再次求助

P1004 [NOIP2000 提高组] 方格取数

@[Lycan!](/user/210122) 假如选出来的路径有交, 答案会算多吧...
by Lskkkno1 @ 2020-01-09 19:04:24


@[Lskkkno1](/user/88471) 谢谢大佬qwq
by coconutt_ @ 2020-01-09 20:27:37


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