#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <unordered_set>
#include <cstdlib>
#include <cstring>
#include <string>
#include <set>
#include <map>
#include <algorithm>
#include <bitset>
#include <queue>
#include <unordered_map>
#include <fstream>
#include <random>
typedef unsigned long long ull;
typedef long long ll;
using namespace std;
const int N = 510;
const int M = 500010;
int a[N];
bitset <M> b[N];
bool ch[N][2 * M];
int main() {
int n, sm = 0;
cin >> n;
bitset <M> w;
w[0] = 1;
for (int i = 1; i <= n; i++) {
cin >> a[i];
if (a[i] % 2 != a[1] % 2) {
cout << "0\n";
return 0;
}
w |= (w << a[i]);
sm += a[i];
}
if (sm % 2 == 1) {
cout << "0\n";
return 0;
}
if (!w[sm / 2]) {
cout << "0\n";
return 0;
}
bitset <M> answ;
answ.set();
for (int i = 1; i <= n; i++) {
b[i][250000] = 1;
for (int j = 1; j <= n; j++) {
if (i == j) continue;
b[i] = ((b[i] << a[j]) | (b[i] >> a[j]));
}
answ &= b[i];
}
vector <int> ans;
for (int j = 250001; j <= 500000; j++) {
if (answ[j]) ans.push_back(j - 250000);
}
cout << (int)ans.size() << "\n";
for (auto it : ans) {
cout << it << " ";
}
cout << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2532 KB |
Output is correct |
2 |
Correct |
2 ms |
2648 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
4 ms |
2796 KB |
Output is correct |
6 |
Correct |
2 ms |
2648 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
4 ms |
2652 KB |
Output is correct |
9 |
Correct |
0 ms |
748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2532 KB |
Output is correct |
2 |
Correct |
2 ms |
2648 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
4 ms |
2796 KB |
Output is correct |
6 |
Correct |
2 ms |
2648 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
4 ms |
2652 KB |
Output is correct |
9 |
Correct |
0 ms |
748 KB |
Output is correct |
10 |
Correct |
25 ms |
4580 KB |
Output is correct |
11 |
Correct |
23 ms |
4848 KB |
Output is correct |
12 |
Correct |
25 ms |
4816 KB |
Output is correct |
13 |
Correct |
1 ms |
600 KB |
Output is correct |
14 |
Correct |
20 ms |
2652 KB |
Output is correct |
15 |
Correct |
20 ms |
3052 KB |
Output is correct |
16 |
Correct |
23 ms |
4692 KB |
Output is correct |
17 |
Correct |
10 ms |
2652 KB |
Output is correct |
18 |
Correct |
15 ms |
2652 KB |
Output is correct |
19 |
Correct |
17 ms |
2652 KB |
Output is correct |
20 |
Correct |
23 ms |
4824 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2532 KB |
Output is correct |
2 |
Correct |
2 ms |
2648 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
4 ms |
2796 KB |
Output is correct |
6 |
Correct |
2 ms |
2648 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
4 ms |
2652 KB |
Output is correct |
9 |
Correct |
0 ms |
748 KB |
Output is correct |
10 |
Correct |
25 ms |
4580 KB |
Output is correct |
11 |
Correct |
23 ms |
4848 KB |
Output is correct |
12 |
Correct |
25 ms |
4816 KB |
Output is correct |
13 |
Correct |
1 ms |
600 KB |
Output is correct |
14 |
Correct |
20 ms |
2652 KB |
Output is correct |
15 |
Correct |
20 ms |
3052 KB |
Output is correct |
16 |
Correct |
23 ms |
4692 KB |
Output is correct |
17 |
Correct |
10 ms |
2652 KB |
Output is correct |
18 |
Correct |
15 ms |
2652 KB |
Output is correct |
19 |
Correct |
