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题目链接: "http://codeforces.com/problemset/problem/55/D" D. Beautiful numbers time limit per test4 secondsmemory limit per test256 megabytes 问题描述 Volodya 阅读全文
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题目链接: "http://acm.hdu.edu.cn/showproblem.php?pid=4352" XHXJ's LIS Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) 问题描述 阅读全文
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题目链接: "https://hihocoder.com/problemset/problem/1388" Periodic Signal 时间限制:5000ms内存限制:256MB 问题描述 Profess X is an expert in signal processing. He has a 阅读全文