#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("sse4,avx2,fma,avx")
#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define pb push_back
#define ld long double
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define vec vector
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count());
const ld eps = 1e-6;
const int mod = 998244353;
const int oo = 2e9;
const ll OO = 2e18;
const int N = 250001;
int n;
bitset<N> can;
void backpack(vec<int> &a)
{
can.reset();
can[0] = 1;
for (int i = 1; i <= n; i++) can |= can << a[i];
}
void solve()
{
cin >> n;
vec<int> a(n + 1);
int s = 0;
for (int i = 1; i <= n; i++) cin >> a[i], s += a[i];
backpack(a);
if (!can[s / 2])
{
cout << 0;
return;
}
vec<int> cnt(500 * n + 1);
for (int i = 1; i <= n; i++)
{
int t = a[i];
a[i] = 0;
backpack(a);
a[i] = t;
int from = (s - a[i]) % 2 ? 1 : 2;
for (int j = from; j <= 500 * n; j += 2)
{
if (can[(s - a[i] + j) / 2]) cnt[j]++;
}
}
vec<int> ans;
for (int i = 1; i <= 500 * n; i++) if (cnt[i] == n) ans.pb(i);
cout << sz(ans) << "\n";
for (int &x : ans) cout << x << " ";
}
int32_t main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
6 ms |
468 KB |
Output is correct |
11 |
Correct |
6 ms |
476 KB |
Output is correct |
12 |
Correct |
6 ms |
468 KB |
Output is correct |
13 |
Correct |
4 ms |
340 KB |
Output is correct |
14 |
Correct |
5 ms |
468 KB |
Output is correct |
15 |
Correct |
5 ms |
340 KB |
Output is correct |
16 |
Correct |
6 ms |
468 KB |
Output is correct |
17 |
Correct |
2 ms |
332 KB |
Output is correct |
18 |
Correct |
6 ms |
456 KB |
Output is correct |
19 |
Correct |
5 ms |
452 KB |
Output is correct |
20 |
Correct |
6 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
6 ms |
468 KB |
Output is correct |
11 |
Correct |
6 ms |
476 KB |
Output is correct |
12 |
Correct |
6 ms |
468 KB |
Output is correct |
13 |
Correct |
4 ms |
340 KB |
Output is correct |
14 |
Correct |
5 ms |
468 KB |
Output is correct |
15 |
Correct |
5 ms |
340 KB |
Output is correct |
16 |
Correct |
6 ms |
468 KB |
Output is correct |
17 |
Correct |
2 ms |
332 KB |
Output is correct |
18 |
Correct |
6 ms |
456 KB |
Output is correct |
19 |
Correct |
5 ms |
452 KB |
Output is correct |
20 |
Correct |
6 ms |
468 KB |
Output is correct |
21 |
Correct |
25 ms |
520 KB |
Output is correct |
22 |
Correct |
33 ms |
564 KB |
Output is correct |
23 |
Correct |
15 ms |
504 KB |
Output is correct |
24 |
Correct |
51 ms |
596 KB |
Output is correct |
25 |
Correct |
53 ms |
596 KB |
Output is correct |
26 |
Correct |
62 ms |
600 KB |
Output is correct |
27 |
Correct |
68 ms |
600 KB |
Output is correct |
28 |
Correct |
73 ms |
596 KB |
Output is correct |
29 |
Correct |
61 ms |
600 KB |
Output is correct |
30 |
Correct |
61 ms |
596 KB |
Output is correct |
31 |
Correct |
61 ms |
600 KB |
Output is correct |
32 |
Correct |
59 ms |
596 KB |
Output is correct |
33 |
Correct |
58 ms |
596 KB |
Output is correct |
34 |
Correct |
57 ms |
596 KB |
Output is correct |
35 |
Correct |
57 ms |
596 KB |
Output is correct |
36 |
Correct |
57 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
6 ms |
468 KB |
Output is correct |
11 |
Correct |
6 ms |
476 KB |
Output is correct |
12 |
Correct |
6 ms |
468 KB |
Output is correct |
13 |
Correct |
4 ms |
340 KB |
Output is correct |
14 |
Correct |
5 ms |
468 KB |
Output is correct |
15 |
Correct |
5 ms |
340 KB |
Output is correct |
16 |
Correct |
6 ms |
468 KB |
Output is correct |
17 |
Correct |
2 ms |
332 KB |
Output is correct |
18 |
Correct |
6 ms |
456 KB |
Output is correct |
19 |
Correct |
5 ms |
452 KB |
Output is correct |
20 |
Correct |
6 ms |
468 KB |
Output is correct |
21 |
Correct |
25 ms |
520 KB |
Output is correct |
22 |
Correct |
33 ms |
564 KB |
Output is correct |
23 |
Correct |
15 ms |
504 KB |
Output is correct |
24 |
Correct |
51 ms |
596 KB |
Output is correct |
25 |
Correct |
53 ms |
