제출 #550226

#제출 시각아이디문제언어결과실행 시간메모리
550226Jomnoi은행 (IZhO14_bank)C++17
100 / 100
114 ms8528 KiB
#include <bits/stdc++.h> #define DEBUG false using namespace std; const int MAX_N = 20; int a[MAX_N], b[MAX_N]; pair <int, int> dp[1<<MAX_N], tmp; int main() { cin.tie(nullptr)->sync_with_stdio(false); int N, M; 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 i = 0; i < (1<<M); i++) { dp[i] = make_pair(-1, -1); } dp[0] = make_pair(0, 0); for(int mask = 0; mask < (1<<M); mask++) { for(int i = 0; i < M; i++) { int prev = mask ^ (1<<i); if(!(mask & (1<<i)) or dp[prev].first == -1) { continue; } tmp = dp[prev]; if(tmp.second + b[i] > a[dp[prev].first]) { continue; } tmp.second += b[i]; if(tmp.second == a[dp[prev].first]) { tmp.first++; tmp.second = 0; } dp[mask] = tmp; if(tmp.first == N) { cout << "YES"; return 0; } } } cout << "NO"; return 0; }
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