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Submission #954099

# Submission time Handle Problem Language Result Execution time Memory
954099 2024-03-27T09:30:32 Z Ariadna Bank (IZhO14_bank) C++14
25 / 100
 1000 ms 262144 KB 
#include <bits/stdc++.h>
#define mp make_pair

using namespace std;

bool pay(int n, int m, vector<int>& a, vector<int>& b) {
    if (m < n) return false;

    vector<bool> dp(n);
    int mask = 0;
    queue<pair<int, pair<int, int>>> q;
    q.push(mp(0, mp(0, a[0])));
    while (!q.empty()) {
        int mask = q.front().first;
        int index = q.front().second.first;
        int sum = q.front().second.second;
        q.pop();

        for (int i = 0; i < m; ++i) {
            if (!(mask & (1<<i))) {
                if (b[i] < sum) {
                    q.push(mp(mask | (1<<i), mp(index, sum - b[i])));
                } else if (b[i] == sum) {
                    dp[index] = true;
                    if (index+1 < n) q.push(mp(mask | (1<<i), mp(index+1, a[index+1])));
                }
            }
        }
    }
    return dp[n-1];
}

int main() {
    int n, m;
    cin >> n >> m;
    vector<int> a(n), b(m);
    for (int i = 0; i < n; ++i) cin >> a[i];
    for (int j = 0; j < m; ++j) cin >> b[j];
    if (pay(n, m, a, b)) cout << "YES\n";
    else cout << "NO\n";

    return 0;
}

Compilation message

bank.cpp: In function 'bool pay(int, int, std::vector<int>&, std::vector<int>&)':
bank.cpp:10:9: warning: unused variable 'mask' [-Wunused-variable]
   10 |     int mask = 0;
      |         ^~~~

Subtask #1
0 / 19.0

# 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 2 ms 604 KB Output is correct
4 Execution timed out 1082 ms 180036 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 2396 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 7 ms 1716 KB Output is correct
4 Correct 1 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 7 ms 1716 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Runtime error 630 ms 262144 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# 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 2 ms 604 KB Output is correct
4 Execution timed out 1082 ms 180036 KB Time limit exceeded
5 Halted 0 ms 0 KB -