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套题链接:http://codeforces.com/contest/732 B题Cormen The Best Friend Of a Man贪心的考虑一下,只要相邻两位之和不小于k即可。 1 #include <iostream> 2 #include <cstdio> 3 #include < 阅读全文
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C.Hidden Word 链接:http://codeforces.com/contest/725/problem/C 昨天打比赛时没弄清楚题意,不过现在对题意还有怀疑,You’re given a string s which consists of 27 upper-case English 阅读全文