제출 #640824

#제출 시각아이디문제언어결과실행 시간메모리
640824phoenix은행 (IZhO14_bank)C++17
52 / 100
15 ms596 KiB
#include<bits/stdc++.h> using namespace std; const int N = 20; const int M = 14; int n, m; int a[ N ], b[ M ]; int w[(1 << M)], dp[(1 << M)]; int main() { ios::sync_with_stdio(0); cin.tie(0);cout.tie(0); cin >> n >> m; for(int i = 0;i < n;i++) cin >> a[ i ]; for(int i = 0;i < m;i++) cin >> b[ i ]; for(int msk = 1;msk < (1 << m);msk++) for(int i = 0;i < m;i++) if(msk & (1 << i)) w[ msk ] += b[ i ]; for(int msk = 1;msk < (1 << m);msk++) { for(int m = msk;m > 0;m = msk & (m - 1)) { dp[ msk ] = max(dp[ msk ], dp[(msk ^ m)] + (w[ m ] == a[ dp[(msk ^ m)] ])); } } cout << (dp[ (1 << m) - 1 ] == n ? "YES\n" : "NO\n"); }
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