#include <bits/stdc++.h>
#define pb push_back
#define all(v) v.begin(),v.end()
#define ff first
#define ss second
using namespace std;
typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair < int, int > pii;
typedef vector<int> vi;
typedef vector<long long> vll;
const int N = 250000 / 2 + 1;
const ll mod = 250001;
void solve(){
int n;
cin >> n;
int a[n], x = 0;
bitset<N> can;
bool ok = 0, okk = 0;
for(int i = 0; i < n; i++) {
cin >> a[i];
if(a[i] % 2)ok = 1;
else okk = 1;
x += a[i];
}
bitset<mod> hv;
hv[0] = 1;
for(int j = 0; j < n; j++) {
hv |= (hv << a[j]);
}
if(x % 2 || !hv[x / 2] || ok & okk) {
cout << "0";
return;
}
x -= a[0];
if(x % 2)ok = 1;
else ok = 0;
x += a[0];
for(int i = 0; i < N; i++) can[i] = 1;
sort(a, a + n);
for(int i = 0; i < n; i++) {
if(i && a[i] == a[i - 1])continue;
hv.reset();
hv[0] = 1;
for(int j = 0; j < n; j++) {
if(j == i)continue;
hv |= (hv << a[j]);
}
x -= a[i];
for(int p = can._Find_first(); p != can.size(); p = can._Find_next(p)) {
int t = p * 2 + ok;
if(!hv[(x + t) / 2] && ((x + t) / 2 - t < 0 || !hv[(x + t) / 2 - t])) can[p] = 0;
}
x += a[i];
}
cout << can.count() << '\n';
for(int p = can._Find_first(); p != can.size(); p = can._Find_next(p)) {
cout << p * 2 + ok << ' ';
}
}
int main() {
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);
ios_base::sync_with_stdio(false);
cin.tie(0);
int times = 1;
//cin >> times;
while(times--)solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
332 KB |
Output is correct |
| 2 |
Correct |
2 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
2 ms |
332 KB |
Output is correct |
| 5 |
Correct |
3 ms |
332 KB |
Output is correct |
| 6 |
Correct |
2 ms |
416 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
2 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
332 KB |
Output is correct |
| 2 |
Correct |
2 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
2 ms |
332 KB |
Output is correct |
| 5 |
Correct |
3 ms |
332 KB |
Output is correct |
| 6 |
Correct |
2 ms |
416 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
2 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
2 ms |
332 KB |
Output is correct |
| 11 |
Correct |
3 ms |
332 KB |
Output is correct |
| 12 |
Correct |
4 ms |
416 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
3 ms |
332 KB |
Output is correct |
| 15 |
Correct |
3 ms |
412 KB |
Output is correct |
| 16 |
Correct |
5 ms |
332 KB |
Output is correct |
| 17 |
Correct |
3 ms |
412 KB |
Output is correct |
| 18 |
Correct |
3 ms |
332 KB |
Output is correct |
| 19 |
Correct |
3 ms |
364 KB |
Output is correct |
| 20 |
Correct |
2 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
332 KB |
Output is correct |
| 2 |
Correct |
2 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
2 ms |
332 KB |
Output is correct |
| 5 |
Correct |
3 ms |
332 KB |
Output is correct |
| 6 |
Correct |
2 ms |
416 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
2 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
2 ms |
332 KB |
Output is correct |
| 11 |
Correct |
3 ms |
332 KB |
Output is correct |
| 12 |
Correct |
4 ms |
416 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
3 ms |
332 KB |
Output is correct |
| 15 |
Correct |
3 ms |
412 KB |
Output is correct |
| 16 |
Correct |
5 ms |
332 KB |
Output is correct |
| 17 |
Correct |
3 ms |
412 KB |
Output is correct |
| 18 |
Correct |
3 ms |
332 KB |
Output is correct |
| 19 |
Correct |
3 ms |
364 KB |
Output is correct |
| 20 |
Correct |
2 ms |
332 KB |
Output is correct |
| 21 |
Correct |
16 ms |
332 KB |
Output is correct |
| 22 |
Correct |
21 ms |
