Hdu 1394 Minimum Inversion Number
≤,≠,≥<> 时间限制:1S / 空间限制:256MB 【在线测试提交传送门】【问题描述】 The inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i aj.For a given sequence of number
翻译
2017-11-09 10:22:56 ·
441 阅读 ·
0 评论