Project-Euler
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Project Euler and ProjectEuler+ on HackerRank
Project Euler and ProjectEuler+ on HackerRank
| # | Name | Python | C | Notes |
|---|---|---|---|---|
| 1 | Multiples of 3 or 5 | ✓ | ✓ | [^1] [^6] |
| 2 | Even Fibonacci Numbers | ✓ | ✓ | [^1] [^7] |
| 3 | Largest Prime Factor | ✓ | [^1] [^7] | |
| 4 | Largest Palindrome Product | ✓ | ✓ | [^1] [^7] |
| 5 | Smallest Multiple | ✓ | ✓ | [^1] [^7] |
| 6 | Sum Square Difference | ✓ | [^1] [^7] | |
| 7 | 10001st Prime | ✓ | ✓ | [^1] [^7] |
| 8 | Largest Product in a Series | ✓ | [^1] [^7] | |
| 9 | Special Pythagorean Triplet | ✓ | ✓ | [^1] [^7] |
| 10 | Summation of Primes | ✓ | [^1] [^7] | |
| 11 | Largest Product in a Grid | ✓ | [^1] [^7] | |
| 12 | Highly Divisible Triangular Number | ✓ | [^1] [^7] | |
| 13 | Large Sum | ✓ | [^1] [^7] | |
| 14 | Longest Collatz Sequence | ✓ | [^1] [^7] | |
| 15 | Lattice Paths | ✓ | [^2] [^7] | |
| 16 | Power Digit Sum | ✓ | [^1] [^7] | |
| 17 | Number Letter Counts | ✓ | [^2] [^8] | |
| 18 | Maximum Path Sum I | ✓ | [^1] [^7] | |
| 19 | Counting Sundays | ✓ | [^1] | |
| 20 | Factorial Digit Sum | ✓ | [^1] [^7] | |
| 67 | Maximum Path Sum II | ✓ | [^3] [^7] | |
| 69 | Totient Maximum | ✓ | [^2] [^7] | |
| 92 | Square Digit Chains | ✓ | [^2] [^7] | |
| 218 | Perfect Right-angled Triangles | ✗ | ✗ | [^4] [^7] |
| 317 | Firecracker | ✓ | [^5] | |
| 457 | A Polynomial Modulo the Square of a Prime | [^5] | ||
| 487 | Sums of Power Sums | [^5] | ||
| 499 | St. Petersburg Lottery | ✓ | [^5] | |
| 506 | Clock Sequence | ✓ | [^5] | |
| 684 | Inverse Digit Sum | ✓ | [^5] | |
| 719 | Number Splitting | ✓ | [^5] | |
| 751 | Concatenation Coincidence | ✓ | [^5] | |
| 822 | Square the Smallest | ✓ | [^5] | |
| 836 | A Bold Proposition | ✗ | ✗ | [^4] [^5] |
| 850 | Fractions of Powers | [^5] | ||
| 851 | SOP and POS | [^5] | ||
| 852 | Coins in a Box | [^5] | ||
| 855 | Delphi Paper | [^5] | ||
| 857 | Beautiful Graphs | [^5] | ||
| 864 | Square + 1 = Squarefree | [^5] | ||
| 867 | Tiling Dodecagon | [^5] | ||
| 870 | Stone Game IV | [^5] | ||
| 876 | Triplet Tricks | [^5] | ||
| 879 | Touch-screen Password | [^5] | ||
| 880 | Nested Radicals | [^5] | ||
| 881 | Divisor Graph Width | [^5] | ||
| 882 | Removing Bits | [^5] | ||
| 883 | Remarkable Triangles | [^5] |
[^1]: Project Euler Problem solved through ProjectEuler+ Challenge code [^2]: Project Euler Problem solved through ProjectEuler+ Challenge code, with adjustment of constant variable(s) [^3]: Project Euler Problem solved through ProjectEuler+ Challenge code, optionally using the file given as part of the problem [^4]: No code necessary [^5]: No corresponding ProjectEuler+ Challenge yet [^6]: Previously named "Multiples of 3 and 5": https://projecteuler.chat/viewtopic.php?t=7316. The ProjectEuler+ Challenge still has this name. [^7]: Project Euler Problem (Descriptions /) Titles previously did not use title case: https://web.archive.org/web/20230528105433/https://projecteuler.net/archives. This is still reflected in the ProjectEuler+ Challenge name. [^8]: The ProjectEuler+ Challenge has a different name: "Number to Words"
Harmon758