2017年8月12日
HDU_5672(双指针)
摘要： Description There is a string S.S only contain lower case English character.(10≤length(S)≤1,000,000)How many substrings there are that contain at leas 阅读全文
posted @ 2017-08-12 17:03 Lslsa 阅读(167) 评论(2) 推荐(0) 编辑