#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 < 3 * m / 2; 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;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
159 ms |
17912 KB |
Output is correct |
2 |
Correct |
162 ms |
17952 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
156 ms |
17912 KB |
Output is correct |
5 |
Correct |
166 ms |
18012 KB |
Output is correct |
6 |
Correct |
160 ms |
18040 KB |
Output is correct |
7 |
Correct |
158 ms |
17988 KB |
Output is correct |
8 |
Correct |
159 ms |
17988 KB |
Output is correct |
9 |
Correct |
166 ms |
18040 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
159 ms |
17912 KB |
Output is correct |
2 |
Correct |
162 ms |
17952 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
156 ms |
17912 KB |
Output is correct |
5 |
Correct |
166 ms |
18012 KB |
Output is correct |
6 |
Correct |
160 ms |
18040 KB |
Output is correct |
7 |
Correct |
158 ms |
17988 KB |
Output is correct |
8 |
Correct |
159 ms |
17988 KB |
Output is correct |
9 |
Correct |
166 ms |
18040 KB |
Output is correct |
10 |
Correct |
162 ms |
17912 KB |
Output is correct |
11 |
Correct |
160 ms |
17996 KB |
Output is correct |
12 |
Correct |
162 ms |
18040 KB |
Output is correct |
13 |
Correct |
160 ms |
18116 KB |
Output is correct |
14 |
Correct |
169 ms |
17912 KB |
Output is correct |
15 |
Correct |
160 ms |
17948 KB |
Output is correct |
16 |
Correct |
162 ms |
18040 KB |
Output is correct |
17 |
Correct |
162 ms |
18040 KB |
Output is correct |
18 |
Correct |
160 ms |
17976 KB |
Output is correct |
19 |
Correct |
164 ms |
18040 KB |
Output is correct |
20 |
Correct |
159 ms |
17912 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
159 ms |
17912 KB |
Output is correct |
2 |
Correct |
162 ms |
17952 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
156 ms |
17912 KB |
Output is correct |
5 |
Correct |
166 ms |
18012 KB |
Output is correct |
6 |
Correct |
160 ms |
18040 KB |
Output is correct |
7 |
Correct |
158 ms |
17988 KB |
Output is correct |
8 |
Correct |
159 ms |
17988 KB |
Output is correct |
9 |
Correct |
166 ms |
18040 KB |
Output is correct |
10 |
Correct |
162 ms |
17912 KB |
Output is correct |
11 |
Correct |
160 ms |
17996 KB |
Output is correct |
12 |
Correct |
162 ms |
18040 KB |
Output is correct |
13 |
Correct |
160 ms |
18116 KB |
Output is correct |
14 |
Correct |
169 ms |
17912 KB |
Output is correct |
15 |
Correct |
160 ms |
17948 KB |
Output is correct |
16 |
Correct |
162 ms |
18040 KB |
Output is correct |
17 |
Correct |
162 ms |
18040 KB |
Output is correct |
18 |
Correct |
160 ms |
17976 KB |
Output is correct |
19 |
Correct |
164 ms |
18040 KB |
Output is correct |
20 |
Correct |
159 ms |
17912 KB |
Output is correct |
21 |
Correct |
166 ms |
18024 KB |
Output is correct |
22 |
Correct |
166 ms |
17912 KB |
Output is correct |
23 |
Correct |
171 ms |
18108 KB |
Output is correct |
24 |
Correct |
171 ms |
17976 KB |
Output is correct |
25 |
Correct |
175 ms |
18012 KB |
Output is correct |
26 |
Correct |
174 ms |
18000 KB |
Output is correct |
27 |
Correct |
168 ms |
18108 KB |
Output is correct |
28 |
Correct |
168 ms |
17936 KB |
Output is correct |
29 |
Correct |
168 ms |
18000 KB |
Output is correct |
30 |
Correct |
170 ms |
17912 KB |
Output is correct |
31 |
Correct |
174 ms |
18040 KB |
Output is correct |
32 |
Correct |
171 ms |
18040 KB |
Output is correct |
33 |
Correct |
170 ms |
18008 KB |
Output is correct |
34 |
