#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 = 251000;
int a[N];
bitset <M> b[N];
bitset <M> ch[N];
int main() {
ios_base::sync_with_stdio(false); cin.tie(0);
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;
}
for (int i = 1; i <= n; i++) {
b[i][0] = 1;
for (int j = 1; j <= n; j++) {
if (i == j) continue;
b[i] |= (b[i] << a[j]);
}
}
for (int i = 1; i <= n; i++) {
sm -= a[i];
for (int j = 0; j <= 250000; j++) {
if (b[i][j]) {
if (2 * j < sm) {
ch[i][sm - 2 * j] = 1;
}
else {
ch[i][2 * j - sm] = 1;
}
}
}
sm += a[i];
}
vector <int> ans;
for (int j = 1; j <= 250000; j++) {
bool flag = true;
for (int i = 1; i <= n; i++) {
if (ch[i][j]) continue;
flag = false; break;
}
if (flag) ans.push_back(j);
}
cout << (int)ans.size() << "\n";
for (auto it : ans) {
cout << it << " ";
}
cout << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
4444 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
4 ms |
4676 KB |
Output is correct |
6 |
Correct |
4 ms |
4444 KB |
Output is correct |
7 |
Correct |
4 ms |
4444 KB |
Output is correct |
8 |
Correct |
4 ms |
4444 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
4444 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
4 ms |
4676 KB |
Output is correct |
6 |
Correct |
4 ms |
4444 KB |
Output is correct |
7 |
Correct |
4 ms |
4444 KB |
Output is correct |
8 |
Correct |
4 ms |
4444 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
12 ms |
4440 KB |
Output is correct |
11 |
Correct |
13 ms |
4696 KB |
Output is correct |
12 |
Correct |
12 ms |
4692 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
11 ms |
4444 KB |
Output is correct |
15 |
Correct |
12 ms |
4444 KB |
Output is correct |
16 |
Correct |
15 ms |
4444 KB |
Output is correct |
17 |
Correct |
10 ms |
4676 KB |
Output is correct |
18 |
Correct |
10 ms |
4444 KB |
Output is correct |
19 |
Correct |
10 ms |
4444 KB |
Output is correct |
20 |
Correct |
12 ms |
4700 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
4444 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
4 ms |
4676 KB |
Output is correct |
6 |
Correct |
4 ms |
4444 KB |
Output is correct |
7 |
Correct |
4 ms |
4444 KB |
Output is correct |
8 |
Correct |
4 ms |
4444 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
12 ms |
4440 KB |
Output is correct |
11 |
Correct |
13 ms |
4696 KB |
Output is correct |
12 |
Correct |
12 ms |
4692 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
11 ms |
4444 KB |
Output is correct |
15 |
Correct |
12 ms |
4444 KB |
Output is correct |
16 |
Correct |
15 ms |
4444 KB |
Output is correct |
17 |
Correct |
10 ms |
4676 KB |
Output is correct |
18 |
Correct |
10 ms |
4444 KB |
Output is correct |
19 |
Correct |
10 ms |
4444 KB |
Output is correct |
20 |
Correct |
12 ms |
4700 KB |
Output is correct |
21 |
Correct |
41 ms |
5692 KB |
Output is correct |
22 |
Correct |
50 ms |
8084 KB |
Output is correct |
23 |
Correct |
28 ms |
5280 KB |
Output is correct |
24 |
Correct |
77 ms |
8528 KB |
Output is correct |
25 |
Correct |
78 ms |
8528 KB |
Output is correct |
26 |
Correct |
85 ms |
8792 KB |
Output is correct |
27 |
Correct |
84 ms |
8836 KB |
Output is correct |
28 |
Correct |
85 ms |
8744 KB |
Output is correct |
29 |
Correct |
84 ms |
8784 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
85 ms |
8724 KB |
Output is correct |
32 |
Correct |
85 ms |
8784 KB |
Output is correct |
33 |
Correct |
84 ms |
8796 KB |
Output is correct |
34 |
Correct |
85 ms |
8820 KB |
Output is correct |
35 |
Correct |
84 ms |
8784 KB |
Output is correct |
36 |
Correct |
87 ms |
8792 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
4444 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
4 ms |
4676 KB |
Output is correct |
6 |
Correct |
4 ms |
4444 KB |
Output is correct |
7 |
Correct |
4 ms |
4444 KB |
Output is correct |
8 |
Correct |
4 ms |
4444 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
12 ms |
4440 KB |
Output is correct |
11 |
Correct |
13 ms |
4696 KB |
Output is correct |
12 |
Correct |
12 ms |
4692 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
11 ms |
4444 KB |
Output is correct |
15 |
Correct |
12 ms |
4444 KB |
Output is correct |
16 |
