#include <bits/stdc++.h>
using namespace std;
const int mxn = 21;
const int mxa = 1010;
vector<int> bit[mxa * mxn];
int sum[1 << mxn];
int n, a[mxn];
int m, b[mxn];
int dp[mxn][1 << mxn];
int solve(int i, int cur) {
if(i == 0) return 1;
if(dp[i][cur] > -1) return dp[i][cur];
int val = a[i];
dp[i][cur] = 0;
for(int las : bit[val]) {
bool sus = ((cur | las) == cur);
if(sus && solve(i - 1, cur ^ las))
dp[i][cur] = 1;
}
return dp[i][cur];
}
int main() {
cin >> n >> m;
for(int i = 1; i <= n; i++) cin >> a[i];
for(int j = 0; j < m; j++) cin >> b[j];
for(int cur = 0; cur < (1 << m); cur++) {
int sus, prv;
for(sus = 0; sus < m; sus++)
if(cur & (1 << sus)) break;
prv = cur ^ (1 << sus);
sum[cur] = sum[prv] + b[sus];
bit[sum[cur]].push_back(cur);
}
for(int i = 0; i < mxn; i++)
for(int cur = 0; cur < (1 << mxn); cur++)
dp[i][cur] = -1;
if(solve(n, (1 << m) - 1)) cout << "YES\n";
else cout << "NO\n";
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
35 ms |
175184 KB |
Output is correct |
| 2 |
Correct |
28 ms |
175184 KB |
Output is correct |
| 3 |
Correct |
25 ms |
175224 KB |
Output is correct |
| 4 |
Correct |
26 ms |
175448 KB |
Output is correct |
| 5 |
Correct |
38 ms |
185424 KB |
Output is correct |
| 6 |
Correct |
26 ms |
175188 KB |
Output is correct |
| 7 |
Correct |
27 ms |
175184 KB |
Output is correct |
| 8 |
Correct |
35 ms |
184912 KB |
Output is correct |
| 9 |
Correct |
35 ms |
185172 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
27 ms |
175196 KB |
Output is correct |
| 2 |
Correct |
26 ms |
175184 KB |
Output is correct |
| 3 |
Correct |
27 ms |
175328 KB |
Output is correct |
| 4 |
Correct |
26 ms |
175196 KB |
Output is correct |
| 5 |
Correct |
26 ms |
175184 KB |
Output is correct |
| 6 |
Correct |
26 ms |
175192 KB |
Output is correct |
| 7 |
Correct |
26 ms |
175188 KB |
Output is correct |
| 8 |
Correct |
27 ms |
175184 KB |
Output is correct |
| 9 |
Correct |
26 ms |
175188 KB |
Output is correct |
| 10 |
Correct |
26 ms |
175196 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
27 ms |
175444 KB |
Output is correct |
| 2 |
Correct |
27 ms |
175448 KB |
Output is correct |
| 3 |
Correct |
28 ms |
175440 KB |
Output is correct |
| 4 |
Correct |
26 ms |
175440 KB |
Output is correct |
| 5 |
Correct |
30 ms |
175448 KB |
Output is correct |
| 6 |
Correct |
26 ms |
175448 KB |
Output is correct |
| 7 |
Correct |
26 ms |
175460 KB |
Output is correct |
| 8 |
Correct |
27 ms |
175440 KB |
Output is correct |
| 9 |
Correct |
26 ms |
175448 KB |
Output is correct |
| 10 |
Correct |
27 ms |
175440 KB |
Output is correct |
| 11 |
Correct |
27 ms |
175184 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
35 ms |
175184 KB |
Output is correct |
| 2 |
Correct |
28 ms |
175184 KB |
Output is correct |
| 3 |
Correct |
25 ms |
175224 KB |
Output is correct |
| 4 |
Correct |
26 ms |
175448 KB |
Output is correct |
| 5 |
Correct |
38 ms |
185424 KB |
Output is correct |
| 6 |
Correct |
26 ms |
175188 KB |
