#include<bits/stdc++.h>
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
#define el '\n'
#define fi first
#define sc second
#define pii pair<int, int>
#define all(v) v.begin(), v.end()
using namespace std;
using ll=long long;
using ull=unsigned long long;
using ld=long double;
const int mod=1e9+7;
const int N=511;
int n, a[N], sum;
bitset<N*N> bs, cur, s1, s2;
void sol()
{
cin >> n;
for(int i=1;i<=n;i++) cin >> a[i];
bs&=0;
bs[0]=1;
for(int i=1;i<=n;i++)
{
bs|=bs<<(a[i]);
sum+=a[i];
}
if(sum&1 || bs[sum/2]==0)
{
cout << 0 << el;
return;
}
int ch1=1, ch2=1;
s1.set();
s2.set();
s2[0]=0;
for(int i=1;i<=n;i++)
{
cur&=0;
cur[0]=1;
for(int j=1;j<=n;j++) if(j!=i) cur|=(cur<<(a[j]));
int ss=sum-a[i];
if(ss%2==0)
{
s2&=(cur>>(ss/2));
if(ch1)
{
s1&=0;
ch1=0;
}
}
else
{
s1&=(cur>>(ss/2+1));
if(ch2)
{
s2&=0;
ch2=0;
}
}
}
cout << s1.count()+s2.count() << el;
for(int i=0;i<N*N;i++)
{
if(s2[i]) cout << i*2 << el;
if(s1[i]) cout << i*2+1 << el;
}
}
signed main()
{
// freopen("divisor.INP", "r", stdin);
// freopen("divisor.OUT", "w", stdout);
ios_base::sync_with_stdio(0);
cin.tie(0);
int t=1;
//cin >> t;
while(t--)
{
sol();
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
4 ms |
604 KB |
Output is correct |
11 |
Correct |
4 ms |
604 KB |
Output is correct |
12 |
Correct |
4 ms |
604 KB |
Output is correct |
13 |
Correct |
3 ms |
644 KB |
Output is correct |
14 |
Correct |
4 ms |
600 KB |
Output is correct |
15 |
Correct |
3 ms |
608 KB |
Output is correct |
16 |
Correct |
4 ms |
604 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
600 KB |
Output is correct |
19 |
Correct |
3 ms |
480 KB |
Output is correct |
20 |
Correct |
4 ms |
644 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
4 ms |
604 KB |
Output is correct |
11 |
Correct |
4 ms |
604 KB |
Output is correct |
12 |
Correct |
4 ms |
604 KB |
Output is correct |
13 |
Correct |
3 ms |
644 KB |
Output is correct |
14 |
Correct |
4 ms |
600 KB |
Output is correct |
15 |
Correct |
3 ms |
608 KB |
Output is correct |
16 |
Correct |
4 ms |
604 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
600 KB |
Output is correct |
19 |
Correct |
3 ms |
480 KB |
Output is correct |
20 |
Correct |
4 ms |
644 KB |
Output is correct |
21 |
Correct |
16 ms |
604 KB |
Output is correct |
22 |
Correct |
21 ms |
604 KB |
Output is correct |
23 |
Correct |
11 ms |
600 KB |
Output is correct |
24 |
Correct |
34 ms |
604 KB |
Output is correct |
25 |
Correct |
34 ms |
632 KB |
Output is correct |
26 |
Correct |
39 ms |
640 KB |
Output is correct |
27 |
Correct |
38 ms |
616 KB |
Output is correct |
28 |
Correct |
38 ms |
604 KB |
Output is correct |
29 |
Correct |
37 ms |
604 KB |
Output is correct |
30 |
Correct |
37 ms |
604 KB |
Output is correct |
31 |
Correct |
38 ms |
636 KB |
Output is correct |
32 |
Correct |
42 ms |
600 KB |
Output is correct |
33 |
Correct |
38 ms |
616 KB |
Output is correct |
34 |
Correct |
44 ms |
604 KB |
Output is correct |
35 |
Correct |
38 ms |
600 KB |
Output is correct |
36 |
Correct |
38 ms |
636 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
4 ms |
604 KB |
Output is correct |
11 |
Correct |
4 ms |
604 KB |
Output is correct |
12 |
Correct |
4 ms |
604 KB |
Output is correct |
13 |
Correct |
3 ms |
644 KB |
Output is correct |
14 |
Correct |
4 ms |
600 KB |
Output is correct |
15 |
Correct |
3 ms |
608 KB |
Output is correct |
16 |
Correct |
4 ms |
604 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
600 KB |
Output is correct |
19 |
Correct |
3 ms |
480 KB |
Output is correct |
20 |
Correct |
4 ms |
644 KB |
Output is correct |
21 |
Correct |
16 ms |
604 KB |
Output is correct |
22 |
Correct |
21 ms |
604 KB |
Output is correct |
23 |
Correct |
11 ms |
600 KB |
Output is correct |
24 |
Correct |
34 ms |
604 KB |
Output is correct |
25 |
Correct |
34 ms |
632 KB |
Output is correct |
26 |
Correct |
39 ms |
640 KB |
Output is correct |
27 |
Correct |
38 ms |
616 KB |
Output is correct |
28 |
Correct |
38 ms |
604 KB |
Output is correct |
29 |
Correct |
37 ms |
604 KB |
Output is correct |
30 |
Correct |
37 ms |
604 KB |
Output is correct |
31 |
Correct |
38 ms |
636 KB |
Output is correct |
32 |
Correct |
42 ms |
600 KB |
Output is correct |
33 |
Correct |
38 ms |
616 KB |
Output is correct |
34 |
Correct |
44 ms |
604 KB |
Output is correct |
