#include <iostream>
#include <cstdio>
#include <algorithm>
#include <set>
using namespace std;
#define endl '\n'
#define pi pair<int, int>
const int maxn = 500, m = 250001;
int n;
int a[maxn], dp[m];
set<int> cur;
int s;
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
cin >> n;
dp[0] = 1;
for(int i = 0; i < n; i++){
cin >> a[i];
s += a[i];
for(int j = s - a[i]; j >= 0; j--){
dp[j + a[i]] += dp[j];
}
}
if(s % 2 || !dp[s / 2]){
cout << 0 << endl;
cout << endl;
return 0;
}
for(int i = 1; i < s; i++) cur.insert(i);
for(int i = 0; i < n; i++){
for(int j = 0; j < s - a[i]; j++){
dp[j + a[i]] -= dp[j];
}
for(auto it = cur.begin(); it != cur.end();){
int x = *it;
it++;
if((s - a[i] + x) % 2 || !dp[(s - a[i] + x) / 2]) cur.erase(x);
}
for(int j = s - a[i]; j >= 0; j--){
dp[j + a[i]] += dp[j];
}
}
cout << cur.size() << endl;
for(auto it = cur.begin(); it != cur.end();){
int j = *it;
it++;
cout << j;
if(it != cur.end()) cout << " ";
}
cout << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
4 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
4 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
380 KB |
Output is correct |
15 |
Correct |
2 ms |
380 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
4 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
380 KB |
Output is correct |
15 |
Correct |
2 ms |
380 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
4 ms |
504 KB |
Output is correct |
22 |
Correct |
4 ms |
504 KB |
Output is correct |
23 |
Correct |
3 ms |
504 KB |
Output is correct |
24 |
Correct |
6 ms |
632 KB |
Output is correct |
25 |
Correct |
9 ms |
888 KB |
Output is correct |
26 |
Correct |
10 ms |
888 KB |
Output is correct |
27 |
Correct |
8 ms |
760 KB |
Output is correct |
28 |
Correct |
8 ms |
916 KB |
Output is correct |
29 |
Correct |
6 ms |
888 KB |
Output is correct |
30 |
Correct |
4 ms |
632 KB |
Output is correct |
31 |
Correct |
10 ms |
760 KB |
Output is correct |
32 |
Correct |
7 ms |
632 KB |
Output is correct |
33 |
Correct |
5 ms |
888 KB |
Output is correct |
34 |
Correct |
6 ms |
888 KB |
Output is correct |
35 |
Correct |
6 ms |
760 KB |
Output is correct |
36 |
Correct |
6 ms |
632 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
4 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
380 KB |
Output is correct |
15 |
Correct |
2 ms |
380 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
4 ms |
504 KB |
Output is correct |
22 |
Correct |
4 ms |
504 KB |
Output is correct |
23 |
Correct |
3 ms |
504 KB |
Output is correct |
24 |
Correct |
6 ms |
632 KB |
Output is correct |
25 |
Correct |
9 ms |
888 KB |
Output is correct |
26 |
Correct |
10 ms |
888 KB |
Output is correct |
27 |
Correct |
8 ms |
760 KB |
Output is correct |
28 |
Correct |
8 ms |
916 KB |
Output is correct |
29 |
Correct |
6 ms |
888 KB |
Output is correct |
30 |
Correct |
4 ms |
632 KB |
Output is correct |
31 |
Correct |
10 ms |
760 KB |
Output is correct |
32 |
Correct |
7 ms |
632 KB |
Output is correct |
33 |
Correct |
5 ms |
888 KB |
Output is correct |
34 |
Correct |
6 ms |
888 KB |
Output is correct |
35 |
Correct |
6 ms |
760 KB |
Output is correct |
36 |
