#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], dpc[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 = 0; j < a[i]; j++) dpc[j] = dp92[j];
for (int j = a[i]; j <= sum; j++) dpc[j] = Add(dp92[j], -dpc[j - a[i]]);
for (int j = 0; j <= sum; j++) {
int x = 2 * j + a[i] - sum;
if (dpc[j] > 0 && x > 0) cnt[x] += 1;
}
}
vector<int> ans;
for (int i = 1; i <= sum; i++) if (cnt[i] == n) ans.push_back(i);
cout << ans.size() << en;
for (int i : ans) cout << i << sp;
cout << en;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
340 KB |
Output is correct |
22 |
Correct |
2 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
4 ms |
340 KB |
Output is correct |
25 |
Correct |
7 ms |
484 KB |
Output is correct |
26 |
Correct |
7 ms |
444 KB |
Output is correct |
27 |
Correct |
6 ms |
468 KB |
Output is correct |
28 |
Correct |
6 ms |
468 KB |
Output is correct |
29 |
Correct |
6 ms |
340 KB |
Output is correct |
30 |
Correct |
5 ms |
340 KB |
Output is correct |
31 |
Correct |
6 ms |
420 KB |
Output is correct |
32 |
Correct |
4 ms |
392 KB |
Output is correct |
33 |
Correct |
3 ms |
376 KB |
Output is correct |
34 |
Correct |
4 ms |
340 KB |
Output is correct |
35 |
Correct |
6 ms |
340 KB |
Output is correct |
36 |
Correct |
5 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
340 KB |
Output is correct |
22 |
Correct |
2 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
4 ms |
340 KB |
Output is correct |
25 |
Correct |
7 ms |
484 KB |
Output is correct |
26 |
Correct |
7 ms |
444 KB |
Output is correct |
27 |
Correct |
6 ms |
468 KB |
Output is correct |
28 |
Correct |
6 ms |
468 KB |
Output is correct |
29 |
Correct |
6 ms |
340 KB |
Output is correct |
30 |
Correct |
5 ms |
340 KB |
Output is correct |
31 |
Correct |
6 ms |
420 KB |
Output is correct |
32 |
Correct |
4 ms |
392 KB |
Output is correct |
33 |
Correct |
3 ms |
376 KB |
Output is correct |
34 |
Correct |
4 ms |
340 KB |
Output is correct |
35 |
Correct |
6 ms |
340 KB |
Output is correct |
36 |
Correct |
5 ms |
340 KB |
Output is correct |
37 |
Correct |
36 ms |
660 KB |
Output is correct |
38 |
Correct |
36 ms |
692 KB |
Output is correct |
39 |
Correct |
39 ms |
1100 KB |
Output is correct |
40 |
Correct |
80 ms |
956 KB |
Output is correct |
41 |
Correct |
50 ms |
1132 KB |
Output is correct |
42 |
Correct |
74 ms |
828 KB |
Output is correct |
43 |
Correct |
117 ms |
1352 KB |
Output is correct |
44 |
Correct |
122 ms |
1360 KB |
Output is correct |
45 |
Correct |
127 ms |
1356 KB |
Output is correct |
46 |
Correct |
53 ms |
696 KB |
Output is correct |
47 |
Correct |
77 ms |
828 KB |
Output is correct |
48 |
Correct |
110 ms |
1292 KB |
Output is correct |
49 |
Correct |
88 ms |
1100 KB |
Output is correct |
50 |
Correct |
80 ms |
840 KB |
Output is correct |
51 |
Correct |
25 ms |
464 KB |
Output is correct |
52 |
Correct |
163 ms |
1524 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
340 KB |
Output is correct |
22 |
Correct |
2 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
4 ms |
340 KB |
Output is correct |
25 |
Correct |
7 ms |
484 KB |
Output is correct |
26 |
Correct |
7 ms |
444 KB |
Output is correct |
27 |
Correct |
6 ms |
468 KB |
Output is correct |
28 |
Correct |
6 ms |
468 KB |
Output is correct |
29 |
Correct |
6 ms |
340 KB |
Output is correct |
30 |
Correct |
5 ms |
340 KB |
Output is correct |
31 |
Correct |
6 ms |
420 KB |
Output is correct |
32 |
Correct |
4 ms |
392 KB |
Output is correct |
33 |
Correct |
3 ms |
376 KB |
Output is correct |
34 |
Correct |
4 ms |
340 KB |
Output is correct |
35 |
Correct |
6 ms |
340 KB |
Output is correct |
36 |
Correct |
5 ms |
340 KB |
Output is correct |
37 |
Correct |
36 ms |
660 KB |
Output is correct |
38 |
Correct |
36 ms |
692 KB |
Output is correct |
39 |
Correct |
39 ms |
1100 KB |
Output is correct |
40 |
Correct |
80 ms |
956 KB |
Output is correct |
41 |
Correct |
50 ms |
1132 KB |
Output is correct |
42 |
Correct |
74 ms |
828 KB |
Output is correct |
43 |
Correct |
117 ms |
1352 KB |
Output is correct |
44 |
Correct |
