#include <bits/stdc++.h>
using namespace std;
const int N = 505, M = 250005;
int n;
int a[N];
bool F[M];
int A[M], B[M];
int np, nn;
int S;
int ANS[M];
int ans[M];
int main()
{
cin>>n;
for (int i = 1; i <= n; i++){
cin>>a[i];
S += a[i];
}
sort (a + 1, a + n + 1);
bool ok = 0;
for (int i = 2; i <= n; i++)
if ((a[i] - a[i - 1]) % 2 == 1)
ok = 1;
if (S % 2 == 1)
ok = 1;
if (ok){
cout<<0<<endl;
return 0;
}
F[0] = 1;
np = 1;
A[1] = 0;
for (int i = 1; i <= n; i++){
nn = 0;
for (int j = 1; j <= np; j++)
if (F[A[j] + a[i]] == 0){
B[++nn] = A[j] + a[i];
F[B[nn]] = 1;
}
for (int j = 1; j <= nn; j++)
A[++np] = B[j];
}
if (F[S / 2] == 0){
cout<<0<<endl;
return 0;
}
//cout<<S<<endl;
for (int I = 1; I <= n; I++){
for (int i = 0; i <= S; i++)
F[i] = 0;
F[0] = 1;
np = 1;
A[1] = 0;
for (int i = 1; i <= n; i++){
if (i == I)
continue;
nn = 0;
for (int j = 1; j <= np; j++)
if (F[A[j] + a[i]] == 0){
B[++nn] = A[j] + a[i];
F[B[nn]] = 1;
}
for (int j = 1; j <= nn; j++)
A[++np] = B[j];
}
for (int i = 1; i <= S; i++)
ans[i] = 0;
for (int i = 1; i <= np; i++){
ans[abs (S - a[I] - 2 * A[i])] = 1;
//cout<<I<<" "<<A[i]<<" "<<abs (S - a[I] - 2 * A[i])<<endl;
}
for (int i = 1; i <= S; i++)
ANS[i] += ans[i];
//cout<<endl;
}
np = 0;
for (int i = 1; i <= S; i++)
if (ANS[i] == n)
A[++np] = i;
cout<<np<<endl;
for (int i = 1; i <= np; i++)
cout<<A[i]<<" ";
cout<<endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
380 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
380 KB |
Output is correct |
21 |
Correct |
6 ms |
376 KB |
Output is correct |
22 |
Correct |
8 ms |
376 KB |
Output is correct |
23 |
Correct |
4 ms |
376 KB |
Output is correct |
24 |
Correct |
14 ms |
444 KB |
Output is correct |
25 |
Correct |
20 ms |
504 KB |
Output is correct |
26 |
Correct |
24 ms |
504 KB |
Output is correct |
27 |
Correct |
32 ms |
504 KB |
Output is correct |
28 |
Correct |
13 ms |
376 KB |
Output is correct |
29 |
Correct |
15 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
380 KB |
Output is correct |
31 |
Correct |
28 ms |
504 KB |
Output is correct |
32 |
Correct |
16 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
504 KB |
Output is correct |
34 |
Correct |
4 ms |
504 KB |
Output is correct |
35 |
Correct |
12 ms |
604 KB |
Output is correct |
36 |
Correct |
16 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
380 KB |
Output is correct |
21 |
Correct |
6 ms |
376 KB |
Output is correct |
22 |
Correct |
8 ms |
376 KB |
Output is correct |
23 |
Correct |
4 ms |
376 KB |
Output is correct |
24 |
Correct |
14 ms |
444 KB |
Output is correct |
25 |
Correct |
20 ms |
504 KB |
Output is correct |
26 |
Correct |
24 ms |
504 KB |
Output is correct |
27 |
Correct |
32 ms |
504 KB |
Output is correct |
28 |
Correct |
13 ms |
376 KB |
Output is correct |
29 |
Correct |
15 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
380 KB |
Output is correct |
31 |
Correct |
28 ms |
504 KB |
Output is correct |
32 |
Correct |
16 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
504 KB |
Output is correct |
34 |
Correct |
4 ms |
504 KB |
Output is correct |
35 |
Correct |
12 ms |
604 KB |
Output is correct |
