제출 #658072

#제출 시각아이디문제언어결과실행 시간메모리
658072Melika0gh은행 (IZhO14_bank)C++17
19 / 100
87 ms8412 KiB
#include<bits/stdc++.h> using namespace std; const int maxn = 22, maxb = (1 << maxn); int a[maxn], b[maxn], dp[maxb], left_val[maxb]; int n, m; int main() { cin >> n >> m; for(int i = 0; i < n; i++) cin >> a[i]; for(int i = 0; i < m; i++) cin >> b[i]; bool ch = 0; for(int mask = 1; mask < (1 << m); mask++) { dp[mask] = 0; //cout << mask << " : " << endl; for(int i = 0; i < m; i++) { if(((mask >> i) & 1)) { int mask2 = mask ^ (1 << i); int tmp = dp[mask2]; int val = left_val[mask2] + b[i]; if(val > a[tmp]) continue; // cout << mask2 << " , " << left_val[mask2] << endl; tmp += (val == a[tmp]); dp[mask] = tmp; left_val[mask] = (val == a[tmp]) ? 0 : val; } } if(dp[mask] == n) ch = true; } if(ch) cout << "YES" << '\n'; else cout << "NO" << '\n'; }
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