2016年8月30日
[poj3321]Apple Tree(dfs序+树状数组)
摘要： Apple Tree Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 26762 Accepted: 7947 Description There is an apple tree outside of kaka's house. 阅读全文
posted @ 2016-08-30 23:42 Pumbit-Legion 阅读(332) 评论(0) 推荐(0)
[poj2155]Matrix(二维树状数组)
摘要： Matrix Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 25004 Accepted: 9261 Description Given an N*N matrix A, whose elements are either 0 阅读全文
posted @ 2016-08-30 23:22 Pumbit-Legion 阅读(458) 评论(0) 推荐(0)
[bzoj2124]等差子序列(hash+树状数组)
摘要： hash+树状数组 阅读全文
posted @ 2016-08-30 22:52 Pumbit-Legion 阅读(1079) 评论(0) 推荐(0)