From f60055ae4ba007d933d78bab15138f37edd58337 Mon Sep 17 00:00:00 2001 From: Connor Frank Date: Thu, 18 Apr 2024 15:13:09 -0400 Subject: Project Euler --- euler/euler.css | 38 ++ euler/pe_minimal_problems.csv | 887 ++++++++++++++++++++++++++++++++++++ euler/stats.html | 1003 +++++++++++++++++++++++++++++++++++++++++ euler/update_table.py | 72 +++ 4 files changed, 2000 insertions(+) create mode 100644 euler/euler.css create mode 100644 euler/pe_minimal_problems.csv create mode 100644 euler/stats.html create mode 100644 euler/update_table.py (limited to 'euler') diff --git a/euler/euler.css b/euler/euler.css new file mode 100644 index 0000000..cd2a021 --- /dev/null +++ b/euler/euler.css @@ -0,0 +1,38 @@ +.scrollable-table { + overflow-x: auto; + width: 100%; +} + +table.progress { + margin: 1em; +} +table.progress td { + text-align: center; + border: 1px solid #000000; + padding: 0; + width: 2.2em; +} +table.progress td * { + display: block; + border: 2px solid transparent; + width: 2em; +} +table.progress a { + color: inherit; + text-decoration: none; +} +table.progress a:hover { + border: 2px solid #ff6347; +} + +td.open { + background: lightgrey; + color: black; + padding: 0 0.2em; +} +td.completed { + background: green; + color: white; + padding: 0 0.2em; + font-weight: bold; +} diff --git a/euler/pe_minimal_problems.csv b/euler/pe_minimal_problems.csv new file mode 100644 index 0000000..7310995 --- /dev/null +++ b/euler/pe_minimal_problems.csv @@ -0,0 +1,887 @@ +"ID","Description","Published","Solved By","Solve Status" +1,"Multiples of 3 or 5",1002301200,994767,1 +2,"Even Fibonacci Numbers",1003510800,793361,1 +3,"Largest Prime Factor",1004724000,571429,1 +4,"Largest Palindrome Product",1005933600,505594,1 +5,"Smallest Multiple",1007143200,508489,1 +6,"Sum Square Difference",1008352800,511778,1 +7,"10001st Prime",1009562400,438054,1 +8,"Largest Product in a Series",1010772000,367372,1 +9,"Special Pythagorean Triplet",1011981600,372417,1 +10,"Summation of Primes",1013191200,341713,1 +11,"Largest Product in a Grid",1014400800,245684,1 +12,"Highly Divisible Triangular Number",1015610400,232214,1 +13,"Large Sum",1016820000,237513,1 +14,"Longest Collatz Sequence",1018026000,237924,1 +15,"Lattice Paths",1019235600,196653,1 +16,"Power Digit Sum",1020445200,240163,1 +17,"Number Letter Counts",1021654800,159820,1 +18,"Maximum Path Sum I",1022864400,153051,1 +19,"Counting Sundays",1024074000,142124,1 +20,"Factorial Digit Sum",1024678800,207933,1 +21,"Amicable Numbers",1025888400,154318,1 +22,"Names Scores",1027098000,141912,1 +23,"Non-Abundant Sums",1028307600,110631,1 +24,"Lexicographic Permutations",1029517200,121363,1 +25,"$1000$-digit Fibonacci Number",1030726800,163651,1 +26,"Reciprocal Cycles",1031936400,89472,1 +27,"Quadratic Primes",1033146000,92909,1 +28,"Number Spiral Diagonals",1034355600,114027,1 +29,"Distinct Powers",1035565200,111741,1 +30,"Digit Fifth Powers",1036778400,116264,1 +31,"Coin Sums",1037988000,90577,1 +32,"Pandigital Products",1039197600,75981,1 +33,"Digit Cancelling Fractions",1040407200,76299,1 +34,"Digit Factorials",1041616800,99789,1 +35,"Circular Primes",1042826400,89860,1 +36,"Double-base Palindromes",1044036000,94020,1 +37,"Truncatable Primes",1045245600,78224,1 +38,"Pandigital Multiples",1046455200,67182,1 +39,"Integer Right Triangles",1047664800,77780,1 +40,"Champernowne's Constant",1048874400,84911,1 +41,"Pandigital Prime",1050080400,72566,1 +42,"Coded Triangle Numbers",1051290000,78908,1 +43,"Sub-string Divisibility",1052499600,63914,1 +44,"Pentagon Numbers",1053709200,62546,1 +45,"Triangular, Pentagonal, and Hexagonal",1054918800,75260,1 +46,"Goldbach's Other Conjecture",1056128400,65743,1 +47,"Distinct Primes Factors",1057338000,61941,1 +48,"Self Powers",1058547600,118050,1 +49,"Prime Permutations",1059757200,61805,1 +50,"Consecutive Prime Sum",1060966800,66623,1 +51,"Prime Digit Replacements",1062176400,36750,0 +52,"Permuted Multiples",1063386000,69252,1 +53,"Combinatoric Selections",1064595600,62593,1 +54,"Poker Hands",1065805200,38781,0 +55,"Lychrel Numbers",1067014800,57249,1 +56,"Powerful Digit Sum",1068228000,61846,1 +57,"Square Root Convergents",1069437600,44608,1 +58,"Spiral Primes",1070647200,43037,1 +59,"XOR Decryption",1071856800,43998,0 +60,"Prime Pair Sets",1073066400,29060,0 +61,"Cyclical Figurate Numbers",1074276000,27595,0 +62,"Cubic Permutations",1075485600,33984,0 +63,"Powerful Digit Counts",1076695200,46091,0 +64,"Odd Period Square Roots",1077904800,23973,0 +65,"Convergents of $e$",1079114400,32149,0 +66,"Diophantine Equation",1080324000,21380,0 +67,"Maximum Path Sum II",1081530000,100857,0 +68,"Magic 5-gon Ring",1082739600,22474,0 +69,"Totient Maximum",1083949200,37428,0 +70,"Totient Permutation",1085158800,24145,0 +71,"Ordered Fractions",1086368400,31438,0 +72,"Counting Fractions",1087578000,24180,0 +73,"Counting Fractions in a Range",1088787600,26900,0 +74,"Digit Factorial Chains",1089997200,28739,0 +75,"Singular Integer Right Triangles",1091206800,19559,0 +76,"Counting Summations",1092416400,30643,0 +77,"Prime Summations",1093626000,20806,0 +78,"Coin Partitions",1094835600,18412,1 +79,"Passcode Derivation",1095440400,43370,0 +80,"Square Root Digital Expansion",1097254800,21434,0 +81,"Path Sum: Two Ways",1098464400,36640,0 +82,"Path Sum: Three Ways",1099677600,22714,0 +83,"Path Sum: Four