제출 #1308613

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1308613		Warinchai	Sure Bet (CEOI17_sure)	C++20	100 / 100	46 ms	2208 KiB

sure

#include<bits/stdc++.h>
#define int double
using namespace std;
int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;cin>>n;
    vector<int>f,s;
    for(int i=1;i<=n;i++){
        double a,b;cin>>a>>b;
        f.push_back(a);
        s.push_back(b);
    }
    sort(f.begin(),f.end(),greater<double>());
    sort(s.begin(),s.end(),greater<double>());
    int cf=0,cs=0;
    int sf=0,ss=0;
    int cnt=0;
    int ans=0;
    while(cf!=n||cs!=n){
        if(cf==n)ss+=s[cs++];
        else if(cs==n)sf+=f[cf++];
        else if(sf<ss)sf+=f[cf++];
        else ss+=s[cs++];
        cnt++;
        ans=max(ans,min(ss,sf)-cnt);
    }
    printf("%.4lf",(double)ans);
}

• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 40 / 40