Collegiate

[2022 China Collegiate Programming Contest (CCPC) Guilin Site](https://codeforces.com/gym/104008) CEM

2022 China Collegiate Programming Contest (CCPC) Guilin Site CEM C. Array Concatenation 思路:数学推柿子 考虑有两种操作: 复制 \(b' = \{b_1,b_2,...,b_{|b|},b_1,b_2,..., ......

2022-2023 ACM-ICPC German Collegiate Programming Contest (GCPC 2022)

A. Alternative Architecture 当倾斜放置时,一定可以构成直角三角形。枚举高用勾股定理算出底,然后在利用相似三角形即可算出另一条构成的直角三角形的边长,此时判断边是否都是整数即可。 原图实际上点在格子上,一个常见的套路是边减一就可以转换成点在定点上。 #include <bi ......
2022 Programming Collegiate ACM-ICPC Contest

2022 Hubei Provincial Collegiate Programming Contest G. Brick(gym103729)

大意 给出底层高度,用1*2的砖块将总形状铺成等高矩形,使得高度最小(不能放在外面) 题解 奇妙做法 当高度同奇偶时显然x可以的话x+2也可以,直接加一层竖的,所以首先分奇偶二分高度 有解的必要条件1是,把矩形黑白方格染色之后未填的黑=白(一个1*2刚好覆盖1黑1白) 然后从左往右放砖块,可以感受一 ......

2022 International Collegiate Programming Contest, Jinan Site AEKM

# [2022 International Collegiate Programming Contest, Jinan Site - Codeforces](https://codeforces.com/gym/104076) AEKM ## A. Tower 思路:思维+贪心 由于我们只能进行$+ ......

The 18th Heilongjiang Provincial Collegiate Programming Contest

链接:[https://codeforces.com/gym/104363](https://codeforces.com/gym/104363) ## A. Magic Computer ```cpp #include "bits/stdc++.h" using namespace std; us ......

The 10th Shandong Provincial Collegiate Programming Contest

链接:[https://codeforces.com/gym/104459](https://codeforces.com/gym/104459) ## A ```cpp #include "bits/stdc++.h" using namespace std; using i64 = long l ......

The 17th Chinese Northeast Collegiate Programming Contest

链接:[https://codeforces.com/gym/104366](https://codeforces.com/gym/104366) ## A. Cask Effect ```cpp #include "bits/stdc++.h" using namespace std; using ......

2023-2024 ICPC German Collegiate Programming Contest (GCPC 2023)

# Preface 好久没队里一起训练了就周末约了队友去机房VP了一场,同时终于学会了撬机房门这一核心技术 这场总体打的还行,但主要是B全队集体想复杂导致最后没调出来,J徐神写的维护啥的都没问题就是算答案的时候没想清楚,本来可以出11题的 # A. Adolescent Architecture 2 ......
2023 Programming Collegiate Contest German

The 13th Northeast Collegiate Programming Contest

## **Problem B. Balanced Diet** 其实就是对每种糖果从大到小的排序后,计算前缀和后再 $O(n)$ 处理,由于最多只有 $n$ 个糖果,所以最大复杂度是 $O(nlogn)$。对于题目给的每种糖果的限制 $limit$ ,就把当前小于 $limit$ 的贡献加到 $ma ......
Programming Collegiate Northeast Contest The

SMU Summer 2023 Contest Round 11(2022-2023 ACM-ICPC Nordic Collegiate Programming Contest (NCPC 2022))

# [SMU Summer 2023 Contest Round 11](https://codeforces.com/group/L9GOcnr1dm/contest/466605)(2022-2023 ACM-ICPC Nordic Collegiate Programming Contest ......
Contest 2023 2022 Programming Collegiate

The 10th Shandong Provincial Collegiate Programming Contest

The 10th Shandong Provincial Collegiate Programming Contest K - Happy Equation 思路:a,x的奇偶性相同(因为都对偶数取模),且打表得出a为奇数时,答案为1。(¿) a为偶数时,令 a=t1*2q → ax=t1x*2qx ......

The 2023 Guangdong Provincial Collegiate Programming Contest(2023广东省赛)

链接:[https://codeforces.com/gym/104369](https://codeforces.com/gym/104369) ## A. Programming Contest C++ Code ```cpp #include "bits/stdc++.h" using nam ......

