beginner atcoder contest 247

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

微软物联网基础教程(IoT-For-Beginners)读后感

- [仓库地址](#仓库地址) - [总体评价](#总体评价) # 仓库地址 https://github.com/microsoft/IoT-For-Beginners # 总体评价 巨硬出的东西,质量还是可以的,深度也如仓库名一样只是 for beginners,作为真正的 beginners ......

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

AtCoder Beginner Contest 228 G Digits on Grid

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc228_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc228/tasks/abc228_g "AtCoder 传送门") ?这啥啊,不会。 ......
Beginner AtCoder Contest Digits Grid

AtCoder Beginner Contest 072

# A - Sandglass2 ```cpp #include using namespace std; #define int long long int32_t main() { int a , b; cin >> a >> b; cout using namespace std; #defi ......
Beginner AtCoder Contest 072

AtCoder Beginner Contest 238 Ex Removing People

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc238_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc238/tasks/abc238_h "AtCoder 传送门") 考虑期望转计数,方 ......
Beginner Removing AtCoder Contest People

AtCoder Beginner Contest 307 Ex Marquee

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc307_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc307/tasks/abc307_h "AtCoder 传送门") 一开始看错题了,看 ......
Beginner AtCoder Contest Marquee 307

AtCoder Beginner Contest(abc) 307

*** ## A - [Weekly Records](https://atcoder.jp/contests/abc307/tasks/abc307_a) #### 题目大意 >小莫每天跑步, 输入n周每天的步数, 输出每周跑的总步数; #### 解题思路 >签到题不多嗦了; #### 神秘代码 ......
Beginner AtCoder Contest 307 abc

SMU Spring 2023 Contest Round 7

A. Programming Contest 签到题. 输入输出读完应该就懂了: 从y1枚举到y2,若枚举的年份不在停办年份里则答案加一 void solve() { int n,m; cin >> n; vector<int> a(N),year(N); cin >> m; for(int i = ......
Contest Spring Round 2023 SMU

Basic(Beginner's All-purpose Symbolic Instruction Code)是一种高级编程语言,最初在1964年由John G. Kemeny和Thomas E. Kurtz在Dartmouth College开发而成。Basic的设计初衷是为了让非专业程序员能够轻松学习和使用编程语言。

Basic(Beginner's All-purpose Symbolic Instruction Code)是一种高级编程语言,最初在1964年由John G. Kemeny和Thomas E. Kurtz在Dartmouth College开发而成。Basic的设计初衷是为了让非专业程序员能够轻 ......
编程语言 语言 Basic 初衷 程序员

AtCoder Beginner Contest 307 G Approximate Equalization

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc307_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc307/tasks/abc307_g "AtCoder 传送门") 考虑我们如果确定了 ......

AtCoder Beginner Contest 245 Ex Product Modulo 2

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc245_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc245/tasks/abc245_h "AtCoder 传送门") 很好的题。 下文令 ......
Beginner AtCoder Contest Product Modulo

AtCoder Beginner Contest 307 ABCDE

# [AtCoder Beginner Contest 307](https://atcoder.jp/contests/abc307) ## **A - Weekly Records** ### Problem Statement 题意:告诉你有几个礼拜,问你每个礼拜走的路程和。 ### Solu ......
Beginner AtCoder Contest ABCDE 307

AtCoder Beginner Contest 267 ABCDE

# [AtCoder Beginner Contest 267](https://atcoder.jp/contests/abc267) ## **A - Saturday** ### Problem Statement 题意:问你给定的天到礼拜六还要几天。 思路:直接算。 ```c++ #incl ......
Beginner AtCoder Contest ABCDE 267

AtCoder Beginner Contest 252 Ex K-th beautiful Necklace

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc252_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc252/tasks/abc252_h "AtCoder 传送门") ~~不知道为什么可 ......
beautiful Beginner Necklace AtCoder Contest

AtCoder Beginner Contest 307

## [A - Weekly Records (abc307 A)](https://atcoder.jp/contests/abc307/tasks/abc307_a) ### 题目大意 给定$n$周每天的散步量,求每周七天的散步量的和。 ### 解题思路 累计求和即可。 神奇的代码 ```cpp ......
Beginner AtCoder Contest 307

AtCoder Beginner Contest 212(E,F)

# AtCoder Beginner Contest 212(E,F) ## E(dp) [E](https://atcoder.jp/contests/abc212/tasks/abc212_e) 题目大意为有$n$个点,我们需要找到$k+1$个点,用数组$A$表示,其中,$A_i$和$A_{i+ ......
Beginner AtCoder Contest 212

SMU Spring 2023 Contest Round 6

E. Expenditure Reduction 从左右往右找到包含B字符的最近位置,然后从这个位置有从右到左找回去找到包含完所有B字符的位置,这个区间就是答案 #include <bits/stdc++.h> #define inf 0x3f3f3f3f #define endl '\n' #de ......
Contest Spring Round 2023 SMU

AtCoder Beginner Contest(abc) 299

*** ## A - [Treasure Chest](https://atcoder.jp/contests/abc299/tasks/abc299_a) #### 题目大意 >给定一个由' | ' ' * '和' . '组成的字符串, 并且保证一定有1个' * '和2个' | ', 检查' * ......
Beginner AtCoder Contest 299 abc

AtCoder Regular Contest 154 E Reverse and Inversion

[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc154_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc154/tasks/arc154_e "AtCoder 传送门") 好题! 考虑如何更 ......
Inversion AtCoder Regular Contest Reverse

AtCoder Regular Contest 154 D A + B > C ?

[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc154_d "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc154/tasks/arc154_d "AtCoder 传送门") **看到这种题,应 ......
AtCoder Regular Contest 154 gt

AtCoder Regular Contest 154 C Roller

[洛谷传送门](https://www.luogu.com.cn/problem/AT_arc154_c "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/arc154/tasks/arc154_c "AtCoder 传送门") 被这题干爆了![] ......
AtCoder Regular Contest Roller 154

【题解】AtCoder-ABC306G Return to 1

这也太强了! 容易想到的是用若干环拼出这个 $10^{10^{100}}$,也就是这些环的 $\gcd \mid 10$。 之后就不会了。 先正图反图两次 DFS,只留下 $1$ 所在强连通分量里的边,对正图跑 DFS 生成树,定义其深度从 $0$ 开始,然后有一个结论是:对于任何正整数 $a$,图 ......
题解 AtCoder-ABC AtCoder Return ABC

AtCoder Beginner Contest 174

# A - Air Conditioner ```cpp #include using namespace std; int main() { int x; cin >> x; if( x >= 30 ) cout using namespace std; #define int long long ......
Beginner AtCoder Contest 174