제출 #854854

#제출 시각아이디문제언어결과실행 시간메모리
854854stdfloat은행 (IZhO14_bank)C++17
100 / 100
877 ms3228 KiB
#include <bits/stdc++.h> using namespace std; using ll = long long; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, m; cin >> n >> m; vector<int> a(n + 1), p(n + 1); for (int i = 1; i <= n; i++) { cin >> a[i]; p[i] = p[i - 1] + a[i]; } vector<int> b(m); for (auto &i : b) cin >> i; vector<vector<bool>> dp(n + 1, vector<bool>(1<<m)); for (int j = 0; j < 1<<m; j++) dp[0][j] = true; for (int j = 0; j < 1<<m; j++) { int sm = 0; for (int i = 0; i < m; i++) { if ((j>>i) & 1) sm += b[i]; } for (int i = 1; i <= n; i++) { if (sm == p[i] && dp[i - 1][j]) dp[i][j] = true; for (int k = 0; k < m; k++) { if (((j>>k) & 1) && dp[i][j - (1<<k)]) dp[i][j] = true; } } } cout << (count(dp[n].begin(), dp[n].end(), true) ? "YES" : "NO"); }
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