#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 500 + 2;
const int mod = 1e9 + 7;
int a[N], cnt[N * N], dp92[N * N];
int Add(int a, int b) {
a += b;
while (a >= mod) a -= mod;
while (a < 0) a += mod;
return a;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n; cin >> n;
int sum = 0;
for (int i = 1; i <= n; i++) {
cin >> a[i];
sum += a[i];
}
dp92[0] = 1;
for (int i = 1; i <= n; i++) {
for (int j = sum; j >= a[i]; j--) {
dp92[j] = Add(dp92[j], dp92[j - a[i]]);
}
}
if (sum % 2 == 1 || dp92[sum / 2] == 0) {
cout << 0 << en;
return 0;
}
for (int i = 1; i <= n; i++) {
for (int j = a[i]; j <= sum; j++) dp92[j] = Add(dp92[j], -dp92[j - a[i]]);
for (int j = 0; j <= sum; j++) {
int x = 2 * j + a[i] - sum;
if (dp92[j] > 0 && x > 0) cnt[x] += 1;
}
for (int j = sum; j >= a[i]; j--) dp92[j] = Add(dp92[j], dp92[j - a[i]]);
}
vector<int> ans;
for (int i = 1; i <= sum; i++) if (cnt[i] == n) ans.push_back(i);
sort(ans.begin(), ans.end());
cout << ans.size() << en;
for (int i : ans) cout << i << sp;
cout << en;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
3 ms |
332 KB |
Output is correct |
22 |
Correct |
4 ms |
340 KB |
Output is correct |
23 |
Correct |
2 ms |
340 KB |
Output is correct |
24 |
Correct |
7 ms |
340 KB |
Output is correct |
25 |
Correct |
10 ms |
340 KB |
Output is correct |
26 |
Correct |
12 ms |
340 KB |
Output is correct |
27 |
Correct |
10 ms |
336 KB |
Output is correct |
28 |
Correct |
9 ms |
340 KB |
Output is correct |
29 |
Correct |
8 ms |
332 KB |
Output is correct |
30 |
Correct |
7 ms |
328 KB |
Output is correct |
31 |
Correct |
10 ms |
340 KB |
Output is correct |
32 |
Correct |
8 ms |
340 KB |
Output is correct |
33 |
Correct |
4 ms |
340 KB |
Output is correct |
34 |
Correct |
4 ms |
332 KB |
Output is correct |
35 |
Correct |
7 ms |
340 KB |
Output is correct |
36 |
Correct |
7 ms |
324 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
3 ms |
332 KB |
Output is correct |
22 |
Correct |
4 ms |
340 KB |
Output is correct |
23 |
Correct |
2 ms |
340 KB |
Output is correct |
24 |
Correct |
7 ms |
340 KB |
Output is correct |
25 |
Correct |
10 ms |
340 KB |
Output is correct |
26 |
Correct |
12 ms |
340 KB |
Output is correct |
27 |
Correct |
10 ms |
336 KB |
Output is correct |
28 |
Correct |
9 ms |
340 KB |
Output is correct |
29 |
Correct |
8 ms |
332 KB |
Output is correct |
30 |
Correct |
7 ms |
328 KB |
Output is correct |
31 |
Correct |
10 ms |
340 KB |
Output is correct |
32 |
Correct |
8 ms |
340 KB |
Output is correct |
33 |
Correct |
4 ms |
340 KB |
Output is correct |
34 |
Correct |
4 ms |
332 KB |
Output is correct |
35 |
Correct |
7 ms |
340 KB |
Output is correct |
36 |
Correct |
7 ms |
324 KB |
Output is correct |
37 |
Correct |
57 ms |
592 KB |
Output is correct |
38 |
Correct |
57 ms |
572 KB |
Output is correct |
39 |
Correct |
50 ms |
792 KB |
Output is correct |
40 |
Correct |
129 ms |
700 KB |
Output is correct |
41 |
Correct |
69 ms |
884 KB |
Output is correct |
42 |
Correct |
108 ms |
680 KB |
Output is correct |
43 |
Correct |
197 ms |
1044 KB |
Output is correct |
44 |
Correct |
195 ms |
1140 KB |
Output is correct |
45 |
Correct |
195 ms |
1200 KB |
Output is correct |
46 |
Correct |
77 ms |
452 KB |
Output is correct |
47 |
Correct |
122 ms |
700 KB |
Output is correct |
48 |
Correct |
178 ms |
1076 KB |
Output is correct |
49 |
Correct |
129 ms |
792 KB |
Output is correct |
50 |
Correct |
118 ms |
696 KB |
Output is correct |
51 |
Correct |
25 ms |
464 KB |
Output is correct |
52 |
Correct |
253 ms |
1236 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
3 ms |
332 KB |
Output is correct |
22 |
Correct |
4 ms |
340 KB |
Output is correct |
23 |
Correct |
2 ms |
340 KB |
Output is correct |
24 |
Correct |
7 ms |
340 KB |
Output is correct |
25 |
Correct |
10 ms |
340 KB |
Output is correct |
26 |
Correct |
12 ms |
340 KB |
Output is correct |
27 |
Correct |
10 ms |
336 KB |
Output is correct |
28 |
Correct |
9 ms |
340 KB |
Output is correct |
29 |
Correct |
8 ms |
332 KB |
Output is correct |
30 |
Correct |
7 ms |
328 KB |
Output is correct |
31 |
Correct |
10 ms |
340 KB |
Output is correct |
32 |
Correct |
8 ms |
340 KB |
Output is correct |
33 |
Correct |
4 ms |
340 KB |
Output is correct |
34 |
Correct |
4 ms |
332 KB |
Output is correct |
35 |
Correct |
7 ms |
340 KB |
Output is correct |
