#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 505;
const int MX = 500 * 500 + 5;
const int mod = 1e9 + 7;
int a[N], d[MX], cnt[MX], Sum;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
int n;
cin >> n;
d[0] = 1;
for (int i = 1 ; i <= n ; ++ i) {
cin >> a[i];
Sum += a[i];
for (int j = MX - 1 ; j >= a[i] ; -- j) {
d[j] += d[j - a[i]];
d[j] -= d[j] >= mod ? mod : 0;
}
}
if (Sum & 1 || !d[Sum / 2]) return cout << "0", 0;
for (int i = 1 ; i <= n ; ++ i) {
int Now = Sum - a[i];
//cout << i << " " << Now << endl;
for (int j = a[i] ; j < MX ; ++ j) {
d[j] -= d[j - a[i]];
d[j] += d[j] < 0 ? mod : 0;
}
for (int j = Now & 1 ; j < MX ; j += 2) {
int Cur = Now + j;
cnt[j] += j <= (Cur >> 1) && !!d[(Cur >> 1) - j];
}
for (int j = MX - 1 ; j >= a[i] ; -- j) {
d[j] += d[j - a[i]];
d[j] -= d[j] >= mod ? mod : 0;
}
}
int Cnt = 0;
for (int i = 0 ; i < MX ; ++ i) Cnt += cnt[i] == n;
cout << Cnt << "\n";
for (int i = 0 ; i < MX ; ++ i) if (cnt[i] == n) cout << i << " ";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
2304 KB |
Output is correct |
2 |
Correct |
8 ms |
2284 KB |
Output is correct |
3 |
Correct |
2 ms |
1260 KB |
Output is correct |
4 |
Correct |
6 ms |
2284 KB |
Output is correct |
5 |
Correct |
13 ms |
2284 KB |
Output is correct |
6 |
Correct |
10 ms |
2432 KB |
Output is correct |
7 |
Correct |
8 ms |
2284 KB |
Output is correct |
8 |
Correct |
13 ms |
2284 KB |
Output is correct |
9 |
Correct |
11 ms |
2284 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
2304 KB |
Output is correct |
2 |
Correct |
8 ms |
2284 KB |
Output is correct |
3 |
Correct |
2 ms |
1260 KB |
Output is correct |
4 |
Correct |
6 ms |
2284 KB |
Output is correct |
5 |
Correct |
13 ms |
2284 KB |
Output is correct |
6 |
Correct |
10 ms |
2432 KB |
Output is correct |
7 |
Correct |
8 ms |
2284 KB |
Output is correct |
8 |
Correct |
13 ms |
2284 KB |
Output is correct |
9 |
Correct |
11 ms |
2284 KB |
Output is correct |
10 |
Correct |
29 ms |
2284 KB |
Output is correct |
11 |
Correct |
32 ms |
2284 KB |
Output is correct |
12 |
Correct |
30 ms |
2284 KB |
Output is correct |
13 |
Correct |
29 ms |
2412 KB |
Output is correct |
14 |
Correct |
28 ms |
2284 KB |
Output is correct |
15 |
Correct |
30 ms |
2284 KB |
Output is correct |
16 |
Correct |
33 ms |
2284 KB |
Output is correct |
17 |
Correct |
19 ms |
2284 KB |
Output is correct |
18 |
Correct |
25 ms |
2284 KB |
Output is correct |
19 |
Correct |
27 ms |
2284 KB |
Output is correct |
20 |
Correct |
29 ms |
2284 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
2304 KB |
Output is correct |
2 |
Correct |
8 ms |
2284 KB |
Output is correct |
3 |
Correct |
2 ms |
1260 KB |
Output is correct |
4 |
Correct |
6 ms |
2284 KB |
Output is correct |
5 |
Correct |
13 ms |
2284 KB |
Output is correct |
6 |
Correct |
10 ms |
2432 KB |
Output is correct |
7 |
Correct |
8 ms |
2284 KB |
Output is correct |
8 |
Correct |
13 ms |
2284 KB |
Output is correct |
9 |
Correct |
11 ms |