Correct |
161 ms |
18040 KB |
Output is correct |
35 |
Correct |
167 ms |
18012 KB |
Output is correct |
36 |
Correct |
173 ms |
17912 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
159 ms |
17912 KB |
Output is correct |
2 |
Correct |
162 ms |
17952 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
156 ms |
17912 KB |
Output is correct |
5 |
Correct |
166 ms |
18012 KB |
Output is correct |
6 |
Correct |
160 ms |
18040 KB |
Output is correct |
7 |
Correct |
158 ms |
17988 KB |
Output is correct |
8 |
Correct |
159 ms |
17988 KB |
Output is correct |
9 |
Correct |
166 ms |
18040 KB |
Output is correct |
10 |
Correct |
162 ms |
17912 KB |
Output is correct |
11 |
Correct |
160 ms |
17996 KB |
Output is correct |
12 |
Correct |
162 ms |
18040 KB |
Output is correct |
13 |
Correct |
160 ms |
18116 KB |
Output is correct |
14 |
Correct |
169 ms |
17912 KB |
Output is correct |
15 |
Correct |
160 ms |
17948 KB |
Output is correct |
16 |
Correct |
162 ms |
18040 KB |
Output is correct |
17 |
Correct |
162 ms |
18040 KB |
Output is correct |
18 |
Correct |
160 ms |
17976 KB |
Output is correct |
19 |
Correct |
164 ms |
18040 KB |
Output is correct |
20 |
Correct |
159 ms |
17912 KB |
Output is correct |
21 |
Correct |
166 ms |
18024 KB |
Output is correct |
22 |
Correct |
166 ms |
17912 KB |
Output is correct |
23 |
Correct |
171 ms |
18108 KB |
Output is correct |
24 |
Correct |
171 ms |
17976 KB |
Output is correct |
25 |
Correct |
175 ms |
18012 KB |
Output is correct |
26 |
Correct |
174 ms |
18000 KB |
Output is correct |
27 |
Correct |
168 ms |
18108 KB |
Output is correct |
28 |
Correct |
168 ms |
17936 KB |
Output is correct |
29 |
Correct |
168 ms |
18000 KB |
Output is correct |
30 |
Correct |
170 ms |
17912 KB |
Output is correct |
31 |
Correct |
174 ms |
18040 KB |
Output is correct |
32 |
Correct |
171 ms |
18040 KB |
Output is correct |
33 |
Correct |
170 ms |
18008 KB |
Output is correct |
34 |
Correct |
161 ms |
18040 KB |
Output is correct |
35 |
Correct |
167 ms |
18012 KB |
Output is correct |
36 |
Correct |
173 ms |
17912 KB |
Output is correct |
37 |
Correct |
212 ms |
18120 KB |
Output is correct |
38 |
Correct |
208 ms |
18184 KB |
Output is correct |
39 |
Correct |
185 ms |
18364 KB |
Output is correct |
40 |
Correct |
246 ms |
18172 KB |
Output is correct |
41 |
Correct |
194 ms |
18296 KB |
Output is correct |
42 |
Correct |
241 ms |
18216 KB |
Output is correct |
43 |
Correct |
287 ms |
18296 KB |
Output is correct |
44 |
Correct |
296 ms |
18424 KB |
Output is correct |
45 |
Correct |
292 ms |
18424 KB |
Output is correct |
46 |
Correct |
177 ms |
18168 KB |
Output is correct |
47 |
Correct |
244 ms |
18168 KB |
Output is correct |
48 |
Correct |
269 ms |
18404 KB |
Output is correct |
49 |
Correct |
208 ms |
18296 KB |
Output is correct |
50 |
Correct |
245 ms |
18164 KB |
Output is correct |
51 |
Correct |
4 ms |
504 KB |
Output is correct |
52 |
Correct |
315 ms |
18424 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
159 ms |
17912 KB |
Output is correct |
2 |
Correct |
162 ms |
17952 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
156 ms |
17912 KB |
Output is correct |
5 |
Correct |
166 ms |
18012 KB |
Output is correct |
6 |
Correct |
160 ms |
18040 KB |
Output is correct |
7 |
Correct |
158 ms |
17988 KB |
Output is correct |
8 |
Correct |
159 ms |
17988 KB |
Output is correct |
9 |
Correct |
166 ms |
18040 KB |
Output is correct |
10 |
Correct |