Ways",1100887200,19641,0 +84,"Monopoly Odds",1102096800,13751,0 +85,"Counting Rectangles",1103306400,26518,0 +86,"Cuboid Route",1105120800,13810,0 +87,"Prime Power Triples",1106330400,22477,0 +88,"Product-sum Numbers",1107540000,11057,0 +89,"Roman Numerals",1108749600,22636,0 +90,"Cube Digit Pairs",1109959200,12318,0 +91,"Right Triangles with Integer Coordinates",1111168800,16709,0 +92,"Square Digit Chains",1112374800,44145,1 +93,"Arithmetic Expressions",1113584400,12861,0 +94,"Almost Equilateral Triangles",1114794000,13525,0 +95,"Amicable Chains",1116003600,15564,0 +96,"Su Doku",1117213200,18513,0 +97,"Large Non-Mersenne Prime",1118422800,45689,0 +98,"Anagramic Squares",1119027600,12396,0 +99,"Largest Exponential",1120237200,32642,0 +100,"Arranged Probability",1121446800,17673,0 +101,"Optimum Polynomial",1122656400,12524,0 +102,"Triangle Containment",1123866000,23464,0 +103,"Special Subset Sums: Optimum",1125075600,8771,0 +104,"Pandigital Fibonacci Ends",1126285200,17336,0 +105,"Special Subset Sums: Testing",1127494800,8743,0 +106,"Special Subset Sums: Meta-testing",1128704400,6980,1 +107,"Minimal Network",1129914000,11828,0 +108,"Diophantine Reciprocals I",1131127200,13587,0 +109,"Darts",1132336800,8816,0 +110,"Diophantine Reciprocals II",1133546400,8739,0 +111,"Primes with Runs",1134756000,7855,0 +112,"Bouncy Numbers",1135965600,26200,0 +113,"Non-bouncy Numbers",1139594400,11879,0 +114,"Counting Block Combinations I",1140199200,11645,0 +115,"Counting Block Combinations II",1140804000,10636,0 +116,"Red, Green or Blue Tiles",1141408800,12964,0 +117,"Red, Green, and Blue Tiles",1142013600,11937,0 +118,"Pandigital Prime Sets",1143223200,7560,0 +119,"Digit Power Sum",1144429200,13216,0 +120,"Square Remainders",1145638800,14733,0 +121,"Disc Game Prize Fund",1148058000,10427,0 +122,"Efficient Exponentiation",1149267600,8443,0 +123,"Prime Square Remainders",1150477200,12322,0 +124,"Ordered Radicals",1152896400,14580,0 +125,"Palindromic Sums",1154710800,14471,0 +126,"Cuboid Layers",1155920400,5148,0 +127,"abc-hits",1157130000,6755,0 +128,"Hexagonal Tile Differences",1159549200,5417,0 +129,"Repunit Divisibility",1161968400,6772,0 +130,"Composites with Prime Repunit Property",1161968400,6366,0 +131,"Prime Cube Partnership",1163181600,7927,0 +132,"Large Repunit Factors",1164996000,6817,0 +133,"Repunit Nonfactors",1164996000,5955,0 +134,"Prime Pair Connection",1166205600,7537,0 +135,"Same Differences",1167415200,6895,0 +136,"Singleton Difference",1167415200,6139,0 +137,"Fibonacci Golden Nuggets",1168624800,5964,0 +138,"Special Isosceles Triangles",1169290800,6286,0 +139,"Pythagorean Tiles",1169888400,6101,0 +140,"Modified Fibonacci Golden Nuggets",1170486000,4702,0 +141,"Square Progressive Numbers",1171688400,4277,0 +142,"Perfect Square Collection",1172278800,6245,0 +143,"Torricelli Triangles",1172869200,2988,0 +144,"Laser Beam Reflections ",1173459600,6751,0 +145,"Reversible Numbers",1174050000,17679,0 +146,"Investigating a Prime Pattern ",1174726800,5461,0 +147,"Rectangles in Cross-hatched Grids",1175317200,3288,0 +148,"Exploring Pascal's Triangle",1175907600,5540,0 +149,"Maximum-sum Subsequence",1176498000,5210,0 +150,"Sub-triangle Sums",1176498000,4264,0 +151,"A Preference for A5",1177088400,5948,0 +152,"Sums of Square Reciprocals",1177678800,2920,0 +153,"Investigating Gaussian Integers",1178355600,2839,0 +154,"Exploring Pascal's Pyramid",1178946000,2852,0 +155,"Counting Capacitor Circuits",1179536400,3872,0 +156,"Counting Digits",1180126800,2643,0 +157,"Base-10 Diophantine Reciprocal",1180717200,2937,0 +158,"Lexicographical Neighbours",1181912400,3916,0 +159,"Digital Root Sums of Factorisations",1183208400,3531,0 +160,"Factorial Trailing Digits",1189170000,3778,0 +161,"Triominoes",1190394000,2309,0 +162,"Hexadecimal Numbers",1191618000,5719,0 +163,"Cross-hatched Triangles",1192237200,1976,0 +164,"Three Consecutive Digital Sum Limit",1192856400,6126,0 +165,"Intersections",1193475600,2815,0 +166,"Criss Cross",1194094800,4402,0 +167,"Investigating Ulam Sequences",1194613200,1846,0 +168,"Number Rotations",1195232400,2873,0 +169,"Sums of Powers of Two",1195851600,5458,0 +170,"Pandigital Concatenating Products",1196470800,2152,0 +171,"Square Sum of the Digital Squares",1197090000,3006,0 +172,"Few Repeated Digits",1197709200,4074,0 +173,"Hollow Square Laminae I",1198328400,9623,0 +174,"Hollow Square Laminae II",1198328400,6261,0 +175,"Fractions and Sum of Powers of Two",1198846800,1934,0 +176,"Common Cathetus Right-angled Triangles",1199466000,2053,0 +177,"Integer Angled Quadrilaterals",1200085200,1389,0 +178,"Step Numbers",1200704400,3661,0 +179,"Consecutive Positive Divisors",1201323600,11881,0 +180,"Golden Triplets",1201942800,1714,0 +181,"Grouping Two Different Coloured Objects",1202562000,2163,0 +182,"RSA Encryption",1203080400,2791,0 +183,"Maximum Product of Parts",1203699600,4964,0 +184,"Triangles Containing the Origin",1204318800,1784,0 +185,"Number Mind",1204938000,3356,0 +186,"Connectedness of a Network",1205557200,3059,0 +187,"Semiprimes",1206176400,11798,0 +188,"Hyperexponentiation",1207314000,6736,0 +189,"Tri-colouring a Triangular Grid",1207929600,2218,0 +190,"Maximising a Weighted Product",1208552400,4420,0 +191,"Prize Strings",1209168000,7502,0 +192,"Best Approximations",1209787200,1769,0 +193,"Squarefree Numbers",1210420800,3620,0 +194,"Coloured