2022 Shanghai Collegiate Programming Contest

# A. Another A+B Problem 暴力枚举出所有的情况,然后特判一下 ```cpp #include using namespace std; set res; int t; string a , b , c = "????????"; #define f(d) ((d[0]-'0' ......
Programming Collegiate Shanghai Contest 2022

The 2023 Guangdong Provincial Collegiate Programming Contest

# A - 算法竞赛 ```cpp #include using namespace std; #define int long long void solve(){ int st , n , ed; cin >> st >> n; map cnt; for( int i = 1 , x ; i > ......

2023 CCPC Henan Provincial Collegiate Programming Contest

链接:[https://codeforces.com/gym/104354](https://codeforces.com/gym/104354) ## A. 小水獭游河南 使用 $\text{hash}$,$O(\sum n)$。 C++ Code ```cpp #include "bits/st ......

2023 CCPC Henan Provincial Collegiate Programming Contest

因为是我和队友VP的这场比赛,最后记录的也是比赛时候的提交代码,因此会出现多种不同的码风也是正常现象。 A.小水獭游河南 #include<bits/stdc++.h> using namespace std; #define rg register #define maxn 150500 #def ......

2023 Hubei Provincial Collegiate Programming Contest

记录一下和队友VP的这场湖北省赛,有空会加上赛后自己的复盘分析和补题情况。 C.Darkness I #include<bits/stdc++.h> using namespace std; #define rg register #define maxn 105050 #define int lo ......

2023 Hubei Provincial Collegiate Programming Contest(gym104337)A. Prime Magic

# 题目大意 给出一个数列ai,每次可以选择**一个区间**[l,r]进行**全体+1**或**全体-1**,需要满足**区间长度len=r-l+1为奇质数p**,且操作过程中ai非负 求最少操作次数使得最终ai不减 n=0 发现原操作等于**选择一个奇质数p**,对b[i]+x,b[i+p]-x ......

2023 Hubei Provincial Collegiate Programming Contest(gym104337)I. Step

# 题目大意 给出数列p[i],求**最小的x**使得$\forall i,(x+1)x/2\%p_i=0$ 保证lcm(p[i]) using namespace std; typedef long long LL; const int N=10001000; int n; int prime[N ......

2023 Hubei Provincial Collegiate Programming Contest(gym104337)E. Inverse Counting Path

# 题目大意 构造一个01网格图,1能走0不能走 使得从左上走到右下(只能走右或走下)的方案数恰好为x n=当前p[i]就减p[i],a[i]+1(也类似**进制转换**) (也可以理解成让**ai尽量小**,所以一次**减的数尽量大**,每次**减最大的能减的数** # code ```cpp # ......

2023 Hubei Provincial Collegiate Programming Contest

# C. Darkness I 首先根据短边放一条对角线,然后往后每隔一列只放一个即可。 ```cpp #include using namespace std; #define int long long int32_t main() { ios::sync_with_stdio(false), ......

2023 CCPC Henan Provincial Collegiate Programming Contest

# A. 小水獭游河南 a的长度小于 26,所以直接暴力枚举暴力判断。 ```cpp #include using namespace std; void solve() { string s; cin >> s; if (s.size() == 1) { cout cnt; for (int i ......

The 16th Harbin Engineering University Collegiate Programming Contest

The 16th Harbin Engineering University Collegiate Programming Contest A. stral Reflection 用右界覆盖左界为下标的数组 构成一个以i为左界,a[i]为右界的数组 以此表示区间 对于每一个陨石都尽可能找左界<=自己 ......

2023ccpc湖北省赛/2023 Hubei Provincial Collegiate Programming Contest个人题解

2023 Hubei Provincial Collegiate Programming Contest A Prime Magic Walk Alone has a sequence $a_1,a_2,...,a_n$, and he can use a magic on it: Choose a ......

2023 Hubei Provincial Collegiate Programming Contest题解 C F H I J K M

补题链接:https://codeforces.com/gym/104337 原文链接:https://www.eriktse.com/algorithm/1136.html M. Different Billing 签到题,写几个柿子然后枚举B或C即可。 #include <bits/stdc++ ......

2023 Hubei Provincial Collegiate Programming Contest

链接:https://codeforces.com/gym/104337 C 画个图看看,复杂度 $O(1)$。 C++ Code #include "bits/stdc++.h" using namespace std; using i64 = long long; int main() { io ......

2022 Shanghai Collegiate Programming Contest B

知识点:差分约束 Link:https://codeforces.com/gym/103931/problem/B。 被卡 SPFA 了呃呃。 一看出题人是这个人: 如何看待 SPFA 算法已死这种说法? - fstqwq 的回答 - 知乎,那没事了。 简述 给定参数 $n, q$,表示有一个长度为 ......
Programming Collegiate Shanghai Contest 2022
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