2284 KB |
Output is correct |
10 |
Correct |
29 ms |
2284 KB |
Output is correct |
11 |
Correct |
32 ms |
2284 KB |
Output is correct |
12 |
Correct |
30 ms |
2284 KB |
Output is correct |
13 |
Correct |
29 ms |
2412 KB |
Output is correct |
14 |
Correct |
28 ms |
2284 KB |
Output is correct |
15 |
Correct |
30 ms |
2284 KB |
Output is correct |
16 |
Correct |
33 ms |
2284 KB |
Output is correct |
17 |
Correct |
19 ms |
2284 KB |
Output is correct |
18 |
Correct |
25 ms |
2284 KB |
Output is correct |
19 |
Correct |
27 ms |
2284 KB |
Output is correct |
20 |
Correct |
29 ms |
2284 KB |
Output is correct |
21 |
Correct |
60 ms |
2284 KB |
Output is correct |
22 |
Correct |
69 ms |
2284 KB |
Output is correct |
23 |
Correct |
48 ms |
2284 KB |
Output is correct |
24 |
Correct |
90 ms |
2284 KB |
Output is correct |
25 |
Correct |
89 ms |
2284 KB |
Output is correct |
26 |
Correct |
91 ms |
2284 KB |
Output is correct |
27 |
Correct |
94 ms |
2284 KB |
Output is correct |
28 |
Correct |
90 ms |
2284 KB |
Output is correct |
29 |
Correct |
92 ms |
2284 KB |
Output is correct |
30 |
Correct |
92 ms |
2284 KB |
Output is correct |
31 |
Correct |
91 ms |
2284 KB |
Output is correct |
32 |
Correct |
95 ms |
2284 KB |
Output is correct |
33 |
Correct |
91 ms |
2284 KB |
Output is correct |
34 |
Correct |
92 ms |
2284 KB |
Output is correct |
35 |
Correct |
91 ms |
2284 KB |
Output is correct |
36 |
Correct |
94 ms |
2284 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
2304 KB |
Output is correct |
2 |
Correct |
8 ms |
2284 KB |
Output is correct |
3 |
Correct |
2 ms |
1260 KB |
Output is correct |
4 |
Correct |
6 ms |
2284 KB |
Output is correct |
5 |
Correct |
13 ms |
2284 KB |
Output is correct |
6 |
Correct |
10 ms |
2432 KB |
Output is correct |
7 |
Correct |
8 ms |
2284 KB |
Output is correct |
8 |
Correct |
13 ms |
2284 KB |
Output is correct |
9 |
Correct |
11 ms |
2284 KB |
Output is correct |
10 |
Correct |
29 ms |
2284 KB |
Output is correct |
11 |
Correct |
32 ms |
2284 KB |
Output is correct |
12 |
Correct |
30 ms |
2284 KB |
Output is correct |
13 |
Correct |
29 ms |
2412 KB |
Output is correct |
14 |
Correct |
28 ms |
2284 KB |
Output is correct |
15 |
Correct |
30 ms |
2284 KB |
Output is correct |
16 |
Correct |
33 ms |
2284 KB |
Output is correct |
17 |
Correct |
19 ms |
2284 KB |
Output is correct |
18 |
Correct |
25 ms |
2284 KB |
Output is correct |
19 |
Correct |
27 ms |
2284 KB |
Output is correct |
20 |
Correct |
29 ms |
2284 KB |
Output is correct |
21 |
Correct |
60 ms |
2284 KB |
Output is correct |
22 |
Correct |
69 ms |
2284 KB |
Output is correct |
23 |
Correct |
48 ms |
2284 KB |
Output is correct |
24 |
Correct |
90 ms |
2284 KB |
Output is correct |
25 |
Correct |
89 ms |
2284 KB |
Output is correct |
26 |
Correct |
91 ms |
2284 KB |
Output is correct |
27 |
Correct |
94 ms |
2284 KB |
Output is correct |
28 |
Correct |
90 ms |
2284 KB |
Output is correct |
29 |
Correct |
92 ms |
