要准备N组食物, 他有2N的食材, 需要两两组成一个食物, 食物的价值是两食材中较小的那个. 问最大总价值是多少 ---------- 考虑到\(ans = (sum - delta)/2\),只需要最小化\(delta\),于是排序即可 算是个比较经典的思路吧(我都没反应过来) #include <bits/stdc++.h> using namespace std; int n,a[205]; int main() { cin>>n; for(int i=1;i<=2*n…

目录 题目链接 题解 代码 题目链接 AGC01 A - BBQ Easy 题解 贪心 排序之后从大到小,没两组取小的那个 代码 #include<cstdio> #include<iostream> #include<algorithm> using namespace std; int a[207]; int main() { int ans = 0; int n; cin >> n; for(int i = 1;i <= n << 1…

A. Points and Segments (easy) Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/430/problem/A Description Iahub isn't well prepared on geometry problems, but he heard that this year there will be a lot of geometry problems on…

Score : 200 points Problem Statement Snuke is having a barbeque party. At the party, he will make N servings of Skewer Meal. Example of a serving of Skewer Meal He has a stock of 2N skewers, all of which will be used in Skewer Meal. The length of the…

AGC001 A BBQ Easy 贪心. https://agc001.contest.atcoder.jp/submissions/7856034 B Mysterious Light 很nb这个题 不好做,设\(f(a,b)\)表示边长为\(a,b\),一个角为\(60\)度的平行四边形从\(120\)度的角平分线处出发能走的路程,转移是一个递归,复杂度证明类似\(\gcd\). https://agc001.contest.atcoder.jp/submissions/7856746 C…

HDU 4974 A simple water problem pid=4974" target="_blank" style="">题目链接 签到题,非常easy贪心得到答案是(sum + 1) / 2和ai最大值的最大值 代码: #include <cstdio> #include <cstring> #include <algorithm> using namespace std; const int N =…

这个帖子,是在自己学知识点累了的时候就看看\(AGC\)的题目来休息. 而且白天上课可以做( AGC-001 \(A\ BBQ Easy\) 考虑从小到大排,相邻两个取为一对. BBQ Easy #include<iostream> #include<cstdio> #include<algorithm> #define ll long long #define N 100000 ll n; ll num[N],ans; int main(){ scanf("…

AGC001 A - BBQ Easy 从第\(2n - 1\)个隔一个加一下加到1即可 #include <bits/stdc++.h> #define fi first #define se second #define pii pair<int,int> #define mp make_pair #define pb push_back #define space putchar(' ') #define enter putchar('\n') #define eps 1e-…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 把自己刷过的所有题目做一个整理,并且用简洁的语言概括了一下思路,汇总成了一个表格. 题目的排列顺序是按照先Easy再Medium再Hard排列的,暂时还没有把题目全部整理完成.后序我会把刷过的所有的题目都整理到这个文档里. 题目 难度 解法 题目地址 566. Reshape the Matrix Easy 变长数组,求余法,维护行列计算在新的数组中的位置 https://blog.c…

An Easy Problem Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8333   Accepted: 4986 Description As we known, data stored in the computers is in binary form. The problem we discuss now is about the positive integers and its binary form.…