#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fi first
#define se second
#define ll long long
#define ld long double
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define mpp make_pair
#define ve vector
using namespace std;
using namespace __gnu_pbds;
template<class T> using oset = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
const ll inf = 1e18; const int iinf = 1e9;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template <typename T> inline bool chmin(T& a, T b) { return (a > b ? a = b, 1 : 0); }
template <typename T> inline bool chmax(T& a, T b) { return (a < b ? a = b, 1 : 0); }
const int N = 550;
const int MX = N * N;
int a[N], dp[MX + 1];
const int md = 998244353;
inline void add(int &a, int b) { a += b; if (a >= md){a -= md;} }
inline void sub(int &a, int b) { a -= b; if (a < 0){a += md;} }
inline void solve() {
int n;
cin >> n;
for (int i = 0; i < n; ++i) cin >> a[i];
dp[0] = 1;
for (int i = 0; i < n; ++i) {
for (int j = MX - a[i]; ~j; --j) {
add(dp[a[i] + j], dp[j]);
}
}
int s = accumulate(a, a + n, 0);
if (!dp[s >> 1]) return void(cout << 0);
bitset<MX> res; res.set();
for (int i = 0; i < n; ++i) {
for (int j = 0; j <= MX - a[i]; ++j) {
sub(dp[a[i] + j], dp[j]);
}
bitset<MX> now;
for (int x = 0; x < MX; ++x) {
if ((s - a[i] + x) & 1) continue;
if (dp[(s - a[i] + x) >> 1]) now.set(x);
}
res &= now;
for (int j = MX - a[i]; ~j; --j) {
add(dp[a[i] + j], dp[j]);
}
}
int ans = res.count();
cout << ans << '\n';
int pos = res._Find_first();
for (int i = 0; i < ans; ++i) {
cout << pos << " ";
pos = res._Find_next(pos);
}
}
signed main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int q = 1; // cin >> q;
while (q--) solve();
cerr << fixed << setprecision(3) << "Time execution: " << (double)clock() / CLOCKS_PER_SEC << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
1516 KB |
Output is correct |
2 |
Correct |
8 ms |
1492 KB |
Output is correct |
3 |
Correct |
2 ms |
1548 KB |
Output is correct |
4 |
Correct |
5 ms |
1492 KB |
Output is correct |
5 |
Correct |
14 ms |
1580 KB |
Output is correct |
6 |
Correct |
9 ms |
1492 KB |
Output is correct |
7 |
Correct |
8 ms |
1492 KB |
Output is correct |
8 |
Correct |
14 ms |
1552 KB |
Output is correct |
9 |
Correct |
13 ms |
1580 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
1516 KB |
Output is correct |
2 |
Correct |
8 ms |
1492 KB |
Output is correct |
3 |
Correct |
2 ms |
1548 KB |
Output is correct |
4 |
Correct |
5 ms |
1492 KB |
Output is correct |
5 |
Correct |
14 ms |
1580 KB |
Output is correct |
6 |
Correct |
9 ms |
1492 KB |
Output is correct |
7 |
Correct |
8 ms |
1492 KB |
Output is correct |
8 |
Correct |
14 ms |
1552 KB |
Output is correct |
9 |
Correct |
13 ms |
1580 KB |
Output is correct |
10 |
Correct |
33 ms |
1576 KB |
Output is correct |
11 |
Correct |
37 ms |
1560 KB |
Output is correct |
12 |
Correct |
35 ms |
1572 KB |
Output is correct |
13 |
Correct |
33 ms |
1492 KB |
Output is correct |
14 |
Correct |
32 ms |
1492 KB |
Output is correct |
15 |
Correct |
35 ms |
1552 KB |
Output is correct |
16 |
Correct |
37 ms |
1492 KB |
Output is correct |
17 |
Correct |
21 ms |
1492 KB |
Output is correct |
18 |
Correct |
27 ms |
1548 KB |
Output is correct |
19 |
Correct |
30 ms |
1492 KB |
Output is correct |
20 |
Correct |
34 ms |
1556 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
1516 KB |
Output is correct |
2 |
Correct |
8 ms |
1492 KB |
Output is correct |
3 |
Correct |
2 ms |
1548 KB |
Output is correct |
4 |
Correct |
5 ms |
1492 KB |
Output is correct |
5 |
Correct |
14 ms |
1580 KB |
