#include <bits/stdc++.h>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,bmi,bmi2,lzcnt,popcnt")
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;
const int S = (500 * 500) / 2 + 1;
bitset<S> bs[405];
int32_t main() {
ios_base::sync_with_stdio(false);
cout.tie(0); cin.tie(0);
int n, sum = 0;
cin >> n;
vector<int> v(n);
bs[0][0] = 1;
for(int &x : v) {
cin >> x;
sum += x;
bs[0] |= (bs[0] << x);
}
if(sum % 2 == 1 || !bs[0][sum/2]) {
cout << 0 << '\n';
return 0;
}
for(int i=0; i<n; i++) {
bs[i+1][0] = 1;
for(int j=0; j<n; j++)
if(i != j) bs[i+1] |= (bs[i+1] << v[j]);
// cout << i << ": ";
// for(int j=0; j<=10; j++) if(bs[i+1][j]) cout << j << " ";
// cout << '\n';
}
vector<int> ans;
for(int j=1; j<S; j++) {
bool ok = 1;
for(int i=1; i<=n; i++) {
if( (sum - v[i-1] + j) % 2 == 1 ) ok = 0;
if( (bs[i][(sum - v[i-1] + j) / 2]) == 0 ) ok = 0;
}
if(ok) ans.push_back(j);
}
cout << ans.size() << '\n';
for(int &x : ans) cout << x << " ";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
3 ms |
604 KB |
Output is correct |
9 |
Correct |
3 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
3 ms |
604 KB |
Output is correct |
9 |
Correct |
3 ms |
604 KB |
Output is correct |
10 |
Correct |
9 ms |
964 KB |
Output is correct |
11 |
Correct |
9 ms |
860 KB |
Output is correct |
12 |
Correct |
8 ms |
860 KB |
Output is correct |
13 |
Correct |
7 ms |
860 KB |
Output is correct |
14 |
Correct |
8 ms |
860 KB |
Output is correct |
15 |
Correct |
8 ms |
860 KB |
Output is correct |
16 |
Correct |
8 ms |
964 KB |
Output is correct |
17 |
Correct |
5 ms |
688 KB |
Output is correct |
18 |
Correct |
7 ms |
860 KB |
Output is correct |
19 |
Correct |
7 ms |
904 KB |
Output is correct |
20 |
Correct |
8 ms |
860 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
3 ms |
604 KB |
Output is correct |
9 |
Correct |
3 ms |
604 KB |
Output is correct |
10 |
Correct |
9 ms |
964 KB |
Output is correct |
11 |
Correct |
9 ms |
860 KB |
Output is correct |
12 |
Correct |
8 ms |
860 KB |
Output is correct |
13 |
Correct |
7 ms |
860 KB |
Output is correct |
14 |
Correct |
8 ms |
860 KB |
Output is correct |
15 |
Correct |
8 ms |
860 KB |
Output is correct |
16 |
Correct |
8 ms |
964 KB |
Output is correct |
17 |
Correct |
5 ms |
688 KB |
Output is correct |
18 |
Correct |
7 ms |
860 KB |
Output is correct |
19 |
Correct |
7 ms |
904 KB |
Output is correct |
20 |
Correct |
8 ms |
860 KB |
Output is correct |
21 |
Correct |
21 ms |
1368 KB |
Output is correct |
22 |
Correct |
30 ms |
1628 KB |
Output is correct |
23 |
Correct |
16 ms |
1112 KB |
Output is correct |
24 |
Correct |
42 ms |
1880 KB |
Output is correct |
25 |
Correct |
40 ms |
1880 KB |
Output is correct |
26 |
Correct |
43 ms |
1884 KB |
Output is correct |
27 |
Correct |
46 ms |
1880 KB |
Output is correct |
28 |
Correct |
43 ms |
1880 KB |
Output is correct |
29 |
Correct |
44 ms |
1884 KB |
Output is correct |
30 |
Correct |
43 ms |
1880 KB |
Output is correct |
31 |
Correct |
43 ms |
1880 KB |
Output is correct |
32 |
Correct |
45 ms |
