WEYuLi的专栏

4 Values whose Sum is 0Time Limit: 15000MS Memory Limit: 228000KTotal Submissions: 12631 Accepted: 3546Case Time Limit: 5000MSDescriptionThe SUM problem can b

SGU 142DescriptionKevin 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