Time limit5000 ms Memory limit65536 kB There are so many different religions in the world today that it is difficult to keep track of them all. You are interested in finding out how many different religions students in your university believe in. You…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5458 Problem Description Given an undirected connected graph G with n nodes and m edges, with possibly repeated edges and/or loops. The stability of connectedness between node u and node v is defined by…
F. Palindrome Problem Description A string is palindrome if it can be read the same way in either direction, for example "maram" is palindrome, while "ammar" is not. You are given a string of n characters, where each character is eithe…