596 KB |
Output is correct |
26 |
Correct |
62 ms |
600 KB |
Output is correct |
27 |
Correct |
68 ms |
600 KB |
Output is correct |
28 |
Correct |
73 ms |
596 KB |
Output is correct |
29 |
Correct |
61 ms |
600 KB |
Output is correct |
30 |
Correct |
61 ms |
596 KB |
Output is correct |
31 |
Correct |
61 ms |
600 KB |
Output is correct |
32 |
Correct |
59 ms |
596 KB |
Output is correct |
33 |
Correct |
58 ms |
596 KB |
Output is correct |
34 |
Correct |
57 ms |
596 KB |
Output is correct |
35 |
Correct |
57 ms |
596 KB |
Output is correct |
36 |
Correct |
57 ms |
596 KB |
Output is correct |
37 |
Correct |
242 ms |
920 KB |
Output is correct |
38 |
Correct |
248 ms |
916 KB |
Output is correct |
39 |
Correct |
358 ms |
884 KB |
Output is correct |
40 |
Correct |
449 ms |
1056 KB |
Output is correct |
41 |
Correct |
411 ms |
852 KB |
Output is correct |
42 |
Correct |
407 ms |
1100 KB |
Output is correct |
43 |
Correct |
342 ms |
1264 KB |
Output is correct |
44 |
Correct |
364 ms |
1280 KB |
Output is correct |
45 |
Correct |
355 ms |
1292 KB |
Output is correct |
46 |
Correct |
424 ms |
836 KB |
Output is correct |
47 |
Correct |
360 ms |
1020 KB |
Output is correct |
48 |
Correct |
363 ms |
1144 KB |
Output is correct |
49 |
Correct |
357 ms |
972 KB |
Output is correct |
50 |
Correct |
370 ms |
1020 KB |
Output is correct |
51 |
Correct |
370 ms |
852 KB |
Output is correct |
52 |
Correct |
433 ms |
1312 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
6 ms |
468 KB |
Output is correct |
11 |
Correct |
6 ms |
476 KB |
Output is correct |
12 |
Correct |
6 ms |
468 KB |
Output is correct |
13 |
Correct |
4 ms |
340 KB |
Output is correct |
14 |
Correct |
5 ms |
468 KB |
Output is correct |
15 |
Correct |
5 ms |
340 KB |
Output is correct |
16 |
Correct |
6 ms |
468 KB |
Output is correct |
17 |
Correct |
2 ms |
332 KB |
Output is correct |
18 |
Correct |
6 ms |
456 KB |
Output is correct |
19 |
Correct |
5 ms |
452 KB |
Output is correct |
20 |
Correct |
6 ms |
468 KB |
Output is correct |
21 |
Correct |
25 ms |
520 KB |
Output is correct |
22 |
Correct |
33 ms |
564 KB |
Output is correct |
23 |
Correct |
15 ms |
504 KB |
Output is correct |
24 |
Correct |
51 ms |
596 KB |
Output is correct |
25 |
Correct |
53 ms |
596 KB |
Output is correct |
26 |
Correct |
62 ms |
600 KB |
Output is correct |
27 |
Correct |
68 ms |
600 KB |
Output is correct |
28 |
Correct |
73 ms |
596 KB |
Output is correct |
29 |
Correct |
61 ms |
600 KB |
Output is correct |
30 |
Correct |
61 ms |
596 KB |
Output is correct |
31 |
Correct |
61 ms |
600 KB |
Output is correct |
32 |
Correct |
59 ms |
596 KB |
Output is correct |
33 |
Correct |
58 ms |
596 KB |
Output is correct |
34 |
Correct |
57 ms |
596 KB |
Output is correct |
35 |
Correct |
57 ms |
596 KB |
Output is correct |
36 |
Correct |
57 ms |
596 KB |
Output is correct |
37 |
Correct |
242 ms |
920 KB |
Output is correct |
38 |
Correct |
248 ms |
916 KB |
Output is correct |
39 |
Correct |
358 ms |
884 KB |
Output is correct |
40 |
Correct |
449 ms |
1056 KB |
Output is correct |
41 |
Correct |
411 ms |
852 KB |
Output is correct |
42 |
Correct |
407 ms |
1100 KB |
Output is correct |
43 |
Correct |
342 ms |
1264 KB |
Output is correct |
44 |
Correct |
364 ms |
1280 KB |
Output is correct |
45 |
Correct |
355 ms |
1292 KB |
Output is correct |
46 |
Correct |
424 ms |
836 KB |
Output is correct |
47 |
Correct |
360 ms |
1020 KB |
Output is correct |
48 |
Correct |
363 ms |
1144 KB |
Output is correct |
49 |
Correct |
357 ms |
972 KB |
Output is correct |
50 |
Correct |
370 ms |
1020 KB |
Output is correct |
51 |
Correct |
370 ms |
852 KB |
Output is correct |
52 |
Correct |
433 ms |
1312 KB |
Output is correct |
53 |
Correct |
562 ms |
1228 KB |
Output is correct |
54 |
Correct |
714 ms |
1484 KB |
Output is correct |
55 |
Correct |
727 ms |
1600 KB |
Output is correct |