416 KB |
Output is correct |
| 23 |
Correct |
14 ms |
416 KB |
Output is correct |
| 24 |
Correct |
28 ms |
404 KB |
Output is correct |
| 25 |
Correct |
7 ms |
412 KB |
Output is correct |
| 26 |
Correct |
6 ms |
332 KB |
Output is correct |
| 27 |
Correct |
6 ms |
332 KB |
Output is correct |
| 28 |
Correct |
5 ms |
332 KB |
Output is correct |
| 29 |
Correct |
6 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
416 KB |
Output is correct |
| 31 |
Correct |
20 ms |
416 KB |
Output is correct |
| 32 |
Correct |
32 ms |
408 KB |
Output is correct |
| 33 |
Correct |
3 ms |
332 KB |
Output is correct |
| 34 |
Correct |
3 ms |
332 KB |
Output is correct |
| 35 |
Correct |
4 ms |
332 KB |
Output is correct |
| 36 |
Correct |
36 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
332 KB |
Output is correct |
| 2 |
Correct |
2 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
2 ms |
332 KB |
Output is correct |
| 5 |
Correct |
3 ms |
332 KB |
Output is correct |
| 6 |
Correct |
2 ms |
416 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
2 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
2 ms |
332 KB |
Output is correct |
| 11 |
Correct |
3 ms |
332 KB |
Output is correct |
| 12 |
Correct |
4 ms |
416 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
3 ms |
332 KB |
Output is correct |
| 15 |
Correct |
3 ms |
412 KB |
Output is correct |
| 16 |
Correct |
5 ms |
332 KB |
Output is correct |
| 17 |
Correct |
3 ms |
412 KB |
Output is correct |
| 18 |
Correct |
3 ms |
332 KB |
Output is correct |
| 19 |
Correct |
3 ms |
364 KB |
Output is correct |
| 20 |
Correct |
2 ms |
332 KB |
Output is correct |
| 21 |
Correct |
16 ms |
332 KB |
Output is correct |
| 22 |
Correct |
21 ms |
416 KB |
Output is correct |
| 23 |
Correct |
14 ms |
416 KB |
Output is correct |
| 24 |
Correct |
28 ms |
404 KB |
Output is correct |
| 25 |
Correct |
7 ms |
412 KB |
Output is correct |
| 26 |
Correct |
6 ms |
332 KB |
Output is correct |
| 27 |
Correct |
6 ms |
332 KB |
Output is correct |
| 28 |
Correct |
5 ms |
332 KB |
Output is correct |
| 29 |
Correct |
6 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
416 KB |
Output is correct |
| 31 |
Correct |
20 ms |
416 KB |
Output is correct |
| 32 |
Correct |
32 ms |
408 KB |
Output is correct |
| 33 |
Correct |
3 ms |
332 KB |
Output is correct |
| 34 |
Correct |
3 ms |
332 KB |
Output is correct |
| 35 |
Correct |
4 ms |
332 KB |
Output is correct |
| 36 |
Correct |
36 ms |
332 KB |
Output is correct |
| 37 |
Correct |
73 ms |
580 KB |
Output is correct |
| 38 |
Correct |
74 ms |
452 KB |
Output is correct |
| 39 |
Correct |
5 ms |
332 KB |
Output is correct |
| 40 |
Correct |
243 ms |
416 KB |
Output is correct |
| 41 |
Correct |
5 ms |
332 KB |
Output is correct |
| 42 |
Correct |
192 ms |
404 KB |
Output is correct |
| 43 |
Correct |
48 ms |
536 KB |
Output is correct |
| 44 |
Correct |
48 ms |
536 KB |
Output is correct |
| 45 |
Correct |
49 ms |
540 KB |
Output is correct |
| 46 |
Correct |
234 ms |
400 KB |
Output is correct |
| 47 |
Correct |
189 ms |
396 KB |
Output is correct |
| 48 |
Correct |
14 ms |
412 KB |
Output is correct |
| 49 |
Correct |
9 ms |
332 KB |
Output is correct |
| 50 |
Correct |
211 ms |
392 KB |
Output is correct |
| 51 |
Correct |
3 ms |
332 KB |
Output is correct |
| 52 |
Correct |
27 ms |
532 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
332 KB |
Output is correct |
| 2 |
Correct |
2 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
2 ms |
332 KB |
Output is correct |
| 5 |
Correct |
3 ms |
332 KB |
Output is correct |