Correct |
6 ms |
632 KB |
Output is correct |
37 |
Correct |
42 ms |
1400 KB |
Output is correct |
38 |
Correct |
41 ms |
1400 KB |
Output is correct |
39 |
Correct |
45 ms |
3448 KB |
Output is correct |
40 |
Correct |
88 ms |
2068 KB |
Output is correct |
41 |
Correct |
56 ms |
4088 KB |
Output is correct |
42 |
Correct |
76 ms |
1912 KB |
Output is correct |
43 |
Correct |
130 ms |
3352 KB |
Output is correct |
44 |
Correct |
141 ms |
3320 KB |
Output is correct |
45 |
Correct |
139 ms |
3388 KB |
Output is correct |
46 |
Correct |
24 ms |
1916 KB |
Output is correct |
47 |
Correct |
86 ms |
2040 KB |
Output is correct |
48 |
Correct |
112 ms |
3576 KB |
Output is correct |
49 |
Correct |
64 ms |
3576 KB |
Output is correct |
50 |
Correct |
83 ms |
2040 KB |
Output is correct |
51 |
Correct |
4 ms |
504 KB |
Output is correct |
52 |
Correct |
173 ms |
4112 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
4 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
380 KB |
Output is correct |
15 |
Correct |
2 ms |
380 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
4 ms |
504 KB |
Output is correct |
22 |
Correct |
4 ms |
504 KB |
Output is correct |
23 |
Correct |
3 ms |
504 KB |
Output is correct |
24 |
Correct |
6 ms |
632 KB |
Output is correct |
25 |
Correct |
9 ms |
888 KB |
Output is correct |
26 |
Correct |
10 ms |
888 KB |
Output is correct |
27 |
Correct |
8 ms |
760 KB |
Output is correct |
28 |
Correct |
8 ms |
916 KB |
Output is correct |
29 |
Correct |
6 ms |
888 KB |
Output is correct |
30 |
Correct |
4 ms |
632 KB |
Output is correct |
31 |
Correct |
10 ms |
760 KB |
Output is correct |
32 |
Correct |
7 ms |
632 KB |
Output is correct |
33 |
Correct |
5 ms |
888 KB |
Output is correct |
34 |
Correct |
6 ms |
888 KB |
Output is correct |
35 |
Correct |
6 ms |
760 KB |
Output is correct |
36 |
Correct |
6 ms |
632 KB |
Output is correct |
37 |
Correct |
42 ms |
1400 KB |
Output is correct |
38 |
Correct |
41 ms |
1400 KB |
Output is correct |
39 |
Correct |
45 ms |
3448 KB |
Output is correct |
40 |
Correct |
88 ms |
2068 KB |
Output is correct |
41 |
Correct |
56 ms |
4088 KB |
Output is correct |
42 |
Correct |
76 ms |
1912 KB |
Output is correct |
43 |
Correct |
130 ms |
3352 KB |
Output is correct |
44 |
Correct |
141 ms |
3320 KB |
Output is correct |
45 |
Correct |
139 ms |
3388 KB |
Output is correct |
46 |
Correct |
24 ms |
1916 KB |
Output is correct |
47 |
Correct |
86 ms |
2040 KB |
Output is correct |
48 |
Correct |
112 ms |
3576 KB |
Output is correct |
49 |
Correct |
64 ms |
3576 KB |
Output is correct |
50 |
Correct |
83 ms |
2040 KB |
Output is correct |
51 |
Correct |
4 ms |
504 KB |
Output is correct |
52 |
Correct |
173 ms |
4112 KB |
Output is correct |
53 |
Correct |
135 ms |
2852 KB |
Output is correct |
54 |
Correct |
216 ms |
3380 KB |
Output is correct |
55 |
Correct |
359 ms |
6392 KB |
Output is correct |
56 |
Correct |
169 ms |
3448 KB |
Output is correct |
57 |
Correct |
372 ms |
6648 KB |
Output is correct |
58 |
Correct |
218 ms |
3660 KB |
Output is correct |
59 |
Correct |
271 ms |
4472 KB |
Output is correct |
60 |
Correct |
8 ms |
504 KB |
