Submission #571309

#	Time	Username	Problem	Language	Result	Execution time	Memory
571309		Karuk	Bank (IZhO14_bank)	C++14	100 / 100	96 ms	8588 KiB

bank

#include<bits/stdc++.h>
using namespace std;
int ans[(1<<20)],res[(1<<20)];
int main() {
    int n,m;
    cin>>n>>m;
    int a[n],b[m];
    for(int i=0;i<n;i++)cin>>a[i];
    for(int i=0;i<m;i++)cin>>b[i];
    for(int i=0;i<(1<<m);i++) {
        for(int j=0;j<m;j++) {
            if(!((1<<j)&i)){
                int c=ans[i],d=res[i];
                d+=b[j];
                if(d==a[c]){c++;d=0;}
                //cout<<i<<' '<<j<<' '<<c<<' '<<d<<endl;
                if(c==n){cout<<"YES";return 0;}
                if(ans[(1<<j)|i]<=c){ans[(1<<j)|i]=c;res[(1<<j)|i]=d;}
            }
        }
    }
    cout<<"NO";
    return 0;
}

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