Your browser does not support the audio element.
2017年8月11日
Permutation Descent Counts(递推)
摘要： 1968: Permutation Descent Counts Submit Page Summary Time Limit: 1 Sec Memory Limit: 128 Mb Submitted: 123 Solved: 96 Description Given a positive int 阅读全文
posted @ 2017-08-11 13:43 happy_codes 阅读(266) 评论(0) 推荐(0)