#include <bits/stdc++.h>
using namespace std;
/*
written on phone :)))))
*/
const int N = 505;
unsigned long long dp[N*N];
int ans[N*N];
void add (int x) {
for (int i = N*N-x-1; i >= 0; i--) {
dp[i+x] += dp[i];
}
}
void del (int x) {
for (int i = x; i < N*N; i++) {
dp[i] -= dp[i-x];
}
}
int main ()
{
dp[0] = 1;
int n; cin >> n;
vector <int> a (n);
int sum = 0;
for (int i = 0; i < n; i++) {
cin >> a[i];
sum += a[i];
add(a[i]);
}
if (sum & 1) {
cout << 0; return 0;
}
if (!dp[sum >> 1]) {
cout << 0; return 0;
}
int cnt = 0;
for (int i = 0; i < n; i++) {
del(a[i]); sum-=a[i];
for (int j = 1; j < N*N; j++) {
int need = ((sum+j)>>1)-j;
if (need >= 0 && dp[need] && (sum+j) % 2 == 0) {
ans[j]++;
}
}
add(a[i]); sum+=a[i];
}
for (int i = 1; i < N*N;i++) {
if (ans[i] == n)
cnt++;
}
cout << cnt << endl;
for (int i = 1; i < N*N;i++) {
if (ans[i] == n)
cout << i << " ";
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2252 KB |
Output is correct |
2 |
Correct |
7 ms |
2252 KB |
Output is correct |
3 |
Correct |
2 ms |
2252 KB |
Output is correct |
4 |
Correct |
5 ms |
2252 KB |
Output is correct |
5 |
Correct |
12 ms |
2300 KB |
Output is correct |
6 |
Correct |
8 ms |
2296 KB |
Output is correct |
7 |
Correct |
7 ms |
2292 KB |
Output is correct |
8 |
Correct |
12 ms |
2252 KB |
Output is correct |
9 |
Correct |
10 ms |
2232 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2252 KB |
Output is correct |
2 |
Correct |
7 ms |
2252 KB |
Output is correct |
3 |
Correct |
2 ms |
2252 KB |
Output is correct |
4 |
Correct |
5 ms |
2252 KB |
Output is correct |
5 |
Correct |
12 ms |
2300 KB |
Output is correct |
6 |
Correct |
8 ms |
2296 KB |
Output is correct |
7 |
Correct |
7 ms |
2292 KB |
Output is correct |
8 |
Correct |
12 ms |
2252 KB |
Output is correct |
9 |
Correct |
10 ms |
2232 KB |
Output is correct |
10 |
Correct |
26 ms |
2288 KB |
Output is correct |
11 |
Correct |
28 ms |
2292 KB |
Output is correct |
12 |
Correct |
27 ms |
2252 KB |
Output is correct |
13 |
Correct |
24 ms |
2252 KB |
Output is correct |
14 |
Correct |
25 ms |
2288 KB |
Output is correct |
15 |
Correct |
26 ms |
2284 KB |
Output is correct |
16 |
Correct |
29 ms |
2252 KB |
Output is correct |
17 |
Correct |
17 ms |
2288 KB |
Output is correct |
18 |
Correct |
22 ms |
2288 KB |
Output is correct |
19 |
Correct |
24 ms |
2252 KB |
Output is correct |
20 |
Correct |
26 ms |
2252 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2252 KB |
Output is correct |
2 |
Correct |
7 ms |
2252 KB |
Output is correct |
3 |
Correct |
2 ms |
2252 KB |
Output is correct |
4 |
Correct |
5 ms |
2252 KB |
Output is correct |
5 |
Correct |
12 ms |
2300 KB |
Output is correct |
6 |
Correct |
8 ms |
2296 KB |
Output is correct |
7 |
Correct |
7 ms |
2292 KB |
Output is correct |
8 |
Correct |
12 ms |
2252 KB |
Output is correct |
9 |
Correct |
10 ms |
2232 KB |
Output is correct |
10 |
Correct |
26 ms |
2288 KB |
Output is correct |
11 |
