#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
typedef long long ll;
int n, a[505], sum;
vector<int> vec;
bitset<250005> b;
int ans[250005];
int main() {
srand(time(NULL));
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
sum += a[i];
}
if (sum % 2 == 1) {
cout << 0;
return 0;
}
for (int i = 1; i <= sum; i++) {
ans[i] = 1;
}
for (int i = 0; i <= n; i++) {
vec.push_back(i);
}
random_shuffle(vec.begin() + 1, vec.end());
int sz = vec.size();
vec.resize(150);
for (int i = 0; i < min((int)vec.size(), sz); i++) {
b.reset();
b[0] = 1;
for (int j = 1; j <= n; j++) {
if (i != j)
b |= (b << a[j]);
}
if (i == 0) {
if (!b[sum / 2]) {
cout << 0;
return 0;
}
continue;
}
for (int j = 1; j <= sum; j++) {
if ((sum + j - a[i]) % 2) {
ans[j] = 0;
continue;
}
if (!b[(sum + j - a[i]) / 2]) {
ans[j] = 0;
}
}
}
int cnt = 0;
for (int i = 1; i <= sum; i++) {
cnt += ans[i];
}
cout << cnt << "\n";
for (int i = 1; i <= sum; i++)
if (ans[i])
cout << i << " ";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3028 KB |
Output is correct |
2 |
Correct |
0 ms |
3028 KB |
Output is correct |
3 |
Correct |
0 ms |
3028 KB |
Output is correct |
4 |
Correct |
0 ms |
3028 KB |
Output is correct |
5 |
Correct |
0 ms |
3028 KB |
Output is correct |
6 |
Correct |
0 ms |
3028 KB |
Output is correct |
7 |
Correct |
0 ms |
3028 KB |
Output is correct |
8 |
Correct |
0 ms |
3028 KB |
Output is correct |
9 |
Correct |
0 ms |
3028 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3028 KB |
Output is correct |
2 |
Correct |
0 ms |
3028 KB |
Output is correct |
3 |
Correct |
0 ms |
3028 KB |
Output is correct |
4 |
Correct |
0 ms |
3028 KB |
Output is correct |
5 |
Correct |
0 ms |
3028 KB |
Output is correct |
6 |
Correct |
0 ms |
3028 KB |
Output is correct |
7 |
Correct |
0 ms |
3028 KB |
Output is correct |
8 |
Correct |
0 ms |
3028 KB |
Output is correct |
9 |
Correct |
0 ms |
3028 KB |
Output is correct |
10 |
Correct |
9 ms |
3028 KB |
Output is correct |
11 |
Correct |
13 ms |
3028 KB |
Output is correct |
12 |
Correct |
9 ms |
3028 KB |
Output is correct |
13 |
Correct |
9 ms |
3028 KB |
Output is correct |
14 |
Correct |
9 ms |
3028 KB |
Output is correct |
15 |
Correct |
9 ms |
3028 KB |
Output is correct |
16 |
Correct |
13 ms |
3028 KB |
Output is correct |
17 |
Correct |
3 ms |
3028 KB |
Output is correct |
18 |
Correct |
6 ms |
3028 KB |
Output is correct |
19 |
Correct |
9 ms |
3028 KB |
Output is correct |
20 |
Correct |
13 ms |
3028 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3028 KB |
Output is correct |
2 |
Correct |
0 ms |
3028 KB |
Output is correct |
3 |
Correct |
0 ms |
3028 KB |
Output is correct |
4 |
Correct |
0 ms |
3028 KB |
Output is correct |
5 |
Correct |
0 ms |
3028 KB |
Output is correct |
6 |
Correct |
0 ms |
3028 KB |
Output is correct |
7 |
Correct |
0 ms |
3028 KB |
Output is correct |
8 |
Correct |
0 ms |
3028 KB |
Output is correct |
9 |
Correct |
0 ms |
3028 KB |
Output is correct |
10 |
Correct |
9 ms |
3028 KB |
Output is correct |
11 |
Correct |
13 ms |
3028 KB |
Output is correct |
12 |
Correct |
9 ms |
3028 KB |
Output is correct |
13 |
Correct |
9 ms |
3028 KB |
Output is correct |
14 |
Correct |
9 ms |
3028 KB |
Output is correct |
15 |
Correct |
9 ms |
3028 KB |
Output is correct |
16 |
Correct |
13 ms |
3028 KB |
Output is correct |
17 |
Correct |
3 ms |
3028 KB |
Output is correct |
18 |
Correct |
6 ms |
3028 KB |
Output is correct |
19 |
Correct |
9 ms |
3028 KB |
Output is correct |
20 |
Correct |
13 ms |
3028 KB |
Output is correct |
21 |
Correct |
56 ms |
3028 KB |
Output is correct |
22 |
Correct |
76 ms |
3028 KB |
