regionals multiply contest problem

POJ3468 A Simple Problem with Integers

# A Simple Problem with Integers 题目链接:[A Simple Problem with Integers](http://poj.org/problem?id=3468 "A Simple Problem with Integers") ## 题意 给定$N$个数, ......
Integers Problem Simple 3468 with

AtCoder Regular Contest 164 E Segment-Tree Optimization

[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc164_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc164/tasks/arc164_e "AtCoder 传送门") 妙妙题。 我们考虑 ......

AtCoder Beginner Contest 309 G Ban Permutation

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc309_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc309/tasks/abc309_g "AtCoder 传送门") 前置知识:[[AR ......
Permutation Beginner AtCoder Contest 309

SMU Summer 2023 Contest Round 2

# [SMU Summer 2023 Contest Round 2](https://codeforces.com/group/L9GOcnr1dm/contest/450889) ## [A. Treasure Hunt](https://codeforces.com/group/L9GOcnr ......
Contest Summer Round 2023 SMU

Luogu CF633B 【A Trivial Problem】题解

一段理解起来特别容易的代码 (目前来看是最短的) ## 思路 由于末尾0的个数就是阶乘中分解出10的个数,也就是分解出2的个数与5的个数中的最小值; 显然5的个数小于2的个数,即找出分解出的5的个数。 **比较容易推出:当 $n$ 为 $5^{k}$ 的倍数时,其阶乘分解出 $5$ 的个数即为 $n ......
题解 Trivial Problem Luogu 633B

SMU Summer 2023 Contest Round 1

# [SMU Summer 2023 Contest Round 1](https://codeforces.com/group/L9GOcnr1dm/contest/450888) ## [A. The Contest](https://codeforces.com/group/L9GOcnr1d ......
Contest Summer Round 2023 SMU

[Leetcode Weekly Contest]351

链接:[LeetCode](https://leetcode-cn.com/contest/weekly-contest-351/) ## [Leetcode]6451. 找出最大的可达成数字 给你两个整数 num 和 t 。 如果整数 x 可以在执行下述操作不超过 t 次的情况下变为与 num 相 ......
Leetcode Contest Weekly 351

AtCoder Beginner Contest 308

vp做四道 ## E. MEX [E - MEX (atcoder.jp)](https://atcoder.jp/contests/abc308/tasks/abc308_e) ### 题意 给定一个字符串,其中每个字符都有一个权值,找到所有满足$s_is_js_k=$`MEX`的三元组$(i,j ......
Beginner AtCoder Contest 308

anolis 8.8 (CentOS 8) yum update error: Problem 1: package mod_ssl-1:2.4.37-56.0.1.module+an8.8.0+11061+87142f8c.6.x86_64 requires , but none of the providers can be installed

#yum update error message: Problem 1: package mod_ssl-1:2.4.37-56.0.1.module+an8.8.0+11061+87142f8c.6.x86_64 requires httpd = 2.4.37-56.0.1.module+an8 ......
installed providers requires Problem package

AtCoder Beginner Contest 308 Ex Make Q

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc308_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc308/tasks/abc308_h "AtCoder 传送门") 这是官方题解的 $ ......
Beginner AtCoder Contest Make 308

AtCoder Beginner Contest 309 ABCDE

# [AtCoder Beginner Contest 309](https://atcoder.jp/contests/abc309) ## **A - Nine** ### Problem Statement 题意:给你两个数问你是否在图上是相邻的。 ### Solution 思路:按照图写下关 ......
Beginner AtCoder Contest ABCDE 309

AtCoder Regular Contest 164 (A-C)

#A. Ternary Decomposition *思维难度其实可以作为第二题* >##思路 先考虑最优情况下需要多少个数来组成(不够就 No) 在考虑全部为1的情况下是否可行( N ###完整代码 ```cpp #include using namespace std; #define ll l ......
AtCoder Regular Contest 164 A-C

AtCoder Regular Contest 162

# Preface 补题,这样一来军训这段时间口胡的题目就都写完了,后面空余的时间就优先做学校要求的专题了(主要是几何,因为字符串已经基本做完了) 唉现在的计数水平说实话练了这么多还是没有太大长进,有些巧妙的地方就是想不过去,所以打Atcoder就会很难受 不过相信多练总比不练好,可能到时候需要专门 ......
AtCoder Regular Contest 162

【cs50】lab7 & problem set7

(1)lab7 songs sqlite3 songs.db 1)list the names of all songs in the database SELECT name FROM songs; 2)list names of all songs in increasing order of ......
problem lab7 set7 amp lab

L11U3-3 Dealing with flight problems

## 1 Expressions Flight problems Listen to discuss bad news he receives about his flight. has been delayed. mechanical problems. has been canceled due ......
problems Dealing flight with 11

AtCoder Beginner Contest 307

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 307

AtCoder Beginner Contest 309

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 309

AtCoder Beginner Contest 273 ABCD

# [AtCoder Beginner Contest 273](https://atcoder.jp/contests/abc273) ## **A - A Recursive Function** ### Problem Statement 题意:给你一个函数$f(x)$ - $f(0)=1$ ......
Beginner AtCoder Contest ABCD 273

【论文解析】EJOR 2011 A clustering procedure for reducing the number of representative solutions in the Pareto Front of multiobjective optimization problems

> 论文名称:A clustering procedure for reducing the number of representative solutions in the Pareto Front of multiobjective optimization problems ### 动机 假 ......

【每日一题】Problem 522A. Reposts

[原题](https://codeforces.com/problemset/problem/522/A) #### 解决思路 用哈希表存储每个人物的节点长度即可 ```C++ #include int main() { std::map tree; tree["POLYCARP"] = 1; in ......
Problem Reposts 522

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

[Algorithm] Two crystal balls problem

You're given two identical crystal balls and a 100-story building. The balls are incredibly tough, but there exists some floor in the building, above ......
Algorithm crystal problem balls Two

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

LRU 力扣 146 https://leetcode.cn/problems/lru-cache/

一道经典题目,用双向链表去做能够满足O1的复杂度 核心代码如下 class LRUCache { MyLinkedList myLinkedList; int size; int capacity; HashMap<Integer, MyNode> map; public LRUCache(int ......
lru-cache leetcode problems https cache

A*B Problem(High)

###### ~~这高精度真__的难~~ ## 题目描述 给出两个自然数,求它们的乘积。 ## 输入格式 输入共两行,每行一个自然数。 ## 输出格式 输出一个自然数表示乘积。 ## 样例 #1 ### 样例输入 #1 ``` 1 2 ``` ### 样例输出 #1 ``` 2 ``` ## 提示 ......
Problem High

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