Correct |
28 ms |
2292 KB |
Output is correct |
12 |
Correct |
27 ms |
2252 KB |
Output is correct |
13 |
Correct |
24 ms |
2252 KB |
Output is correct |
14 |
Correct |
25 ms |
2288 KB |
Output is correct |
15 |
Correct |
26 ms |
2284 KB |
Output is correct |
16 |
Correct |
29 ms |
2252 KB |
Output is correct |
17 |
Correct |
17 ms |
2288 KB |
Output is correct |
18 |
Correct |
22 ms |
2288 KB |
Output is correct |
19 |
Correct |
24 ms |
2252 KB |
Output is correct |
20 |
Correct |
26 ms |
2252 KB |
Output is correct |
21 |
Correct |
55 ms |
2296 KB |
Output is correct |
22 |
Correct |
64 ms |
2252 KB |
Output is correct |
23 |
Correct |
44 ms |
2252 KB |
Output is correct |
24 |
Correct |
80 ms |
2292 KB |
Output is correct |
25 |
Correct |
78 ms |
2288 KB |
Output is correct |
26 |
Correct |
84 ms |
2312 KB |
Output is correct |
27 |
Correct |
86 ms |
2284 KB |
Output is correct |
28 |
Correct |
86 ms |
2292 KB |
Output is correct |
29 |
Correct |
94 ms |
2316 KB |
Output is correct |
30 |
Correct |
84 ms |
2284 KB |
Output is correct |
31 |
Correct |
84 ms |
2420 KB |
Output is correct |
32 |
Correct |
84 ms |
2292 KB |
Output is correct |
33 |
Correct |
82 ms |
2312 KB |
Output is correct |
34 |
Correct |
82 ms |
2312 KB |
Output is correct |
35 |
Correct |
84 ms |
2252 KB |
Output is correct |
36 |
Correct |
85 ms |
2404 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2252 KB |
Output is correct |
2 |
Correct |
7 ms |
2252 KB |
Output is correct |
3 |
Correct |
2 ms |
2252 KB |
Output is correct |
4 |
Correct |
5 ms |
2252 KB |
Output is correct |
5 |
Correct |
12 ms |
2300 KB |
Output is correct |
6 |
Correct |
8 ms |
2296 KB |
Output is correct |
7 |
Correct |
7 ms |
2292 KB |
Output is correct |
8 |
Correct |
12 ms |
2252 KB |
Output is correct |
9 |
Correct |
10 ms |
2232 KB |
Output is correct |
10 |
Correct |
26 ms |
2288 KB |
Output is correct |
11 |
Correct |
28 ms |
2292 KB |
Output is correct |
12 |
Correct |
27 ms |
2252 KB |
Output is correct |
13 |
Correct |
24 ms |
2252 KB |
Output is correct |
14 |
Correct |
25 ms |
2288 KB |
Output is correct |
15 |
Correct |
26 ms |
2284 KB |
Output is correct |
16 |
Correct |
29 ms |
2252 KB |
Output is correct |
17 |
Correct |
17 ms |
2288 KB |
Output is correct |
18 |
Correct |
22 ms |
2288 KB |
Output is correct |
19 |
Correct |
24 ms |
2252 KB |
Output is correct |
20 |
Correct |
26 ms |
2252 KB |
Output is correct |
21 |
Correct |
55 ms |
2296 KB |
Output is correct |
22 |
Correct |
64 ms |
2252 KB |
Output is correct |
23 |
Correct |
44 ms |
2252 KB |
Output is correct |
24 |
Correct |
80 ms |
2292 KB |
Output is correct |
25 |
Correct |
78 ms |
2288 KB |
Output is correct |
26 |
Correct |
84 ms |
2312 KB |
Output is correct |
27 |
Correct |
86 ms |
2284 KB |
Output is correct |
28 |
Correct |
86 ms |
2292 KB |
Output is correct |
29 |
Correct |
94 ms |
2316 KB |
Output is correct |
30 |
Correct |
84 ms |
2284 KB |