2284 KB |
Output is correct |
30 |
Correct |
92 ms |
2284 KB |
Output is correct |
31 |
Correct |
91 ms |
2284 KB |
Output is correct |
32 |
Correct |
95 ms |
2284 KB |
Output is correct |
33 |
Correct |
91 ms |
2284 KB |
Output is correct |
34 |
Correct |
92 ms |
2284 KB |
Output is correct |
35 |
Correct |
91 ms |
2284 KB |
Output is correct |
36 |
Correct |
94 ms |
2284 KB |
Output is correct |
37 |
Correct |
181 ms |
2360 KB |
Output is correct |
38 |
Correct |
181 ms |
2432 KB |
Output is correct |
39 |
Correct |
224 ms |
2284 KB |
Output is correct |
40 |
Correct |
247 ms |
2412 KB |
Output is correct |
41 |
Correct |
247 ms |
2412 KB |
Output is correct |
42 |
Correct |
226 ms |
2412 KB |
Output is correct |
43 |
Correct |
225 ms |
2540 KB |
Output is correct |
44 |
Correct |
230 ms |
2412 KB |
Output is correct |
45 |
Correct |
229 ms |
2540 KB |
Output is correct |
46 |
Correct |
247 ms |
2284 KB |
Output is correct |
47 |
Correct |
229 ms |
2412 KB |
Output is correct |
48 |
Correct |
227 ms |
2412 KB |
Output is correct |
49 |
Correct |
228 ms |
2284 KB |
Output is correct |
50 |
Correct |
234 ms |
2412 KB |
Output is correct |
51 |
Correct |
69 ms |
1388 KB |
Output is correct |
52 |
Correct |
250 ms |
2540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
2304 KB |
Output is correct |
2 |
Correct |
8 ms |
2284 KB |
Output is correct |
3 |
Correct |
2 ms |
1260 KB |
Output is correct |
4 |
Correct |
6 ms |
2284 KB |
Output is correct |
5 |
Correct |
13 ms |
2284 KB |
Output is correct |
6 |
Correct |
10 ms |
2432 KB |
Output is correct |
7 |
Correct |
8 ms |
2284 KB |
Output is correct |
8 |
Correct |
13 ms |
2284 KB |
Output is correct |
9 |
Correct |
11 ms |
2284 KB |
Output is correct |
10 |
Correct |
29 ms |
2284 KB |
Output is correct |
11 |
Correct |
32 ms |
2284 KB |
Output is correct |
12 |
Correct |
30 ms |
2284 KB |
Output is correct |
13 |
Correct |
29 ms |
2412 KB |
Output is correct |
14 |
Correct |
28 ms |
2284 KB |
Output is correct |
15 |
Correct |
30 ms |
2284 KB |
Output is correct |
16 |
Correct |
33 ms |
2284 KB |
Output is correct |
17 |
Correct |
19 ms |
2284 KB |
Output is correct |
18 |
Correct |
25 ms |
2284 KB |
Output is correct |
19 |
Correct |
27 ms |
2284 KB |
Output is correct |
20 |
Correct |
29 ms |
2284 KB |
Output is correct |
21 |
Correct |
60 ms |
2284 KB |
Output is correct |
22 |
Correct |
69 ms |
2284 KB |
Output is correct |
23 |
Correct |
48 ms |
2284 KB |
Output is correct |
24 |
Correct |
90 ms |
2284 KB |
Output is correct |
25 |
Correct |
89 ms |
2284 KB |
Output is correct |
26 |
Correct |
91 ms |
2284 KB |
Output is correct |
27 |
Correct |
94 ms |
2284 KB |
Output is correct |
28 |
Correct |
90 ms |
2284 KB |
Output is correct |
29 |
Correct |
92 ms |
2284 KB |
Output is correct |
30 |
Correct |
92 ms |
2284 KB |
Output is correct |
31 |
Correct |
91 ms |
2284 KB |
Output is correct |
32 |
Correct |
95 ms |
2284 KB |
Output is correct |
33 |
Correct |