122 ms |
1360 KB |
Output is correct |
45 |
Correct |
127 ms |
1356 KB |
Output is correct |
46 |
Correct |
53 ms |
696 KB |
Output is correct |
47 |
Correct |
77 ms |
828 KB |
Output is correct |
48 |
Correct |
110 ms |
1292 KB |
Output is correct |
49 |
Correct |
88 ms |
1100 KB |
Output is correct |
50 |
Correct |
80 ms |
840 KB |
Output is correct |
51 |
Correct |
25 ms |
464 KB |
Output is correct |
52 |
Correct |
163 ms |
1524 KB |
Output is correct |
53 |
Correct |
136 ms |
1228 KB |
Output is correct |
54 |
Correct |
182 ms |
1428 KB |
Output is correct |
55 |
Correct |
333 ms |
2128 KB |
Output is correct |
56 |
Correct |
173 ms |
1352 KB |
Output is correct |
57 |
Correct |
356 ms |
2332 KB |
Output is correct |
58 |
Correct |
201 ms |
1420 KB |
Output is correct |
59 |
Correct |
251 ms |
1640 KB |
Output is correct |
60 |
Correct |
69 ms |
468 KB |
Output is correct |
61 |
Correct |
309 ms |
1844 KB |
Output is correct |
62 |
Correct |
275 ms |
1956 KB |
Output is correct |
63 |
Correct |
332 ms |
2044 KB |
Output is correct |
64 |
Correct |
283 ms |
2036 KB |
Output is correct |
65 |
Correct |
57 ms |
900 KB |
Output is correct |
66 |
Correct |
74 ms |
972 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
340 KB |
Output is correct |
22 |
Correct |
2 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
4 ms |
340 KB |
Output is correct |
25 |
Correct |
7 ms |
484 KB |
Output is correct |
26 |
Correct |
7 ms |
444 KB |
Output is correct |
27 |
Correct |
6 ms |
468 KB |
Output is correct |
28 |
Correct |
6 ms |
468 KB |
Output is correct |
29 |
Correct |
6 ms |
340 KB |
Output is correct |
30 |
Correct |
5 ms |
340 KB |
Output is correct |
31 |
Correct |
6 ms |
420 KB |
Output is correct |
32 |
Correct |
4 ms |
392 KB |
Output is correct |
33 |
Correct |
3 ms |
376 KB |
Output is correct |
34 |
Correct |
4 ms |
340 KB |
Output is correct |
35 |
Correct |
6 ms |
340 KB |
Output is correct |
36 |
Correct |
5 ms |
340 KB |
Output is correct |
37 |
Correct |
36 ms |
660 KB |
Output is correct |
38 |
Correct |
36 ms |
692 KB |
Output is correct |
39 |
Correct |
39 ms |
1100 KB |
Output is correct |
40 |
Correct |
80 ms |
956 KB |
Output is correct |
41 |
Correct |
50 ms |
1132 KB |
Output is correct |
42 |
Correct |
74 ms |
828 KB |
Output is correct |
43 |
Correct |
117 ms |
1352 KB |
Output is correct |
44 |
Correct |
122 ms |
1360 KB |
Output is correct |
45 |
Correct |
127 ms |
1356 KB |
Output is correct |
46 |
Correct |
53 ms |
696 KB |
Output is correct |
47 |
Correct |
77 ms |
828 KB |
Output is correct |
48 |
Correct |
110 ms |
1292 KB |
Output is correct |
49 |
Correct |
88 ms |
1100 KB |
Output is correct |
50 |
Correct |
80 ms |
840 KB |
Output is correct |
51 |
Correct |
25 ms |
464 KB |
Output is correct |
52 |
Correct |
163 ms |
1524 KB |
Output is correct |
53 |
Correct |
136 ms |
1228 KB |
Output is correct |
54 |
Correct |
182 ms |
1428 KB |
Output is correct |
55 |
Correct |
333 ms |
2128 KB |
Output is correct |
56 |
Correct |
173 ms |
1352 KB |
Output is correct |
57 |
Correct |
356 ms |
2332 KB |
Output is correct |
58 |
Correct |
201 ms |
1420 KB |
Output is correct |
59 |
Correct |
251 ms |
1640 KB |
Output is correct |
60 |
Correct |
69 ms |
468 KB |
Output is correct |
61 |
Correct |
309 ms |
1844 KB |
Output is correct |
62 |
Correct |
275 ms |
1956 KB |
Output is correct |
63 |
Correct |
332 ms |
2044 KB |
Output is correct |
64 |
Correct |
283 ms |
2036 KB |
Output is correct |
65 |
Correct |
57 ms |
900 KB |
Output is correct |
66 |
Correct |
74 ms |
972 KB |
Output is correct |
67 |
Correct |
263 ms |
1772 KB |
Output is correct |
68 |
Correct |
139 ms |
792 KB |
Output is correct |
69 |
Correct |
956 ms |
3956 KB |
Output is correct |
70 |
Correct |
607 ms |
2612 KB |
Output is correct |
71 |
Correct |
591 ms |
2544 KB |
Output is correct |
72 |
Correct |
620 ms |
1788 KB |
Output is correct |
73 |
Correct |
558 ms |
1844 KB |
Output is correct |
74 |
Execution timed out |
1000 ms |
4172 KB |
Time limit exceeded |
75 |
Halted |
0 ms |
0 KB |
- |