#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;
dp92[0] = 1;
for (int i = 1; i <= n; i++) {
cin >> a[i];
sum += a[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 |
340 KB |
Output is correct |
4 |
Correct |
1 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 |
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 |
340 KB |
Output is correct |
4 |
Correct |
1 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 |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 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 |
340 KB |
Output is correct |
4 |
Correct |
1 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 |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 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 |
6 ms |
492 KB |
Output is correct |
26 |
Correct |
6 ms |
468 KB |
Output is correct |
27 |
Correct |
4 ms |
348 KB |
Output is correct |
28 |
Correct |
5 ms |
468 KB |
Output is correct |
29 |
Correct |
5 ms |
340 KB |
Output is correct |
30 |
Correct |
5 ms |
340 KB |
Output is correct |
31 |
Correct |
8 ms |
468 KB |
Output is correct |
32 |
Correct |
5 ms |
340 KB |
Output is correct |
33 |
Correct |
3 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
340 KB |
Output is correct |
35 |
Correct |
4 ms |
340 KB |
Output is correct |
36 |
Correct |
4 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 |
340 KB |
Output is correct |
4 |
Correct |
1 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 |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 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 |
6 ms |
492 KB |
Output is correct |
26 |
Correct |
6 ms |
468 KB |
Output is correct |
27 |
Correct |
4 ms |
348 KB |
Output is correct |
28 |
Correct |
5 ms |
468 KB |
Output is correct |
29 |
Correct |
5 ms |
340 KB |
Output is correct |
30 |
Correct |
5 ms |
340 KB |
Output is correct |
31 |
Correct |
8 ms |
468 KB |
Output is correct |
32 |
Correct |
5 ms |
340 KB |
Output is correct |
33 |
Correct |
3 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
340 KB |
Output is correct |
35 |
Correct |
4 ms |
340 KB |
Output is correct |
36 |
Correct |
4 ms |
340 KB |
Output is correct |
37 |
Correct |
32 ms |
688 KB |
Output is correct |
38 |
Correct |
35 ms |
704 KB |
Output is correct |
39 |
Correct |
29 ms |
980 KB |
Output is correct |
40 |
Correct |
86 ms |
832 KB |
Output is correct |
41 |
Correct |
42 ms |
1192 KB |
Output is correct |
42 |
Correct |
64 ms |
796 KB |
Output is correct |
43 |
Correct |
109 ms |
1356 KB |
Output is correct |
44 |
Correct |
121 ms |
1372 KB |
Output is correct |
45 |
Correct |
125 ms |
1280 KB |
Output is correct |
46 |
Correct |
45 ms |
716 KB |
Output is correct |
47 |
Correct |
70 ms |
832 KB |
Output is correct |
48 |
Correct |
100 ms |
1356 KB |
Output is correct |
49 |
Correct |
71 ms |
1064 KB |
Output is correct |
50 |
Correct |
73 ms |
832 KB |
Output is correct |
51 |
Correct |
19 ms |
372 KB |
Output is correct |
52 |
Correct |
147 ms |
1516 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 |
340 KB |
Output is correct |
4 |
Correct |
1 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 |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 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 |
6 ms |
492 KB |
Output is correct |
26 |
Correct |
6 ms |
468 KB |
Output is correct |
27 |
Correct |
4 ms |
348 KB |
Output is correct |
28 |
Correct |
5 ms |
468 KB |
Output is correct |
29 |
Correct |
5 ms |
340 KB |
Output is correct |
30 |
Correct |
5 ms |
340 KB |
Output is correct |
31 |
Correct |
8 ms |
468 KB |
Output is correct |
32 |
Correct |
5 ms |
340 KB |
Output is correct |
33 |
Correct |
3 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
340 KB |
Output is correct |
35 |
Correct |
4 ms |
340 KB |
Output is correct |
36 |
Correct |
4 ms |
340 KB |
Output is correct |
37 |
Correct |
32 ms |
688 KB |
Output is correct |
38 |
Correct |
35 ms |
704 KB |
Output is correct |
39 |
Correct |
29 ms |
980 KB |
Output is correct |
40 |
Correct |
86 ms |
832 KB |
Output is correct |
41 |
Correct |
42 ms |
1192 KB |
Output is correct |
42 |
Correct |
64 ms |
796 KB |
Output is correct |
43 |
Correct |
109 ms |
1356 KB |
Output is correct |
44 |
Correct |