91 ms |
2284 KB |
Output is correct |
34 |
Correct |
92 ms |
2284 KB |
Output is correct |
35 |
Correct |
91 ms |
2284 KB |
Output is correct |
36 |
Correct |
94 ms |
2284 KB |
Output is correct |
37 |
Correct |
181 ms |
2360 KB |
Output is correct |
38 |
Correct |
181 ms |
2432 KB |
Output is correct |
39 |
Correct |
224 ms |
2284 KB |
Output is correct |
40 |
Correct |
247 ms |
2412 KB |
Output is correct |
41 |
Correct |
247 ms |
2412 KB |
Output is correct |
42 |
Correct |
226 ms |
2412 KB |
Output is correct |
43 |
Correct |
225 ms |
2540 KB |
Output is correct |
44 |
Correct |
230 ms |
2412 KB |
Output is correct |
45 |
Correct |
229 ms |
2540 KB |
Output is correct |
46 |
Correct |
247 ms |
2284 KB |
Output is correct |
47 |
Correct |
229 ms |
2412 KB |
Output is correct |
48 |
Correct |
227 ms |
2412 KB |
Output is correct |
49 |
Correct |
228 ms |
2284 KB |
Output is correct |
50 |
Correct |
234 ms |
2412 KB |
Output is correct |
51 |
Correct |
69 ms |
1388 KB |
Output is correct |
52 |
Correct |
250 ms |
2540 KB |
Output is correct |
53 |
Correct |
275 ms |
2540 KB |
Output is correct |
54 |
Correct |
315 ms |
2412 KB |
Output is correct |
55 |
Correct |
326 ms |
2540 KB |
Output is correct |
56 |
Correct |
279 ms |
2540 KB |
Output is correct |
57 |
Correct |
326 ms |
2668 KB |
Output is correct |
58 |
Correct |
318 ms |
2540 KB |
Output is correct |
59 |
Correct |
322 ms |
2540 KB |
Output is correct |
60 |
Correct |
98 ms |
1260 KB |
Output is correct |
61 |
Correct |
325 ms |
2540 KB |
Output is correct |
62 |
Correct |
297 ms |
2816 KB |
Output is correct |
63 |
Correct |
296 ms |
2540 KB |
Output is correct |
64 |
Correct |
286 ms |
2540 KB |
Output is correct |
65 |
Correct |
287 ms |
2284 KB |
Output is correct |
66 |
Correct |
285 ms |
2412 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
2304 KB |
Output is correct |
2 |
Correct |
8 ms |
2284 KB |
Output is correct |
3 |
Correct |
2 ms |
1260 KB |
Output is correct |
4 |
Correct |
6 ms |
2284 KB |
Output is correct |
5 |
Correct |
13 ms |
2284 KB |
Output is correct |
6 |
Correct |
10 ms |
2432 KB |
Output is correct |
7 |
Correct |
8 ms |
2284 KB |
Output is correct |
8 |
Correct |
13 ms |
2284 KB |
Output is correct |
9 |
Correct |
11 ms |
2284 KB |
Output is correct |
10 |
Correct |
29 ms |
2284 KB |
Output is correct |
11 |
Correct |
32 ms |
2284 KB |
Output is correct |
12 |
Correct |
30 ms |
2284 KB |
Output is correct |
13 |
Correct |
29 ms |
2412 KB |
Output is correct |
14 |
Correct |
28 ms |
2284 KB |
Output is correct |
15 |
Correct |
30 ms |
2284 KB |
Output is correct |
16 |
Correct |
33 ms |
2284 KB |
Output is correct |
17 |
Correct |
19 ms |
2284 KB |
Output is correct |
18 |
Correct |
25 ms |
2284 KB |
Output is correct |
19 |
Correct |
27 ms |
2284 KB |
Output is correct |
20 |
Correct |
29 ms |
2284 KB |
Output is correct |
21 |
Correct |
60 ms |
2284 KB |
Output is correct |
22 |
Correct |
69 ms |
2284 KB |
