Submission #594018

#	Time	Username	Problem	Language	Result	Execution time	Memory
594018		leroycut	Bank (IZhO14_bank)	C++17	19 / 100	63 ms	5356 KiB

bank

#include <bits/stdc++.h>
 
using namespace std;
using ll = long long;
using ld = long double;
 
const int N = 100003, mod = 1e9 + 7, inf = 1e9 + 7;

bool dp[21][(1 << 21)];

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

    int n, m;
    cin >> n >> m;
    vector<int> vn(n), vm(m), sum((1 << m));

    for(int i = 0; i < n; ++i){
        cin >> vn[i];
    }
    for(int j = 0; j < m; ++j){
        cin >> vm[j];
    }

    for(int s = 1; s < (1 << m); ++s){
        for(int i = 0; i < m; ++i){
            if((s & (1 << i))) sum[s] += vm[i];
        }
        if(sum[s] == vn[0]) dp[0][s] = true;
    }

    for(int i = 1; i < n; ++i){
        for(int s = 1; s < (1 << m); ++s){
            if(sum[s] == vn[i]){
                if(dp[i - 1][(1 << m) - 1 - s]){
                    dp[i][s] = true;
                }
            }
        }
    }

    bool ans = false;
    for(int s = 1; s < (1 << m); ++s){
        if(dp[n - 1][s]){
            ans = true;
        }
    }

    if(ans){
        cout << "YES";
    }
    else{
        cout << "NO";
    }
}

• Subtask 1: 19 / 19
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29