#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
using namespace std;
const int N = 50000;
int a[N];
int main()
{
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
int n;
cin >> n;
int sum = 0;
bitset<N> ddp;
ddp[0] = 1;
for (int i = 0; i < n; i++) {
cin >> a[i];
sum += a[i];
ddp |= (ddp << a[i]);
}
if (sum%2 == 1 || !ddp[sum/2]) {
cout << "0\n";
return 0;
}
vector<int> v;
for (int i = 1; i <= sum; i++) {
bool ok = true;
for (int p = 0; p < n; p++) {
bitset<N> dp;
dp[0] = 1;
int ss = 0;
for (int j = 0; j < n; j++) {
if (p == j) continue;
dp |= (dp << a[j]);
ss += a[j];
}
if ((ss+i)%2 == 1) {
ok = false;
break;
}
if (!dp[(ss+i)/2]) {
ok = false;
break;
}
}
cerr << '\n';
if (ok) v.push_back(i);
}
cout << v.size() << '\n';
for (int i : v) cout << i << ' ';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
480 KB |
Output is correct |
5 |
Correct |
32 ms |
464 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
42 ms |
492 KB |
Output is correct |
9 |
Correct |
7 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
480 KB |
Output is correct |
5 |
Correct |
32 ms |
464 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
42 ms |
492 KB |
Output is correct |
9 |
Correct |
7 ms |
348 KB |
Output is correct |
10 |
Correct |
28 ms |
348 KB |
Output is correct |
11 |
Correct |
101 ms |
348 KB |
Output is correct |
12 |
Correct |
15 ms |
488 KB |
Output is correct |
13 |
Correct |
12 ms |
488 KB |
Output is correct |
14 |
Correct |
101 ms |
468 KB |
Output is correct |
15 |
Correct |
72 ms |
348 KB |
Output is correct |
16 |
Correct |
105 ms |
344 KB |
Output is correct |
17 |
Correct |
26 ms |
344 KB |
Output is correct |
18 |
Correct |
58 ms |
348 KB |
Output is correct |
19 |
Correct |
53 ms |
344 KB |
Output is correct |
20 |
Correct |
28 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
480 KB |
Output is correct |
5 |
Correct |
32 ms |
464 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
42 ms |
492 KB |
Output is correct |
9 |
Correct |
7 ms |
348 KB |
Output is correct |
10 |
Correct |
28 ms |
348 KB |
Output is correct |
11 |
Correct |
101 ms |
348 KB |
Output is correct |
12 |
Correct |
15 ms |
488 KB |
Output is correct |
13 |
Correct |
12 ms |
488 KB |
Output is correct |
14 |
Correct |
101 ms |
468 KB |
Output is correct |
15 |
Correct |
72 ms |
348 KB |
Output is correct |
16 |
Correct |
105 ms |
344 KB |
Output is correct |
17 |
Correct |
26 ms |
344 KB |
Output is correct |
18 |
Correct |
58 ms |
348 KB |
Output is correct |
19 |
Correct |
53 ms |
344 KB |
Output is correct |
20 |
Correct |
28 ms |
344 KB |
Output is correct |
21 |
Execution timed out |
1044 ms |
592 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
480 KB |
Output is correct |
5 |
Correct |
32 ms |
464 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
42 ms |
492 KB |
Output is correct |
9 |
Correct |
7 ms |
348 KB |
Output is correct |
10 |
Correct |
28 ms |
348 KB |
Output is correct |
11 |
Correct |
101 ms |
348 KB |
Output is correct |
12 |
Correct |
15 ms |
488 KB |
Output is correct |
13 |
Correct |
12 ms |
488 KB |
Output is correct |
14 |
Correct |
101 ms |
468 KB |
Output is correct |
15 |
Correct |
72 ms |
348 KB |
Output is correct |
16 |
Correct |
105 ms |
344 KB |
Output is correct |
17 |
Correct |
26 ms |
344 KB |
Output is correct |
18 |
Correct |
58 ms |
348 KB |
Output is correct |
19 |
Correct |
53 ms |
344 KB |
Output is correct |
20 |
Correct |
28 ms |
344 KB |
Output is correct |
21 |
Execution timed out |
1044 ms |
592 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
480 KB |
Output is correct |
5 |
Correct |
32 ms |
464 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
42 ms |
492 KB |
Output is correct |
9 |
Correct |
7 ms |
348 KB |
Output is correct |
10 |
Correct |
28 ms |
348 KB |
Output is correct |
11 |
Correct |
101 ms |
348 KB |
Output is correct |
12 |
Correct |
15 ms |
488 KB |
Output is correct |
13 |
Correct |
12 ms |
488 KB |
Output is correct |
14 |
Correct |
101 ms |
468 KB |
Output is correct |
15 |
Correct |
72 ms |
348 KB |
Output is correct |
16 |
Correct |
105 ms |
344 KB |
Output is correct |
17 |
Correct |
26 ms |
344 KB |
Output is correct |
18 |
Correct |
58 ms |
348 KB |
Output is correct |
19 |
Correct |
53 ms |
344 KB |
Output is correct |
20 |
Correct |
28 ms |
344 KB |
Output is correct |
21 |
Execution timed out |
1044 ms |
592 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
480 KB |
Output is correct |
5 |
Correct |
32 ms |
464 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
42 ms |
492 KB |
Output is correct |
9 |
Correct |
7 ms |
348 KB |
Output is correct |
10 |
Correct |
28 ms |
348 KB |
Output is correct |
11 |
Correct |
101 ms |
348 KB |
Output is correct |
12 |
Correct |
15 ms |
488 KB |
Output is correct |
13 |
Correct |
12 ms |
488 KB |
Output is correct |
14 |
Correct |
101 ms |
468 KB |
Output is correct |
15 |
Correct |
72 ms |
348 KB |
Output is correct |
16 |
Correct |
105 ms |
344 KB |
Output is correct |
17 |
Correct |
26 ms |
344 KB |
Output is correct |
18 |
Correct |
58 ms |
348 KB |
Output is correct |
19 |
Correct |
53 ms |
344 KB |
Output is correct |
20 |
Correct |
28 ms |
344 KB |
Output is correct |
21 |
Execution timed out |
1044 ms |
592 KB |
Time limit exceeded |
22 |
Halted |
0 ms |
0 KB |
- |