Use the following code to add me as a friend to see which problems I've solved and other statistics.
682380_4185c66cd385844e33e147fc95c8e372
Git repository of common functions for solving Project Euler problems.
Problems where I was among the first hundred solvers.
| No. | Problem Name | Place | Elapsed Time | Difficulty |
|---|---|---|---|---|
| 619 | Square Subsets | 11th | 1 hour, 2 minutes, 4 seconds | 45% |
| 624 | Two Heads Are Better Than One | 23rd | 1 hour, 41 minutes, 18 seconds | 30% |
| 650 | Divisors of Binomial Product | 69th | 2 hours, 2 minutes, 20 seconds | 10% |
| 712 | Exponent Difference | 23rd | 50 minutes, 15 seconds | 25% |
| 716 | Grid Graphs | 47th | 9 hours, 59 minutes, 3 seconds | 45% |
| 717 | Summation of a Modular Formula | 16th | 1 hour, 23 seconds | 25% |
| 719 | Number Splitting | 57th | 27 minutes, 25 seconds | 5% |
| 720 | Unpredictable Permutations | 70th | 17 hours, 8 minutes, 48 seconds | 35% |
| 724 | Drone Delivery | 35th | 2 hours, 16 minutes, 38 seconds | 30% |
| 725 | Digit Sum Numbers | 24th | 33 minutes, 51 seconds | 10% |
| 726 | Falling Bottles | 66th | 1 day, 59 minutes, 19 seconds | 50% |
| 727 | Triangle of Circular Arcs | 11th | 44 minutes, 16 seconds | 25% |
| 728 | Circle of Coins | 40th | 11 hours, 29 minutes, 59 seconds | 40% |
| 729 | Range of Periodic Sequence | 18th | 12 hours, 40 minutes, 45 seconds | 65% |
| 730 | Shifted Pythagorean Triples | 36th | 23 hours, 23 minutes, 52 seconds | 65% |
| 731 | A Stoneham Number | 34th | 1 hour, 4 minutes, 14 seconds | 20% |
| 732 | Standing on the Shoulders of Trolls | 38th | 5 hours, 12 minutes, 37 seconds | 40% |
| 733 | Ascending Subsequences | 30th | 1 hour, 4 minutes, 16 seconds | 25% |
| 734 | A Bit of Prime | 72nd | 19 hours, 41 minutes, 46 seconds | 35% |
| 735 | Divisors of | 26th | 10 hours, 48 minutes, 29 seconds | 65% |
| 736 | Paths to Equality | 37th | 9 hours, 20 minutes, 22 seconds | 50% |
| 737 | Coin Loops | 44th | 6 hours, 32 minutes, 44 seconds | 30% |
| 738 | Counting Ordered Factorisations | 35th | 2 hours, 53 minutes, 49 seconds | 35% |
| 739 | Summation of Summations | 16th | 53 minutes, 28 seconds | 25% |
| 740 | Secret Santa | 64th | 2 days, 4 hours, 37 minutes, 7 seconds | 55% |
| 741 | Binary Grid Colouring | 21st | 20 hours, 1 minute, 7 seconds | 80% |
| 742 | Minimum Area of a Convex Grid Polygon | 63rd | 1 week, 1 day, 14 hours, 11 minutes, 44 seconds | 75% |
| 743 | Window into a Matrix | 39th | 1 hour, 16 seconds | 10% |
| 744 | What? Where? When? | 59th | 12 hours, 42 minutes, 49 seconds | 35% |
| 746 | A Messy Dinner | 32nd | 4 hours, 6 minutes, 34 seconds | 35% |
| 748 | Upside Down Diophantine Equation | 25th | 3 hours, 22 minutes, 29 seconds | 40% |
| 749 | Near Power Sums | 44th | 1 hour, 9 minutes, 51 seconds | 15% |
| 751 | Concatenation Coincidence | 62nd | 1 hour, 6 minutes, 42 seconds | 5% |
| 770 | Delphi Flip | 52nd | 8 hours, 12 seconds | 30% |
| 801 | 44th | 9 hours, 56 minutes, 17 seconds | 50% | |
| 815 | Group by Value | 45th | 2 hours, 46 minutes, 3 seconds | 25% |
| 818 | SET | 64th | 2 weeks, 2 days, 17 hours, 31 minutes, 43 seconds | 85% |
| 871 | Drifting Subsets | 33rd | 1 hour, 39 minutes, 23 seconds | 25% |
| 872 | Recursive Tree | 36th | 26 minutes, 47 seconds | 5% |
| 873 | Words with Gaps | 43rd | 2 hours, 2 minutes, 5 seconds | 25% |
| 874 | Maximal Prime Score | 66th | 3 hours, 46 minutes, 38 seconds | 15% |
| 875 | Quadruple Congruence | 81st | 22 hours, 28 minutes, 39 seconds | 35% |
| 879 | Touch-screen Password | 59th | 3 hours, 39 minutes, 12 seconds | TBD |
| 881 | Divisor Graph Width | 36th | 49 minutes, 33 seconds | TBD |
| 884 | Removing Cubes | 86th | 8 hours, 46 minutes, 20 seconds | TBD |
| 885 | Sorted Digits | 81st | 2 hours, 52 minutes, 26 seconds | TBD |
| 886 | Coprime Permutations | 70th | 1 day, 3 hours, 11 minutes, 38 seconds | TBD |