162 ms |
17912 KB |
Output is correct |
11 |
Correct |
160 ms |
17996 KB |
Output is correct |
12 |
Correct |
162 ms |
18040 KB |
Output is correct |
13 |
Correct |
160 ms |
18116 KB |
Output is correct |
14 |
Correct |
169 ms |
17912 KB |
Output is correct |
15 |
Correct |
160 ms |
17948 KB |
Output is correct |
16 |
Correct |
162 ms |
18040 KB |
Output is correct |
17 |
Correct |
162 ms |
18040 KB |
Output is correct |
18 |
Correct |
160 ms |
17976 KB |
Output is correct |
19 |
Correct |
164 ms |
18040 KB |
Output is correct |
20 |
Correct |
159 ms |
17912 KB |
Output is correct |
21 |
Correct |
166 ms |
18024 KB |
Output is correct |
22 |
Correct |
166 ms |
17912 KB |
Output is correct |
23 |
Correct |
171 ms |
18108 KB |
Output is correct |
24 |
Correct |
171 ms |
17976 KB |
Output is correct |
25 |
Correct |
175 ms |
18012 KB |
Output is correct |
26 |
Correct |
174 ms |
18000 KB |
Output is correct |
27 |
Correct |
168 ms |
18108 KB |
Output is correct |
28 |
Correct |
168 ms |
17936 KB |
Output is correct |
29 |
Correct |
168 ms |
18000 KB |
Output is correct |
30 |
Correct |
170 ms |
17912 KB |
Output is correct |
31 |
Correct |
174 ms |
18040 KB |
Output is correct |
32 |
Correct |
171 ms |
18040 KB |
Output is correct |
33 |
Correct |
170 ms |
18008 KB |
Output is correct |
34 |
Correct |
161 ms |
18040 KB |
Output is correct |
35 |
Correct |
167 ms |
18012 KB |
Output is correct |
36 |
Correct |
173 ms |
17912 KB |
Output is correct |
37 |
Correct |
212 ms |
18120 KB |
Output is correct |
38 |
Correct |
208 ms |
18184 KB |
Output is correct |
39 |
Correct |
185 ms |
18364 KB |
Output is correct |
40 |
Correct |
246 ms |
18172 KB |
Output is correct |
41 |
Correct |
194 ms |
18296 KB |
Output is correct |
42 |
Correct |
241 ms |
18216 KB |
Output is correct |
43 |
Correct |
287 ms |
18296 KB |
Output is correct |
44 |
Correct |
296 ms |
18424 KB |
Output is correct |
45 |
Correct |
292 ms |
18424 KB |
Output is correct |
46 |
Correct |
177 ms |
18168 KB |
Output is correct |
47 |
Correct |
244 ms |
18168 KB |
Output is correct |
48 |
Correct |
269 ms |
18404 KB |
Output is correct |
49 |
Correct |
208 ms |
18296 KB |
Output is correct |
50 |
Correct |
245 ms |
18164 KB |
Output is correct |
51 |
Correct |
4 ms |
504 KB |
Output is correct |
52 |
Correct |
315 ms |
18424 KB |
Output is correct |
53 |
Correct |
293 ms |
18332 KB |
Output is correct |
54 |
Correct |
345 ms |
18384 KB |
Output is correct |
55 |
Correct |
491 ms |
18716 KB |
Output is correct |
56 |
Correct |
319 ms |
18296 KB |
Output is correct |
57 |
Correct |
516 ms |
18720 KB |
Output is correct |
58 |
Correct |
364 ms |
18416 KB |
Output is correct |
59 |
Correct |
414 ms |
18432 KB |
Output is correct |
60 |
Correct |
9 ms |
632 KB |
Output is correct |
61 |
Correct |
437 ms |
18604 KB |
Output is correct |
62 |
Correct |
451 ms |
18648 KB |
Output is correct |
63 |
Correct |
460 ms |
18808 KB |
Output is correct |
64 |
Correct |
451 ms |
18664 KB |
Output is correct |
65 |
Correct |
193 ms |
18168 KB |
Output is correct |
66 |
Correct |
244 ms |
18208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
159 ms |
17912 KB |
Output is correct |
2 |
Correct |
162 ms |
17952 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
156 ms |
17912 KB |
Output is correct |
5 |
Correct |
166 ms |
18012 KB |
Output is correct |
6 |
Correct |
160 ms |
18040 KB |
Output is correct |
7 |
Correct |
158 ms |
17988 KB |
Output is correct |
