#include <bits/stdc++.h>
using namespace std;
#define int long long
#define N 500005
int tc = 1, n, a[N], m, b[N], dp[21][(1<<20)];
int32_t main() {
ios::sync_with_stdio(0);cin.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 i = 0;i < (1<<m); i++) {
dp[0][i] = 1;
}
for(int i = 1; i <= n; i++) {
for(int j = 0; j < (1<<m); j++) {
int sm = 0;
for(int k = 0;k < m; k++) {
if(((j >> k) & 1)) sm +=b[k] ;
}
if(a[i] == sm) {
dp[i][j] = dp[i - 1][((1 << m)-1) ^ j];
}
}
}
bool ok = 0;
for(int i = 0; i< (1<<m); i++) {
if(dp[n][i]) {
ok = 1;
break;
}
}
cout <<(ok == 1? "YES\n" : "NO\n");
return 0;
}
| # | Verdict | Execution time | Memory | Grader output |
|---|
| Fetching results... |
| # | Verdict | Execution time | Memory | Grader output |
|---|
| Fetching results... |
| # | Verdict | Execution time | Memory | Grader output |
|---|
| Fetching results... |
| # | Verdict | Execution time | Memory | Grader output |
|---|
| Fetching results... |