제출 #683252

#제출 시각아이디문제언어결과실행 시간메모리
683252maks007은행 (IZhO14_bank)C++14
100 / 100
482 ms180976 KiB
#include "bits/stdc++.h" using namespace std; #define int long long signed main () { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; vector<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]; vector<int> g[n]; for(int mask = 0; mask < (1 << m); mask ++) { int sum = 0; for(int i = 0; i < m; i ++) { if(mask & (1 << i)) sum += b[i]; } for(int i = 0; i < n; i ++) { if(sum == a[i]) g[i].push_back(mask); } } vector <vector <int>> dp(n+1, vector <int> (1 << m, 0)); dp[0][0]=1; for(int i = 0; i < n; i ++) { for(int mask = 0; mask < (1 << m); mask ++) { if(dp[i][mask]) { for(auto j : g[i]) { if(mask & j) continue; dp[i+1][mask^j]=1; } } } } if(count(dp[n].begin(),dp[n].end(),1)) cout << "YES"; else cout << "NO"; return 0; }
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