A. Payment Without Change   #include<bits/stdc++.h> using namespace std; #define int long long #define N 100500 int arr[N]; signed main(){ int _; cin>>_; while(_--){ int a,b,n,s; cin>>a>>b>>n>>s; int y=s/n; int x=min(a,…

Codeforces Round #598 (Div. 3)- E. Yet Another Division Into Teams - 动态规划 [Problem Description] 给你\(n\)个数,将其划分为多组,对于每个组定义其\(d\)值为 组内的最大值减最小值,问如何划分使得最终所有组的\(d\)值之和最小.每个组至少要保证有\(3\)个数. [Solution] 将所有值从小到大排序,然后我们知道最多有\(5\)个人划分到同一组中,如果有\(6\)个人,那么划分为两组一定比…

Codeforces Round #267 (Div. 2) C. George and Job题目链接请点击~ The new ITone 6 has been released recently and George got really keen to buy it. Unfortunately, he didn't have enough money, so George was going to work as a programmer. Now he faced the follow…

Codeforces Round 363 Div. 1 题目链接:## 点击打开链接 A. Vacations (1s, 256MB) 题目大意:给定连续 \(n\) 天,每天为如下四种状态之一: 不能进行运动或比赛 可以进行运动但不能比赛 可以进行比赛但不能运动 可以进行比赛或运动 对于每天,可以根据当天的状态选择运动,比赛或休息.但不能连续两天的选择均为运动或均为比赛.求在这 \(n\) 天中最少需要休息多少天. 数据范围:\(n \leq 100\) 简要题解:令 \(f_{i,0},f_…

https://codeforces.com/contest/1256 A:Payment Without Change[思维] 题意:给你a个价值n的物品和b个价值1的物品,问是否存在取物方案使得价值为s 题解:min(s/n,a)*n+b>=s?YES:NO #include<iostream> #include<cstdio> #include<cstdlib> #include<cmath> #include<algorithm>…

题:https://codeforces.com/contest/1256/problem/E 题意:给一些值,代表队员的能力值,每组要分3个或3个以上的人,然后有个评价值x=(队里最大值-最小值),问最小的∑x是多少,以及输出方案 学习粗:https://www.cnblogs.com/Lubixiaosi-Zhaocao/p/11797744.html dp路径转移 #include<bits/stdc++.h> using namespace std; ; struct node{ in…

传送门 A. Payment Without Change 签到. Code /* * Author: heyuhhh * Created Time: 2019/11/4 21:19:19 */ #include <bits/stdc++.h> #define MP make_pair #define fi first #define se second #define sz(x) (int)(x).size() #define all(x) (x).begin(), (x).end() #d…

F. Equalizing Two Strings You are given two strings s and t both of length n and both consisting of lowercase Latin letters. In one move, you can choose any length len from 1 to n and perform the following operation: Choose any contiguous substring o…

E. Yet Another Division Into Teams There are n students at your university. The programming skill of the i-th student is ai. As a coach, you want to divide them into teams to prepare them for the upcoming ICPC finals. Just imagine how good this unive…

D. Binary String Minimizing You are given a binary string of length n (i. e. a string consisting of n characters '0' and '1'). In one move you can swap two adjacent characters of the string. What is the lexicographically minimum possible string you c…