Correct |
15 ms |
4444 KB |
Output is correct |
17 |
Correct |
10 ms |
4676 KB |
Output is correct |
18 |
Correct |
10 ms |
4444 KB |
Output is correct |
19 |
Correct |
10 ms |
4444 KB |
Output is correct |
20 |
Correct |
12 ms |
4700 KB |
Output is correct |
21 |
Correct |
41 ms |
5692 KB |
Output is correct |
22 |
Correct |
50 ms |
8084 KB |
Output is correct |
23 |
Correct |
28 ms |
5280 KB |
Output is correct |
24 |
Correct |
77 ms |
8528 KB |
Output is correct |
25 |
Correct |
78 ms |
8528 KB |
Output is correct |
26 |
Correct |
85 ms |
8792 KB |
Output is correct |
27 |
Correct |
84 ms |
8836 KB |
Output is correct |
28 |
Correct |
85 ms |
8744 KB |
Output is correct |
29 |
Correct |
84 ms |
8784 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
85 ms |
8724 KB |
Output is correct |
32 |
Correct |
85 ms |
8784 KB |
Output is correct |
33 |
Correct |
84 ms |
8796 KB |
Output is correct |
34 |
Correct |
85 ms |
8820 KB |
Output is correct |
35 |
Correct |
84 ms |
8784 KB |
Output is correct |
36 |
Correct |
87 ms |
8792 KB |
Output is correct |
37 |
Correct |
306 ms |
13992 KB |
Output is correct |
38 |
Correct |
309 ms |
14116 KB |
Output is correct |
39 |
Correct |
456 ms |
17448 KB |
Output is correct |
40 |
Correct |
580 ms |
18260 KB |
Output is correct |
41 |
Correct |
528 ms |
18028 KB |
Output is correct |
42 |
Correct |
471 ms |
17588 KB |
Output is correct |
43 |
Correct |
453 ms |
17748 KB |
Output is correct |
44 |
Correct |
484 ms |
17836 KB |
Output is correct |
45 |
Correct |
477 ms |
18000 KB |
Output is correct |
46 |
Correct |
526 ms |
18100 KB |
Output is correct |
47 |
Correct |
472 ms |
18000 KB |
Output is correct |
48 |
Correct |
475 ms |
17748 KB |
Output is correct |
49 |
Correct |
469 ms |
17696 KB |
Output is correct |
50 |
Correct |
470 ms |
17764 KB |
Output is correct |
51 |
Correct |
0 ms |
348 KB |
Output is correct |
52 |
Correct |
551 ms |
18492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
4444 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
4 ms |
4676 KB |
Output is correct |
6 |
Correct |
4 ms |
4444 KB |
Output is correct |
7 |
Correct |
4 ms |
4444 KB |
Output is correct |
8 |
Correct |
4 ms |
4444 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
12 ms |
4440 KB |
Output is correct |
11 |
Correct |
13 ms |
4696 KB |
Output is correct |
12 |
Correct |
12 ms |
4692 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
11 ms |
4444 KB |
Output is correct |
15 |
Correct |
12 ms |
4444 KB |
Output is correct |
16 |
Correct |
15 ms |
4444 KB |
Output is correct |
17 |
Correct |
10 ms |
4676 KB |
Output is correct |
18 |
Correct |
10 ms |
4444 KB |
Output is correct |
19 |
Correct |
10 ms |
4444 KB |
Output is correct |
20 |
Correct |
12 ms |
4700 KB |
Output is correct |
21 |
Correct |
41 ms |
5692 KB |
Output is correct |
22 |
Correct |
50 ms |
8084 KB |
Output is correct |
23 |
Correct |
28 ms |
5280 KB |
Output is correct |
24 |
Correct |
77 ms |
8528 KB |
Output is correct |
25 |
Correct |
78 ms |
8528 KB |
Output is correct |
26 |
Correct |
85 ms |
8792 KB |
Output is correct |
27 |
Correct |
84 ms |
8836 KB |
Output is correct |
28 |
Correct |
85 ms |
8744 KB |
Output is correct |
29 |
Correct |
84 ms |
8784 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
85 ms |
8724 KB |
Output is correct |
32 |
Correct |
85 ms |
8784 KB |
Output is correct |
33 |
Correct |
84 ms |
8796 KB |
Output is correct |
34 |
Correct |
85 ms |
8820 KB |
Output is correct |
35 |
Correct |
84 ms |
8784 KB |
Output is correct |
36 |
Correct |
87 ms |
8792 KB |
Output is correct |
37 |
Correct |
306 ms |
13992 KB |
Output is correct |
38 |
Correct |
309 ms |
14116 KB |
Output is correct |
39 |
Correct |
456 ms |
17448 KB |
Output is correct |
40 |
Correct |
580 ms |
18260 KB |
Output is correct |
41 |
Correct |
528 ms |
18028 KB |
Output is correct |
42 |
Correct |
471 ms |
17588 KB |
Output is correct |
43 |
Correct |
453 ms |
17748 KB |
Output is correct |
44 |
Correct |
484 ms |
17836 KB |
Output is correct |
45 |
Correct |
477 ms |
18000 KB |
Output is correct |
46 |
Correct |
526 ms |
18100 KB |
Output is correct |
47 |
Correct |
472 ms |
