#include <bits/stdc++.h>
using namespace std;
const int maxN = 20;
const int maxA = 1e3 + 20;
int A[maxN];
int B[maxN];
vector<int> masks[maxA];
bool flag[maxN][1 << maxN];
int N, M;
void backtrack(int pos, int cur) {
if (pos == N) {
cout << "YES";
exit(0);
}
if (flag[pos][cur]) {
return;
}
flag[pos][cur] = true;
for (auto mask: masks[A[pos]]) {
if (!(cur & mask)) {
backtrack(pos + 1, cur | mask);
}
}
}
int main() {
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 mask = 0; mask < (1 << M); mask++) {
int sum = 0;
for (int i = 0; i < M; i++) {
if ((mask >> i) & 1) {
sum += B[i];
}
}
if (sum < maxA) {
masks[sum].push_back(mask);
}
}
backtrack(0, 0);
cout << "NO";
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
2 ms |
468 KB |
Output is correct |
| 5 |
Correct |
52 ms |
6620 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
50 ms |
5712 KB |
Output is correct |
| 9 |
Correct |
51 ms |
6160 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
468 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
2 ms |
468 KB |
Output is correct |
| 5 |
Correct |
52 ms |
6620 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
50 ms |
5712 KB |
Output is correct |
| 9 |
Correct |
51 ms |
6160 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
0 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
340 KB |
Output is correct |
| 16 |
Correct |
0 ms |
340 KB |
Output is correct |
| 17 |
Correct |
0 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
0 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
468 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
57 ms |
5836 KB |
Output is correct |
| 32 |
Correct |
54 ms |
5976 KB |
Output is correct |
| 33 |
Correct |
47 ms |
1116 KB |
Output is correct |
| 34 |
Correct |
48 ms |
316 KB |
Output is correct |
| 35 |
Correct |
50 ms |
336 KB |
Output is correct |
| 36 |
Correct |
46 ms |
336 KB |
Output is correct |
| 37 |
Correct |
47 ms |
476 KB |
Output is correct |
| 38 |
Correct |
48 ms |
392 KB |
Output is correct |
| 39 |
Correct |
51 ms |
5244 KB |
Output is correct |
| 40 |
Correct |
52 ms |
2260 KB |
Output is correct |
| 41 |
Correct |
47 ms |
852 KB |
Output is correct |
| 42 |
Correct |
57 ms |
9180 KB |
Output is correct |
| 43 |
Correct |
48 ms |
2944 KB |
Output is correct |
| 44 |
Correct |
46 ms |
328 KB |
Output is correct |
| 45 |
Correct |
52 ms |
6492 KB |
Output is correct |
| 46 |
Correct |
48 ms |
3656 KB |
Output is correct |
| 47 |
Correct |
46 ms |
340 KB |
Output is correct |
| 48 |
Correct |
56 ms |
5944 KB |
Output is correct |
| 49 |
Correct |
52 ms |
6236 KB |
Output is correct |
| 50 |
Correct |
53 ms |
5400 KB |
Output is correct |
| 51 |
Correct |
59 ms |
6256 KB |
Output is correct |
| 52 |
Correct |
54 ms |
5144 KB |
Output is correct |
| 53 |
Correct |
52 ms |
5140 KB |
Output is correct |
| 54 |
Correct |
51 ms |
5356 KB |
Output is correct |
| 55 |
Correct |
51 ms |
5400 KB |
Output is correct |
| 56 |
Correct |
51 ms |
5696 KB |
Output is correct |
| 57 |
Correct |
152 ms |
19424 KB |
Output is correct |
| 58 |
Correct |
57 ms |
5760 KB |
Output is correct |
