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B Balala Power! 题目链接 http://acm.hdu.edu.cn/showproblem.php?pid=6034 题面描述 Talented Mr.Tang has n strings consisting of only lower case characters. He w 阅读全文
摘要：
D. Winter is here 题目连接： http://codeforces.com/contest/839/problem/D Description Winter is here at the North and the White Walkers are close. John Snow 阅读全文