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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