疑惑,求出答案的概率是多少

P2577 [ZJOI2004] 午餐

@[H2OCaO](/user/264490) 充分发扬人类智慧(
by MarSer020 @ 2022-07-18 17:19:23


哈哈
by 信息学carryHarry @ 2022-07-18 17:21:06


@[H2OCaO](/user/264490) 第四篇就是随机化(
by MarSer020 @ 2022-07-18 17:21:46


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