제출 #46504

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
46504		1Khan	Sure Bet (CEOI17_sure)	C++11	60 / 100	2062 ms	4300 KiB

sure

#include <bits/stdc++.h>

using namespace std;

#define Tupizm ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);

#define ONE exit(0);
#define nl "\n"

#define all(x) x.begin(0), x.end(0);
#define sz(x) (int)x.size();

#define pb push_back
#define ppb pop_back

typedef long long ll;
typedef double db;

const int N = 1e5 + 5;
const int M = 1e9 + 7;

int n;
double a[N], b[N];
double ans;
double c[N], d[N];
int main(){
    
    Tupizm
    
    cin >> n;
    for(int i = 1; i <= n; ++i){
        cin >> a[i] >> b[i];
    }
    sort(a + 1, a + n + 1);
    sort(b + 1, b + n + 1);
    for(int i = n; i >= 1; --i){
        c[i] = c[i + 1] + a[i];
        d[i] = d[i + 1] + b[i];
    }
    reverse(c + 1, c + n + 1);
    reverse(d + 1, d + n + 1);
    for(int i = 1; i <= n; ++i){
    }
    for(int i = 0; i <= n; ++i){
        for(int j = 0; j <= n; ++j){
            ans = max(ans, (double)(min(c[i], d[j]) - (i + j)));
        }
    }
    cout << fixed << setprecision(4) << (db)ans << nl;
    ONE
}

• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 0 / 40