HDU 5776 sum(抽屉原理)
摘要:题目传送:http://acm.hdu.edu.cn/showproblem.php?pid=5776 Problem Description Given a sequence, you're asked whether there exists a consecutive subsequence
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HDU 1808 Halloween treats(抽屉原理)
摘要:题目传送:http://acm.hdu.edu.cn/showproblem.php?pid=1808 Problem Description Every year there is the same problem at Halloween: Each neighbour is only will
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