2016年5月1日
PAT 1009. Triple Inversions (35) 数状数组
摘要： Given a list of N integers A1, A2, A3,...AN, there's a famous problem to count the number of inversions in it. An inversion is defined as a pair of in 阅读全文
posted @ 2016-05-01 22:28 Lweleth 阅读(442) 评论(1) 推荐(0)
HDU 1074 Doing Homework 状压DP
摘要： Problem Description Ignatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadline 阅读全文
posted @ 2016-05-01 22:12 Lweleth 阅读(231) 评论(1) 推荐(0)