ID Problem Show tags Hide tags AC / Tried Difficulty
2556 P251B  Playing with Permutations 0 / 0 (None)
2558 P251E  Tree and Table 0 / 0 (None)
2559 P252A  Little Xor 0 / 0 (None)
2565 P254E  Dormitory 0 / 0 (None)
2566 P255B  Code Parsing 0 / 0 (None)
2567 P255D  Mr 0 / 0 (None)
2569 P257A  Sockets 0 / 0 (None)
2570 P257B  Playing Cubes 0 / 0 (None)
2576 P259B  Little Elephant and Magic Square 0 / 0 (None)
2577 P260B  Ancient Prophesy 0 / 0 (None)
2582 P262A  Roma and Lucky Numbers 0 / 0 (None)
2584 P263A  Beautiful Matrix 0 / 2 10
2585 P263C  Circle of Numbers 0 / 0 (None)
2587 P264A  Escape from Stones 0 / 0 (None)
2590 P265B  Roadside Trees (Simplified Edition) 0 / 0 (None)
2591 P266B  Queue at the School 0 / 0 (None)
2596 P268B  Buttons 0 / 0 (None)
2601 P270B  Multithreading 0 / 0 (None)
2606 P272A  Dima and Friends 0 / 0 (None)
2607 P272C  Dima and Staircase 0 / 0 (None)

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