#include <bits/stdc++.h>
#pragma GCC optimize ("Ofast,unroll-loops")
#pragma GCC target ("avx2")
using namespace std;
typedef long long ll;
typedef pair<int, int> pp;
#define er(args ...) cerr << __LINE__ << ": ", err(new istringstream(string(#args)), args), cerr << endl
#define per(i,r,l) for(int i = (r); i >= (l); i--)
#define rep(i,l,r) for(int i = (l); i < (r); i++)
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define pb push_back
#define ss second
#define ff first
void err(istringstream *iss){}template<typename T,typename ...Args> void err(istringstream *iss,const T &_val, const Args&...args){string _name;*iss>>_name;if(_name.back()==',')_name.pop_back();cerr<<_name<<" = "<<_val<<", ",err(iss,args...);}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const ll mod = 1e9 + 7, maxn = 5e2+5, lg = 20, inf = ll(1e9) + 5;
ll pw(ll a,ll b,ll md=mod){if(!b)return 1;ll k=pw(a,b>>1ll);return k*k%md*(b&1ll?a:1)%md;}
bitset<maxn*maxn> dp[maxn];
int main(){
cin.tie(0) -> sync_with_stdio(0);
int n; cin >> n;
vector<int> a(n);
int sum = 0;
rep(i,0,n) cin >> a[i];
int k = -1, f = 1;
rep(i,0,n){
int t = 0;
while(a[i]%2 == 0) t++, a[i] >>= 1, f *= 1 + (k == -1);
if(k == -1) k = t;
if(t - k) return cout << "0\n", 0;
sum += a[i];
}
rep(k,0,n+1){
dp[k][0] = true;
rep(i,0,n){
if(i == k) continue;
dp[k] |= dp[k]<<a[i];
}
}
if((sum&1) || !dp[n][sum>>1]) return cout << "0\n", 0;
vector<int> ans;
rep(i,0,maxn*maxn) dp[n][i] = 1;
rep(i,0,n) dp[i] >>= (sum - a[i] + 1)>>1, dp[n] &= dp[i];
rep(i,0,sum+1) if(dp[n][i]) ans.pb((i<<1)+1);
cout << sz(ans) << '\n';
for(int c: ans) cout << c*f << ' ';
if(sz(ans)) cout << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
2 ms |
724 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
724 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
2 ms |
724 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
724 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
7 ms |
1236 KB |
Output is correct |
11 |
Correct |
7 ms |
1252 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
7 ms |
1236 KB |
Output is correct |
15 |
Correct |
6 ms |
1236 KB |
Output is correct |
16 |
Correct |
7 ms |
1236 KB |
Output is correct |
17 |
Correct |
4 ms |
980 KB |
Output is correct |
18 |
Correct |
5 ms |
1048 KB |
Output is correct |
19 |
Correct |
6 ms |
1232 KB |
Output is correct |
20 |
Correct |
8 ms |
1364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
2 ms |
724 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
724 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
7 ms |
1236 KB |
Output is correct |
11 |
Correct |
7 ms |
1252 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
7 ms |
1236 KB |
Output is correct |
15 |
Correct |
6 ms |
1236 KB |
Output is correct |
16 |
Correct |
7 ms |
1236 KB |
Output is correct |
17 |
Correct |
4 ms |
980 KB |
Output is correct |
18 |
Correct |
5 ms |
1048 KB |
Output is correct |
19 |
Correct |
6 ms |
1232 KB |
Output is correct |
20 |
Correct |
8 ms |
1364 KB |
Output is correct |
21 |
Correct |
30 ms |
2388 KB |
Output is correct |
22 |
Correct |
38 ms |
2732 KB |
Output is correct |
23 |
Correct |
17 ms |
2004 KB |
Output is correct |
24 |
Correct |
56 ms |
3288 KB |
Output is correct |
25 |
Correct |
57 ms |
3372 KB |
Output is correct |
26 |
Correct |
70 ms |
3452 KB |
Output is correct |
27 |
Correct |
67 ms |
3532 KB |
Output is correct |
28 |
Correct |
64 ms |
3516 KB |
Output is correct |
29 |
Correct |
67 ms |
3560 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
76 ms |
3456 KB |
Output is correct |
32 |
Correct |
68 ms |
3548 KB |
Output is correct |
33 |
Correct |
74 ms |
3440 KB |
Output is correct |
34 |
Correct |
62 ms |
3468 KB |
Output is correct |
35 |
Correct |
72 ms |
3464 KB |
Output is correct |
36 |
Correct |
69 ms |
3452 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
2 ms |
724 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
724 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
7 ms |
1236 KB |
Output is correct |
11 |
Correct |
7 ms |
1252 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