Output is correct |
6 |
Correct |
9 ms |
1492 KB |
Output is correct |
7 |
Correct |
8 ms |
1492 KB |
Output is correct |
8 |
Correct |
14 ms |
1552 KB |
Output is correct |
9 |
Correct |
13 ms |
1580 KB |
Output is correct |
10 |
Correct |
33 ms |
1576 KB |
Output is correct |
11 |
Correct |
37 ms |
1560 KB |
Output is correct |
12 |
Correct |
35 ms |
1572 KB |
Output is correct |
13 |
Correct |
33 ms |
1492 KB |
Output is correct |
14 |
Correct |
32 ms |
1492 KB |
Output is correct |
15 |
Correct |
35 ms |
1552 KB |
Output is correct |
16 |
Correct |
37 ms |
1492 KB |
Output is correct |
17 |
Correct |
21 ms |
1492 KB |
Output is correct |
18 |
Correct |
27 ms |
1548 KB |
Output is correct |
19 |
Correct |
30 ms |
1492 KB |
Output is correct |
20 |
Correct |
34 ms |
1556 KB |
Output is correct |
21 |
Correct |
69 ms |
1560 KB |
Output is correct |
22 |
Correct |
86 ms |
1572 KB |
Output is correct |
23 |
Correct |
60 ms |
1556 KB |
Output is correct |
24 |
Correct |
110 ms |
1572 KB |
Output is correct |
25 |
Correct |
100 ms |
1564 KB |
Output is correct |
26 |
Correct |
110 ms |
1564 KB |
Output is correct |
27 |
Correct |
122 ms |
1568 KB |
Output is correct |
28 |
Correct |
108 ms |
1492 KB |
Output is correct |
29 |
Correct |
108 ms |
1564 KB |
Output is correct |
30 |
Correct |
111 ms |
1560 KB |
Output is correct |
31 |
Correct |
108 ms |
1572 KB |
Output is correct |
32 |
Correct |
111 ms |
1564 KB |
Output is correct |
33 |
Correct |
105 ms |
1556 KB |
Output is correct |
34 |
Correct |
105 ms |
1492 KB |
Output is correct |
35 |
Correct |
108 ms |
1492 KB |
Output is correct |
36 |
Correct |
111 ms |
1560 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
1516 KB |
Output is correct |
2 |
Correct |
8 ms |
1492 KB |
Output is correct |
3 |
Correct |
2 ms |
1548 KB |
Output is correct |
4 |
Correct |
5 ms |
1492 KB |
Output is correct |
5 |
Correct |
14 ms |
1580 KB |
Output is correct |
6 |
Correct |
9 ms |
1492 KB |
Output is correct |
7 |
Correct |
8 ms |
1492 KB |
Output is correct |
8 |
Correct |
14 ms |
1552 KB |
Output is correct |
9 |
Correct |
13 ms |
1580 KB |
Output is correct |
10 |
Correct |
33 ms |
1576 KB |
Output is correct |
11 |
Correct |
37 ms |
1560 KB |
Output is correct |
12 |
Correct |
35 ms |
1572 KB |
Output is correct |
13 |
Correct |
33 ms |
1492 KB |
Output is correct |
14 |
Correct |
32 ms |
1492 KB |
Output is correct |
15 |
Correct |
35 ms |
1552 KB |
Output is correct |
16 |
Correct |
37 ms |
1492 KB |
Output is correct |
17 |
Correct |
21 ms |
1492 KB |
Output is correct |
18 |
Correct |
27 ms |
1548 KB |
Output is correct |
19 |
Correct |
30 ms |
1492 KB |
Output is correct |
20 |
Correct |
34 ms |
1556 KB |
Output is correct |
21 |
Correct |
69 ms |
1560 KB |
Output is correct |
22 |
Correct |
86 ms |
1572 KB |
Output is correct |
23 |
Correct |
60 ms |
1556 KB |
Output is correct |
24 |
Correct |
110 ms |
1572 KB |
Output is correct |
25 |
Correct |
100 ms |
1564 KB |
Output is correct |
26 |
Correct |
110 ms |
1564 KB |
Output is correct |
27 |
Correct |
122 ms |
1568 KB |
Output is correct |
28 |
Correct |
108 ms |
1492 KB |
Output is correct |
29 |
Correct |
108 ms |
1564 KB |
Output is correct |
30 |
Correct |
111 ms |
1560 KB |
Output is correct |
31 |
Correct |
108 ms |
1572 KB |
Output is correct |
32 |
Correct |
111 ms |
1564 KB |
Output is correct |
33 |
Correct |
105 ms |
1556 KB |
Output is correct |
34 |
Correct |
105 ms |
1492 KB |
Output is correct |
35 |
Correct |
108 ms |
1492 KB |
Output is correct |
36 |
Correct |
111 ms |
1560 KB |
Output is correct |
