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ID Problem Show tags Hide tags AC / Tried Difficulty
1 L1000   对抗只因(fight) 1 / 1 2
2 L1001   城楼(Tower) 0 / 1 3
3 L1002   数字线段(num_problem) 0 / 0 2
4 L1004   爱画画的小Σ(draw) 0 / 0 3
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