contest provincial official jiangxi

AtCoder Beginner Contest 309

> 感觉F写了个乱搞做法 ## [A - Nine (abc309 A)](https://atcoder.jp/contests/abc309/tasks/abc309_a) ### 题目大意 给定一个$3 \times 3$的网格,以及两个数字。 ![tu](https://img.atcode ......
Beginner AtCoder Contest 309

AtCoder Beginner Contest 178(E,F)

# AtCoder Beginner Contest 178(E,F) ## E(计算几何) 给出$n$个点坐标,我们需要知道两个不同的点之间的曼哈顿的最大的那一个,求$max(abs(x_i-x_j)+abs(y_i-y_j))$ 题意很好懂,就是如果按照最简单的想法,可以一个一个找,我们枚举不同 ......
Beginner AtCoder Contest 178

AtCoder Grand Contest 058 D Yet Another ABC String

[洛谷传送门](https://www.luogu.com.cn/problem/AT_agc058_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/agc058/tasks/agc058_d "AtCoder 传送门") Orz H6_6Q ......
AtCoder Another Contest String Grand

AtCoder Beginner Contest 308 题解

https://atcoder.jp/contests/abc308/tasks_print # A - New Scheme 过水已隐藏。 代码: ```cpp #include #include #include #include using namespace std; using names ......
题解 Beginner AtCoder Contest 308

AtCoder Beginner Contest 264 ABCDE

# [AtCoder Beginner Contest 264](https://atcoder.jp/contests/abc264) ## **A - "atcoder".substr()** ### Problem Statement 题意:截取字符串 `atcoder`的[L,R]一段并输出 ......
Beginner AtCoder Contest ABCDE 264

AtCoder Regular Contest 163

### [A](https://atcoder.jp/contests/arc163/tasks/arc163_a) 只需暴力判断能否分成两部分即可。 时间复杂度 $\mathcal{O}(n^2)$。 ### [B](https://atcoder.jp/contests/arc163/tasks ......
AtCoder Regular Contest 163

KEYENCE Programming Contest 2021 E Greedy Ant

[洛谷传送门](https://www.luogu.com.cn/problem/AT_keyence2021_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/keyence2021/tasks/keyence2021_e "AtCoder ......
Programming KEYENCE Contest Greedy 2021

AtCoder Beginner Contest 304

A: 1 #include<cstdio> 2 #include<cstring> 3 #include<algorithm> 4 #include<iostream> 5 #include<string> 6 #include<vector> 7 #include<stack> 8 #includ ......
Beginner AtCoder Contest 304

AtCoder Grand Contest 033 D Complexity

[洛谷传送门](https://www.luogu.com.cn/problem/AT_agc033_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/agc033/tasks/agc033_d "AtCoder 传送门") 这题感觉实在太 e ......
Complexity AtCoder Contest Grand 033

AtCoder Beginner Contest 308 - E

题目链接:[abc 308](https://atcoder.jp/contests/abc308) 前四题简单就不放了 #### [E - MEX](https://atcoder.jp/contests/abc308/tasks/abc308_e) 阿巴阿巴,比赛的时候想复杂了,一直在想怎么快速 ......
Beginner AtCoder Contest 308

Atcoder Beginer Contest 306 D ~ E

vp中途突然拉肚子>_ using namespace std; using ll = long long; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; array dp; for(int ......
Atcoder Beginer Contest 306

AtCoder Regular Contest 163

# Preface 补题,这场比赛的时候被拉去开科研组会了,所以就没现场打了 这两天军训在伤病连划水,白天可以好好想题目舒服的一批 这场D题确实很妙,需要一些竞赛图相关的知识才能想到转化,不过也算是学到一个重要trick了吧 # **A - Divide String** 显然只要考虑能否分成两个串 ......
AtCoder Regular Contest 163

2022-2023 ICPC Brazil Subregional Programming Contest(B,D,F,I,L,N)

# 正题 题目链接:[https://codeforces.com/gym/103960](https://codeforces.com/gym/103960) # B-Fun with Stones【博弈论,数位dp】 ## 题目大意 三个堆的取石子游戏,第 $i$ 个堆石子个数可能是 $[L_i ......
Subregional Programming Contest Brazil 2022

AtCoder Beginner Contest 308 ABCDEF

# [AtCoder Beginner Contest 308]([AtCoder Beginner Contest 308 - AtCoder](https://atcoder.jp/contests/abc308)) ## **A - New Scheme** ### Problem State ......
Beginner AtCoder Contest ABCDEF 308

AtCoder Regular Contest 163 D Sum of SCC

[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc163_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc163/tasks/arc163_d "AtCoder 传送门") 怎么连这种相对传统 ......
AtCoder Regular Contest 163 Sum