37 |
Correct |
214 ms |
1572 KB |
Output is correct |
38 |
Correct |
225 ms |
1564 KB |
Output is correct |
39 |
Correct |
262 ms |
1560 KB |
Output is correct |
40 |
Correct |
286 ms |
1572 KB |
Output is correct |
41 |
Correct |
296 ms |
1564 KB |
Output is correct |
42 |
Correct |
263 ms |
1560 KB |
Output is correct |
43 |
Correct |
264 ms |
1692 KB |
Output is correct |
44 |
Correct |
265 ms |
1688 KB |
Output is correct |
45 |
Correct |
265 ms |
1692 KB |
Output is correct |
46 |
Correct |
300 ms |
1556 KB |
Output is correct |
47 |
Correct |
293 ms |
1576 KB |
Output is correct |
48 |
Correct |
263 ms |
1568 KB |
Output is correct |
49 |
Correct |
270 ms |
1560 KB |
Output is correct |
50 |
Correct |
276 ms |
1572 KB |
Output is correct |
51 |
Correct |
274 ms |
1568 KB |
Output is correct |
52 |
Correct |
285 ms |
1740 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
1516 KB |
Output is correct |
2 |
Correct |
8 ms |
1492 KB |
Output is correct |
3 |
Correct |
2 ms |
1548 KB |
Output is correct |
4 |
Correct |
5 ms |
1492 KB |
Output is correct |
5 |
Correct |
14 ms |
1580 KB |
Output is correct |
6 |
Correct |
9 ms |
1492 KB |
Output is correct |
7 |
Correct |
8 ms |
1492 KB |
Output is correct |
8 |
Correct |
14 ms |
1552 KB |
Output is correct |
9 |
Correct |
13 ms |
1580 KB |
Output is correct |
10 |
Correct |
33 ms |
1576 KB |
Output is correct |
11 |
Correct |
37 ms |
1560 KB |
Output is correct |
12 |
Correct |
35 ms |
1572 KB |
Output is correct |
13 |
Correct |
33 ms |
1492 KB |
Output is correct |
14 |
Correct |
32 ms |
1492 KB |
Output is correct |
15 |
Correct |
35 ms |
1552 KB |
Output is correct |
16 |
Correct |
37 ms |
1492 KB |
Output is correct |
17 |
Correct |
21 ms |
1492 KB |
Output is correct |
18 |
Correct |
27 ms |
1548 KB |
Output is correct |
19 |
Correct |
30 ms |
1492 KB |
Output is correct |
20 |
Correct |
34 ms |
1556 KB |
Output is correct |
21 |
Correct |
69 ms |
1560 KB |
Output is correct |
22 |
Correct |
86 ms |
1572 KB |
Output is correct |
23 |
Correct |
60 ms |
1556 KB |
Output is correct |
24 |
Correct |
110 ms |
1572 KB |
Output is correct |
25 |
Correct |
100 ms |
1564 KB |
Output is correct |
26 |
Correct |
110 ms |
1564 KB |
Output is correct |
27 |
Correct |
122 ms |
1568 KB |
Output is correct |
28 |
Correct |
108 ms |
1492 KB |
Output is correct |
29 |
Correct |
108 ms |
1564 KB |
Output is correct |
30 |
Correct |
111 ms |
1560 KB |
Output is correct |
31 |
Correct |
108 ms |
1572 KB |
Output is correct |
32 |
Correct |
111 ms |
1564 KB |
Output is correct |
33 |
Correct |
105 ms |
1556 KB |
Output is correct |
34 |
Correct |
105 ms |
1492 KB |
Output is correct |
35 |
Correct |
108 ms |
1492 KB |
Output is correct |
36 |
Correct |
111 ms |
1560 KB |
Output is correct |
37 |
Correct |
214 ms |
1572 KB |
Output is correct |
38 |
Correct |
225 ms |
1564 KB |
Output is correct |
39 |
Correct |
262 ms |
1560 KB |
Output is correct |
40 |
Correct |
286 ms |
1572 KB |
Output is correct |
41 |
Correct |
296 ms |
1564 KB |
Output is correct |
42 |
Correct |
263 ms |
1560 KB |
Output is correct |
43 |
Correct |
264 ms |
1692 KB |
Output is correct |
44 |
Correct |
265 ms |
1688 KB |
Output is correct |
45 |
Correct |
265 ms |
1692 KB |
Output is correct |
46 |
Correct |
300 ms |
1556 KB |
Output is correct |
47 |
Correct |
293 ms |
1576 KB |
Output is correct |
48 |
Correct |
263 ms |
1568 KB |
Output is correct |
49 |
Correct |
270 ms |
1560 KB |
Output is correct |
50 |
Correct |
276 ms |
1572 KB |
Output is correct |
51 |
Correct |
274 ms |
1568 KB |