Output is correct |
23 |
Correct |
48 ms |
2284 KB |
Output is correct |
24 |
Correct |
90 ms |
2284 KB |
Output is correct |
25 |
Correct |
89 ms |
2284 KB |
Output is correct |
26 |
Correct |
91 ms |
2284 KB |
Output is correct |
27 |
Correct |
94 ms |
2284 KB |
Output is correct |
28 |
Correct |
90 ms |
2284 KB |
Output is correct |
29 |
Correct |
92 ms |
2284 KB |
Output is correct |
30 |
Correct |
92 ms |
2284 KB |
Output is correct |
31 |
Correct |
91 ms |
2284 KB |
Output is correct |
32 |
Correct |
95 ms |
2284 KB |
Output is correct |
33 |
Correct |
91 ms |
2284 KB |
Output is correct |
34 |
Correct |
92 ms |
2284 KB |
Output is correct |
35 |
Correct |
91 ms |
2284 KB |
Output is correct |
36 |
Correct |
94 ms |
2284 KB |
Output is correct |
37 |
Correct |
181 ms |
2360 KB |
Output is correct |
38 |
Correct |
181 ms |
2432 KB |
Output is correct |
39 |
Correct |
224 ms |
2284 KB |
Output is correct |
40 |
Correct |
247 ms |
2412 KB |
Output is correct |
41 |
Correct |
247 ms |
2412 KB |
Output is correct |
42 |
Correct |
226 ms |
2412 KB |
Output is correct |
43 |
Correct |
225 ms |
2540 KB |
Output is correct |
44 |
Correct |
230 ms |
2412 KB |
Output is correct |
45 |
Correct |
229 ms |
2540 KB |
Output is correct |
46 |
Correct |
247 ms |
2284 KB |
Output is correct |
47 |
Correct |
229 ms |
2412 KB |
Output is correct |
48 |
Correct |
227 ms |
2412 KB |
Output is correct |
49 |
Correct |
228 ms |
2284 KB |
Output is correct |
50 |
Correct |
234 ms |
2412 KB |
Output is correct |
51 |
Correct |
69 ms |
1388 KB |
Output is correct |
52 |
Correct |
250 ms |
2540 KB |
Output is correct |
53 |
Correct |
275 ms |
2540 KB |
Output is correct |
54 |
Correct |
315 ms |
2412 KB |
Output is correct |
55 |
Correct |
326 ms |
2540 KB |
Output is correct |
56 |
Correct |
279 ms |
2540 KB |
Output is correct |
57 |
Correct |
326 ms |
2668 KB |
Output is correct |
58 |
Correct |
318 ms |
2540 KB |
Output is correct |
59 |
Correct |
322 ms |
2540 KB |
Output is correct |
60 |
Correct |
98 ms |
1260 KB |
Output is correct |
61 |
Correct |
325 ms |
2540 KB |
Output is correct |
62 |
Correct |
297 ms |
2816 KB |
Output is correct |
63 |
Correct |
296 ms |
2540 KB |
Output is correct |
64 |
Correct |
286 ms |
2540 KB |
Output is correct |
65 |
Correct |
287 ms |
2284 KB |
Output is correct |
66 |
Correct |
285 ms |
2412 KB |
Output is correct |
67 |
Correct |
371 ms |
2476 KB |
Output is correct |
68 |
Correct |
149 ms |
1260 KB |
Output is correct |
69 |
Correct |
469 ms |
3052 KB |
Output is correct |
70 |
Correct |
466 ms |
2668 KB |
Output is correct |
71 |
Correct |
463 ms |
2796 KB |
Output is correct |
72 |
Correct |
459 ms |
2284 KB |
Output is correct |
73 |
Correct |
460 ms |
2412 KB |
Output is correct |
74 |
Correct |
475 ms |
3052 KB |
Output is correct |
75 |
Correct |
471 ms |
3052 KB |
Output is correct |
76 |
Correct |
485 ms |
2924 KB |
Output is correct |
77 |
Correct |
481 ms |
3052 KB |
Output is correct |