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Submission #169696

# Submission time Handle Problem Language Result Execution time Memory
169696 2019-12-22T10:43:44 Z apostoldaniel854 Sure Bet (CEOI17_sure) C++14
100 / 100
 104 ms 3832 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
#define pb push_back
#define dbg(x) cerr << #x << " " << x << "\n"

const int N = 1e5;
double a[1 + N], b[1 + N];


int main () {
    ios::sync_with_stdio (false);
    cin.tie (0); cout.tie (0);
    int n;

    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> a[i] >> b[i];
    sort (a + 1, a + n + 1);
    reverse (a + 1, a + n + 1);
    sort (b + 1, b + n + 1);
    reverse (b + 1, b + n + 1);
    double suma = 0, sumb = 0;
    double ans = 0;
    int cura = 0, curb = 0;
    for (int i = 1; i <= n * 2; i++) {
        if ((suma < sumb || curb == n) && cura != n)
            suma += a[++cura];
        else
            sumb += b[++curb];
        ans = max (ans, min (suma, sumb) - i);
    }
    cout << fixed << setprecision (4) << ans << "\n";
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 276 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 276 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 96 ms 3300 KB Output is correct
18 Correct 96 ms 3212 KB Output is correct
19 Correct 96 ms 3192 KB Output is correct
20 Correct 96 ms 3228 KB Output is correct
21 Correct 104 ms 3576 KB Output is correct
22 Correct 98 ms 3320 KB Output is correct
23 Correct 97 ms 3192 KB Output is correct
24 Correct 94 ms 3320 KB Output is correct
25 Correct 96 ms 3320 KB Output is correct
26 Correct 104 ms 3832 KB Output is correct