36 |
Correct |
16 ms |
376 KB |
Output is correct |
37 |
Correct |
315 ms |
636 KB |
Output is correct |
38 |
Correct |
277 ms |
764 KB |
Output is correct |
39 |
Correct |
32 ms |
888 KB |
Output is correct |
40 |
Correct |
681 ms |
800 KB |
Output is correct |
41 |
Correct |
43 ms |
1016 KB |
Output is correct |
42 |
Correct |
510 ms |
860 KB |
Output is correct |
43 |
Execution timed out |
1074 ms |
1016 KB |
Time limit exceeded |
44 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
380 KB |
Output is correct |
21 |
Correct |
6 ms |
376 KB |
Output is correct |
22 |
Correct |
8 ms |
376 KB |
Output is correct |
23 |
Correct |
4 ms |
376 KB |
Output is correct |
24 |
Correct |
14 ms |
444 KB |
Output is correct |
25 |
Correct |
20 ms |
504 KB |
Output is correct |
26 |
Correct |
24 ms |
504 KB |
Output is correct |
27 |
Correct |
32 ms |
504 KB |
Output is correct |
28 |
Correct |
13 ms |
376 KB |
Output is correct |
29 |
Correct |
15 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
380 KB |
Output is correct |
31 |
Correct |
28 ms |
504 KB |
Output is correct |
32 |
Correct |
16 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
504 KB |
Output is correct |
34 |
Correct |
4 ms |
504 KB |
Output is correct |
35 |
Correct |
12 ms |
604 KB |
Output is correct |
36 |
Correct |
16 ms |
376 KB |
Output is correct |
37 |
Correct |
315 ms |
636 KB |
Output is correct |
38 |
Correct |
277 ms |
764 KB |
Output is correct |
39 |
Correct |
32 ms |
888 KB |
Output is correct |
40 |
Correct |
681 ms |
800 KB |
Output is correct |
41 |
Correct |
43 ms |
1016 KB |
Output is correct |
42 |
Correct |
510 ms |
860 KB |
Output is correct |
43 |
Execution timed out |
1074 ms |
1016 KB |
Time limit exceeded |
44 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
380 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
380 KB |
Output is correct |
21 |
Correct |
6 ms |
376 KB |
Output is correct |
22 |
Correct |
8 ms |
376 KB |
Output is correct |
23 |
Correct |
4 ms |
376 KB |
Output is correct |
24 |
Correct |
14 ms |
444 KB |
Output is correct |
25 |
Correct |
20 ms |
504 KB |
Output is correct |
26 |
Correct |
24 ms |
504 KB |
Output is correct |
27 |
Correct |
32 ms |
504 KB |
Output is correct |
28 |
Correct |
13 ms |
376 KB |
Output is correct |
29 |
Correct |
15 ms |
376 KB |
Output is correct |
30 |
Correct |
2 ms |
380 KB |
Output is correct |
31 |
Correct |
28 ms |
504 KB |
Output is correct |
32 |
Correct |
16 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
504 KB |
Output is correct |
34 |
Correct |
4 ms |
504 KB |
Output is correct |
35 |
Correct |
12 ms |
604 KB |
Output is correct |
36 |
Correct |
16 ms |
376 KB |
Output is correct |
37 |
Correct |
315 ms |
636 KB |
Output is correct |
38 |
Correct |
277 ms |
764 KB |
Output is correct |
39 |
Correct |
32 ms |
888 KB |
Output is correct |
40 |
Correct |
681 ms |
800 KB |
Output is correct |
41 |
Correct |
43 ms |
1016 KB |
Output is correct |
42 |
Correct |
510 ms |
860 KB |
Output is correct |
43 |
Execution timed out |
1074 ms |
1016 KB |
Time limit exceeded |
44 |
Halted |
0 ms |
0 KB |
- |