2044 KB |
Output is correct |
33 |
Correct |
43 ms |
1848 KB |
Output is correct |
34 |
Correct |
42 ms |
1884 KB |
Output is correct |
35 |
Correct |
42 ms |
1884 KB |
Output is correct |
36 |
Correct |
43 ms |
1884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
3 ms |
604 KB |
Output is correct |
9 |
Correct |
3 ms |
604 KB |
Output is correct |
10 |
Correct |
9 ms |
964 KB |
Output is correct |
11 |
Correct |
9 ms |
860 KB |
Output is correct |
12 |
Correct |
8 ms |
860 KB |
Output is correct |
13 |
Correct |
7 ms |
860 KB |
Output is correct |
14 |
Correct |
8 ms |
860 KB |
Output is correct |
15 |
Correct |
8 ms |
860 KB |
Output is correct |
16 |
Correct |
8 ms |
964 KB |
Output is correct |
17 |
Correct |
5 ms |
688 KB |
Output is correct |
18 |
Correct |
7 ms |
860 KB |
Output is correct |
19 |
Correct |
7 ms |
904 KB |
Output is correct |
20 |
Correct |
8 ms |
860 KB |
Output is correct |
21 |
Correct |
21 ms |
1368 KB |
Output is correct |
22 |
Correct |
30 ms |
1628 KB |
Output is correct |
23 |
Correct |
16 ms |
1112 KB |
Output is correct |
24 |
Correct |
42 ms |
1880 KB |
Output is correct |
25 |
Correct |
40 ms |
1880 KB |
Output is correct |
26 |
Correct |
43 ms |
1884 KB |
Output is correct |
27 |
Correct |
46 ms |
1880 KB |
Output is correct |
28 |
Correct |
43 ms |
1880 KB |
Output is correct |
29 |
Correct |
44 ms |
1884 KB |
Output is correct |
30 |
Correct |
43 ms |
1880 KB |
Output is correct |
31 |
Correct |
43 ms |
1880 KB |
Output is correct |
32 |
Correct |
45 ms |
2044 KB |
Output is correct |
33 |
Correct |
43 ms |
1848 KB |
Output is correct |
34 |
Correct |
42 ms |
1884 KB |
Output is correct |
35 |
Correct |
42 ms |
1884 KB |
Output is correct |
36 |
Correct |
43 ms |
1884 KB |
Output is correct |
37 |
Correct |
123 ms |
3672 KB |
Output is correct |
38 |
Correct |
120 ms |
3540 KB |
Output is correct |
39 |
Correct |
170 ms |
4176 KB |
Output is correct |
40 |
Correct |
196 ms |
4760 KB |
Output is correct |
41 |
Correct |
195 ms |
4432 KB |
Output is correct |
42 |
Correct |
170 ms |
4464 KB |
Output is correct |
43 |
Correct |
165 ms |
4432 KB |
Output is correct |
44 |
Correct |
169 ms |
4432 KB |
Output is correct |
45 |
Correct |
172 ms |
4592 KB |
Output is correct |
46 |
Correct |
188 ms |
4432 KB |
Output is correct |
47 |
Correct |
173 ms |
4432 KB |
Output is correct |
48 |
Correct |
170 ms |
4436 KB |
Output is correct |
49 |
Correct |
172 ms |
4156 KB |
Output is correct |
50 |
Correct |
169 ms |
4436 KB |
Output is correct |
51 |
Correct |
1 ms |
348 KB |
Output is correct |
52 |
Correct |
196 ms |
4984 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
3 ms |
604 KB |
Output is correct |
9 |
Correct |
3 ms |
604 KB |
Output is correct |
10 |
Correct |
9 ms |
964 KB |
Output is correct |
11 |
Correct |
9 ms |
860 KB |
Output is correct |
12 |
Correct |
8 ms |
860 KB |
Output is correct |
13 |
Correct |
7 ms |
860 KB |
Output is correct |
14 |
Correct |
8 ms |
860 KB |
Output is correct |
15 |
Correct |
8 ms |
860 KB |
Output is correct |