18000 KB |
Output is correct |
48 |
Correct |
475 ms |
17748 KB |
Output is correct |
49 |
Correct |
469 ms |
17696 KB |
Output is correct |
50 |
Correct |
470 ms |
17764 KB |
Output is correct |
51 |
Correct |
0 ms |
348 KB |
Output is correct |
52 |
Correct |
551 ms |
18492 KB |
Output is correct |
53 |
Correct |
684 ms |
21440 KB |
Output is correct |
54 |
Correct |
932 ms |
25136 KB |
Output is correct |
55 |
Correct |
970 ms |
25432 KB |
Output is correct |
56 |
Correct |
722 ms |
21716 KB |
Output is correct |
57 |
Correct |
963 ms |
25260 KB |
Output is correct |
58 |
Correct |
916 ms |
25128 KB |
Output is correct |
59 |
Correct |
914 ms |
25248 KB |
Output is correct |
60 |
Correct |
1 ms |
344 KB |
Output is correct |
61 |
Correct |
926 ms |
25256 KB |
Output is correct |
62 |
Correct |
773 ms |
22232 KB |
Output is correct |
63 |
Execution timed out |
1029 ms |
22220 KB |
Time limit exceeded |
64 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2396 KB |
Output is correct |
2 |
Correct |
4 ms |
4444 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
4 ms |
4676 KB |
Output is correct |
6 |
Correct |
4 ms |
4444 KB |
Output is correct |
7 |
Correct |
4 ms |
4444 KB |
Output is correct |
8 |
Correct |
4 ms |
4444 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
12 ms |
4440 KB |
Output is correct |
11 |
Correct |
13 ms |
4696 KB |
Output is correct |
12 |
Correct |
12 ms |
4692 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
11 ms |
4444 KB |
Output is correct |
15 |
Correct |
12 ms |
4444 KB |
Output is correct |
16 |
Correct |
15 ms |
4444 KB |
Output is correct |
17 |
Correct |
10 ms |
4676 KB |
Output is correct |
18 |
Correct |
10 ms |
4444 KB |
Output is correct |
19 |
Correct |
10 ms |
4444 KB |
Output is correct |
20 |
Correct |
12 ms |
4700 KB |
Output is correct |
21 |
Correct |
41 ms |
5692 KB |
Output is correct |
22 |
Correct |
50 ms |
8084 KB |
Output is correct |
23 |
Correct |
28 ms |
5280 KB |
Output is correct |
24 |
Correct |
77 ms |
8528 KB |
Output is correct |
25 |
Correct |
78 ms |
8528 KB |
Output is correct |
26 |
Correct |
85 ms |
8792 KB |
Output is correct |
27 |
Correct |
84 ms |
8836 KB |
Output is correct |
28 |
Correct |
85 ms |
8744 KB |
Output is correct |
29 |
Correct |
84 ms |
8784 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
85 ms |
8724 KB |
Output is correct |
32 |
Correct |
85 ms |
8784 KB |
Output is correct |
33 |
Correct |
84 ms |
8796 KB |
Output is correct |
34 |
Correct |
85 ms |
8820 KB |
Output is correct |
35 |
Correct |
84 ms |
8784 KB |
Output is correct |
36 |
Correct |
87 ms |
8792 KB |
Output is correct |
37 |
Correct |
306 ms |
13992 KB |
Output is correct |
38 |
Correct |
309 ms |
14116 KB |
Output is correct |
39 |
Correct |
456 ms |
17448 KB |
Output is correct |
40 |
Correct |
580 ms |
18260 KB |
Output is correct |
41 |
Correct |
528 ms |
18028 KB |
Output is correct |
42 |
Correct |
471 ms |
17588 KB |
Output is correct |
43 |
Correct |
453 ms |
17748 KB |
Output is correct |
44 |
Correct |
484 ms |
17836 KB |
Output is correct |
45 |
Correct |
477 ms |
18000 KB |
Output is correct |
46 |
Correct |
526 ms |
18100 KB |
Output is correct |
47 |
Correct |
472 ms |
18000 KB |
Output is correct |
48 |
Correct |
475 ms |
17748 KB |
Output is correct |
49 |
Correct |
469 ms |
17696 KB |
Output is correct |
50 |
Correct |
470 ms |
17764 KB |
Output is correct |
51 |
Correct |
0 ms |
348 KB |
Output is correct |
52 |
Correct |
551 ms |
18492 KB |
Output is correct |
53 |
Correct |
684 ms |
21440 KB |
Output is correct |
54 |
Correct |
932 ms |
25136 KB |
Output is correct |
55 |
Correct |
970 ms |
25432 KB |
Output is correct |
56 |
Correct |
722 ms |
21716 KB |
Output is correct |
57 |
Correct |
963 ms |
25260 KB |
Output is correct |
58 |
Correct |
916 ms |
25128 KB |
Output is correct |
59 |
Correct |
914 ms |
25248 KB |
Output is correct |
60 |
Correct |
1 ms |
344 KB |
Output is correct |
61 |
Correct |
926 ms |
25256 KB |
Output is correct |
62 |
Correct |
773 ms |
22232 KB |
Output is correct |
63 |
Execution timed out |
1029 ms |
22220 KB |
Time limit exceeded |
64 |
Halted |
0 ms |
0 KB |
- |