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[USACO2011 Feb]Best Parenthesis
摘要：Time Limit: 10 Sec Memory Limit: 128 MB Description Recently, the cows have been competing with strings of balanced parentheses and comparing them wit 阅读全文
posted @ 2018-03-14 20:00 月亮茶 阅读(370) 评论(0) 推荐(0)