# include <bits/stdc++.h>
# define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
// # define int long long
# define fi first
# define se second
using namespace std;
const int N = 2e6 + 7;
const int mod = 1e9 + 7;
// const int INF = 1e18 + 7;
int a[N], b[N], n, m;
bool used[25][N], dp[25][N];
vector < int > vc[25];
string ans = "NO";
bool rec( int i, int mask ) {
if ( i == 0 ) {
return 1;
}
if ( used[i][mask] ) {
return dp[i][mask];
}
used[i][mask] = 1;
for ( auto msk: vc[i] ) {
if ( (msk & mask) == msk ) {
int ok = rec( i - 1, mask ^ msk);
if ( ok ) {
dp[i][mask] = 1;
break;
}
}
}
return dp[i][mask];
}
int32_t main() {
speed;
cin >> n >> m;
for ( int i = 1; i <= n; i++ ) {
cin >> a[i];
}
for ( int i = 0; i < m; i++ ) {
cin >> b[i];
}
for ( int msk = 0; msk < (1 << m); msk++ ) {
int cnt = 0;
for ( int j = 0; j < m; j++ ) {
if ( (msk >> j) & 1 ) {
cnt += b[j];
}
}
for ( int i = 1; i <= n; i++ ) {
if ( cnt == a[i]) {
vc[i].push_back(msk);
}
}
}
if ( rec( n, (1 << m) - 1 ) ) {
cout << "YES\n";
}
else {
cout << "NO";
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
2 ms |
332 KB |
Output is correct |
5 |
Correct |
61 ms |
312 KB |
Output is correct |
6 |
Correct |
0 ms |
332 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
62 ms |
360 KB |
Output is correct |
9 |
Correct |
60 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
0 ms |
332 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
0 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
2 ms |
460 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
460 KB |
Output is correct |
10 |
Correct |
1 ms |
460 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
2 ms |
332 KB |
Output is correct |
5 |
Correct |
61 ms |
312 KB |
Output is correct |
6 |
Correct |
0 ms |
332 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
62 ms |
360 KB |
Output is correct |
9 |
Correct |
60 ms |
332 KB |
Output is correct |
10 |
Correct |
0 ms |
332 KB |
Output is correct |
11 |
Correct |
0 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
332 KB |
Output is correct |
13 |
Correct |
0 ms |
332 KB |
Output is correct |
14 |
Correct |
0 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
332 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
460 KB |
Output is correct |
23 |
Correct |
2 ms |
460 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
460 KB |
Output is correct |
29 |
Correct |
1 ms |
460 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
63 ms |
332 KB |
Output is correct |
32 |
Correct |
63 ms |
436 KB |
Output is correct |
33 |
Correct |
67 ms |
332 KB |
Output is correct |
34 |
Correct |
71 ms |
444 KB |
Output is correct |
35 |
Correct |
74 ms |
444 KB |
Output is correct |
36 |
Correct |
75 ms |
568 KB |
Output is correct |
37 |
Correct |
62 ms |
328 KB |
Output is correct |
38 |
Correct |
66 ms |
332 KB |
Output is correct |
39 |
Correct |
69 ms |
324 KB |
Output is correct |
40 |
Correct |
69 ms |
332 KB |
Output is correct |
41 |
Correct |
75 ms |
312 KB |
Output is correct |
42 |
Correct |
70 ms |
3792 KB |
Output is correct |
43 |
Correct |
69 ms |
2116 KB |
Output is correct |
44 |
Correct |
75 ms |
444 KB |
Output is correct |
45 |
Correct |
62 ms |
340 KB |
Output is correct |
46 |
Correct |
65 ms |
588 KB |
Output is correct |
47 |
Correct |
77 ms |
448 KB |
Output is correct |
48 |
Correct |
61 ms |
332 KB |
Output is correct |
49 |
Correct |
63 ms |
332 KB |
Output is correct |
50 |
Correct |
75 ms |
584 KB |
Output is correct |
51 |
Correct |
80 ms |
1260 KB |
Output is correct |
52 |
Correct |
158 ms |
4832 KB |
Output is correct |
53 |
Correct |
70 ms |
492 KB |
Output is correct |
54 |
Correct |
74 ms |
584 KB |
Output is correct |
55 |
Correct |
75 ms |
580 KB |
Output is correct |
56 |
Correct |
75 ms |
596 KB |
Output is correct |
57 |
Correct |
97 ms |
10836 KB |
Output is correct |
58 |
Correct |
74 ms |
592 KB |
Output is correct |