56 |
Correct |
569 ms |
1388 KB |
Output is correct |
57 |
Correct |
721 ms |
1620 KB |
Output is correct |
58 |
Correct |
697 ms |
1476 KB |
Output is correct |
59 |
Correct |
719 ms |
1472 KB |
Output is correct |
60 |
Correct |
724 ms |
980 KB |
Output is correct |
61 |
Correct |
710 ms |
1604 KB |
Output is correct |
62 |
Correct |
598 ms |
1544 KB |
Output is correct |
63 |
Correct |
596 ms |
1544 KB |
Output is correct |
64 |
Correct |
569 ms |
1532 KB |
Output is correct |
65 |
Correct |
572 ms |
1024 KB |
Output is correct |
66 |
Correct |
547 ms |
1100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
328 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
6 ms |
468 KB |
Output is correct |
11 |
Correct |
6 ms |
476 KB |
Output is correct |
12 |
Correct |
6 ms |
468 KB |
Output is correct |
13 |
Correct |
4 ms |
340 KB |
Output is correct |
14 |
Correct |
5 ms |
468 KB |
Output is correct |
15 |
Correct |
5 ms |
340 KB |
Output is correct |
16 |
Correct |
6 ms |
468 KB |
Output is correct |
17 |
Correct |
2 ms |
332 KB |
Output is correct |
18 |
Correct |
6 ms |
456 KB |
Output is correct |
19 |
Correct |
5 ms |
452 KB |
Output is correct |
20 |
Correct |
6 ms |
468 KB |
Output is correct |
21 |
Correct |
25 ms |
520 KB |
Output is correct |
22 |
Correct |
33 ms |
564 KB |
Output is correct |
23 |
Correct |
15 ms |
504 KB |
Output is correct |
24 |
Correct |
51 ms |
596 KB |
Output is correct |
25 |
Correct |
53 ms |
596 KB |
Output is correct |
26 |
Correct |
62 ms |
600 KB |
Output is correct |
27 |
Correct |
68 ms |
600 KB |
Output is correct |
28 |
Correct |
73 ms |
596 KB |
Output is correct |
29 |
Correct |
61 ms |
600 KB |
Output is correct |
30 |
Correct |
61 ms |
596 KB |
Output is correct |
31 |
Correct |
61 ms |
600 KB |
Output is correct |
32 |
Correct |
59 ms |
596 KB |
Output is correct |
33 |
Correct |
58 ms |
596 KB |
Output is correct |
34 |
Correct |
57 ms |
596 KB |
Output is correct |
35 |
Correct |
57 ms |
596 KB |
Output is correct |
36 |
Correct |
57 ms |
596 KB |
Output is correct |
37 |
Correct |
242 ms |
920 KB |
Output is correct |
38 |
Correct |
248 ms |
916 KB |
Output is correct |
39 |
Correct |
358 ms |
884 KB |
Output is correct |
40 |
Correct |
449 ms |
1056 KB |
Output is correct |
41 |
Correct |
411 ms |
852 KB |
Output is correct |
42 |
Correct |
407 ms |
1100 KB |
Output is correct |
43 |
Correct |
342 ms |
1264 KB |
Output is correct |
44 |
Correct |
364 ms |
1280 KB |
Output is correct |
45 |
Correct |
355 ms |
1292 KB |
Output is correct |
46 |
Correct |
424 ms |
836 KB |
Output is correct |
47 |
Correct |
360 ms |
1020 KB |
Output is correct |
48 |
Correct |
363 ms |
1144 KB |
Output is correct |
49 |
Correct |
357 ms |
972 KB |
Output is correct |
50 |
Correct |
370 ms |
1020 KB |
Output is correct |
51 |
Correct |
370 ms |
852 KB |
Output is correct |
52 |
Correct |
433 ms |
1312 KB |
Output is correct |
53 |
Correct |
562 ms |
1228 KB |
Output is correct |
54 |
Correct |
714 ms |
1484 KB |
Output is correct |
55 |
Correct |
727 ms |
1600 KB |
Output is correct |
56 |
Correct |
569 ms |
1388 KB |
Output is correct |
57 |
Correct |
721 ms |
1620 KB |
Output is correct |
58 |
Correct |
697 ms |
1476 KB |
Output is correct |
59 |
Correct |
719 ms |
1472 KB |
Output is correct |
60 |
Correct |
724 ms |
980 KB |
Output is correct |
61 |
Correct |
710 ms |
1604 KB |
Output is correct |
62 |
Correct |
598 ms |
1544 KB |
Output is correct |
63 |
Correct |
596 ms |
1544 KB |
Output is correct |
64 |
Correct |
569 ms |
1532 KB |
Output is correct |
65 |
Correct |
572 ms |
1024 KB |
Output is correct |
66 |
Correct |
547 ms |
1100 KB |
Output is correct |
67 |
Correct |
949 ms |
1700 KB |
Output is correct |
68 |
Correct |
4 ms |
340 KB |
Output is correct |
69 |
Execution timed out |
1090 ms |
1348 KB |
Time limit exceeded |
70 |
Halted |
0 ms |
0 KB |
- |