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Submission #870248

# Submission time Handle Problem Language Result Execution time Memory
870248 2023-11-07T11:05:36 Z faruk Ice Hockey World Championship (CEOI15_bobek) C++17
100 / 100
 433 ms 10760 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define all(a) a.begin(), a.end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int N; ll M;
    cin >> N >> M;
    int n = N / 2, m = N - n;
    vector<ll> s1(n), s2(m);
    for (int i = 0; i < n; i++)
        cin >> s1[i];
    for (int j = 0; j < m; j++)
        cin >>s2[j];
    
    vector<ll> all_sums;
    for (int i = 0; i < (1 << n); i++) {
        ll s = 0;
        for (int j = 0; j < n; j++)
            if ((i & (1 << j)) != 0)
                s += s1[j];
        all_sums.push_back(s);
    }
    sort(all(all_sums));
    ll out = 0;
    for (int i = 0; i < (1 << m); i++) {
        ll s = 0;
        for (int j = 0; j < m; j++)
            if ((i & (1 << j)) != 0)
                s += s2[j];
        out += upper_bound(all(all_sums), M - s) - all_sums.begin();
    }

    cout << out << "\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 992 KB Output is correct
2 Correct 85 ms 2520 KB Output is correct
3 Correct 379 ms 9924 KB Output is correct
4 Correct 85 ms 2520 KB Output is correct
5 Correct 13 ms 988 KB Output is correct
6 Correct 6 ms 736 KB Output is correct
7 Correct 12 ms 992 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 1500 KB Output is correct
2 Correct 27 ms 988 KB Output is correct
3 Correct 162 ms 6672 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 6 ms 736 KB Output is correct
6 Correct 12 ms 992 KB Output is correct
7 Correct 12 ms 992 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 1500 KB Output is correct
2 Correct 133 ms 2520 KB Output is correct
3 Correct 134 ms 2540 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 75 ms 2452 KB Output is correct
6 Correct 211 ms 10760 KB Output is correct
7 Correct 71 ms 2516 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 284 ms 5332 KB Output is correct
2 Correct 26 ms 992 KB Output is correct
3 Correct 8 ms 736 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 7 ms 736 KB Output is correct
6 Correct 156 ms 4672 KB Output is correct
7 Correct 13 ms 992 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 992 KB Output is correct
2 Correct 78 ms 2520 KB Output is correct
3 Correct 7 ms 736 KB Output is correct
4 Correct 8 ms 736 KB Output is correct
5 Correct 92 ms 2496 KB Output is correct
6 Correct 17 ms 992 KB Output is correct
7 Correct 218 ms 9948 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 341 ms 9924 KB Output is correct
2 Correct 27 ms 992 KB Output is correct
3 Correct 8 ms 736 KB Output is correct
4 Correct 433 ms 9580 KB Output is correct
5 Correct 111 ms 6608 KB Output is correct
6 Correct 12 ms 992 KB Output is correct
7 Correct 25 ms 1504 KB Output is correct