2010 ACM-ICPC Multi-University Training Contest(2)BUPT

1a r16

1

等比数列,之前想都没想两个for。贡献一次tle

5

赛后ac,看了数据,发现引号中的关键词不能算,不看到死也做不出,原来以下这句话是这个意思;

4, the keywords in a string are not valid, and the character in the string will be expressed by letter. i.e. The string like "ab/x40" will not appear.

string 原来在这里是字符串带引号了。。。。。 我觉得吧,只是我觉得吧,它应该这么写

the keywords int a quotation are not valid


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