2019年9月18日
Codeforces Round #402 (Div. 2) D题 【字符串二分答案+暴力】
摘要： D. String GameLittle Nastya has a hobby, she likes to remove some letters from word, to obtain another word. But it turns out to be pretty hard for he 阅读全文
posted @ 2019-09-18 20:17 pengge666 阅读(245) 评论(0) 推荐(0)
区间求和【莫队板子题】牛客小白月赛17
摘要： 题目：给你n个数，每个数为ai​，现在有m个询问，每个询问l,r，需要求出：代表ai​在这个区间中出现的次数。 题目链接：https://ac.nowcoder.com/acm/contest/1085/G 输入： 输出： 参考博客：1.https://www.cnblogs.com/MisakaA 阅读全文
posted @ 2019-09-18 11:29 pengge666 阅读(266) 评论(0) 推荐(0)
Codeforces Round #455 (Div. 2) D题(花了一个早自习补了昨晚的一道模拟QAQ)
摘要： D. Colorful PointsYou are given a set of points on a straight line. Each point has a color assigned to it. For point a, its neighbors are the points w 阅读全文
posted @ 2019-09-18 09:43 pengge666 阅读(147) 评论(0) 推荐(0)