WEYuLi的专栏

4 Values whose Sum is 0 Time Limit: 15000MS   Memory Limit: 228000K Total Submissions: 12631   Accepted: 3546 Case Time Limit: 5000MS Description The SUM problem can b

SGU 142 Description Kevin has invented a new algorithm to crypt and decrypt messages, which he thinks is unbeatable. The algorithm uses a very large key-string, out of which a keyword is found out a