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ft,看了官方数据,数据有三个重大错误!!!

Posted by dynamic at 2003-11-17 12:20:31 on Problem 1618
1.题目说了全是大写,数据里面居然有小写!!!
2.题目给的N完全是没用的,我开始理解成只能用前N个字母了(按照题目的描述也似乎应该是这样),这一点可以说是关于题目的理解,暂且不提;
3.当combination的长度大于l的时候,官方输出是0,但按照题意,似乎应该是n^l或26^l

后两点我都考虑过了,但是没想到输入里面居然有小写,ft...................

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