16 |
Correct |
8 ms |
964 KB |
Output is correct |
17 |
Correct |
5 ms |
688 KB |
Output is correct |
18 |
Correct |
7 ms |
860 KB |
Output is correct |
19 |
Correct |
7 ms |
904 KB |
Output is correct |
20 |
Correct |
8 ms |
860 KB |
Output is correct |
21 |
Correct |
21 ms |
1368 KB |
Output is correct |
22 |
Correct |
30 ms |
1628 KB |
Output is correct |
23 |
Correct |
16 ms |
1112 KB |
Output is correct |
24 |
Correct |
42 ms |
1880 KB |
Output is correct |
25 |
Correct |
40 ms |
1880 KB |
Output is correct |
26 |
Correct |
43 ms |
1884 KB |
Output is correct |
27 |
Correct |
46 ms |
1880 KB |
Output is correct |
28 |
Correct |
43 ms |
1880 KB |
Output is correct |
29 |
Correct |
44 ms |
1884 KB |
Output is correct |
30 |
Correct |
43 ms |
1880 KB |
Output is correct |
31 |
Correct |
43 ms |
1880 KB |
Output is correct |
32 |
Correct |
45 ms |
2044 KB |
Output is correct |
33 |
Correct |
43 ms |
1848 KB |
Output is correct |
34 |
Correct |
42 ms |
1884 KB |
Output is correct |
35 |
Correct |
42 ms |
1884 KB |
Output is correct |
36 |
Correct |
43 ms |
1884 KB |
Output is correct |
37 |
Correct |
123 ms |
3672 KB |
Output is correct |
38 |
Correct |
120 ms |
3540 KB |
Output is correct |
39 |
Correct |
170 ms |
4176 KB |
Output is correct |
40 |
Correct |
196 ms |
4760 KB |
Output is correct |
41 |
Correct |
195 ms |
4432 KB |
Output is correct |
42 |
Correct |
170 ms |
4464 KB |
Output is correct |
43 |
Correct |
165 ms |
4432 KB |
Output is correct |
44 |
Correct |
169 ms |
4432 KB |
Output is correct |
45 |
Correct |
172 ms |
4592 KB |
Output is correct |
46 |
Correct |
188 ms |
4432 KB |
Output is correct |
47 |
Correct |
173 ms |
4432 KB |
Output is correct |
48 |
Correct |
170 ms |
4436 KB |
Output is correct |
49 |
Correct |
172 ms |
4156 KB |
Output is correct |
50 |
Correct |
169 ms |
4436 KB |
Output is correct |
51 |
Correct |
1 ms |
348 KB |
Output is correct |
52 |
Correct |
196 ms |
4984 KB |
Output is correct |
53 |
Correct |
228 ms |
5200 KB |
Output is correct |
54 |
Correct |
296 ms |
6228 KB |
Output is correct |
55 |
Correct |
296 ms |
6356 KB |
Output is correct |
56 |
Correct |
238 ms |
5456 KB |
Output is correct |
57 |
Correct |
297 ms |
6424 KB |
Output is correct |
58 |
Correct |
303 ms |
6136 KB |
Output is correct |
59 |
Correct |
312 ms |
6224 KB |
Output is correct |
60 |
Correct |
1 ms |
344 KB |
Output is correct |
61 |
Correct |
298 ms |
6248 KB |
Output is correct |
62 |
Correct |
259 ms |
5844 KB |
Output is correct |
63 |
Correct |
264 ms |
5848 KB |
Output is correct |
64 |
Correct |
252 ms |
5848 KB |
Output is correct |
65 |
Correct |
247 ms |
5200 KB |
Output is correct |
66 |
Correct |
239 ms |
5204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
3 ms |
604 KB |
Output is correct |
9 |
Correct |
3 ms |
604 KB |
Output is correct |
10 |
Correct |
9 ms |
964 KB |
Output is correct |
11 |
Correct |
9 ms |
860 KB |
Output is correct |
12 |
Correct |
8 ms |
860 KB |
Output is correct |
13 |
Correct |
7 ms |
860 KB |
Output is correct |
