E:用二进制表示放的数字,然后状压$DP$。 F:$biset$优化$DP$预处理,乱搞贪心。 ARC 059 D:傻题,存在长的合法子串就一定会存在短的。 E:前缀和优化$DP$。 F:每个长度为$len$的串出现的概率是相同的,求到长度为$len$的方案数然后除$2^{len}$。 ARC 060 D:对$b$分大于根号和小于根号讨论。 E:倍增...
...,Sn tomorrow. He is excited and already thinking of what string he will create. Since he does not know the string on the headline yet, he is interested in strings that can be created regardless of which string the headline contains....
usingnamespacestd; #definepb push_back #defineendl'\n' #defineLL long long constintN =5e5+10; intn, a[N], l[N], r[N]; LL pre[N], suf[N], b[N]; voidsolve(){ cin >> n; for(inti =1; i <= n; i++) { cin >> a[i]; b[i] = a[i]; l[i] = i -1; r[i...
· [题解] Atcoder Regular Contest ARC 148 A B C E 题解 · [题解] Atcoder Regular Contest ARC 146 A B C D 题解 · Atcoder Regular Contest 147 · AtCoder Regular Contest 158 · AtCoder Regular Contest 174 阅读排行: · 一天Star 破万的开源项目「GitHub 热点速览」 · 记一...
We will hold AtCoder Regular Contest 151. Contest URL:https://atcoder.jp/contests/arc151 Start Time:http://www.timeanddate.com/worldclock/fixedtime.html?iso=20221016T2100&p1=248 Duration: 120 minutes Number of Tasks: 6 Writer:leaf1415 ...
AtCoder Beginner Contest 399(C-F详细题解) C 思路:作为一个简单无向图,有 n 个点只能有 n-1 条边,那我们只需要统计不同连通图上的点计算出所需的边即可,最后就是总边数减去所需的边即可。 代码:vector<vector<int>>… 秋日薄雾 AtCoder Beginner Contest 401 A-G 简易题解,如果题解...
164 -- 1:43:11 App [6/8] AtCoder Beginner Contest 286 (unrated) 181 -- 27:25 App [6/6] VP AtCoder Beginner Contest 166 (随机 VP) 441 1 2:00:59 App [5/7] Educational Codeforces Round 142 (1660 ⭜ 1889) 468 -- 42:43 App AtCoder Beginner Contest 334 A 至 G 題...
We will hold AtCoder Regular Contest 155. Contest URL: https://atcoder.jp/contests/arc155 Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230129T2100&p1=248 Duration: 120 minutes Number of Tasks: 6 Writer: chinerist Tester: tatyam, satashun Rated range: — 2799...
AtCoder Beginner Contest A-F 简易题解,如果题解中有什么问题可以找我反馈,谢谢! A.CBC直接枚举整个字符串,只输出大写字母即可。 int main(){ string s; cin >> s; for(int i = 0 ; i < s.size(); i++){… 枫落发表于Atcod... C++--输出:保留两位小数 海轰Pro发表于C++ AtCoder...
AtCoder Regular Contest 144(简称ARC 144)是AtCoder举办的一场定期比赛,旨在提供一个平台供程序员们展示他们的编程技能和解决问题的能力。本文将详细解析ARC 144的题目,并提供相应的解题思路和方法。 正文内容: 1.第一大点:题目一解析 1.1小点:题目背景介绍 在这里,我们将介绍题目的背景信息,包括题目的出处和相关...