17 ms |
2652 KB |
Output is correct |
20 |
Correct |
23 ms |
4824 KB |
Output is correct |
21 |
Correct |
103 ms |
4832 KB |
Output is correct |
22 |
Correct |
139 ms |
5456 KB |
Output is correct |
23 |
Correct |
61 ms |
4824 KB |
Output is correct |
24 |
Correct |
229 ms |
6868 KB |
Output is correct |
25 |
Correct |
215 ms |
6632 KB |
Output is correct |
26 |
Correct |
275 ms |
8784 KB |
Output is correct |
27 |
Correct |
245 ms |
8784 KB |
Output is correct |
28 |
Correct |
246 ms |
8784 KB |
Output is correct |
29 |
Correct |
252 ms |
8924 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
257 ms |
8864 KB |
Output is correct |
32 |
Correct |
248 ms |
8788 KB |
Output is correct |
33 |
Correct |
249 ms |
8936 KB |
Output is correct |
34 |
Correct |
243 ms |
8936 KB |
Output is correct |
35 |
Correct |
249 ms |
8784 KB |
Output is correct |
36 |
Correct |
251 ms |
8788 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2532 KB |
Output is correct |
2 |
Correct |
2 ms |
2648 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
4 ms |
2796 KB |
Output is correct |
6 |
Correct |
2 ms |
2648 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
4 ms |
2652 KB |
Output is correct |
9 |
Correct |
0 ms |
748 KB |
Output is correct |
10 |
Correct |
25 ms |
4580 KB |
Output is correct |
11 |
Correct |
23 ms |
4848 KB |
Output is correct |
12 |
Correct |
25 ms |
4816 KB |
Output is correct |
13 |
Correct |
1 ms |
600 KB |
Output is correct |
14 |
Correct |
20 ms |
2652 KB |
Output is correct |
15 |
Correct |
20 ms |
3052 KB |
Output is correct |
16 |
Correct |
23 ms |
4692 KB |
Output is correct |
17 |
Correct |
10 ms |
2652 KB |
Output is correct |
18 |
Correct |
15 ms |
2652 KB |
Output is correct |
19 |
Correct |
17 ms |
2652 KB |
Output is correct |
20 |
Correct |
23 ms |
4824 KB |
Output is correct |
21 |
Correct |
103 ms |
4832 KB |
Output is correct |
22 |
Correct |
139 ms |
5456 KB |
Output is correct |
23 |
Correct |
61 ms |
4824 KB |
Output is correct |
24 |
Correct |
229 ms |
6868 KB |
Output is correct |
25 |
Correct |
215 ms |
6632 KB |
Output is correct |
26 |
Correct |
275 ms |
8784 KB |
Output is correct |
27 |
Correct |
245 ms |
8784 KB |
Output is correct |
28 |
Correct |
246 ms |
8784 KB |
Output is correct |
29 |
Correct |
252 ms |
8924 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
257 ms |
8864 KB |
Output is correct |
32 |
Correct |
248 ms |
8788 KB |
Output is correct |
33 |
Correct |
249 ms |
8936 KB |
Output is correct |
34 |
Correct |
243 ms |
8936 KB |
Output is correct |
35 |
Correct |
249 ms |
8784 KB |
Output is correct |
36 |
Correct |
251 ms |
8788 KB |
Output is correct |
37 |
Execution timed out |
1008 ms |
13336 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2532 KB |
Output is correct |
2 |
Correct |
2 ms |
2648 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
4 ms |
2796 KB |
Output is correct |
6 |
Correct |
2 ms |
2648 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
4 ms |
2652 KB |
Output is correct |
9 |
Correct |
0 ms |
748 KB |
Output is correct |
10 |
Correct |
25 ms |
4580 KB |
Output is correct |
11 |
Correct |
23 ms |
4848 KB |
Output is correct |
12 |
Correct |
25 ms |
4816 KB |