Configurations",1211014800,1522,0 +195,"$60$-degree Triangle Inscribed Circles",1211547600,1515,0 +196,"Prime Triplets",1212166800,2777,0 +197,"A Recursively Defined Sequence",1212786000,5201,0 +198,"Ambiguous Numbers",1213405200,1222,0 +199,"Iterative Circle Packing",1214024400,2101,0 +200,"Prime-proof Squbes",1214643600,2569,0 +201,"Subsets with a Unique Sum",1215262800,2501,0 +202,"Laserbeam",1215262800,2733,0 +203,"Squarefree Binomial Coefficients",1220706000,9636,0 +204,"Generalised Hamming Numbers",1220706000,7760,0 +205,"Dice Game",1220706000,15689,0 +206,"Concealed Square",1220706000,25698,0 +207,"Integer Partition Equations",1220706000,4984,0 +208,"Robot Walks",1221224400,1884,0 +209,"Circular Logic",1221843600,2676,0 +210,"Obtuse Angled Triangles",1222462800,1820,0 +211,"Divisor Square Sum",1223082000,4461,0 +212,"Combined Volume of Cuboids",1223701200,1487,0 +213,"Flea Circus",1224320400,2498,0 +214,"Totient Chains",1224939600,5530,0 +215,"Crack-free Walls",1225458000,3901,0 +216,"The Primality of $2n^2 - 1$",1226077200,4359,0 +217,"Balanced Numbers",1226696400,1620,0 +218,"Perfect Right-angled Triangles",1227315600,3202,0 +219,"Skew-cost Coding",1227934800,1574,0 +220,"Heighway Dragon",1228554000,2304,0 +221,"Alexandrian Integers",1229173200,2239,0 +222,"Sphere Packing",1229691600,2220,0 +223,"Almost Right-angled Triangles I",1230310800,1645,0 +224,"Almost Right-angled Triangles II",1230310800,1332,0 +225,"Tribonacci Non-divisors",1230310800,4723,0 +226,"A Scoop of Blancmange",1230930000,1855,0 +227,"The Chase",1231549200,2255,0 +228,"Minkowski Sums",1232168400,1421,0 +229,"Four Representations Using Squares",1232787600,1569,0 +230,"Fibonacci Words",1233406800,3035,0 +231,"Prime Factorisation of Binomial Coefficients",1233925200,5766,0 +232,"The Race",1234544400,1914,0 +233,"Lattice Points on a Circle",1235163600,2486,0 +234,"Semidivisible Numbers",1235782800,3435,0 +235,"An Arithmetic Geometric Sequence",1236402000,5252,0 +236,"Luxury Hampers",1237021200,1011,0 +237,"Tours on a $4 \times N$ Playing Board",1237640400,1685,0 +238,"Infinite String Tour",1238335200,1036,0 +239,"Twenty-two Foolish Primes",1238774400,1934,0 +240,"Top Dice",1239397200,2324,0 +241,"Perfection Quotients",1240016400,999,0 +242,"Odd Triplets",1240635600,1114,0 +243,"Resilience",1241254800,10077,0 +244,"Sliders",1241874000,1409,0 +245,"Coresilience",1242392400,881,0 +246,"Tangents to an Ellipse",1243008000,867,0 +247,"Squares Under a Hyperbola",1243627200,1571,0 +248,"Euler's Totient Function Equals 13!",1244246400,1392,0 +249,"Prime Subset Sums",1244865600,2698,0 +250,"$250250$",1244865600,3177,0 +251,"Cardano Triplets",1245484800,1490,0 +252,"Convex Holes",1246104000,904,0 +253,"Tidying Up A",1251460800,1107,0 +254,"Sums of Digit Factorials",1252080000,1037,0 +255,"Rounded Square Roots",1252699200,932,0 +256,"Tatami-Free Rooms",1253318400,787,0 +257,"Angular Bisectors",1253937600,745,0 +258,"A Lagged Fibonacci Sequence",1254556800,1712,0 +259,"Reachable Numbers",1255176000,1613,0 +260,"Stone Game",1255694400,1407,0 +261,"Pivotal Square Sums",1256313600,742,0 +262,"Mountain Range",1256936400,771,0 +263,"An Engineers' Dream Come True",1257555600,1119,0 +264,"Triangle Centres",1258174800,611,0 +265,"Binary Circles",1258794000,4442,0 +266,"Pseudo Square Root",1259413200,1810,0 +267,"Billionaire",1259931600,3615,0 +268,"At Least Four Distinct Prime Factors Less Than 100",1260550800,1553,0 +269,"Polynomials with at Least One Integer Root",1261213200,747,0 +270,"Cutting Squares",1261789200,682,0 +271,"Modular Cubes, Part 1",1262408400,2538,0 +272,"Modular Cubes, Part 2",1262408400,1058,0 +273,"Sum of Squares",1263042000,1473,0 +274,"Divisibility Multipliers",1263560400,1510,0 +275,"Balanced Sculptures",1264179600,654,0 +276,"Primitive Triangles",1264798800,1163,0 +277,"A Modified Collatz Sequence",1265418000,3418,0 +278,"Linear Combinations of Semiprimes",1266037200,1108,0 +279,"Triangles with Integral Sides and an Integral Angle ",1266656400,797,0 +280,"Ant and Seeds",1267275600,1120,0 +281,"Pizza Toppings",1267794000,1048,0 +282,"The Ackermann Function",1268413200,1093,0 +283,"Integer Sided Triangles with Integral Area/perimeter Ratio",1269032400,675,0 +284,"Steady Squares",1269651600,1344,0 +285,"Pythagorean Odds",1270267200,1302,0 +286,"Scoring Probabilities",1270267200,2270,0 +287,"Quadtree Encoding (a Simple Compression Algorithm)",1270886400,1544,0 +288,"An Enormous Factorial",1271505600,1769,0 +289,"Eulerian Cycles",1272024000,529,0 +290,"Digital Signature",1272643200,1043,0 +291,"Panaitopol Primes",1273262400,1541,0 +292,"Pythagorean Polygons",1273881600,609,0 +293,"Pseudo-Fortunate Numbers",1274500800,3154,0 +294,"Sum of Digits - Experience #23",1275120000,986,0 +295,"Lenticular Holes",1275739200,490,0 +296,"Angular Bisector and Tangent",1276257600,636,0 +297,"Zeckendorf Representation",1276876800,2934,0 +298,"Selective Amnesia",1277496000,715,0 +299,"Three Similar Triangles",1278115200,664,0 +300,"Protein Folding",1283601600,1185,0 +301,"Nim",1284217200,6887,0 +302,"Strong Achilles Numbers",1284832800,797,0 +303,"Multiples with Small Digits",1285448400,3841,0 +304,"Primonacci",1286064000,2335,0 +305,"Reflexive Position",1286679600,647,0 +306,"Paper-strip Game",1287295200,1298,0 +307,"Chip Defects",1287910800,1759,0 +308,"An Amazing Prime-generating Automaton",1288440000,821,0 +309,"Integer Ladders",1289059200,878,0 +310,"Nim Square",1289674800,1239,0 +311,"Biclinic Integral Quadrilaterals",1290290400,459,0 +312,"Cyclic Paths on Sierpiński Graphs",1290906000,898,0 +313,"Sliding Game",1291521600,1712,0 +314,"The Mouse on the Moon",1292137200,553,0 +315,"Digital Root Clocks",1292752800,3590,0 +316,"Numbers in Decimal Expansions",1293282000,709,0 +317,"Firecracker",1293897600,2843,0 +318,"2011 Nines",1293897600,994,0 +319,"Bounded Sequences",1294513200,429,0 +320,"Factorials Divisible by a Huge Integer",1295128800,931,0 +321,"Swapping Counters",1295744400,1836,0 +322,"Binomial Coefficients Divisible by 10",1296360000,493,0 +323,"Bitwise-OR Operations on Random Integers",1296975600,4125,0 +324,"Building a Tower",1297591200,749,0 +325,"Stone Game II",1298120400,652,0 +326,"Modulo Summations",1298736000,566,0 +327,"Rooms of Doom",1299351600,1198,0 +328,"Lowest-cost Search",1299967200,473,0 +329,"Prime Frog",1300582800,2665,0 +330,"Euler's Number",1301198400,569,0 +331,"Cross Flips",1301814000,447,0 +332,"Spherical Triangles",1302426000,654,0 +333,"Special Partitions",1302955200,1325,0 +334,"Spilling the Beans",1303570800,508,0 +335,"Gathering the Beans",1303570800,547,0 +336,"Maximix Arrangements",1304186400,2199,0 +337,"Totient Stairstep Sequences",1304802000,560,0 +338,"Cutting Rectangular Grid Paper",1305417600,351,0 +339,"Peredur Fab Efrawg",1306033200,600,0 +340,"Crazy Function",1306648800,1182,0 +341,"Golomb's Self-describing Sequence",1307264400,990,0 +342,"The Totient of a Square Is a Cube",1307793600,855,0 +343,"Fractional Sequences",1308409200,1490,0 +344,"Silver Dollar Game",1309024800,348,0 +345,"Matrix Sum",1315062000,6043,0 +346,"Strong Repunits",1315062000,4615,0 +347,"Largest Integer Divisible by Two Primes",1315062000,4868,0 +348,"Sum of a Square and a Cube",1315062000,3238,0 +349,"Langton's Ant",1315062000,2041,0 +350,"Constraining the Least Greatest and the Greatest Least",1315677600,502,0 +351,"Hexagonal Orchards",1316293200,2722,0 +352,"Blood Tests",1317513600,647,0 +353,"Risky Moon",1318129200,521,0 +354,"Distances in a Bee's Honeycomb ",1318744800,475,0 +355,"Maximal Coprime Subset",1319360400,566,0 +356,"Largest Roots of Cubic Polynomials",1319889600,635,0 +357,"Prime Generating Integers",1320508800,8647,0 +358,"Cyclic Numbers",1321124400,1713,0 +359,"Hilbert's New Hotel",1321740000,1617,0 +360,"Scary Sphere",1322355600,620,0 +361,"Subsequence of Thue-Morse Sequence",1322971200,328,0 +362,"Squarefree Factors",1323586800,504,0 +363,"Bézier Curves",1324202400,1189,0 +364,"Comfortable Distance",1324731600,749,0 +365,"A Huge Binomial Coefficient",1325347200,1358,0 +366,"Stone Game III",1325962800,729,0 +367,"Bozo Sort",1326578400,549,0 +368,"A Kempner-like Series",1327194000,579,0 +369,"Badugi",1327809600,492,0 +370,"Geometric Triangles",1328425200,564,0 +371,"Licence Plates",1329040800,1737,0 +372,"Pencils of Rays",1329570000,428,0 +373,"Circumscribed Circles",1330185600,365,0 +374,"Maximum Integer Partition Product",1330801200,724,0 +375,"Minimum of Subsequences",1331416800,945,0 +376,"Nontransitive Sets of Dice",1332032400,300,0 +377,"Sum of Digits - Experience #13",1332648000,772,0 +378,"Triangle Triples",1333260000,932,0 +379,"Least Common Multiple Count",1333879200,554,0 +380,"Amazing Mazes!",1334408400,542,0 +381,"$(\text{prime}-k)$ Factorial",1335024000,4538,0 +382,"Generating Polygons",1335639600,357,0 +383,"Divisibility Comparison Between Factorials",1336255200,504,0 +384,"Rudin-Shapiro Sequence",1336870800,352,0 +385,"Ellipses Inside Triangles",1337486400,302,0 +386,"Maximum Length of an Antichain",1338102000,792,0 +387,"Harshad Numbers",1338717600,4950,0 +388,"Distinct Lines",1339246800,625,0 +389,"Platonic Dice",1339862400,1635,0 +390,"Triangles with Non Rational Sides and Integral Area",1340478000,597,0 +391,"Hopping Game",1341093600,285,0 +392,"Enmeshed Unit Circle",1346504400,832,0 +393,"Migrating Ants",1347120000,814,0 +394,"Eating Pie",1347735600,568,0 +395,"Pythagorean Tree",1348351200,733,0 +396,"Weak Goodstein Sequence",1348966800,701,0 +397,"Triangle on Parabola",1349582400,287,0 +398,"Cutting Rope",1350198000,404,0 +399,"Squarefree Fibonacci Numbers",1350813600,608,0 +400,"Fibonacci Tree Game",1351342800,499,0 +401,"Sum of Squares of Divisors",1352563200,2758,0 +402,"Integer-valued Polynomials",1353178800,437,0 +403,"Lattice Points Enclosed by Parabola and Line",1353794400,379,0 +404,"Crisscross Ellipses",1354410000,341,0 +405,"A Rectangular Tiling",1355025600,652,0 +406,"Guessing Game",1355641200,395,0 +407,"Idempotents",1356256800,2618,0 +408,"Admissible Paths Through a Grid",1356786000,607,0 +409,"Nim Extreme",1357401600,475,0 +410,"Circle and Tangent Line",1358017200,291,0 +411,"Uphill Paths",1358632800,704,0 +412,"Gnomon Numbering",1359248400,525,0 +413,"One-child Numbers",1359864000,414,0 +414,"Kaprekar Constant",1360479600,305,0 +415,"Titanic Sets",1361095200,337,0 +416,"A Frog's Trip",1361624400,308,0 +417,"Reciprocal Cycles II",1362240000,942,0 +418,"Factorisation Triples",1362855600,732,0 +419,"Look and Say Sequence",1363471200,518,0 +420,"$2 \times 2$ Positive Integer Matrix",1364086800,467,0 +421,"Prime Factors of $n^{15}+1$",1364698800,704,0 +422,"Sequence of Points on a Hyperbola",1365314400,299,0 +423,"Consecutive Die Throws",1365930000,519,0 +424,"Kakuro",1366459200,436,0 +425,"Prime Connection",1367074800,1561,0 +426,"Box-Ball System",1367690400,267,0 +427,"$n$-sequences",1368306000,338,0 +428,"Necklace of Circles",1368921600,265,0 +429,"Sum of Squares of Unitary Divisors",1369537200,2689,0 +430,"Range Flips",1370152800,908,0 +431,"Square Space Silo",1370768400,651,0 +432,"Totient Sum",1371297600,525,0 +433,"Steps in Euclid's Algorithm",1371913200,491,0 +434,"Rigid Graphs",1372528800,352,0 +435,"Polynomials of Fibonacci Numbers",1378566000,1191,0 +436,"Unfair Wager",1379181600,483,0 +437,"Fibonacci Primitive Roots",1379797200,848,0 +438,"Integer Part of Polynomial Equation's Solutions",1380412800,292,0 +439,"Sum of Sum of Divisors",1381028400,414,0 +440,"GCD and Tiling",1381644000,407,0 +441,"The Inverse Summation of Coprime Couples",1382259600,380,0 +442,"Eleven-free Integers",1382788800,415,0 +443,"GCD Sequence",1383408000,1211,0 +444,"The Roundtable Lottery",1384023600,325,0 +445,"Retractions A",1384639200,412,0 +446,"Retractions B",1384639200,390,0 +447,"Retractions C",1384639200,326,0 +448,"Average Least Common Multiple",1385254800,369,0 +449,"Chocolate Covered Candy",1386475200,959,0 +450,"Hypocycloid and Lattice Points",1387090800,203,0 +451,"Modular Inverses",1387706400,1539,0 +452,"Long Products",1388235600,616,0 +453,"Lattice Quadrilaterals",1388851200,230,0 +454,"Diophantine Reciprocals III",1389466800,508,0 +455,"Powers with Trailing Digits",1390082400,770,0 +456,"Triangles Containing the Origin II",1390698000,424,0 +457,"A Polynomial Modulo the Square of a Prime",1391313600,849,0 +458,"Permutations of Project",1391929200,980,0 +459,"Flipping Game",1392544800,251,0 +460,"An Ant on the Move",1393074000,340,0 +461,"Almost Pi",1393689600,1285,0 +462,"Permutation of 3-smooth Numbers",1394305200,339,0 +463,"A Weird Recurrence Relation",1394920800,1166,0 +464,"Möbius Function and Intervals",1395536400,346,0 +465,"Polar Polygons",1396152000,233,0 +466,"Distinct Terms in a Multiplication Table",1396764000,345,0 +467,"Superinteger",1397379600,469,0 +468,"Smooth Divisors of Binomial Coefficients",1397908800,294,0 +469,"Empty Chairs",1398524400,792,0 +470,"Super Ramvok",1399140000,247,0 +471,"Triangle Inscribed in Ellipse",1399755600,231,0 +472,"Comfortable Distance II",1400371200,274,0 +473,"Phigital Number Base",1400986800,771,0 +474,"Last Digits of Divisors",1401602400,441,0 +475,"Music Festival",1402218000,470,0 +476,"Circle Packing II",1402747200,437,0 +477,"Number Sequence Game",1408806000,277,0 +478,"Mixtures",1409421600,203,0 +479,"Roots on the Rise",1410037200,1375,0 +480,"The Last Question",1410652800,613,0 +481,"Chef Showdown",1411268400,260,0 +482,"The Incenter of a Triangle",1411884000,231,0 +483,"Repeated Permutation",1412499600,270,0 +484,"Arithmetic Derivative",1413028800,398,0 +485,"Maximum Number of Divisors",1413644400,1232,0 +486,"Palindrome-containing Strings",1414260000,278,0 +487,"Sums of Power Sums",1414879200,689,0 +488,"Unbalanced Nim",1415494800,248,0 +489,"Common Factors Between Two Sequences",1416110400,267,0 +490,"Jumping Frog",1416726000,321,0 +491,"Double Pandigital Number Divisible by $11$",1417341600,2277,0 +492,"Exploding Sequence",1417870800,379,0 +493,"Under the Rainbow",1418486400,5645,0 +494,"Collatz Prefix Families",1419102000,229,0 +495,"Writing $n$ as the Product of $k$ Distinct Positive Integers",1419717600,323,0 +496,"Incenter and Circumcenter of Triangle",1420333200,329,0 +497,"Drunken Tower of Hanoi",1420948800,582,0 +498,"Remainder of Polynomial Division",1421564400,549,0 +499,"St. Petersburg Lottery",1422180000,357,0 +500,"Problem 500!!!",1422709200,4285,0 +501,"Eight Divisors",1422709200,1463,0 +502,"Counting Castles",1423324800,311,0 +503,"Compromise or Persist",1423940400,337,0 +504,"Square on the Inside",1424556000,3250,0 +505,"Bidirectional Recurrence",1425171600,221,0 +506,"Clock Sequence",1425787200,921,0 +507,"Shortest Lattice Vector",1426402800,228,0 +508,"Integers in Base $i-1$",1427018400,248,0 +509,"Divisor Nim",1427547600,620,0 +510,"Tangent Circles",1428159600,1068,0 +511,"Sequences with Nice Divisibility Properties",1428775200,438,0 +512,"Sums of Totients of Powers",1429390800,1590,0 +513,"Integral Median",1430006400,327,0 +514,"Geoboard Shapes",1430622000,228,0 +515,"Dissonant Numbers",1431237600,490,0 +516,"$5$-smooth Totients",1431853200,1651,0 +517,"A Real Recursion",1432382400,482,0 +518,"Prime Triples and Geometric Sequences",1432998000,1700,0 +519,"Tricoloured Coin Fountains",1433613600,361,0 +520,"Simbers",1434229200,437,0 +521,"Smallest Prime Factor",1434844800,796,0 +522,"Hilbert's Blackout",1435460400,287,0 +523,"First Sort I",1441519200,1053,0 +524,"First Sort II",1441519200,240,0 +525,"Rolling Ellipse",1442134800,524,0 +526,"Largest Prime Factors of Consecutive Numbers",1442664000,329,0 +527,"Randomized Binary Search",1443279600,778,0 +528,"Constrained Sums",1443895200,295,0 +529,"$10$-substrings",1444510800,265,0 +530,"GCD of Divisors",1445126400,482,0 +531,"Chinese Leftovers",1445745600,1212,0 +532,"Nanobots on Geodesics",1446361200,322,0 +533,"Minimum Values of the Carmichael Function",1446976800,348,0 +534,"Weak Queens",1447506000,327,0 +535,"Fractal Sequence",1448121600,304,0 +536,"Modulo Power Identity ",1448737200,310,0 +537,"Counting Tuples",1449352800,668,0 +538,"Maximum Quadrilaterals",1449968400,342,0 +539,"Odd Elimination",1450584000,874,0 +540,"Counting Primitive Pythagorean Triples",1451199600,698,0 +541,"Divisibility of Harmonic Number Denominators",1451815200,222,0 +542,"Geometric Progression with Maximum Sum",1452344400,242,0 +543,"Prime-Sum Numbers",1452960000,733,0 +544,"Chromatic Conundrum",1453575600,271,0 +545,"Faulhaber's Formulas",1454191200,560,0 +546,"The Floor's Revenge",1454806800,247,0 +547,"Distance of Random Points Within Hollow Square Laminae",1455422400,243,0 +548,"Gozinta Chains",1456038000,657,0 +549,"Divisibility of Factorials",1456653600,2887,0 +550,"Divisor Game",1457182800,377,0 +551,"Sum of Digits Sequence",1457798400,495,0 +552,"Chinese Leftovers II",1458414000,465,0 +553,"Power Sets of Power Sets",1459029600,223,0 +554,"Centaurs on a Chess Board",1459641600,254,0 +555,"McCarthy 91 Function",1460257200,738,0 +556,"Squarefree Gaussian Integers",1460872800,265,0 +557,"Cutting Triangles",1461488400,303,0 +558,"Irrational Base",1462017600,267,0 +559,"Permuted Matrices",1462633200,202,0 +560,"Coprime Nim",1463248800,342,0 +561,"Divisor Pairs",1463864400,813,0 +562,"Maximal Perimeter",1464480000,201,0 +563,"Robot Welders",1465095600,350,0 +564,"Maximal Polygons",1465711200,253,0 +565,"Divisibility of Sum of Divisors",1466326800,658,0 +566,"Cake Icing Puzzle",1466856000,192,0 +567,"Reciprocal Games I",1472914800,314,0 +568,"Reciprocal Games II",1472914800,307,0 +569,"Prime Mountain Range",1473530400,417,0 +570,"Snowflakes",1474146000,287,0 +571,"Super Pandigital Numbers",1474761600,1162,0 +572,"Idempotent Matrices",1475377200,358,0 +573,"Unfair Race",1475992800,219,0 +574,"Verifying Primes",1476608400,280,0 +575,"Wandering Robots",1477137600,620,0 +576,"Irrational Jumps",1477753200,247,0 +577,"Counting Hexagons",1478977200,1661,0 +578,"Integers with Decreasing Prime Powers",1479592800,252,0 +579,"Lattice Points in Lattice Cubes",1480208400,177,0 +580,"Squarefree Hilbert Numbers",1480824000,269,0 +581,"$47$-smooth Triangular Numbers",1481439600,915,0 +582,"Nearly Isosceles $120$ Degree Triangles",1482055200,343,0 +583,"Heron Envelopes",1482584400,388,0 +584,"Birthday Problem Revisited",1483200000,224,0 +585,"Nested Square Roots",1483815600,191,0 +586,"Binary Quadratic Form",1484431200,245,0 +587,"Concave Triangle",1485046800,3310,0 +588,"Quintinomial Coefficients",1485662400,463,0 +589,"Poohsticks Marathon",1486278000,215,0 +590,"Sets with a Given Least Common Multiple",1486893600,276,0 +591,"Best Approximations by Quadratic Integers",1487422800,204,0 +592,"Factorial Trailing Digits 2",1488038400,303,0 +593,"Fleeting Medians",1488654000,567,0 +594,"Rhombus Tilings",1489269600,201,0 +595,"Incremental Random Sort",1489885200,659,0 +596,"Number of Lattice Points in a Hyperball",1490497200,381,0 +597,"Torpids",1491112800,183,0 +598,"Split Divisibilities",1491728400,512,0 +599,"Distinct Colourings of a Rubik's Cube",1492257600,325,0 +600,"Integer Sided Equiangular Hexagons",1492873200,645,0 +601,"Divisibility Streaks",1493488800,2162,0 +602,"Product of Head Counts",1494104400,526,0 +603,"Substring Sums of Prime Concatenations",1494720000,455,0 +604,"Convex Path in Square",1495335600,533,0 +605,"Pairwise Coin-Tossing Game",1495951200,889,0 +606,"Gozinta Chains II",1496566800,399,0 +607,"Marsh Crossing",1497096000,1788,0 +608,"Divisor Sums",1497711600,320,0 +609,"$\pi$ Sequences",1504969200,983,0 +610,"Roman Numerals II",1506189600,606,0 +611,"Hallway of Square Steps",1507410000,351,0 +612,"Friend Numbers",1508630400,715,0 +613,"Pythagorean Ant",1509854400,1892,0 +614,"Special Partitions 2",1511074800,321,0 +615,"The Millionth Number with at Least One Million Prime Factors",1512295200,615,0 +616,"Creative Numbers",1513429200,504,0 +617,"Mirror Power Sequence",1514649600,395,0 +618,"Numbers with a Given Prime Factor Sum",1515870000,1099,0 +619,"Square Subsets",1517090400,422,0 +620,"Planetary Gears",1518310800,179,0 +621,"Expressing an Integer as the Sum of Triangular Numbers",1519531200,583,0 +622,"Riffle Shuffles",1520751600,1829,0 +623,"Lambda Count",1521968400,331,0 +624,"Two Heads Are Better Than One",1523102400,666,0 +625,"Gcd Sum",1524322800,658,0 +626,"Counting Binary Matrices",1525543200,235,0 +627,"Counting Products",1526763600,253,0 +628,"Open Chess Positions",1527984000,835,0 +629,"Scatterstone Nim",1529204400,255,0 +630,"Crossed Lines",1530424800,1065,0 +631,"Constrained Permutations",1531645200,200,0 +632,"Square Prime Factors",1532779200,506,0 +633,"Square Prime Factors II",1532779200,335,0 +634,"Numbers of the Form $a^2b^3$",1533999600,650,0 +635,"Subset Sums",1535220000,364,0 +636,"Restricted Factorisations",1536440400,202,0 +637,"Flexible Digit Sum",1537660800,340,0 +638,"Weighted Lattice Paths",1538881200,398,0 +639,"Summing a Multiplicative Function",1540101600,279,0 +640,"Shut the Box",1540720800,380,0 +641,"A Long Row of Dice",1541250000,522,0 +642,"Sum of Largest Prime Factors",1541865600,377,0 +643,"$2$-Friendly",1542481200,642,0 +644,"Squares on the Line",1543096800,171,0 +645,"Every Day Is a Holiday",1543712400,221,0 +646,"Bounded Divisors",1544328000,297,0 +647,"Linear Transformations of Polygonal Numbers",1544943600,458,0 +648,"Skipping Squares",1545559200,300,0 +649,"Low-Prime Chessboard Nim",1546088400,433,0 +650,"Divisors of Binomial Product",1546704000,1738,0 +651,"Patterned Cylinders",1547319600,183,0 +652,"Distinct Values of a