| 6 |
Correct |
2 ms |
416 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
2 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
2 ms |
332 KB |
Output is correct |
| 11 |
Correct |
3 ms |
332 KB |
Output is correct |
| 12 |
Correct |
4 ms |
416 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
3 ms |
332 KB |
Output is correct |
| 15 |
Correct |
3 ms |
412 KB |
Output is correct |
| 16 |
Correct |
5 ms |
332 KB |
Output is correct |
| 17 |
Correct |
3 ms |
412 KB |
Output is correct |
| 18 |
Correct |
3 ms |
332 KB |
Output is correct |
| 19 |
Correct |
3 ms |
364 KB |
Output is correct |
| 20 |
Correct |
2 ms |
332 KB |
Output is correct |
| 21 |
Correct |
16 ms |
332 KB |
Output is correct |
| 22 |
Correct |
21 ms |
416 KB |
Output is correct |
| 23 |
Correct |
14 ms |
416 KB |
Output is correct |
| 24 |
Correct |
28 ms |
404 KB |
Output is correct |
| 25 |
Correct |
7 ms |
412 KB |
Output is correct |
| 26 |
Correct |
6 ms |
332 KB |
Output is correct |
| 27 |
Correct |
6 ms |
332 KB |
Output is correct |
| 28 |
Correct |
5 ms |
332 KB |
Output is correct |
| 29 |
Correct |
6 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
416 KB |
Output is correct |
| 31 |
Correct |
20 ms |
416 KB |
Output is correct |
| 32 |
Correct |
32 ms |
408 KB |
Output is correct |
| 33 |
Correct |
3 ms |
332 KB |
Output is correct |
| 34 |
Correct |
3 ms |
332 KB |
Output is correct |
| 35 |
Correct |
4 ms |
332 KB |
Output is correct |
| 36 |
Correct |
36 ms |
332 KB |
Output is correct |
| 37 |
Correct |
73 ms |
580 KB |
Output is correct |
| 38 |
Correct |
74 ms |
452 KB |
Output is correct |
| 39 |
Correct |
5 ms |
332 KB |
Output is correct |
| 40 |
Correct |
243 ms |
416 KB |
Output is correct |
| 41 |
Correct |
5 ms |
332 KB |
Output is correct |
| 42 |
Correct |
192 ms |
404 KB |
Output is correct |
| 43 |
Correct |
48 ms |
536 KB |
Output is correct |
| 44 |
Correct |
48 ms |
536 KB |
Output is correct |
| 45 |
Correct |
49 ms |
540 KB |
Output is correct |
| 46 |
Correct |
234 ms |
400 KB |
Output is correct |
| 47 |
Correct |
189 ms |
396 KB |
Output is correct |
| 48 |
Correct |
14 ms |
412 KB |
Output is correct |
| 49 |
Correct |
9 ms |
332 KB |
Output is correct |
| 50 |
Correct |
211 ms |
392 KB |
Output is correct |
| 51 |
Correct |
3 ms |
332 KB |
Output is correct |
| 52 |
Correct |
27 ms |
532 KB |
Output is correct |
| 53 |
Correct |
240 ms |
408 KB |
Output is correct |
| 54 |
Correct |
312 ms |
536 KB |
Output is correct |
| 55 |
Correct |
42 ms |
652 KB |
Output is correct |
| 56 |
Correct |
295 ms |
528 KB |
Output is correct |
| 57 |
Correct |
49 ms |
652 KB |
Output is correct |
| 58 |
Correct |
420 ms |
528 KB |
Output is correct |
| 59 |
Correct |
240 ms |
536 KB |
Output is correct |
| 60 |
Correct |
3 ms |
416 KB |
Output is correct |
| 61 |
Correct |
242 ms |
528 KB |
Output is correct |
| 62 |
Correct |
131 ms |
580 KB |
Output is correct |
| 63 |
Correct |
68 ms |
656 KB |
Output is correct |
| 64 |
Correct |
67 ms |
664 KB |
Output is correct |
| 65 |
Correct |
21 ms |
412 KB |
Output is correct |
| 66 |
Correct |
86 ms |
396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
332 KB |
Output is correct |
| 2 |
Correct |
2 ms |
332 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
2 ms |
332 KB |
Output is correct |
| 5 |
Correct |
3 ms |
332 KB |
Output is correct |
| 6 |
Correct |
2 ms |
416 KB |
Output is correct |
| 7 |
Correct |
2 ms |
332 KB |
Output is correct |
| 8 |
Correct |
2 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
2 ms |
332 KB |
Output is correct |
