摘要：Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material to read while waitin 阅读全文

摘要：题目传送门：https://agc003.contest.atcoder.jp/tasks/agc003_e 题目大意 一串数，初始为$1\sim N$，现有$Q$个操作，每次操作会把数组长度变成$L_i$，多余的长度直接截断；长度不够则循环填充，问最后$1\sim N$每个数的出现次数 首先维护一 阅读全文

摘要：Description N个矩形,排成一排. 现在希望用尽量少的矩形海报Cover住它们. Input 第一行给出数字N,代表有N个矩形.N在[1,250000] 下面N行,每行给出矩形的长与宽.其值在[1,1000000000]2 1/2 Postering Output 最少数量的海报数. Sa 阅读全文

摘要：Description Having become bored with standard 2 dimensional artwork (and also frustrated at others copying her work), the great bovine artist Picowso 阅读全文

摘要：Description Farmer John's N (1 include include include include define inf 0x7f7f7f7f using namespace std; typedef long long ll; typedef unsigned int u 阅读全文

摘要：Description 农民John的某 N 头奶牛 (1 include include include include define inf 0x7f7f7f7f using namespace std; typedef long long ll; typedef unsigned int ui 阅读全文