7 ms |
1236 KB |
Output is correct |
15 |
Correct |
6 ms |
1236 KB |
Output is correct |
16 |
Correct |
7 ms |
1236 KB |
Output is correct |
17 |
Correct |
4 ms |
980 KB |
Output is correct |
18 |
Correct |
5 ms |
1048 KB |
Output is correct |
19 |
Correct |
6 ms |
1232 KB |
Output is correct |
20 |
Correct |
8 ms |
1364 KB |
Output is correct |
21 |
Correct |
30 ms |
2388 KB |
Output is correct |
22 |
Correct |
38 ms |
2732 KB |
Output is correct |
23 |
Correct |
17 ms |
2004 KB |
Output is correct |
24 |
Correct |
56 ms |
3288 KB |
Output is correct |
25 |
Correct |
57 ms |
3372 KB |
Output is correct |
26 |
Correct |
70 ms |
3452 KB |
Output is correct |
27 |
Correct |
67 ms |
3532 KB |
Output is correct |
28 |
Correct |
64 ms |
3516 KB |
Output is correct |
29 |
Correct |
67 ms |
3560 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
76 ms |
3456 KB |
Output is correct |
32 |
Correct |
68 ms |
3548 KB |
Output is correct |
33 |
Correct |
74 ms |
3440 KB |
Output is correct |
34 |
Correct |
62 ms |
3468 KB |
Output is correct |
35 |
Correct |
72 ms |
3464 KB |
Output is correct |
36 |
Correct |
69 ms |
3452 KB |
Output is correct |
37 |
Correct |
255 ms |
6800 KB |
Output is correct |
38 |
Correct |
251 ms |
6760 KB |
Output is correct |
39 |
Correct |
384 ms |
8144 KB |
Output is correct |
40 |
Correct |
465 ms |
8984 KB |
Output is correct |
41 |
Correct |
454 ms |
8728 KB |
Output is correct |
42 |
Correct |
381 ms |
8348 KB |
Output is correct |
43 |
Correct |
398 ms |
8272 KB |
Output is correct |
44 |
Correct |
377 ms |
8588 KB |
Output is correct |
45 |
Correct |
384 ms |
8596 KB |
Output is correct |
46 |
Correct |
0 ms |
340 KB |
Output is correct |
47 |
Correct |
391 ms |
8420 KB |
Output is correct |
48 |
Correct |
430 ms |
8516 KB |
Output is correct |
49 |
Correct |
402 ms |
8328 KB |
Output is correct |
50 |
Correct |
394 ms |
8392 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
451 ms |
9192 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
2 ms |
724 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
724 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
7 ms |
1236 KB |
Output is correct |
11 |
Correct |
7 ms |
1252 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
7 ms |
1236 KB |
Output is correct |
15 |
Correct |
6 ms |
1236 KB |
Output is correct |
16 |
Correct |
7 ms |
1236 KB |
Output is correct |
17 |
Correct |
4 ms |
980 KB |
Output is correct |
18 |
Correct |
5 ms |
1048 KB |
Output is correct |
19 |
Correct |
6 ms |
1232 KB |
Output is correct |
20 |
Correct |
8 ms |
1364 KB |
Output is correct |
21 |
Correct |
30 ms |
2388 KB |
Output is correct |
22 |
Correct |
38 ms |
2732 KB |
Output is correct |
23 |
Correct |
17 ms |
2004 KB |
Output is correct |
24 |
Correct |
56 ms |
3288 KB |
Output is correct |
25 |
Correct |
57 ms |
3372 KB |
Output is correct |
26 |
Correct |
70 ms |
3452 KB |
Output is correct |
27 |
Correct |
67 ms |
3532 KB |
Output is correct |
28 |
Correct |
64 ms |
3516 KB |
Output is correct |
29 |
Correct |
67 ms |
3560 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
76 ms |
3456 KB |
Output is correct |
32 |
Correct |
68 ms |
3548 KB |
Output is correct |
33 |
Correct |
74 ms |
3440 KB |
Output is correct |
34 |
Correct |
62 ms |
3468 KB |
Output is correct |
35 |
Correct |
72 ms |
3464 KB |
Output is correct |
36 |
Correct |
69 ms |
3452 KB |
Output is correct |
37 |
Correct |
255 ms |
6800 KB |
Output is correct |
38 |
Correct |
251 ms |
6760 KB |
Output is correct |
39 |
Correct |
384 ms |
8144 KB |
Output is correct |
40 |
Correct |
465 ms |
8984 KB |
Output is correct |
41 |
Correct |
454 ms |
8728 KB |
Output is correct |
42 |
Correct |
381 ms |
8348 KB |
Output is correct |
43 |
Correct |
398 ms |
8272 KB |
Output is correct |
44 |
Correct |
377 ms |
8588 KB |
Output is correct |
45 |
Correct |
384 ms |
8596 KB |
Output is correct |
46 |
Correct |
0 ms |
340 KB |
Output is correct |
47 |
Correct |
391 ms |
8420 KB |
Output is correct |
48 |
Correct |
430 ms |
8516 KB |
Output is correct |
49 |
Correct |