Output is correct |
31 |
Correct |
84 ms |
2420 KB |
Output is correct |
32 |
Correct |
84 ms |
2292 KB |
Output is correct |
33 |
Correct |
82 ms |
2312 KB |
Output is correct |
34 |
Correct |
82 ms |
2312 KB |
Output is correct |
35 |
Correct |
84 ms |
2252 KB |
Output is correct |
36 |
Correct |
85 ms |
2404 KB |
Output is correct |
37 |
Correct |
167 ms |
2352 KB |
Output is correct |
38 |
Correct |
167 ms |
2372 KB |
Output is correct |
39 |
Correct |
212 ms |
2520 KB |
Output is correct |
40 |
Correct |
227 ms |
2416 KB |
Output is correct |
41 |
Correct |
231 ms |
2536 KB |
Output is correct |
42 |
Correct |
211 ms |
2500 KB |
Output is correct |
43 |
Correct |
206 ms |
2536 KB |
Output is correct |
44 |
Correct |
217 ms |
2676 KB |
Output is correct |
45 |
Correct |
215 ms |
2628 KB |
Output is correct |
46 |
Correct |
224 ms |
2500 KB |
Output is correct |
47 |
Correct |
208 ms |
2416 KB |
Output is correct |
48 |
Correct |
217 ms |
2500 KB |
Output is correct |
49 |
Correct |
213 ms |
2532 KB |
Output is correct |
50 |
Correct |
215 ms |
2500 KB |
Output is correct |
51 |
Correct |
69 ms |
2252 KB |
Output is correct |
52 |
Correct |
242 ms |
2660 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2252 KB |
Output is correct |
2 |
Correct |
7 ms |
2252 KB |
Output is correct |
3 |
Correct |
2 ms |
2252 KB |
Output is correct |
4 |
Correct |
5 ms |
2252 KB |
Output is correct |
5 |
Correct |
12 ms |
2300 KB |
Output is correct |
6 |
Correct |
8 ms |
2296 KB |
Output is correct |
7 |
Correct |
7 ms |
2292 KB |
Output is correct |
8 |
Correct |
12 ms |
2252 KB |
Output is correct |
9 |
Correct |
10 ms |
2232 KB |
Output is correct |
10 |
Correct |
26 ms |
2288 KB |
Output is correct |
11 |
Correct |
28 ms |
2292 KB |
Output is correct |
12 |
Correct |
27 ms |
2252 KB |
Output is correct |
13 |
Correct |
24 ms |
2252 KB |
Output is correct |
14 |
Correct |
25 ms |
2288 KB |
Output is correct |
15 |
Correct |
26 ms |
2284 KB |
Output is correct |
16 |
Correct |
29 ms |
2252 KB |
Output is correct |
17 |
Correct |
17 ms |
2288 KB |
Output is correct |
18 |
Correct |
22 ms |
2288 KB |
Output is correct |
19 |
Correct |
24 ms |
2252 KB |
Output is correct |
20 |
Correct |
26 ms |
2252 KB |
Output is correct |
21 |
Correct |
55 ms |
2296 KB |
Output is correct |
22 |
Correct |
64 ms |
2252 KB |
Output is correct |
23 |
Correct |
44 ms |
2252 KB |
Output is correct |
24 |
Correct |
80 ms |
2292 KB |
Output is correct |
25 |
Correct |
78 ms |
2288 KB |
Output is correct |
26 |
Correct |
84 ms |
2312 KB |
Output is correct |
27 |
Correct |
86 ms |
2284 KB |
Output is correct |
28 |
Correct |
86 ms |
2292 KB |
Output is correct |
29 |
Correct |
94 ms |
2316 KB |
Output is correct |
30 |
Correct |
84 ms |
2284 KB |
Output is correct |
31 |
Correct |
84 ms |
2420 KB |
Output is correct |
32 |
Correct |
84 ms |
2292 KB |
Output is correct |
33 |
Correct |
82 ms |
2312 KB |
Output is correct |
34 |
