Submission #491009

# Submission time Handle Problem Language Result Execution time Memory
491009 2021-11-30T03:39:14 Z duchung Sure Bet (CEOI17_sure) C++17
60 / 100
74 ms 1916 KB
#include<bits/stdc++.h>
using namespace std;

const int N = 1e5 + 5;

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

int main()
{
    // freopen(".inp","r",stdin);
    // freopen(".out","w",stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> n;
    for (int i = 1 ; i <= n ; ++i) cin >> a[i] >> b[i];
    sort(a + 1 , a + n + 1 , greater<double> {});
    sort(b + 1 , b + n + 1 , greater<double> {});

    double sumA = 0 , sumB = 0 , ans = 0;
    int ptA = 0 , ptB = 0;
    for (int i = 1 ; i <= 2 * n ; ++i)
    {
        if (sumA <= sumB && ptA + 1 <= n)
        {
            sumA += a[++ptA];
        }
        else
        {
            sumB += b[++ptB];
        }
        ans = max(ans , min(sumA , sumB) - i);
    }
    cout << fixed << setprecision(4) << ans;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 68 ms 1856 KB Output is correct
18 Correct 68 ms 1916 KB Output is correct
19 Correct 66 ms 1792 KB Output is correct
20 Correct 67 ms 1856 KB Output is correct
21 Incorrect 74 ms 1816 KB Output isn't correct
22 Halted 0 ms 0 KB -