Output is correct |
| 7 |
Correct |
27 ms |
175184 KB |
Output is correct |
| 8 |
Correct |
35 ms |
184912 KB |
Output is correct |
| 9 |
Correct |
35 ms |
185172 KB |
Output is correct |
| 10 |
Correct |
27 ms |
175196 KB |
Output is correct |
| 11 |
Correct |
26 ms |
175184 KB |
Output is correct |
| 12 |
Correct |
27 ms |
175328 KB |
Output is correct |
| 13 |
Correct |
26 ms |
175196 KB |
Output is correct |
| 14 |
Correct |
26 ms |
175184 KB |
Output is correct |
| 15 |
Correct |
26 ms |
175192 KB |
Output is correct |
| 16 |
Correct |
26 ms |
175188 KB |
Output is correct |
| 17 |
Correct |
27 ms |
175184 KB |
Output is correct |
| 18 |
Correct |
26 ms |
175188 KB |
Output is correct |
| 19 |
Correct |
26 ms |
175196 KB |
Output is correct |
| 20 |
Correct |
27 ms |
175444 KB |
Output is correct |
| 21 |
Correct |
27 ms |
175448 KB |
Output is correct |
| 22 |
Correct |
28 ms |
175440 KB |
Output is correct |
| 23 |
Correct |
26 ms |
175440 KB |
Output is correct |
| 24 |
Correct |
30 ms |
175448 KB |
Output is correct |
| 25 |
Correct |
26 ms |
175448 KB |
Output is correct |
| 26 |
Correct |
26 ms |
175460 KB |
Output is correct |
| 27 |
Correct |
27 ms |
175440 KB |
Output is correct |
| 28 |
Correct |
26 ms |
175448 KB |
Output is correct |
| 29 |
Correct |
27 ms |
175440 KB |
Output is correct |
| 30 |
Correct |
27 ms |
175184 KB |
Output is correct |
| 31 |
Correct |
36 ms |
185680 KB |
Output is correct |
| 32 |
Correct |
92 ms |
185168 KB |
Output is correct |
| 33 |
Correct |
36 ms |
185424 KB |
Output is correct |
| 34 |
Correct |
39 ms |
185684 KB |
Output is correct |
| 35 |
Correct |
40 ms |
186704 KB |
Output is correct |
| 36 |
Correct |
39 ms |
186296 KB |
Output is correct |
| 37 |
Correct |
40 ms |
186452 KB |
Output is correct |
| 38 |
Correct |
37 ms |
186244 KB |
Output is correct |
| 39 |
Correct |
46 ms |
183972 KB |
Output is correct |
| 40 |
Correct |
36 ms |
186196 KB |
Output is correct |
| 41 |
Correct |
42 ms |
185424 KB |
Output is correct |
| 42 |
Correct |
37 ms |
184656 KB |
Output is correct |
| 43 |
Correct |
36 ms |
186456 KB |
Output is correct |
| 44 |
Correct |
41 ms |
186576 KB |
Output is correct |
| 45 |
Correct |
36 ms |
185496 KB |
Output is correct |
| 46 |
Correct |
37 ms |
186448 KB |
Output is correct |
| 47 |
Correct |
38 ms |
186292 KB |
Output is correct |
| 48 |
Correct |
33 ms |
184916 KB |
Output is correct |
| 49 |
Correct |
35 ms |
185216 KB |
Output is correct |
| 50 |
Correct |
40 ms |
184212 KB |
Output is correct |
| 51 |
Correct |
52 ms |
184916 KB |
Output is correct |
| 52 |
Correct |
92 ms |
184244 KB |
Output is correct |
| 53 |
Correct |
73 ms |
183964 KB |
Output is correct |
| 54 |
Correct |
42 ms |
184220 KB |
Output is correct |
| 55 |
Correct |
41 ms |
184216 KB |
Output is correct |
| 56 |
Correct |
61 ms |
184040 KB |
Output is correct |
| 57 |
Correct |
56 ms |
184224 KB |
Output is correct |
| 58 |
Correct |
64 ms |
184244 KB |
Output is correct |
