摘要： Surprising Strings Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7225 Accepted: 4663 Description The D-pairs of a string of letters are t 阅读全文

摘要： C. Jury Marks time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Jury Marks time limit p 阅读全文