Output is correct |
13 |
Correct |
1 ms |
600 KB |
Output is correct |
14 |
Correct |
20 ms |
2652 KB |
Output is correct |
15 |
Correct |
20 ms |
3052 KB |
Output is correct |
16 |
Correct |
23 ms |
4692 KB |
Output is correct |
17 |
Correct |
10 ms |
2652 KB |
Output is correct |
18 |
Correct |
15 ms |
2652 KB |
Output is correct |
19 |
Correct |
17 ms |
2652 KB |
Output is correct |
20 |
Correct |
23 ms |
4824 KB |
Output is correct |
21 |
Correct |
103 ms |
4832 KB |
Output is correct |
22 |
Correct |
139 ms |
5456 KB |
Output is correct |
23 |
Correct |
61 ms |
4824 KB |
Output is correct |
24 |
Correct |
229 ms |
6868 KB |
Output is correct |
25 |
Correct |
215 ms |
6632 KB |
Output is correct |
26 |
Correct |
275 ms |
8784 KB |
Output is correct |
27 |
Correct |
245 ms |
8784 KB |
Output is correct |
28 |
Correct |
246 ms |
8784 KB |
Output is correct |
29 |
Correct |
252 ms |
8924 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
257 ms |
8864 KB |
Output is correct |
32 |
Correct |
248 ms |
8788 KB |
Output is correct |
33 |
Correct |
249 ms |
8936 KB |
Output is correct |
34 |
Correct |
243 ms |
8936 KB |
Output is correct |
35 |
Correct |
249 ms |
8784 KB |
Output is correct |
36 |
Correct |
251 ms |
8788 KB |
Output is correct |
37 |
Execution timed out |
1008 ms |
13336 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2532 KB |
Output is correct |
2 |
Correct |
2 ms |
2648 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
4 ms |
2796 KB |
Output is correct |
6 |
Correct |
2 ms |
2648 KB |
Output is correct |
7 |
Correct |
2 ms |
2652 KB |
Output is correct |
8 |
Correct |
4 ms |
2652 KB |
Output is correct |
9 |
Correct |
0 ms |
748 KB |
Output is correct |
10 |
Correct |
25 ms |
4580 KB |
Output is correct |
11 |
Correct |
23 ms |
4848 KB |
Output is correct |
12 |
Correct |
25 ms |
4816 KB |
Output is correct |
13 |
Correct |
1 ms |
600 KB |
Output is correct |
14 |
Correct |
20 ms |
2652 KB |
Output is correct |
15 |
Correct |
20 ms |
3052 KB |
Output is correct |
16 |
Correct |
23 ms |
4692 KB |
Output is correct |
17 |
Correct |
10 ms |
2652 KB |
Output is correct |
18 |
Correct |
15 ms |
2652 KB |
Output is correct |
19 |
Correct |
17 ms |
2652 KB |
Output is correct |
20 |
Correct |
23 ms |
4824 KB |
Output is correct |
21 |
Correct |
103 ms |
4832 KB |
Output is correct |
22 |
Correct |
139 ms |
5456 KB |
Output is correct |
23 |
Correct |
61 ms |
4824 KB |
Output is correct |
24 |
Correct |
229 ms |
6868 KB |
Output is correct |
25 |
Correct |
215 ms |
6632 KB |
Output is correct |
26 |
Correct |
275 ms |
8784 KB |
Output is correct |
27 |
Correct |
245 ms |
8784 KB |
Output is correct |
28 |
Correct |
246 ms |
8784 KB |
Output is correct |
29 |
Correct |
252 ms |
8924 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
257 ms |
8864 KB |
Output is correct |
32 |
Correct |
248 ms |
8788 KB |
Output is correct |
33 |
Correct |
249 ms |
8936 KB |
Output is correct |
34 |
Correct |
243 ms |
8936 KB |
Output is correct |
35 |
Correct |
249 ms |
8784 KB |
Output is correct |
36 |
Correct |
251 ms |
8788 KB |
Output is correct |
37 |
Execution timed out |
1008 ms |
13336 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |