为啥只有40分啊

P7915 [CSP-S 2021] 回文

@[3207414165lll](/user/763721) 代码有错
by ragwort @ 2023-03-18 18:13:42


@[wind_kaka](/user/781159) 大佬能教教我错在哪吗,看一下午了
by 3207414165lll @ 2023-03-18 18:15:42


@[3207414165lll](/user/763721) 读不懂(
by ragwort @ 2023-03-18 18:16:27


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