Submission #1275087

#	Time	Username	Problem	Language	Result	Execution time	Memory
1275087		k12_khoi	Sure Bet (CEOI17_sure)	C++17	0 / 100	0 ms	332 KiB

sure

#include <bits/stdc++.h>
using namespace std;

#define int long long

const int N=1e6+5;

int n; double res;
double a[N],b[N];

void ql(int i,double x,double y,int used)
{
    if (i>2*n)
    {
        res=max(res,min(x,y)-used);

        if (res==min(x,y)-used) cout << x << ' ' << y << ' ' << used << '\n';

        return;
    }

    ql(i+1,x,y,used);

    if (i<=n) ql(i+1,x+a[i],y,used+1);
    else ql(i+1,x,y+b[i-n],used+1);
}

signed main()
{
    ios_base::sync_with_stdio(NULL);
    cin.tie(NULL); cout.tie(NULL);

    cin >> n;

    for (int i=1;i<=n;i++)
    cin >> a[i] >> b[i];

    res=0;
    ql(1,0,0,0);

    cout << res << '\n';

    cout << setprecision(4) << fixed << res;
}

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