402 ms |
8328 KB |
Output is correct |
50 |
Correct |
394 ms |
8392 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
451 ms |
9192 KB |
Output is correct |
53 |
Correct |
567 ms |
10060 KB |
Output is correct |
54 |
Correct |
797 ms |
11796 KB |
Output is correct |
55 |
Correct |
750 ms |
11952 KB |
Output is correct |
56 |
Correct |
571 ms |
10412 KB |
Output is correct |
57 |
Correct |
759 ms |
12008 KB |
Output is correct |
58 |
Correct |
779 ms |
11752 KB |
Output is correct |
59 |
Correct |
744 ms |
11820 KB |
Output is correct |
60 |
Correct |
1 ms |
340 KB |
Output is correct |
61 |
Correct |
748 ms |
11856 KB |
Output is correct |
62 |
Correct |
653 ms |
10872 KB |
Output is correct |
63 |
Correct |
661 ms |
11036 KB |
Output is correct |
64 |
Correct |
613 ms |
10892 KB |
Output is correct |
65 |
Correct |
610 ms |
10180 KB |
Output is correct |
66 |
Correct |
598 ms |
10060 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
2 ms |
724 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
724 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
7 ms |
1236 KB |
Output is correct |
11 |
Correct |
7 ms |
1252 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
7 ms |
1236 KB |
Output is correct |
15 |
Correct |
6 ms |
1236 KB |
Output is correct |
16 |
Correct |
7 ms |
1236 KB |
Output is correct |
17 |
Correct |
4 ms |
980 KB |
Output is correct |
18 |
Correct |
5 ms |
1048 KB |
Output is correct |
19 |
Correct |
6 ms |
1232 KB |
Output is correct |
20 |
Correct |
8 ms |
1364 KB |
Output is correct |
21 |
Correct |
30 ms |
2388 KB |
Output is correct |
22 |
Correct |
38 ms |
2732 KB |
Output is correct |
23 |
Correct |
17 ms |
2004 KB |
Output is correct |
24 |
Correct |
56 ms |
3288 KB |
Output is correct |
25 |
Correct |
57 ms |
3372 KB |
Output is correct |
26 |
Correct |
70 ms |
3452 KB |
Output is correct |
27 |
Correct |
67 ms |
3532 KB |
Output is correct |
28 |
Correct |
64 ms |
3516 KB |
Output is correct |
29 |
Correct |
67 ms |
3560 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
76 ms |
3456 KB |
Output is correct |
32 |
Correct |
68 ms |
3548 KB |
Output is correct |
33 |
Correct |
74 ms |
3440 KB |
Output is correct |
34 |
Correct |
62 ms |
3468 KB |
Output is correct |
35 |
Correct |
72 ms |
3464 KB |
Output is correct |
36 |
Correct |
69 ms |
3452 KB |
Output is correct |
37 |
Correct |
255 ms |
6800 KB |
Output is correct |
38 |
Correct |
251 ms |
6760 KB |
Output is correct |
39 |
Correct |
384 ms |
8144 KB |
Output is correct |
40 |
Correct |
465 ms |
8984 KB |
Output is correct |
41 |
Correct |
454 ms |
8728 KB |
Output is correct |
42 |
Correct |
381 ms |
8348 KB |
Output is correct |
43 |
Correct |
398 ms |
8272 KB |
Output is correct |
44 |
Correct |
377 ms |
8588 KB |
Output is correct |
45 |
Correct |
384 ms |
8596 KB |
Output is correct |
46 |
Correct |
0 ms |
340 KB |
Output is correct |
47 |
Correct |
391 ms |
8420 KB |
Output is correct |
48 |
Correct |
430 ms |
8516 KB |
Output is correct |
49 |
Correct |
402 ms |
8328 KB |
Output is correct |
50 |
Correct |
394 ms |
8392 KB |
Output is correct |
51 |
Correct |
1 ms |
340 KB |
Output is correct |
52 |
Correct |
451 ms |
9192 KB |
Output is correct |
53 |
Correct |
567 ms |
10060 KB |
Output is correct |
54 |
Correct |
797 ms |
11796 KB |
Output is correct |
55 |
Correct |
750 ms |
11952 KB |
Output is correct |
56 |
Correct |
571 ms |
10412 KB |
Output is correct |
57 |
Correct |
759 ms |
12008 KB |
Output is correct |
58 |
Correct |
779 ms |
11752 KB |
Output is correct |
59 |
Correct |
744 ms |
11820 KB |
Output is correct |
60 |
Correct |
1 ms |
340 KB |
Output is correct |
61 |
Correct |
748 ms |
11856 KB |
Output is correct |
62 |
Correct |
653 ms |
10872 KB |
Output is correct |
63 |
Correct |
661 ms |
11036 KB |
Output is correct |
64 |
Correct |
613 ms |
10892 KB |
Output is correct |
65 |
Correct |
610 ms |
10180 KB |
Output is correct |
66 |
Correct |
598 ms |
10060 KB |
Output is correct |
67 |
Execution timed out |
1020 ms |
13388 KB |
Time limit exceeded |
68 |
Halted |
0 ms |
0 KB |
- |