8 |
Correct |
159 ms |
17988 KB |
Output is correct |
9 |
Correct |
166 ms |
18040 KB |
Output is correct |
10 |
Correct |
162 ms |
17912 KB |
Output is correct |
11 |
Correct |
160 ms |
17996 KB |
Output is correct |
12 |
Correct |
162 ms |
18040 KB |
Output is correct |
13 |
Correct |
160 ms |
18116 KB |
Output is correct |
14 |
Correct |
169 ms |
17912 KB |
Output is correct |
15 |
Correct |
160 ms |
17948 KB |
Output is correct |
16 |
Correct |
162 ms |
18040 KB |
Output is correct |
17 |
Correct |
162 ms |
18040 KB |
Output is correct |
18 |
Correct |
160 ms |
17976 KB |
Output is correct |
19 |
Correct |
164 ms |
18040 KB |
Output is correct |
20 |
Correct |
159 ms |
17912 KB |
Output is correct |
21 |
Correct |
166 ms |
18024 KB |
Output is correct |
22 |
Correct |
166 ms |
17912 KB |
Output is correct |
23 |
Correct |
171 ms |
18108 KB |
Output is correct |
24 |
Correct |
171 ms |
17976 KB |
Output is correct |
25 |
Correct |
175 ms |
18012 KB |
Output is correct |
26 |
Correct |
174 ms |
18000 KB |
Output is correct |
27 |
Correct |
168 ms |
18108 KB |
Output is correct |
28 |
Correct |
168 ms |
17936 KB |
Output is correct |
29 |
Correct |
168 ms |
18000 KB |
Output is correct |
30 |
Correct |
170 ms |
17912 KB |
Output is correct |
31 |
Correct |
174 ms |
18040 KB |
Output is correct |
32 |
Correct |
171 ms |
18040 KB |
Output is correct |
33 |
Correct |
170 ms |
18008 KB |
Output is correct |
34 |
Correct |
161 ms |
18040 KB |
Output is correct |
35 |
Correct |
167 ms |
18012 KB |
Output is correct |
36 |
Correct |
173 ms |
17912 KB |
Output is correct |
37 |
Correct |
212 ms |
18120 KB |
Output is correct |
38 |
Correct |
208 ms |
18184 KB |
Output is correct |
39 |
Correct |
185 ms |
18364 KB |
Output is correct |
40 |
Correct |
246 ms |
18172 KB |
Output is correct |
41 |
Correct |
194 ms |
18296 KB |
Output is correct |
42 |
Correct |
241 ms |
18216 KB |
Output is correct |
43 |
Correct |
287 ms |
18296 KB |
Output is correct |
44 |
Correct |
296 ms |
18424 KB |
Output is correct |
45 |
Correct |
292 ms |
18424 KB |
Output is correct |
46 |
Correct |
177 ms |
18168 KB |
Output is correct |
47 |
Correct |
244 ms |
18168 KB |
Output is correct |
48 |
Correct |
269 ms |
18404 KB |
Output is correct |
49 |
Correct |
208 ms |
18296 KB |
Output is correct |
50 |
Correct |
245 ms |
18164 KB |
Output is correct |
51 |
Correct |
4 ms |
504 KB |
Output is correct |
52 |
Correct |
315 ms |
18424 KB |
Output is correct |
53 |
Correct |
293 ms |
18332 KB |
Output is correct |
54 |
Correct |
345 ms |
18384 KB |
Output is correct |
55 |
Correct |
491 ms |
18716 KB |
Output is correct |
56 |
Correct |
319 ms |
18296 KB |
Output is correct |
57 |
Correct |
516 ms |
18720 KB |
Output is correct |
58 |
Correct |
364 ms |
18416 KB |
Output is correct |
59 |
Correct |
414 ms |
18432 KB |
Output is correct |
60 |
Correct |
9 ms |
632 KB |
Output is correct |
61 |
Correct |
437 ms |
18604 KB |
Output is correct |
62 |
Correct |
451 ms |
18648 KB |
Output is correct |
63 |
Correct |
460 ms |
18808 KB |
Output is correct |
64 |
Correct |
451 ms |
18664 KB |
Output is correct |
65 |
Correct |
193 ms |
18168 KB |
Output is correct |
66 |
Correct |
244 ms |
18208 KB |
Output is correct |
67 |
Correct |
456 ms |
18444 KB |
Output is correct |
68 |
Correct |
22 ms |
888 KB |
Output is correct |
69 |
Runtime error |
216 ms |
38016 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
70 |
Halted |
0 ms |
0 KB |
- |