14 |
Correct |
8 ms |
860 KB |
Output is correct |
15 |
Correct |
8 ms |
860 KB |
Output is correct |
16 |
Correct |
8 ms |
964 KB |
Output is correct |
17 |
Correct |
5 ms |
688 KB |
Output is correct |
18 |
Correct |
7 ms |
860 KB |
Output is correct |
19 |
Correct |
7 ms |
904 KB |
Output is correct |
20 |
Correct |
8 ms |
860 KB |
Output is correct |
21 |
Correct |
21 ms |
1368 KB |
Output is correct |
22 |
Correct |
30 ms |
1628 KB |
Output is correct |
23 |
Correct |
16 ms |
1112 KB |
Output is correct |
24 |
Correct |
42 ms |
1880 KB |
Output is correct |
25 |
Correct |
40 ms |
1880 KB |
Output is correct |
26 |
Correct |
43 ms |
1884 KB |
Output is correct |
27 |
Correct |
46 ms |
1880 KB |
Output is correct |
28 |
Correct |
43 ms |
1880 KB |
Output is correct |
29 |
Correct |
44 ms |
1884 KB |
Output is correct |
30 |
Correct |
43 ms |
1880 KB |
Output is correct |
31 |
Correct |
43 ms |
1880 KB |
Output is correct |
32 |
Correct |
45 ms |
2044 KB |
Output is correct |
33 |
Correct |
43 ms |
1848 KB |
Output is correct |
34 |
Correct |
42 ms |
1884 KB |
Output is correct |
35 |
Correct |
42 ms |
1884 KB |
Output is correct |
36 |
Correct |
43 ms |
1884 KB |
Output is correct |
37 |
Correct |
123 ms |
3672 KB |
Output is correct |
38 |
Correct |
120 ms |
3540 KB |
Output is correct |
39 |
Correct |
170 ms |
4176 KB |
Output is correct |
40 |
Correct |
196 ms |
4760 KB |
Output is correct |
41 |
Correct |
195 ms |
4432 KB |
Output is correct |
42 |
Correct |
170 ms |
4464 KB |
Output is correct |
43 |
Correct |
165 ms |
4432 KB |
Output is correct |
44 |
Correct |
169 ms |
4432 KB |
Output is correct |
45 |
Correct |
172 ms |
4592 KB |
Output is correct |
46 |
Correct |
188 ms |
4432 KB |
Output is correct |
47 |
Correct |
173 ms |
4432 KB |
Output is correct |
48 |
Correct |
170 ms |
4436 KB |
Output is correct |
49 |
Correct |
172 ms |
4156 KB |
Output is correct |
50 |
Correct |
169 ms |
4436 KB |
Output is correct |
51 |
Correct |
1 ms |
348 KB |
Output is correct |
52 |
Correct |
196 ms |
4984 KB |
Output is correct |
53 |
Correct |
228 ms |
5200 KB |
Output is correct |
54 |
Correct |
296 ms |
6228 KB |
Output is correct |
55 |
Correct |
296 ms |
6356 KB |
Output is correct |
56 |
Correct |
238 ms |
5456 KB |
Output is correct |
57 |
Correct |
297 ms |
6424 KB |
Output is correct |
58 |
Correct |
303 ms |
6136 KB |
Output is correct |
59 |
Correct |
312 ms |
6224 KB |
Output is correct |
60 |
Correct |
1 ms |
344 KB |
Output is correct |
61 |
Correct |
298 ms |
6248 KB |
Output is correct |
62 |
Correct |
259 ms |
5844 KB |
Output is correct |
63 |
Correct |
264 ms |
5848 KB |
Output is correct |
64 |
Correct |
252 ms |
5848 KB |
Output is correct |
65 |
Correct |
247 ms |
5200 KB |
Output is correct |
66 |
Correct |
239 ms |
5204 KB |
Output is correct |
67 |
Correct |
371 ms |
7124 KB |
Output is correct |
68 |
Correct |
1 ms |
348 KB |
Output is correct |
69 |
Runtime error |
343 ms |
13140 KB |
Execution killed with signal 11 |
70 |
Halted |
0 ms |
0 KB |
- |