[Leetcode Weekly Contest]350

链接:[LeetCode](https://leetcode-cn.com/contest/weekly-contest-350/) ## [Leetcode]2739. 总行驶距离 卡车有两个油箱。给你两个整数,mainTank 表示主油箱中的燃料(以升为单位),additionalTank 表示 ......
Leetcode Contest Weekly 350

AtCoder Regular Contest 153 E Deque Minimization

[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc153_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc153/tasks/arc153_e "AtCoder 传送门") 我们考虑给定 $X ......
Minimization AtCoder Regular Contest Deque

AtCoder Beginner Contest 308 G Minimum Xor Pair Query

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc308_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc308/tasks/abc308_g "AtCoder 传送门") 考虑没有删除操作怎 ......
Beginner AtCoder Contest Minimum Query

AtCoder Regular Contest 163 C Harmonic Mean

[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc163_c "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc163/tasks/arc163_c "AtCoder 传送门") 这题是不是想到裂项 ......
Harmonic AtCoder Regular Contest Mean

AtCoder Beginner Contest 308 A~F

[AtCoder Beginner Contest 308](https://atcoder.jp/contests/abc308) ![image-20230702174419133](C:\Users\magicat\AppData\Roaming\Typora\typora-user-imag ......
Beginner AtCoder Contest 308

AtCoder Beginner Contest 308

A: 1 #include<cstdio> 2 #include<cstring> 3 #include<algorithm> 4 #include<iostream> 5 #include<string> 6 #include<vector> 7 #include<stack> 8 #includ ......
Beginner AtCoder Contest 308

AtCoder Beginner Contest 308

> 这几天在收拾东西搬家,先附上代码,晚点补上题解 > 感觉这次FG都写不太明白 ## [A - New Scheme (abc308 A)](https://atcoder.jp/contests/abc308/tasks/abc308_a) ### 题目大意 给定八个数,问是否满足以下要求: - ......
Beginner AtCoder Contest 308

AtCoder Grand Contest 021 E Ball Eat Chameleons

[洛谷传送门](https://www.luogu.com.cn/problem/AT_agc021_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/agc021/tasks/agc021_e "AtCoder 传送门") 容易发现一个变色龙 ......
Chameleons AtCoder Contest Grand Ball

AtCoder Beginner Contest 307(E,F,G)

# AtCoder Beginner Contest 307(E,F,G) ## E(dp) [E](https://atcoder.jp/contests/abc307/tasks/abc307_e) 这个题大意就是我们需要组成一个长度为$n$的数组,满足两个相邻的数字不可以相等,其中,$a_1$ ......
Beginner AtCoder Contest 307

Educational Codeforces Round 151 [div.2 #A-C] 赛后总结(contest/1845)

### [link](https://codeforces.com/contest/1845 "Educational Codeforces Round 151") $\textcolor{52C41A}{A}-\textcolor{FADB14}{B}-\textcolor{FADB14}{C}- ......
Educational Codeforces contest Round 1845

AtCoder Beginner Contest 280 ABCDE

# [AtCoder Beginner Contest 280](https://atcoder.jp/contests/abc280) ## **A - Pawn on a Grid** ### Problem Statement 题意:给你$N$行$M$列的网格,问你有多少个# ### Solu ......
Beginner AtCoder Contest ABCDE 280

AtCoder Beginner Contest(abc) 297

*** ## B - [chess960](https://atcoder.jp/contests/abc297/tasks/abc297_b) #### 题目大意 >给定一串字符串, 里面一定包含2个' B ', 2个' R ', 1个' K ', 问该字符串是否满足以下两个条件, 一是两个'B' ......
Beginner AtCoder Contest 297 abc

AtCoder Beginner Contest 296 Ex Unite

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc296_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc296/tasks/abc296_h "AtCoder 传送门") 不错的 dp。 考 ......
Beginner AtCoder Contest Unite 296

AtCoder Beginner Contest 227 H Eat Them All

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc227_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc227/tasks/abc227_h "AtCoder 传送门") 好奇特的题。 考虑 ......
Beginner AtCoder Contest Them 227

AtCoder Beginner Contest 306(ABC 306) E~F补题

# E ### 题目大意 给定数字\$k\$,规定数组 $A$ 的函数 $f(A)$ :$A$ 数组前 $k$ 大数字的和 - 如 $A=[1,~3,~7,~4]$ ,$k=2$ ,则 $f(A)=7+4=11$ 现在给定最大数组长度 $n$ ,有 $q$ 组操作,每次将第 $x$ 个数字修改为 $ ......
306 Beginner AtCoder Contest ABC