摘要：Given a string of characters, we can permute the individual characters to make new strings. At first we order the string into alphabetical order. Then 阅读全文

摘要：Here is a famous story in Chinese history. "That was about 2300 years ago. General Tian Ji was a high official in the country Qi. He likes to play hor 阅读全文

摘要：Today the company has m tasks to complete. The ith task need xi minutes to complete. Meanwhile, this task has a difficulty level yi. The machine whose 阅读全文

摘要：FJ is about to take his N (1 ≤ N ≤ 2,000) cows to the annual"Farmer of the Year" competition. In this contest every farmer arranges his cows in a line 阅读全文

摘要：Input The input consists of several test cases. The first line of each case contains two integers n (1<=n<=1000) and d, where n is the number of islan 阅读全文

摘要：总述 两题分别是通过 左端点从小到大排序 https://www.cnblogs.com/Little-Turtle--QJY/p/12388858.html 右端点从小到大排序 https://www.cnblogs.com/Little-Turtle--QJY/p/12389430.html 为 阅读全文

摘要：“今年暑假不AC？” “是的。” “那你干什么呢？” “看世界杯呀，笨蛋！” “@#$%^&*%...” 确实如此，世界杯来了，球迷的节日也来了，估计很多ACMer也会抛开电脑，奔向电视了。 作为球迷，一定想看尽量多的完整的比赛，当然，作为新时代的好青年，你一定还会看一些其它的节目，比如新闻联播（永 阅读全文

摘要：Farmer John is assigning some of his N (1 <= N <= 25,000) cows to do some cleaning chores around the barn. He always wants to have one cow working on 阅读全文