121 ms |
1372 KB |
Output is correct |
45 |
Correct |
125 ms |
1280 KB |
Output is correct |
46 |
Correct |
45 ms |
716 KB |
Output is correct |
47 |
Correct |
70 ms |
832 KB |
Output is correct |
48 |
Correct |
100 ms |
1356 KB |
Output is correct |
49 |
Correct |
71 ms |
1064 KB |
Output is correct |
50 |
Correct |
73 ms |
832 KB |
Output is correct |
51 |
Correct |
19 ms |
372 KB |
Output is correct |
52 |
Correct |
147 ms |
1516 KB |
Output is correct |
53 |
Correct |
116 ms |
1100 KB |
Output is correct |
54 |
Correct |
171 ms |
1356 KB |
Output is correct |
55 |
Correct |
306 ms |
2132 KB |
Output is correct |
56 |
Correct |
146 ms |
1352 KB |
Output is correct |
57 |
Correct |
328 ms |
2448 KB |
Output is correct |
58 |
Correct |
187 ms |
1356 KB |
Output is correct |
59 |
Correct |
227 ms |
1600 KB |
Output is correct |
60 |
Correct |
53 ms |
672 KB |
Output is correct |
61 |
Correct |
252 ms |
1844 KB |
Output is correct |
62 |
Correct |
257 ms |
1952 KB |
Output is correct |
63 |
Correct |
273 ms |
2140 KB |
Output is correct |
64 |
Correct |
271 ms |
2044 KB |
Output is correct |
65 |
Correct |
39 ms |
888 KB |
Output is correct |
66 |
Correct |
53 ms |
948 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 |
340 KB |
Output is correct |
4 |
Correct |
1 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 |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 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 |
6 ms |
492 KB |
Output is correct |
26 |
Correct |
6 ms |
468 KB |
Output is correct |
27 |
Correct |
4 ms |
348 KB |
Output is correct |
28 |
Correct |
5 ms |
468 KB |
Output is correct |
29 |
Correct |
5 ms |
340 KB |
Output is correct |
30 |
Correct |
5 ms |
340 KB |
Output is correct |
31 |
Correct |
8 ms |
468 KB |
Output is correct |
32 |
Correct |
5 ms |
340 KB |
Output is correct |
33 |
Correct |
3 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
340 KB |
Output is correct |
35 |
Correct |
4 ms |
340 KB |
Output is correct |
36 |
Correct |
4 ms |
340 KB |
Output is correct |
37 |
Correct |
32 ms |
688 KB |
Output is correct |
38 |
Correct |
35 ms |
704 KB |
Output is correct |
39 |
Correct |
29 ms |
980 KB |
Output is correct |
40 |
Correct |
86 ms |
832 KB |
Output is correct |
41 |
Correct |
42 ms |
1192 KB |
Output is correct |
42 |
Correct |
64 ms |
796 KB |
Output is correct |
43 |
Correct |
109 ms |
1356 KB |
Output is correct |
44 |
Correct |
121 ms |
1372 KB |
Output is correct |
45 |
Correct |
125 ms |
1280 KB |
Output is correct |
46 |
Correct |
45 ms |
716 KB |
Output is correct |
47 |
Correct |
70 ms |
832 KB |
Output is correct |
48 |
Correct |
100 ms |
1356 KB |
Output is correct |
49 |
Correct |
71 ms |
1064 KB |
Output is correct |
50 |
Correct |
73 ms |
832 KB |
Output is correct |
51 |
Correct |
19 ms |
372 KB |
Output is correct |
52 |
Correct |
147 ms |
1516 KB |
Output is correct |
53 |
Correct |
116 ms |
1100 KB |
Output is correct |
54 |
Correct |
171 ms |
1356 KB |
Output is correct |
55 |
Correct |
306 ms |
2132 KB |
Output is correct |
56 |
Correct |
146 ms |
1352 KB |
Output is correct |
57 |
Correct |
328 ms |
2448 KB |
Output is correct |
58 |
Correct |
187 ms |
1356 KB |
Output is correct |
59 |
Correct |
227 ms |
1600 KB |
Output is correct |
60 |
Correct |
53 ms |
672 KB |
Output is correct |
61 |
Correct |
252 ms |
1844 KB |
Output is correct |
62 |
Correct |
257 ms |
1952 KB |
Output is correct |
63 |
Correct |
273 ms |
2140 KB |
Output is correct |
64 |
Correct |
271 ms |
2044 KB |
Output is correct |
65 |
Correct |
39 ms |
888 KB |
Output is correct |
66 |
Correct |
53 ms |
948 KB |
Output is correct |
67 |
Correct |
245 ms |
1768 KB |
Output is correct |
68 |
Correct |
88 ms |
716 KB |
Output is correct |
69 |
Correct |
893 ms |
3952 KB |
Output is correct |
70 |
Correct |
550 ms |
2628 KB |
Output is correct |
71 |
Correct |
530 ms |
2512 KB |
Output is correct |
72 |
Correct |
543 ms |
1780 KB |
Output is correct |
73 |
Correct |
544 ms |
1880 KB |
Output is correct |
74 |
Correct |
926 ms |
4092 KB |
Output is correct |
75 |
Correct |
744 ms |
3420 KB |
Output is correct |
76 |
Correct |
941 ms |
4336 KB |
Output is correct |
77 |
Correct |
981 ms |
4520 KB |
Output is correct |