摘要：
You have an array a consisting of n integers. Each integer from 1 to n appears exactly once in this array. For some indices i (1 ≤ i ≤ n - 1) it is po 阅读全文
posted @ 2018-02-08 20:54
杰瑞不辣~
阅读(193)
评论(0)
推荐(0)
浙公网安备 33010602011771号