| Problem | Link | Category | Difficulty |
| 10400 - Game Show Math | 10400 | Exhaustive Search | |
| 10401 - Injured Queen Problem | 10401 | Combinatorics | |
| 10402 - Triangle Covering | 10402 | Geometry | |
| 10403 - Escape from Tut's Tomb | 10403 | | |
| 10404 - Bachet's Game | 10404 | Game Theory | |
| 10405 - Longest Common Subsequence | 10405 | Dynamic Programming, Longest Common Subsequence | 4.0 |
| 10406 - Cutting tabletops | 10406 | | |
| 10407 - Simple division | 10407 | Math | |
| 10408 - Farey sequences | 10408 | Math, Ad Hoc | |
| 10409 - Die Game | 10409 | Simulation | 1.25 |
| 10410 - Tree Reconstruction | 10410 | Graph Theory | |
| 10411 - Another Game of Tetris | 10411 | Ad Hoc | |
| 10412 - Big Big Trees | 10412 | | |
| 10413 - Crazy Savages | 10413 | Number Theory | |
| 10414 - Denki Blocks | 10414 | | |
| 10415 - Eb Alto Saxophone Player | 10415 | Ad Hoc | |
| 10416 - Folding My T-Shirt | 10416 | Computational Geometry | |
| 10417 - Gift Exchanging | 10417 | | |
| 10418 - Hyper Toy Soldiers | 10418 | Graph Theory | 7 |
| 10419 - Sum-up the Primes | 10419 | | |
| 10420 - List of Conquests | 10420 | Ad Hoc | |
| 10421 - Critical Wave | 10421 | | |
| 10422 - Knights in FEN | 10422 | | |
| 10423 - Peter Takes a Tramway | 10423 | Math | |
| 10424 - Love Calculator | 10424 | Ad Hoc | |
| 10425 - Mobile Destroyer | 10425 | Geometry | |
| 10426 - Knights' Nightmare | 10426 | Graph Theory | |
| 10427 - Naughty Sleepy Boys | 10427 | Math | |
| 10428 - The Roots | 10428 | Numerical Methods | |
| 10429 - Mohr's Circle | 10429 | | |
| 10430 - Dear GOD, Pardon Me | 10430 | Math | |
| 10431 - Normal Distribution | 10431 | | |
| 10432 - Polygon Inside A Circle | 10432 | Trigonomerty | |
| 10433 - Automorphic Numbers | 10433 | Number Theory | |
| 10434 - Working With Specific Gravity | 10434 | | |
| 10435 - Compare Directories | 10435 | | |
| 10436 - Cheapest way | 10436 | Graph Theory, Shortest Path | |
| 10437 - Playing With Fraction | 10437 | Math | |
| 10438 - Meta Editor | 10438 | String | |
| 10439 - Temple of Dune | 10439 | Geometry | |
| 10440 - Ferry Loading II | 10440 | Greedy | 4.0 |
| 10441 - Catenyms | 10441 | Graph Theory, Eulerian Path | |
| 10442 - Basic | 10442 | Math, Number Theory | |
| 10443 - Rock, Scissors, Paper | 10443 | Simulation,Ad Hoc | 1.80 |
| 10444 - Multi-peg Towers of Hanoi | 10444 | Dynamic Programming | |
| 10445 - Make Polygon | 10445 | Geometry | |
| 10446 - The Marriage Interview :-) | 10446 | Number Theory | |
| 10447 - Sum-up the Primes (II) | 10447 | | |
| 10448 - Unique World | 10448 | Graph Theory, Dynamic Programming, Shortest Path | |
| 10449 - Traffic | 10449 | Graph Theory, Shortest Path | |
| 10450 - World Cup Noise | 10450 | Combinatorics | |
| 10451 - Ancient Village Sports | 10451 | Geometry | |
| 10452 - Marcus, help! | 10452 | Simulation | |
| 10453 - Make Palindrome | 10453 | Dynamic Programming, Longest Common Subsequence | |
| 10454 - Trexpression | 10454 | | |
| 10455 - Gray Code | 10455 | | |
| 10456 - Intelligent Cats | 10456 | Geometry | |
| 10457 - Magic Car | 10457 | | |
| 10458 - Cricket Ranking | 10458 | | |
| 10459 - The Tree Root | 10459 | Graph Theory | |
| 10460 - Find the Permuted String | 10460 | Permutations | |
| 10461 - Difference | 10461 | Graph Theory, Greedy | |
| 10462 - Is There A Second Way Left? | 10462 | Graph Theory, Minimum Spanning Tree | |
| 10463 - Aztec Knights | 10463 | | |
| 10464 - Big Big Real Numbers | 10464 | | |
| 10465 - Homer Simpson | 10465 | Math, Dynamic Programming | |
| 10466 - How Far? | 10466 | Geometry | |
| 10467 - Parse Tree | 10467 | | |
| 10468 - Rigid Circle Packing | 10468 | Geometry | |
| 10469 - To Carry or not to Carry | 10469 | Math | 1.0 |
| 10470 - Shifted Coefficient Number System | 10470 | | |
| 10471 - Can't be too GREEDY | 10471 | Greedy | |
| 10472 - Fastest Vs Cheapest | 10472 | | |
| 10473 - Simple Base Conversion | 10473 | Math | 1.0 |
| 10474 - Where is the Marble? | 10474 | Ad Hoc | |
| 10475 - Help the Leaders | 10475 | Permutations | |
| 10476 - Spam or Not Spam | 10476 | Simulation | |
| 10477 - The Hybrid Knight | 10477 | Graph Theory | |
| 10478 - The Falling Pillars | 10478 | | |
| 10479 - The Hendrie Sequence | 10479 | Combinatorics | |
| 10480 - Sabotage | 10480 | Graph Theory, Mincut-Maxflow | |
| 10481 - The Gift Wrappers of Hollywood | 10481 | Geometry | |
| 10482 - The Candyman Can | 10482 | Dynamic Programming | |
| 10483 - The Sum Equals the Product | 10483 | Exhaustive Search | |
| 10484 - Divisibility of Factors | 10484 | Number Theory, Primes | |
| 10485 - Painting with CSE | 10485 | Ad Hoc | |
| 10486 - Mountain Village | 10486 | Graph Theory | |
| 10487 - Closest Sums | 10487 | Binary Search | |
| 10488 - Swimming Gopher | 10488 | Geometry | |
| 10489 - Boxes of Chocolates | 10489 | Number Theory | |
| 10490 - Mr. Azad and his Son!!!!! | 10490 | Number Theory | |
| 10491 - Cows and Cars | 10491 | Probability Theory | |
| 10492 - Optimal Mastermind Strategy | 10492 | | |
| 10493 - Cats, with or without Hats | 10493 | | |
| 10494 - If We Were a Child Again | 10494 | BigNum | 2.0 |
| 10495 - Conic Distance | 10495 | Geometry | |
| 10496 - Collecting Beepers | 10496 | Graph Theory, Shortest Path, Traveling Salesperson Problem | |
| 10497 - Sweet Child Makes Trouble | 10497 | Combinatorics | |
| 10498 - Happiness | 10498 | Graph Theory | |
| 10499 - The Land of Justice | 10499 | Math | |
