I am a slow walker,but I never walk backwards. Abraham Lincoln

GeekZRF

2016年10月5日

HDU 2689Sort it 树状数组 逆序对

摘要： Sort it Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4110 Accepted Submission(s): 2920 Problem 阅读全文

posted @ 2016-10-05 13:49 GeekZRF 阅读(248) 评论(0) 推荐(0)

树状数组入门

摘要： 传送门：https://www.topcoder.com/community/data-science/data-science-tutorials/binary-indexed-trees/#introduction 下面对树状数组进行一些分析： inline int Lowbit(int x){ 阅读全文

posted @ 2016-10-05 13:32 GeekZRF 阅读(226) 评论(0) 推荐(0)

HDU 1394Minimum Inversion Number 数状数组 逆序对数量和

摘要： Minimum Inversion Number Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18543 Accepted Submissio 阅读全文

posted @ 2016-10-05 12:40 GeekZRF 阅读(240) 评论(0) 推荐(0)

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