Submission #1248421

#	Time	Username	Problem	Language	Result	Execution time	Memory
1248421		Jovica	Sure Bet (CEOI17_sure)	C++20	0 / 100	0 ms	324 KiB

sure

#include <bits/stdc++.h>

using namespace std;
int const maxn = 1e5+1;
vector<double> A,B;

int main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    for (int i=0;i<n;i++){
        double a,b;
        cin>>a>>b;
        A.push_back(a);B.push_back(b);
    }

    sort(A.begin(),A.end());sort(B.begin(),B.end());reverse(A.begin(),A.end());reverse(B.begin(),B.end());

    int p1 = 0,p2 = 0;
    double odg = 0.0,an1 = 0.0,an2 = 0.0;
    while (p1<n || p2<n)
    {
        if (p1 == n || an2<=an1){
            an2 += B[p2];
            p2++;
        }
        else if (p2 == n || an1<=an2){
            an1 += A[p1];
            p1++;
        }
        double k = p1+p2;
        odg = max(odg, min(an1,an2)-k);
        //cout<<"p1 = "<<p1<<" p2 = "<<p2<<endl;
    }

    printf("%.4lf",(double)odg);
    return 0;
}

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