| 11 |
Correct |
3 ms |
332 KB |
Output is correct |
| 12 |
Correct |
4 ms |
416 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
3 ms |
332 KB |
Output is correct |
| 15 |
Correct |
3 ms |
412 KB |
Output is correct |
| 16 |
Correct |
5 ms |
332 KB |
Output is correct |
| 17 |
Correct |
3 ms |
412 KB |
Output is correct |
| 18 |
Correct |
3 ms |
332 KB |
Output is correct |
| 19 |
Correct |
3 ms |
364 KB |
Output is correct |
| 20 |
Correct |
2 ms |
332 KB |
Output is correct |
| 21 |
Correct |
16 ms |
332 KB |
Output is correct |
| 22 |
Correct |
21 ms |
416 KB |
Output is correct |
| 23 |
Correct |
14 ms |
416 KB |
Output is correct |
| 24 |
Correct |
28 ms |
404 KB |
Output is correct |
| 25 |
Correct |
7 ms |
412 KB |
Output is correct |
| 26 |
Correct |
6 ms |
332 KB |
Output is correct |
| 27 |
Correct |
6 ms |
332 KB |
Output is correct |
| 28 |
Correct |
5 ms |
332 KB |
Output is correct |
| 29 |
Correct |
6 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
416 KB |
Output is correct |
| 31 |
Correct |
20 ms |
416 KB |
Output is correct |
| 32 |
Correct |
32 ms |
408 KB |
Output is correct |
| 33 |
Correct |
3 ms |
332 KB |
Output is correct |
| 34 |
Correct |
3 ms |
332 KB |
Output is correct |
| 35 |
Correct |
4 ms |
332 KB |
Output is correct |
| 36 |
Correct |
36 ms |
332 KB |
Output is correct |
| 37 |
Correct |
73 ms |
580 KB |
Output is correct |
| 38 |
Correct |
74 ms |
452 KB |
Output is correct |
| 39 |
Correct |
5 ms |
332 KB |
Output is correct |
| 40 |
Correct |
243 ms |
416 KB |
Output is correct |
| 41 |
Correct |
5 ms |
332 KB |
Output is correct |
| 42 |
Correct |
192 ms |
404 KB |
Output is correct |
| 43 |
Correct |
48 ms |
536 KB |
Output is correct |
| 44 |
Correct |
48 ms |
536 KB |
Output is correct |
| 45 |
Correct |
49 ms |
540 KB |
Output is correct |
| 46 |
Correct |
234 ms |
400 KB |
Output is correct |
| 47 |
Correct |
189 ms |
396 KB |
Output is correct |
| 48 |
Correct |
14 ms |
412 KB |
Output is correct |
| 49 |
Correct |
9 ms |
332 KB |
Output is correct |
| 50 |
Correct |
211 ms |
392 KB |
Output is correct |
| 51 |
Correct |
3 ms |
332 KB |
Output is correct |
| 52 |
Correct |
27 ms |
532 KB |
Output is correct |
| 53 |
Correct |
240 ms |
408 KB |
Output is correct |
| 54 |
Correct |
312 ms |
536 KB |
Output is correct |
| 55 |
Correct |
42 ms |
652 KB |
Output is correct |
| 56 |
Correct |
295 ms |
528 KB |
Output is correct |
| 57 |
Correct |
49 ms |
652 KB |
Output is correct |
| 58 |
Correct |
420 ms |
528 KB |
Output is correct |
| 59 |
Correct |
240 ms |
536 KB |
Output is correct |
| 60 |
Correct |
3 ms |
416 KB |
Output is correct |
| 61 |
Correct |
242 ms |
528 KB |
Output is correct |
| 62 |
Correct |
131 ms |
580 KB |
Output is correct |
| 63 |
Correct |
68 ms |
656 KB |
Output is correct |
| 64 |
Correct |
67 ms |
664 KB |
Output is correct |
| 65 |
Correct |
21 ms |
412 KB |
Output is correct |
| 66 |
Correct |
86 ms |
396 KB |
Output is correct |
| 67 |
Correct |
586 ms |
524 KB |
Output is correct |
| 68 |
Correct |
6 ms |
332 KB |
Output is correct |
| 69 |
Correct |
114 ms |
1048 KB |
Output is correct |
| 70 |
Correct |
914 ms |
776 KB |
Output is correct |
| 71 |
Correct |
929 ms |
796 KB |
Output is correct |
| 72 |
Correct |
6 ms |
332 KB |
Output is correct |
| 73 |
Correct |
5 ms |
332 KB |
Output is correct |
| 74 |
Correct |
212 ms |
1036 KB |
Output is correct |
| 75 |
Correct |
535 ms |
912 KB |
Output is correct |
| 76 |
Correct |
53 ms |
964 KB |
Output is correct |
| 77 |
Correct |
107 ms |
1040 KB |
Output is correct |
