ID 题目 显示标签 隐藏标签 AC / 尝试 难度
7456 P65C   Harry Potter and the Golden Snitch 0 / 0 (无)
7455 P65D   Harry Potter and the Sorting Hat 0 / 0 (无)
7454 P65E   Harry Potter and Moving Staircases 0 / 0 (无)
7453 P66A   Petya and Java 0 / 0 (无)
7452 P66B   Petya and Countryside 0 / 0 (无)
7451 P66C   Petya and File System 0 / 0 (无)
7450 P66D   Petya and His Friends 0 / 0 (无)
7449 P66E   Petya and Post 0 / 0 (无)
7448 P67A   Partial Teacher 0 / 0 (无)
7447 P67B   Restoration of the Permutation 0 / 0 (无)
7446 P67C   Sequence of Balls 0 / 0 (无)
7445 P67D   Optical Experiment 0 / 0 (无)
7444 P67E   Save the City! 0 / 0 (无)
7443 P68A   Irrational problem 0 / 0 (无)
7442 P68B   Energy exchange 0 / 0 (无)
7441 P68C   Synchrophasotron 0 / 0 (无)
7440 P68D   Half-decay tree 0 / 0 (无)
7439 P68E   Contact 0 / 0 (无)
7438 P69A   Young Physicist 0 / 0 (无)
7437 P69B   Bets 0 / 0 (无)

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