Output is correct |
52 |
Correct |
285 ms |
1740 KB |
Output is correct |
53 |
Correct |
312 ms |
1692 KB |
Output is correct |
54 |
Correct |
385 ms |
1688 KB |
Output is correct |
55 |
Correct |
362 ms |
1812 KB |
Output is correct |
56 |
Correct |
319 ms |
1688 KB |
Output is correct |
57 |
Correct |
392 ms |
1820 KB |
Output is correct |
58 |
Incorrect |
374 ms |
1740 KB |
Output isn't correct |
59 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
1516 KB |
Output is correct |
2 |
Correct |
8 ms |
1492 KB |
Output is correct |
3 |
Correct |
2 ms |
1548 KB |
Output is correct |
4 |
Correct |
5 ms |
1492 KB |
Output is correct |
5 |
Correct |
14 ms |
1580 KB |
Output is correct |
6 |
Correct |
9 ms |
1492 KB |
Output is correct |
7 |
Correct |
8 ms |
1492 KB |
Output is correct |
8 |
Correct |
14 ms |
1552 KB |
Output is correct |
9 |
Correct |
13 ms |
1580 KB |
Output is correct |
10 |
Correct |
33 ms |
1576 KB |
Output is correct |
11 |
Correct |
37 ms |
1560 KB |
Output is correct |
12 |
Correct |
35 ms |
1572 KB |
Output is correct |
13 |
Correct |
33 ms |
1492 KB |
Output is correct |
14 |
Correct |
32 ms |
1492 KB |
Output is correct |
15 |
Correct |
35 ms |
1552 KB |
Output is correct |
16 |
Correct |
37 ms |
1492 KB |
Output is correct |
17 |
Correct |
21 ms |
1492 KB |
Output is correct |
18 |
Correct |
27 ms |
1548 KB |
Output is correct |
19 |
Correct |
30 ms |
1492 KB |
Output is correct |
20 |
Correct |
34 ms |
1556 KB |
Output is correct |
21 |
Correct |
69 ms |
1560 KB |
Output is correct |
22 |
Correct |
86 ms |
1572 KB |
Output is correct |
23 |
Correct |
60 ms |
1556 KB |
Output is correct |
24 |
Correct |
110 ms |
1572 KB |
Output is correct |
25 |
Correct |
100 ms |
1564 KB |
Output is correct |
26 |
Correct |
110 ms |
1564 KB |
Output is correct |
27 |
Correct |
122 ms |
1568 KB |
Output is correct |
28 |
Correct |
108 ms |
1492 KB |
Output is correct |
29 |
Correct |
108 ms |
1564 KB |
Output is correct |
30 |
Correct |
111 ms |
1560 KB |
Output is correct |
31 |
Correct |
108 ms |
1572 KB |
Output is correct |
32 |
Correct |
111 ms |
1564 KB |
Output is correct |
33 |
Correct |
105 ms |
1556 KB |
Output is correct |
34 |
Correct |
105 ms |
1492 KB |
Output is correct |
35 |
Correct |
108 ms |
1492 KB |
Output is correct |
36 |
Correct |
111 ms |
1560 KB |
Output is correct |
37 |
Correct |
214 ms |
1572 KB |
Output is correct |
38 |
Correct |
225 ms |
1564 KB |
Output is correct |
39 |
Correct |
262 ms |
1560 KB |
Output is correct |
40 |
Correct |
286 ms |
1572 KB |
Output is correct |
41 |
Correct |
296 ms |
1564 KB |
Output is correct |
42 |
Correct |
263 ms |
1560 KB |
Output is correct |
43 |
Correct |
264 ms |
1692 KB |
Output is correct |
44 |
Correct |
265 ms |
1688 KB |
Output is correct |
45 |
Correct |
265 ms |
1692 KB |
Output is correct |
46 |
Correct |
300 ms |
1556 KB |
Output is correct |
47 |
Correct |
293 ms |
1576 KB |
Output is correct |
48 |
Correct |
263 ms |
1568 KB |
Output is correct |
49 |
Correct |
270 ms |
1560 KB |
Output is correct |
50 |
Correct |
276 ms |
1572 KB |
Output is correct |
51 |
Correct |
274 ms |
1568 KB |
Output is correct |
52 |
Correct |
285 ms |
1740 KB |
Output is correct |
53 |
Correct |
312 ms |
1692 KB |
Output is correct |
54 |
Correct |
385 ms |
1688 KB |
Output is correct |
55 |
Correct |
362 ms |
1812 KB |
Output is correct |
56 |
Correct |
319 ms |
1688 KB |
Output is correct |
57 |
Correct |
392 ms |
1820 KB |
Output is correct |
58 |
Incorrect |
374 ms |
1740 KB |
Output isn't correct |
59 |
Halted |
0 ms |
0 KB |
- |