摘要:
Backward Digit Sums Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6338 Accepted: 3667 Description FJ and his cows enjoy playing a mental 阅读全文
摘要:
Smallest Difference Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8463 Accepted: 2324 Description Given a number of distinct decimal digi 阅读全文