Output is correct |
23 |
Correct |
33 ms |
3028 KB |
Output is correct |
24 |
Correct |
129 ms |
3028 KB |
Output is correct |
25 |
Correct |
126 ms |
3028 KB |
Output is correct |
26 |
Correct |
139 ms |
3028 KB |
Output is correct |
27 |
Correct |
136 ms |
3028 KB |
Output is correct |
28 |
Correct |
139 ms |
3028 KB |
Output is correct |
29 |
Correct |
143 ms |
3028 KB |
Output is correct |
30 |
Correct |
159 ms |
3028 KB |
Output is correct |
31 |
Correct |
153 ms |
3028 KB |
Output is correct |
32 |
Correct |
176 ms |
3028 KB |
Output is correct |
33 |
Correct |
146 ms |
3028 KB |
Output is correct |
34 |
Correct |
143 ms |
3028 KB |
Output is correct |
35 |
Correct |
143 ms |
3028 KB |
Output is correct |
36 |
Correct |
146 ms |
3028 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3028 KB |
Output is correct |
2 |
Correct |
0 ms |
3028 KB |
Output is correct |
3 |
Correct |
0 ms |
3028 KB |
Output is correct |
4 |
Correct |
0 ms |
3028 KB |
Output is correct |
5 |
Correct |
0 ms |
3028 KB |
Output is correct |
6 |
Correct |
0 ms |
3028 KB |
Output is correct |
7 |
Correct |
0 ms |
3028 KB |
Output is correct |
8 |
Correct |
0 ms |
3028 KB |
Output is correct |
9 |
Correct |
0 ms |
3028 KB |
Output is correct |
10 |
Correct |
9 ms |
3028 KB |
Output is correct |
11 |
Correct |
13 ms |
3028 KB |
Output is correct |
12 |
Correct |
9 ms |
3028 KB |
Output is correct |
13 |
Correct |
9 ms |
3028 KB |
Output is correct |
14 |
Correct |
9 ms |
3028 KB |
Output is correct |
15 |
Correct |
9 ms |
3028 KB |
Output is correct |
16 |
Correct |
13 ms |
3028 KB |
Output is correct |
17 |
Correct |
3 ms |
3028 KB |
Output is correct |
18 |
Correct |
6 ms |
3028 KB |
Output is correct |
19 |
Correct |
9 ms |
3028 KB |
Output is correct |
20 |
Correct |
13 ms |
3028 KB |
Output is correct |
21 |
Correct |
56 ms |
3028 KB |
Output is correct |
22 |
Correct |
76 ms |
3028 KB |
Output is correct |
23 |
Correct |
33 ms |
3028 KB |
Output is correct |
24 |
Correct |
129 ms |
3028 KB |
Output is correct |
25 |
Correct |
126 ms |
3028 KB |
Output is correct |
26 |
Correct |
139 ms |
3028 KB |
Output is correct |
27 |
Correct |
136 ms |
3028 KB |
Output is correct |
28 |
Correct |
139 ms |
3028 KB |
Output is correct |
29 |
Correct |
143 ms |
3028 KB |
Output is correct |
30 |
Correct |
159 ms |
3028 KB |
Output is correct |
31 |
Correct |
153 ms |
3028 KB |
Output is correct |
32 |
Correct |
176 ms |
3028 KB |
Output is correct |
33 |
Correct |
146 ms |
3028 KB |
Output is correct |
34 |
Correct |
143 ms |
3028 KB |
Output is correct |
35 |
Correct |
143 ms |
3028 KB |
Output is correct |
36 |
Correct |
146 ms |
3028 KB |
Output is correct |
37 |
Correct |
446 ms |
3028 KB |
Output is correct |
38 |
Correct |
413 ms |
3028 KB |
Output is correct |
39 |
Correct |
566 ms |
3028 KB |
Output is correct |
40 |
Incorrect |
613 ms |
3028 KB |
Output isn't correct |
41 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3028 KB |
Output is correct |
2 |
Correct |
0 ms |
3028 KB |
Output is correct |
3 |
Correct |
0 ms |
3028 KB |
Output is correct |
4 |
Correct |
0 ms |
3028 KB |
Output is correct |
5 |
Correct |
0 ms |
3028 KB |
Output is correct |
6 |
Correct |
0 ms |
3028 KB |
Output is correct |
7 |
Correct |
0 ms |
3028 KB |
Output is correct |
8 |
Correct |
0 ms |
3028 KB |
Output is correct |
9 |
Correct |
0 ms |
3028 KB |
Output is correct |
10 |
Correct |
9 ms |
3028 KB |
Output is correct |
11 |
Correct |
13 ms |
3028 KB |
Output is correct |
12 |
Correct |
9 ms |
3028 KB |
Output is correct |
13 |
Correct |
9 ms |
3028 KB |
Output is correct |
14 |
Correct |
