| Problem name | | In short | Forum |
| 50367 - Bar Codes |
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Clarifications (1) » |
| 50250 - The Knight |
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Dial a phone number speed-dial knight |
Discussion (1) » |
| 50707 - Rebus |
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Find all solutions of the puzzle |
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| 50265 - Liars and Knights |
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Discussion (1) » |
| 51071 - Phalanx-2 |
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Clarifications (1) » |
| 50715 - Zero Sum |
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Find all the ways of reaching zero with numbers from 1 to n |
Discussion (2) » |
| 50711 - Snail Trails |
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Discussion (1) » |
| 50472 - Minimum Sum Triangle |
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Clarifications (3) » |
| 50306 - Beautiful Numbers |
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Clarifications (1) » |
| 50716 - All Palindromes |
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Find all subsequences that are palindromes |
Discussion (1) » |
| 50714 - The knight |
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Find the knight's route to all the squares |
Discussion (1) » |
| 50713 - Castle and the girls |
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Find all the patterns that satisfy the requirement |
Discussion (1) » |
| 50710 - Permutations |
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Discussion (1) » |
| 50709 - k-ary Strings |
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Discussion (1) » |
| 50708 - Binary Strings |
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Discussion (1) » |
| 50996 - Checkers - the shortest path |
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Clarifications (2) » |
| Check-Mate |
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| 50479 - Bit Compressor |
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Clarifications (1) » |
| 50486 - Problems and Programmers |
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Clarifications (1) » |
| 50712 - Moon algebra |
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Clarifications (1) » |
| 50717 - Hurdle Jumping |
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According to the rules determine if there is any chance of Andi to win |
Clarifications (1) » |
| 50840 - Tanker trucks |
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Clarifications (1) » |
| 50490 - Across the River |
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Clarifications (1) » |
| 50828 - Arranging Time Table |
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Clarifications (1) » |