人生第一场 AtCoder,纪念一下 话说年后的 AtCoder 比赛怎么这么少啊(大雾 AtCoder Beginner Contest 154 题解 A - Remaining Balls We have A balls with the string S written on each of them and B balls with the string T written on each of them. From these balls, Takahashi chooses one…

目录 AtCoder Beginner Contest 153 题解 A - Serval vs Monster 题意 做法 程序 B - Common Raccoon vs Monster 题意 做法 程序 C - Fennec vs Monster 做法 程序 D - Caracal vs Monster 做法 程序 E - Crested Ibis vs Monster 做法 程序 F - Silver Fox vs Monster 做法 程序 感谢 AtCoder Beginner Co…

AtCoder Beginner Contest 177 题解 目录 AtCoder Beginner Contest 177 题解 A - Don't be late B - Substring C - Sum of product of pairs D - Friends E - Coprime F - I hate Shortest Path Problem A - Don't be late 问你能不能在时间\(T\)内用不高于\(S\)的速度走过\(D\)的路程,转化为判断\(ST\)…

AtCoder Beginner Contest 184 题解 目录 AtCoder Beginner Contest 184 题解 A - Determinant B - Quizzes C - Super Ryuma D - increment of coins E - Third Avenue F - Programming Contest 这把怎么感觉题目都比以往的ABC水啊,拜此所赐我只是程序写得慢就排名狂掉( A - Determinant 求二阶矩阵的行列式,是小学常见自定义题目(…

AtCoder Beginner Contest 173 题解 目录 AtCoder Beginner Contest 173 题解 A - Payment B - Judge Status Summary C - H and V D - Chat in a Circle E - Multiplication 4 F - Intervals on Tree A - Payment 首先我们可以把所有不用找零的部分都付掉,这样就只剩下了\(A \mod 1000\)这样一个"\(A\)除以\(10…

AtCoder Beginner Contest 172 题解 目录 AtCoder Beginner Contest 172 题解 A - Calc B - Minor Change C - Tsundoku D - Sum of Divisors E - NEQ F - Unfair Nim A - Calc 程序如下(真的有人需要嘛): #include<bits/stdc++.h> using namespace std; int main(){ ios::sync_with_stdi…

AtCoder Beginner Contest 169 题解 这场比赛比较简单,证明我没有咕咕咕的时候到了! A - Multiplication 1 没什么好说的,直接读入两个数输出乘积就好了. #include<bits/stdc++.h> using namespace std; int main(){ int a,b; cin>>a>>b; cout<<a*b; return 0; } B - Multiplication 2 让你连乘,同时在答案…

目录 AtCoder Beginner Contest 148 题解 前言 A - Round One 题意 做法 程序 B - Strings with the Same Length 题意 做法 程序 C - Snack 题意 做法 程序 D - Brick Break 题意 做法 程序 E - Double Factorial 题意 做法 程序 F - Playing Tag on Tree 题意 做法 程序 结束语 AtCoder Beginner Contest 148 题解 前言 包…

总的来说,这次的题目比较水,然而菜菜的我并没有把所有题目都做完,话不多说,直接来干货: A:Next Alphabet 题目链接:https://atcoder.jp/contests/abc151/tasks/abc151_a 题目描述:Given is a lowercase English letter C that is not z. Print the letter that follows C in alphabetical order. 大致解读:给你一个小写字母,输出这个小写字母…

题目链接:https://abc115.contest.atcoder.jp/ A Christmas Eve Eve Eve 题目: Time limit : 2sec / Memory limit : 1024MB Score : 100 points Problem Statement In some other world, today is December D-th. Write a program that prints Christmas if D=25, Christmas E…