36 |
Correct |
7 ms |
324 KB |
Output is correct |
37 |
Correct |
57 ms |
592 KB |
Output is correct |
38 |
Correct |
57 ms |
572 KB |
Output is correct |
39 |
Correct |
50 ms |
792 KB |
Output is correct |
40 |
Correct |
129 ms |
700 KB |
Output is correct |
41 |
Correct |
69 ms |
884 KB |
Output is correct |
42 |
Correct |
108 ms |
680 KB |
Output is correct |
43 |
Correct |
197 ms |
1044 KB |
Output is correct |
44 |
Correct |
195 ms |
1140 KB |
Output is correct |
45 |
Correct |
195 ms |
1200 KB |
Output is correct |
46 |
Correct |
77 ms |
452 KB |
Output is correct |
47 |
Correct |
122 ms |
700 KB |
Output is correct |
48 |
Correct |
178 ms |
1076 KB |
Output is correct |
49 |
Correct |
129 ms |
792 KB |
Output is correct |
50 |
Correct |
118 ms |
696 KB |
Output is correct |
51 |
Correct |
25 ms |
464 KB |
Output is correct |
52 |
Correct |
253 ms |
1236 KB |
Output is correct |
53 |
Correct |
221 ms |
1012 KB |
Output is correct |
54 |
Correct |
290 ms |
1100 KB |
Output is correct |
55 |
Correct |
532 ms |
1772 KB |
Output is correct |
56 |
Correct |
247 ms |
1128 KB |
Output is correct |
57 |
Correct |
599 ms |
1920 KB |
Output is correct |
58 |
Correct |
326 ms |
1192 KB |
Output is correct |
59 |
Correct |
391 ms |
1484 KB |
Output is correct |
60 |
Correct |
68 ms |
468 KB |
Output is correct |
61 |
Correct |
434 ms |
1496 KB |
Output is correct |
62 |
Correct |
433 ms |
1584 KB |
Output is correct |
63 |
Correct |
470 ms |
1628 KB |
Output is correct |
64 |
Correct |
448 ms |
1632 KB |
Output is correct |
65 |
Correct |
68 ms |
704 KB |
Output is correct |
66 |
Correct |
98 ms |
736 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
328 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
3 ms |
332 KB |
Output is correct |
22 |
Correct |
4 ms |
340 KB |
Output is correct |
23 |
Correct |
2 ms |
340 KB |
Output is correct |
24 |
Correct |
7 ms |
340 KB |
Output is correct |
25 |
Correct |
10 ms |
340 KB |
Output is correct |
26 |
Correct |
12 ms |
340 KB |
Output is correct |
27 |
Correct |
10 ms |
336 KB |
Output is correct |
28 |
Correct |
9 ms |
340 KB |
Output is correct |
29 |
Correct |
8 ms |
332 KB |
Output is correct |
30 |
Correct |
7 ms |
328 KB |
Output is correct |
31 |
Correct |
10 ms |
340 KB |
Output is correct |
32 |
Correct |
8 ms |
340 KB |
Output is correct |
33 |
Correct |
4 ms |
340 KB |
Output is correct |
34 |
Correct |
4 ms |
332 KB |
Output is correct |
35 |
Correct |
7 ms |
340 KB |
Output is correct |
36 |
Correct |
7 ms |
324 KB |
Output is correct |
37 |
Correct |
57 ms |
592 KB |
Output is correct |
38 |
Correct |
57 ms |
572 KB |
Output is correct |
39 |
Correct |
50 ms |
792 KB |
Output is correct |
40 |
Correct |
129 ms |
700 KB |
Output is correct |
41 |
Correct |
69 ms |
884 KB |
Output is correct |
42 |
Correct |
108 ms |
680 KB |
Output is correct |
43 |
Correct |
197 ms |
1044 KB |
Output is correct |
44 |
Correct |
195 ms |
1140 KB |
Output is correct |
45 |
Correct |
195 ms |
1200 KB |
Output is correct |
46 |
Correct |
77 ms |
452 KB |
Output is correct |
47 |
Correct |
122 ms |
700 KB |
Output is correct |
48 |
Correct |
178 ms |
1076 KB |
Output is correct |
49 |
Correct |
129 ms |
792 KB |
Output is correct |
50 |
Correct |
118 ms |
696 KB |
Output is correct |
51 |
Correct |
25 ms |
464 KB |
Output is correct |
52 |
Correct |
253 ms |
1236 KB |
Output is correct |
53 |
Correct |
221 ms |
1012 KB |
Output is correct |
54 |
Correct |
290 ms |
1100 KB |
Output is correct |
55 |
Correct |
532 ms |
1772 KB |
Output is correct |
56 |
Correct |
247 ms |
1128 KB |
Output is correct |
57 |
Correct |
599 ms |
1920 KB |
Output is correct |
58 |
Correct |
326 ms |
1192 KB |
Output is correct |
59 |
Correct |
391 ms |
1484 KB |
Output is correct |
60 |
Correct |
68 ms |
468 KB |
Output is correct |
61 |
Correct |
434 ms |
1496 KB |
Output is correct |
62 |
Correct |
433 ms |
1584 KB |
Output is correct |
63 |
Correct |
470 ms |
1628 KB |
Output is correct |
64 |
Correct |
448 ms |
1632 KB |
Output is correct |
65 |
Correct |
68 ms |
704 KB |
Output is correct |
66 |
Correct |
98 ms |
736 KB |
Output is correct |
67 |
Correct |
444 ms |
1532 KB |
Output is correct |
68 |
Correct |
138 ms |
792 KB |
Output is correct |
69 |
Execution timed out |
1081 ms |
1904 KB |
Time limit exceeded |
70 |
Halted |
0 ms |
0 KB |
- |