9 ms |
3028 KB |
Output is correct |
15 |
Correct |
9 ms |
3028 KB |
Output is correct |
16 |
Correct |
13 ms |
3028 KB |
Output is correct |
17 |
Correct |
3 ms |
3028 KB |
Output is correct |
18 |
Correct |
6 ms |
3028 KB |
Output is correct |
19 |
Correct |
9 ms |
3028 KB |
Output is correct |
20 |
Correct |
13 ms |
3028 KB |
Output is correct |
21 |
Correct |
56 ms |
3028 KB |
Output is correct |
22 |
Correct |
76 ms |
3028 KB |
Output is correct |
23 |
Correct |
33 ms |
3028 KB |
Output is correct |
24 |
Correct |
129 ms |
3028 KB |
Output is correct |
25 |
Correct |
126 ms |
3028 KB |
Output is correct |
26 |
Correct |
139 ms |
3028 KB |
Output is correct |
27 |
Correct |
136 ms |
3028 KB |
Output is correct |
28 |
Correct |
139 ms |
3028 KB |
Output is correct |
29 |
Correct |
143 ms |
3028 KB |
Output is correct |
30 |
Correct |
159 ms |
3028 KB |
Output is correct |
31 |
Correct |
153 ms |
3028 KB |
Output is correct |
32 |
Correct |
176 ms |
3028 KB |
Output is correct |
33 |
Correct |
146 ms |
3028 KB |
Output is correct |
34 |
Correct |
143 ms |
3028 KB |
Output is correct |
35 |
Correct |
143 ms |
3028 KB |
Output is correct |
36 |
Correct |
146 ms |
3028 KB |
Output is correct |
37 |
Correct |
446 ms |
3028 KB |
Output is correct |
38 |
Correct |
413 ms |
3028 KB |
Output is correct |
39 |
Correct |
566 ms |
3028 KB |
Output is correct |
40 |
Incorrect |
613 ms |
3028 KB |
Output isn't correct |
41 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3028 KB |
Output is correct |
2 |
Correct |
0 ms |
3028 KB |
Output is correct |
3 |
Correct |
0 ms |
3028 KB |
Output is correct |
4 |
Correct |
0 ms |
3028 KB |
Output is correct |
5 |
Correct |
0 ms |
3028 KB |
Output is correct |
6 |
Correct |
0 ms |
3028 KB |
Output is correct |
7 |
Correct |
0 ms |
3028 KB |
Output is correct |
8 |
Correct |
0 ms |
3028 KB |
Output is correct |
9 |
Correct |
0 ms |
3028 KB |
Output is correct |
10 |
Correct |
9 ms |
3028 KB |
Output is correct |
11 |
Correct |
13 ms |
3028 KB |
Output is correct |
12 |
Correct |
9 ms |
3028 KB |
Output is correct |
13 |
Correct |
9 ms |
3028 KB |
Output is correct |
14 |
Correct |
9 ms |
3028 KB |
Output is correct |
15 |
Correct |
9 ms |
3028 KB |
Output is correct |
16 |
Correct |
13 ms |
3028 KB |
Output is correct |
17 |
Correct |
3 ms |
3028 KB |
Output is correct |
18 |
Correct |
6 ms |
3028 KB |
Output is correct |
19 |
Correct |
9 ms |
3028 KB |
Output is correct |
20 |
Correct |
13 ms |
3028 KB |
Output is correct |
21 |
Correct |
56 ms |
3028 KB |
Output is correct |
22 |
Correct |
76 ms |
3028 KB |
Output is correct |
23 |
Correct |
33 ms |
3028 KB |
Output is correct |
24 |
Correct |
129 ms |
3028 KB |
Output is correct |
25 |
Correct |
126 ms |
3028 KB |
Output is correct |
26 |
Correct |
139 ms |
3028 KB |
Output is correct |
27 |
Correct |
136 ms |
3028 KB |
Output is correct |
28 |
Correct |
139 ms |
3028 KB |
Output is correct |
29 |
Correct |
143 ms |
3028 KB |
Output is correct |
30 |
Correct |
159 ms |
3028 KB |
Output is correct |
31 |
Correct |
153 ms |
3028 KB |
Output is correct |
32 |
Correct |
176 ms |
3028 KB |
Output is correct |
33 |
Correct |
146 ms |
3028 KB |
Output is correct |
34 |
Correct |
143 ms |
3028 KB |
Output is correct |
35 |
Correct |
143 ms |
3028 KB |
Output is correct |
36 |
Correct |
146 ms |
3028 KB |
Output is correct |
37 |
Correct |
446 ms |
3028 KB |
Output is correct |
38 |
Correct |
413 ms |
3028 KB |
Output is correct |
39 |
Correct |
566 ms |
3028 KB |
Output is correct |
40 |
Incorrect |
613 ms |
3028 KB |
Output isn't correct |
41 |
Halted |
0 ms |
0 KB |
- |