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摘要: 求解最长子序列问题(Longest Increasing Subsequence 缩写为 LIS )有三种方法,分别是O(n^2)的DP, O(nlogn)的二分+贪心法, 以及O(nlogn)的树状数组优化的DP,这里暂时先介绍前两种方法 一、DP(O(n^2)) 我们都知道,动态规划的一 阅读全文
posted @ 2019-06-11 20:54
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Bridging signals Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4452 Accepted Submission(s): 276 阅读全文
posted @ 2019-06-11 20:00
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最少拦截系统 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 68249 Accepted Submission(s): 26499 Proble 阅读全文
posted @ 2019-06-11 17:22
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FatMouse's Speed Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 23350 Accepted Submission(s): 10 阅读全文
posted @ 2019-06-11 16:05
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