Output is correct |
61 |
Correct |
296 ms |
4984 KB |
Output is correct |
62 |
Correct |
294 ms |
5624 KB |
Output is correct |
63 |
Correct |
322 ms |
6008 KB |
Output is correct |
64 |
Correct |
310 ms |
5840 KB |
Output is correct |
65 |
Correct |
49 ms |
2936 KB |
Output is correct |
66 |
Correct |
83 ms |
3064 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
4 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
380 KB |
Output is correct |
15 |
Correct |
2 ms |
380 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
4 ms |
504 KB |
Output is correct |
22 |
Correct |
4 ms |
504 KB |
Output is correct |
23 |
Correct |
3 ms |
504 KB |
Output is correct |
24 |
Correct |
6 ms |
632 KB |
Output is correct |
25 |
Correct |
9 ms |
888 KB |
Output is correct |
26 |
Correct |
10 ms |
888 KB |
Output is correct |
27 |
Correct |
8 ms |
760 KB |
Output is correct |
28 |
Correct |
8 ms |
916 KB |
Output is correct |
29 |
Correct |
6 ms |
888 KB |
Output is correct |
30 |
Correct |
4 ms |
632 KB |
Output is correct |
31 |
Correct |
10 ms |
760 KB |
Output is correct |
32 |
Correct |
7 ms |
632 KB |
Output is correct |
33 |
Correct |
5 ms |
888 KB |
Output is correct |
34 |
Correct |
6 ms |
888 KB |
Output is correct |
35 |
Correct |
6 ms |
760 KB |
Output is correct |
36 |
Correct |
6 ms |
632 KB |
Output is correct |
37 |
Correct |
42 ms |
1400 KB |
Output is correct |
38 |
Correct |
41 ms |
1400 KB |
Output is correct |
39 |
Correct |
45 ms |
3448 KB |
Output is correct |
40 |
Correct |
88 ms |
2068 KB |
Output is correct |
41 |
Correct |
56 ms |
4088 KB |
Output is correct |
42 |
Correct |
76 ms |
1912 KB |
Output is correct |
43 |
Correct |
130 ms |
3352 KB |
Output is correct |
44 |
Correct |
141 ms |
3320 KB |
Output is correct |
45 |
Correct |
139 ms |
3388 KB |
Output is correct |
46 |
Correct |
24 ms |
1916 KB |
Output is correct |
47 |
Correct |
86 ms |
2040 KB |
Output is correct |
48 |
Correct |
112 ms |
3576 KB |
Output is correct |
49 |
Correct |
64 ms |
3576 KB |
Output is correct |
50 |
Correct |
83 ms |
2040 KB |
Output is correct |
51 |
Correct |
4 ms |
504 KB |
Output is correct |
52 |
Correct |
173 ms |
4112 KB |
Output is correct |
53 |
Correct |
135 ms |
2852 KB |
Output is correct |
54 |
Correct |
216 ms |
3380 KB |
Output is correct |
55 |
Correct |
359 ms |
6392 KB |
Output is correct |
56 |
Correct |
169 ms |
3448 KB |
Output is correct |
57 |
Correct |
372 ms |
6648 KB |
Output is correct |
58 |
Correct |
218 ms |
3660 KB |
Output is correct |
59 |
Correct |
271 ms |
4472 KB |
Output is correct |
60 |
Correct |
8 ms |
504 KB |
Output is correct |
61 |
Correct |
296 ms |
4984 KB |
Output is correct |
62 |
Correct |
294 ms |
5624 KB |
Output is correct |
63 |
Correct |
322 ms |
6008 KB |
Output is correct |
64 |
Correct |
310 ms |
5840 KB |
Output is correct |
65 |
Correct |
49 ms |
2936 KB |
Output is correct |
66 |
Correct |
83 ms |
3064 KB |
Output is correct |
67 |
Correct |
311 ms |
4584 KB |
Output is correct |
68 |
Correct |
21 ms |
764 KB |
Output is correct |
69 |
Execution timed out |
1066 ms |
11128 KB |
Time limit exceeded |
70 |
Halted |
0 ms |
0 KB |
- |