Proto-logarithmic Function",1547935200,181,0 +653,"Frictionless Tube",1548550800,333,0 +654,"Neighbourly Constraints",1549166400,365,0 +655,"Divisible Palindromes",1549782000,559,0 +656,"Palindromic Sequences",1550397600,257,0 +657,"Incomplete Words",1550926800,578,0 +658,"Incomplete Words II",1550926800,255,0 +659,"Largest Prime",1551542400,997,0 +660,"Pandigital Triangles",1552158000,320,0 +661,"A Long Chess Match",1552773600,238,0 +662,"Fibonacci Paths",1553389200,841,0 +663,"Sums of Subarrays",1554001200,375,0 +664,"An Infinite Game",1554616800,200,0 +665,"Proportionate Nim",1555232400,263,0 +666,"Polymorphic Bacteria",1555761600,302,0 +667,"Moving Pentagon",1556377200,205,0 +668,"Square Root Smooth Numbers",1556992800,1105,0 +669,"The King's Banquet",1557608400,330,0 +670,"Colouring a Strip",1558224000,355,0 +671,"Colouring a Loop",1558224000,183,0 +672,"One More One",1558839600,280,0 +673,"Beds and Desks",1559455200,330,0 +674,"Solving $\mathcal{I}$-equations",1560070800,182,0 +675,"$2^{\omega(n)}$",1560600000,783,0 +676,"Matching Digit Sums",1561215600,242,0 +677,"Coloured Graphs",1561831200,187,0 +678,"Fermat-like Equations",1567890000,251,0 +679,"Freefarea",1568505600,912,0 +680,"Yarra Gnisrever",1569121200,197,0 +681,"Maximal Area",1569736800,241,0 +682,"$5$-Smooth Pairs",1570352400,280,0 +683,"The Chase II",1570881600,337,0 +684,"Inverse Digit Sum",1571497200,2811,0 +685,"Inverse Digit Sum II",1571497200,212,0 +686,"Powers of Two",1572112800,3594,0 +687,"Shuffling Cards",1572732000,323,0 +688,"Piles of Plates",1573347600,790,0 +689,"Binary Series",1573963200,238,0 +690,"Tom and Jerry",1574578800,219,0 +691,"Long Substring with Many Repetitions",1575194400,282,0 +692,"Siegbert and Jo",1575723600,1376,0 +693,"Finite Sequence Generator",1576339200,299,0 +694,"Cube-full Divisors",1576954800,1042,0 +695,"Random Rectangles",1577570400,219,0 +696,"Mahjong",1578186000,183,0 +697,"Randomly Decaying Sequence",1578801600,597,0 +698,"123 Numbers",1579417200,457,0 +699,"Triffle Numbers",1580032800,197,0 +700,"Eulercoin",1580562000,3494,0 +701,"Random Connected Area",1581177600,364,0 +702,"Jumping Flea",1581793200,169,0 +703,"Circular Logic II",1582408800,327,0 +704,"Factors of Two in Binomial Coefficients",1583024400,961,0 +705,"Total Inversion Count of Divided Sequences",1583640000,449,0 +706,"$3$-Like Numbers",1584255600,581,0 +707,"Lights Out",1584871200,241,0 +708,"Twos Are All You Need",1585400400,326,0 +709,"Even Stevens",1586016000,888,0 +710,"One Million Members",1586631600,1283,0 +711,"Binary Blackboard",1586631600,337,0 +712,"Exponent Difference",1587247200,510,0 +713,"Turán's Water Heating System",1587862800,725,0 +714,"Duodigits",1588478400,736,0 +715,"Sextuplet Norms",1589094000,203,0 +716,"Grid Graphs",1589709600,237,0 +717,"Summation of a Modular Formula",1590238800,508,0 +718,"Unreachable Numbers",1590854400,343,0 +719,"Number Splitting",1591470000,3866,0 +720,"Unpredictable Permutations",1592085600,311,0 +721,"High Powers of Irrational Numbers",1592701200,430,0 +722,"Slowly Converging Series",1593316800,528,0 +723,"Pythagorean Quadrilaterals",1593932400,189,0 +724,"Drone Delivery",1599310800,403,0 +725,"Digit Sum Numbers",1599926400,1095,0 +726,"Falling Bottles",1600542000,204,0 +727,"Triangle of Circular Arcs",1601157600,521,0 +728,"Circle of Coins",1601773200,288,0 +729,"Range of Periodic Sequence",1602388800,175,0 +730,"Shifted Pythagorean Triples",1603004400,187,0 +731,"A Stoneham Number",1603620000,568,0 +732,"Standing on the Shoulders of Trolls",1604149200,217,0 +733,"Ascending Subsequences",1604764800,472,0 +734,"A Bit of Prime",1605380400,333,0 +735,"Divisors of $2n^2$",1605996000,222,0 +736,"Paths to Equality",1606611600,234,0 +737,"Coin Loops",1607227200,367,0 +738,"Counting Ordered Factorisations",1607842800,283,0 +739,"Summation of Summations",1608458400,514,0 +740,"Secret Santa",1608987600,209,0 +741,"Binary Grid Colouring",1609603200,159,0 +742,"Minimum Area of a Convex Grid Polygon",1610218800,165,0 +743,"Window into a Matrix",1610834400,1172,0 +744,"What? Where? When?",1611450000,308,0 +745,"Sum of Squares II",1612065600,1178,0 +746,"A Messy Dinner",1612681200,283,0 +747,"Triangular Pizza",1613296800,202,0 +748,"Upside Down Diophantine Equation",1613826000,309,0 +749,"Near Power Sums",1614441600,708,0 +750,"Optimal Card Stacking",1615057200,324,0 +751,"Concatenation Coincidence",1615672800,2282,0 +752,"Powers of $1+\sqrt 7$",1616288400,651,0 +753,"Fermat Equation",1616904000,398,0 +754,"Product of Gauss Factorials",1617519600,707,0 +755,"Not Zeckendorf",1618740000,862,0 +756,"Approximating a Sum",1619874000,333,0 +757,"Stealthy Numbers",1621094400,1193,0 +758,"Buckets of Water",1622314800,225,0 +759,"A Squared Recurrence Relation",1623535200,543,0 +760,"Sum over Bitwise Operators",1624755600,423,0 +761,"Runner and Swimmer",1625976000,157,0 +762,"Amoebas in a 2D Grid",1630760400,208,0 +763,"Amoebas in a 3D Grid",1630760400,127,0 +764,"Asymmetric Diophantine Equation",1631376000,362,0 +765,"Trillionaire",1631991600,220,0 +766,"Sliding Block Puzzle",1633212000,323,0 +767,"Window into a Matrix II",1633827600,174,0 +768,"Chandelier",1634443200,172,0 +769,"Binary Quadratic Form II",1635055200,142,0 +770,"Delphi Flip",1635674400,502,0 +771,"Pseudo Geometric Sequences",1636203600,132,0 +772,"Balanceable $k$-bounded Partitions",1636819200,494,0 +773,"Ruff Numbers",1637434800,201,0 +774,"Conjunctive Sequences",1638050400,137,0 +775,"Saving Paper",1638666000,244,0 +776,"Digit Sum Division",1639281600,539,0 +777,"Lissajous Curves",1639897200,125,0 +778,"Freshman's Product",1640512800,400,0 +779,"Prime Factor and Exponent",1641042000,476,0 +780,"Toriangulations",1641657600,113,0 +781,"Feynman Diagrams",1642273200,124,0 +782,"Distinct Rows and Columns",1642888800,153,0 +783,"Urns",1643504400,200,0 +784,"Reciprocal Pairs",1644120000,391,0 +785,"Symmetric Diophantine Equation",1644735600,195,0 +786,"Billiard",1645351200,120,0 +787,"Bézout's Game",1645880400,199,0 +788,"Dominating Numbers",1646496000,1123,0 +789,"Minimal Pairing Modulo $p$",1647111600,191,0 +790,"Clock Grid",1647727200,259,0 +791,"Average and Variance",1648342800,161,0 +792,"Too Many Twos",1648958400,138,0 +793,"Median of Products",1649574000,642,0 +794,"Seventeen Points",1650189600,314,0 +795,"Alternating GCD Sum",1650718800,349,0 +796,"A Grand Shuffle",1651334400,200,0 +797,"Cyclogenic Polynomials",1651950000,192,0 +798,"Card Stacking Game",1652565600,122,0 +799,"Pentagonal Puzzle",1653181200,231,0 +800,"Hybrid Integers",1653796800,1806,0 +801,"$x^y \equiv y^x$",1654412400,269,0 +802,"Iterated Composition",1655028000,254,0 +803,"Pseudorandom Sequence",1655557200,222,0 +804,"Counting Binary Quadratic Representations",1656172800,639,0 +805,"Shifted Multiples",1656788400,190,0 +806,"Nim on Towers of Hanoi",1657404000,124,0 +807,"Loops of Ropes",1662858000,130,0 +808,"Reversible Prime Squares",1663473600,2375,0 +809,"Rational Recurrence Relation ",1664089200,297,0 +810,"XOR-Primes",1664704800,689,0 +811,"Bitwise Recursion",1665234000,223,0 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Triangles",1679749200,353,0 +836,"A Bold Proposition",1680364800,2940,0 +837,"Amidakuji",1680364800,202,0 +838,"Not Coprime",1680980400,553,0 +839,"Beans in Bowls",1681596000,341,0 +840,"Sum of Products",1682211600,354,0 +841,"Regular Star Polygons",1682827200,183,0 +842,"Irregular Star Polygons",1683442800,124,0 +843,"Periodic Circles",1684058400,123,0 +844,"$k$-Markov Numbers",1684587600,203,0 +845,"Prime Digit Sum",1685203200,655,0 +846,"Magic Bracelets",1685818800,200,0 +847,"Jack's Bean",1686434400,113,0 +848,"Guessing with Sets",1687050000,189,0 +849,"The Tournament",1687665600,244,0 +850,"Fractions of Powers",1688281200,118,0 +851,"SOP and POS",1688896800,134,0 +852,"Coins in a Box",1693659600,210,0 +853,"Pisano Periods 1",1694275200,978,0 +854,"Pisano Periods 2",1694275200,310,0 +855,"Delphi Paper",1694890800,140,0 +856,"Waiting for a Pair",1695506400,497,0 +857,"Beautiful Graphs",1696122000,147,0 +858,"LCM",1696737600,199,0 +859,"Cookie Game",1697353200,197,0 +860,"Gold and 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+884,"Removing Cubes",1711868400,334,0 +885,"Sorted Digits",1712484000,314,0 +886,"Coprime Permutations",1713013200,126,0 diff --git a/euler/stats.html b/euler/stats.html new file mode 100644 index 0000000..0c68fc7 --- /dev/null +++ b/euler/stats.html @@ -0,0 +1,1003 @@ + + + + + Project Euler Stats + + + + + + +
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Project Euler Stats

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+ + diff --git a/euler/update_table.py b/euler/update_table.py new file mode 100644 index 0000000..8fe74b2 --- /dev/null +++ b/euler/update_table.py @@ -0,0 +1,72 @@ +import csv +from bs4 import BeautifulSoup + + +def read_csv(file_path): + with open(file_path, mode="r", newline="") as file: + reader = csv.DictReader(file) + problems = list(reader) + return problems + + +def create_table_content(problems): + content = [] + current_table = [] + row = [] + count = 0 + for problem in problems: + if len(row) == 25: + current_table.append(row.copy()) + row = [] + if count == 100: # Start a new table after every 100 problems + content.append(current_table.copy()) + current_table = [] + count = 0 + status_class = "completed" if problem["Solve Status"] == "1" else "open" + desc = problem["Description"] + id = problem["ID"] + row.append( + f'{id}' + ) + count += 1 + if row: + current_table.append(row) + if current_table: + content.append(current_table) + return content + + +def update_html(file_path, tables_content): + with open(file_path, "r", encoding="utf-8") as file: + soup = BeautifulSoup(file, "html.parser") + + # Remove old progress tables + container = soup.find("div", class_="container") + if container: + for table in container.find_all("table", class_="progress"): + table.decompose() + else: + container = soup.new_tag("div", **{"class": "container"}) + soup.body.append(container) # Append container to body if it does not exist + + # Append new tables to the container + for table_content in tables_content: + new_table = soup.new_tag("table", **{"class": "progress"}) + for row in table_content: + tr = soup.new_tag("tr") + for td in row: + tr.append( + BeautifulSoup(td + "\n", "html.parser") + ) # Adding newline for better formatting + new_table.append(tr) + container.append(new_table) + + # Write the updated HTML back to the file + with open(file_path, "w", encoding="utf-8") as file: + file.write(str(soup)) + + +# Usage +problems = read_csv("pe_minimal_problems.csv") +tables_content = create_table_content(problems) +update_html("stats.html", tables_content) -- cgit v1.2.3