Correct |
82 ms |
2312 KB |
Output is correct |
35 |
Correct |
84 ms |
2252 KB |
Output is correct |
36 |
Correct |
85 ms |
2404 KB |
Output is correct |
37 |
Correct |
167 ms |
2352 KB |
Output is correct |
38 |
Correct |
167 ms |
2372 KB |
Output is correct |
39 |
Correct |
212 ms |
2520 KB |
Output is correct |
40 |
Correct |
227 ms |
2416 KB |
Output is correct |
41 |
Correct |
231 ms |
2536 KB |
Output is correct |
42 |
Correct |
211 ms |
2500 KB |
Output is correct |
43 |
Correct |
206 ms |
2536 KB |
Output is correct |
44 |
Correct |
217 ms |
2676 KB |
Output is correct |
45 |
Correct |
215 ms |
2628 KB |
Output is correct |
46 |
Correct |
224 ms |
2500 KB |
Output is correct |
47 |
Correct |
208 ms |
2416 KB |
Output is correct |
48 |
Correct |
217 ms |
2500 KB |
Output is correct |
49 |
Correct |
213 ms |
2532 KB |
Output is correct |
50 |
Correct |
215 ms |
2500 KB |
Output is correct |
51 |
Correct |
69 ms |
2252 KB |
Output is correct |
52 |
Correct |
242 ms |
2660 KB |
Output is correct |
53 |
Correct |
257 ms |
2544 KB |
Output is correct |
54 |
Correct |
297 ms |
2632 KB |
Output is correct |
55 |
Correct |
312 ms |
2932 KB |
Output is correct |
56 |
Correct |
259 ms |
2628 KB |
Output is correct |
57 |
Correct |
312 ms |
2928 KB |
Output is correct |
58 |
Correct |
299 ms |
2756 KB |
Output is correct |
59 |
Correct |
299 ms |
2788 KB |
Output is correct |
60 |
Correct |
95 ms |
2252 KB |
Output is correct |
61 |
Correct |
306 ms |
2732 KB |
Output is correct |
62 |
Correct |
313 ms |
2904 KB |
Output is correct |
63 |
Correct |
283 ms |
3056 KB |
Output is correct |
64 |
Correct |
278 ms |
2884 KB |
Output is correct |
65 |
Correct |
267 ms |
2412 KB |
Output is correct |
66 |
Correct |
260 ms |
2472 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2252 KB |
Output is correct |
2 |
Correct |
7 ms |
2252 KB |
Output is correct |
3 |
Correct |
2 ms |
2252 KB |
Output is correct |
4 |
Correct |
5 ms |
2252 KB |
Output is correct |
5 |
Correct |
12 ms |
2300 KB |
Output is correct |
6 |
Correct |
8 ms |
2296 KB |
Output is correct |
7 |
Correct |
7 ms |
2292 KB |
Output is correct |
8 |
Correct |
12 ms |
2252 KB |
Output is correct |
9 |
Correct |
10 ms |
2232 KB |
Output is correct |
10 |
Correct |
26 ms |
2288 KB |
Output is correct |
11 |
Correct |
28 ms |
2292 KB |
Output is correct |
12 |
Correct |
27 ms |
2252 KB |
Output is correct |
13 |
Correct |
24 ms |
2252 KB |
Output is correct |
14 |
Correct |
25 ms |
2288 KB |
Output is correct |
15 |
Correct |
26 ms |
2284 KB |
Output is correct |
16 |
Correct |
29 ms |
2252 KB |
Output is correct |
17 |
Correct |
17 ms |
2288 KB |
Output is correct |
18 |
Correct |
22 ms |
2288 KB |
Output is correct |
19 |
Correct |
24 ms |
2252 KB |
Output is correct |
20 |
Correct |
26 ms |
2252 KB |
Output is correct |
21 |
Correct |
55 ms |
2296 KB |
Output is correct |
22 |
Correct |
64 ms |
2252 KB |
Output is correct |
23 |
Correct |
