http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2151 Phone Number Time Limit: 1000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述 We know that if a phone number A is another phone number B’s prefix, B is not able to be called. For a…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2623 The number of steps Time Limit: 1000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述 Mary stands in a strange maze, the maze looks like a triangle(the first layer have one room,the…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2610 Boring Counting Time Limit: 3000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述     In this problem you are given a number sequence P consisting of N integer and Pi is the ith ele…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2609 A-Number and B-Number Time Limit: 1000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述 Tom is very interested in number problem. Nowadays he is thinking of a problem about A-number…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2624 Contest Print Server Time Limit: 1000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述     In ACM/ICPC on-site contests ,3 students share 1 computer,so you can print your source cod…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2608 Alice and Bob Time Limit: 1000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述 Alice and Bob like playing games very much.Today, they introduce a new game. There is a polynomial li…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2606 Rubik’s cube Time Limit: 2000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述     Flabby is addicted to Rubik’s cube. He has many kinds of Rubik’s cube and plays them well. He can…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2605 A^X mod P Time Limit: 5000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述 It's easy for ACMer to calculate A^X mod P. Now given seven integers n, A, K, a, b, m, P, and a function…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2604 Thrall’s Dream Time Limit: 1000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述 We never paid any heed to the ancient prophecies, like fools we clung to the old hatreds, and fought…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2607 Mountain Subsequences Time Limit: 1000ms   Memory limit: 65536K  有疑问?点这里^_^ 题目描述 Coco is a beautiful ACMer girl living in a very beautiful mountain. There are many trees and…