Submission #1090867

#	Time	Username	Problem	Language	Result	Execution time	Memory
1090867		vjudge1	Bank (IZhO14_bank)	C++17	100 / 100	582 ms	82528 KiB

bank

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using pii = pair<int,int>;
using tii = tuple<int,int,int>;

const int maxn = 2e1;

int n,m,s[maxn],c[maxn],dp[maxn][1 << maxn];

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    cin >> n >> m;
    
    for(int i = 0;i < n;i++) cin >> s[i];
    
    for(int i = 0;i < m;i++) cin >> c[i];
    
    memset(dp,-1,sizeof dp);

    dp[0][0] = 0;
    
    for(int i = 0;i < n;i++)
        for(int mask = 0;mask < (1 << m);mask++)
            if(dp[i][mask] != -1){
                if(dp[i][mask] == s[i]){
                    if(i == n - 1){
                        cout << "YES";
                        return 0;
                    }
                    else dp[i + 1][mask] = 0;
                }
                for(int j = 0;j < m;j++)
                    if(!(mask & (1 << j))) dp[i][mask | (1 << j)] = dp[i][mask] + c[j];
            }
    
    cout << "NO";

    return 0;
}

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