44 ms |
2252 KB |
Output is correct |
24 |
Correct |
80 ms |
2292 KB |
Output is correct |
25 |
Correct |
78 ms |
2288 KB |
Output is correct |
26 |
Correct |
84 ms |
2312 KB |
Output is correct |
27 |
Correct |
86 ms |
2284 KB |
Output is correct |
28 |
Correct |
86 ms |
2292 KB |
Output is correct |
29 |
Correct |
94 ms |
2316 KB |
Output is correct |
30 |
Correct |
84 ms |
2284 KB |
Output is correct |
31 |
Correct |
84 ms |
2420 KB |
Output is correct |
32 |
Correct |
84 ms |
2292 KB |
Output is correct |
33 |
Correct |
82 ms |
2312 KB |
Output is correct |
34 |
Correct |
82 ms |
2312 KB |
Output is correct |
35 |
Correct |
84 ms |
2252 KB |
Output is correct |
36 |
Correct |
85 ms |
2404 KB |
Output is correct |
37 |
Correct |
167 ms |
2352 KB |
Output is correct |
38 |
Correct |
167 ms |
2372 KB |
Output is correct |
39 |
Correct |
212 ms |
2520 KB |
Output is correct |
40 |
Correct |
227 ms |
2416 KB |
Output is correct |
41 |
Correct |
231 ms |
2536 KB |
Output is correct |
42 |
Correct |
211 ms |
2500 KB |
Output is correct |
43 |
Correct |
206 ms |
2536 KB |
Output is correct |
44 |
Correct |
217 ms |
2676 KB |
Output is correct |
45 |
Correct |
215 ms |
2628 KB |
Output is correct |
46 |
Correct |
224 ms |
2500 KB |
Output is correct |
47 |
Correct |
208 ms |
2416 KB |
Output is correct |
48 |
Correct |
217 ms |
2500 KB |
Output is correct |
49 |
Correct |
213 ms |
2532 KB |
Output is correct |
50 |
Correct |
215 ms |
2500 KB |
Output is correct |
51 |
Correct |
69 ms |
2252 KB |
Output is correct |
52 |
Correct |
242 ms |
2660 KB |
Output is correct |
53 |
Correct |
257 ms |
2544 KB |
Output is correct |
54 |
Correct |
297 ms |
2632 KB |
Output is correct |
55 |
Correct |
312 ms |
2932 KB |
Output is correct |
56 |
Correct |
259 ms |
2628 KB |
Output is correct |
57 |
Correct |
312 ms |
2928 KB |
Output is correct |
58 |
Correct |
299 ms |
2756 KB |
Output is correct |
59 |
Correct |
299 ms |
2788 KB |
Output is correct |
60 |
Correct |
95 ms |
2252 KB |
Output is correct |
61 |
Correct |
306 ms |
2732 KB |
Output is correct |
62 |
Correct |
313 ms |
2904 KB |
Output is correct |
63 |
Correct |
283 ms |
3056 KB |
Output is correct |
64 |
Correct |
278 ms |
2884 KB |
Output is correct |
65 |
Correct |
267 ms |
2412 KB |
Output is correct |
66 |
Correct |
260 ms |
2472 KB |
Output is correct |
67 |
Correct |
353 ms |
2728 KB |
Output is correct |
68 |
Correct |
134 ms |
2276 KB |
Output is correct |
69 |
Correct |
473 ms |
3744 KB |
Output is correct |
70 |
Correct |
455 ms |
3188 KB |
Output is correct |
71 |
Correct |
450 ms |
3268 KB |
Output is correct |
72 |
Correct |
433 ms |
2672 KB |
Output is correct |
73 |
Correct |
438 ms |
2760 KB |
Output is correct |
74 |
Correct |
476 ms |
3920 KB |
Output is correct |
75 |
Correct |
464 ms |
3472 KB |
Output is correct |
76 |
Correct |
489 ms |
3880 KB |
Output is correct |
77 |
Correct |
481 ms |
3908 KB |
Output is correct |