35 |
Correct |
38 ms |
600 KB |
Output is correct |
36 |
Correct |
38 ms |
636 KB |
Output is correct |
37 |
Correct |
151 ms |
632 KB |
Output is correct |
38 |
Correct |
148 ms |
600 KB |
Output is correct |
39 |
Correct |
223 ms |
624 KB |
Output is correct |
40 |
Correct |
267 ms |
628 KB |
Output is correct |
41 |
Correct |
266 ms |
636 KB |
Output is correct |
42 |
Correct |
227 ms |
604 KB |
Output is correct |
43 |
Correct |
241 ms |
604 KB |
Output is correct |
44 |
Correct |
239 ms |
620 KB |
Output is correct |
45 |
Correct |
228 ms |
604 KB |
Output is correct |
46 |
Correct |
291 ms |
604 KB |
Output is correct |
47 |
Correct |
251 ms |
604 KB |
Output is correct |
48 |
Correct |
232 ms |
600 KB |
Output is correct |
49 |
Correct |
231 ms |
604 KB |
Output is correct |
50 |
Correct |
231 ms |
628 KB |
Output is correct |
51 |
Correct |
2 ms |
348 KB |
Output is correct |
52 |
Correct |
265 ms |
632 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
4 ms |
604 KB |
Output is correct |
11 |
Correct |
4 ms |
604 KB |
Output is correct |
12 |
Correct |
4 ms |
604 KB |
Output is correct |
13 |
Correct |
3 ms |
644 KB |
Output is correct |
14 |
Correct |
4 ms |
600 KB |
Output is correct |
15 |
Correct |
3 ms |
608 KB |
Output is correct |
16 |
Correct |
4 ms |
604 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
600 KB |
Output is correct |
19 |
Correct |
3 ms |
480 KB |
Output is correct |
20 |
Correct |
4 ms |
644 KB |
Output is correct |
21 |
Correct |
16 ms |
604 KB |
Output is correct |
22 |
Correct |
21 ms |
604 KB |
Output is correct |
23 |
Correct |
11 ms |
600 KB |
Output is correct |
24 |
Correct |
34 ms |
604 KB |
Output is correct |
25 |
Correct |
34 ms |
632 KB |
Output is correct |
26 |
Correct |
39 ms |
640 KB |
Output is correct |
27 |
Correct |
38 ms |
616 KB |
Output is correct |
28 |
Correct |
38 ms |
604 KB |
Output is correct |
29 |
Correct |
37 ms |
604 KB |
Output is correct |
30 |
Correct |
37 ms |
604 KB |
Output is correct |
31 |
Correct |
38 ms |
636 KB |
Output is correct |
32 |
Correct |
42 ms |
600 KB |
Output is correct |
33 |
Correct |
38 ms |
616 KB |
Output is correct |
34 |
Correct |
44 ms |
604 KB |
Output is correct |
35 |
Correct |
38 ms |
600 KB |
Output is correct |
36 |
Correct |
38 ms |
636 KB |
Output is correct |
37 |
Correct |
151 ms |
632 KB |
Output is correct |
38 |
Correct |
148 ms |
600 KB |
Output is correct |
39 |
Correct |
223 ms |
624 KB |
Output is correct |
40 |
Correct |
267 ms |
628 KB |
Output is correct |
41 |
Correct |
266 ms |
636 KB |
Output is correct |
42 |
Correct |
227 ms |
604 KB |
Output is correct |
43 |
Correct |
241 ms |
604 KB |
Output is correct |
44 |
Correct |
239 ms |
620 KB |
Output is correct |
45 |
Correct |
228 ms |
604 KB |
Output is correct |
46 |
Correct |
291 ms |
604 KB |
Output is correct |
47 |
Correct |
251 ms |
604 KB |
Output is correct |
48 |
Correct |
232 ms |
600 KB |
Output is correct |
49 |
Correct |
231 ms |
604 KB |
Output is correct |
50 |
Correct |
231 ms |
628 KB |
Output is correct |
51 |
Correct |
2 ms |
348 KB |
Output is correct |
52 |
Correct |
265 ms |
632 KB |
Output is correct |
53 |
Correct |
336 ms |
856 KB |
Output is correct |
54 |
Correct |
448 ms |
616 KB |
Output is correct |
55 |
Correct |
453 ms |
848 KB |
Output is correct |
56 |
Correct |
348 ms |
632 KB |
Output is correct |
57 |
Correct |
448 ms |
884 KB |
Output is correct |
58 |
Correct |
454 ms |
636 KB |
Output is correct |
59 |
Correct |
452 ms |
616 KB |
Output is correct |
60 |
Correct |
1 ms |
348 KB |
Output is correct |
61 |
Correct |
451 ms |
624 KB |
Output is correct |
62 |
Correct |
399 ms |
872 KB |
Output is correct |
63 |
Correct |
376 ms |
848 KB |
Output is correct |
64 |
Correct |
370 ms |
892 KB |
Output is correct |
65 |
Correct |
365 ms |
604 KB |
Output is correct |
66 |
Correct |
354 ms |
616 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
4 ms |
604 KB |
Output is correct |
11 |
Correct |
4 ms |
604 KB |
Output is correct |
12 |
Correct |
4 ms |
604 KB |
Output is correct |
13 |
Correct |
3 ms |
644 KB |
Output is correct |
14 |
Correct |
4 ms |
600 KB |
Output is correct |
15 |
Correct |
3 ms |
608 KB |
Output is correct |
16 |
Correct |
4 ms |
604 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
600 KB |
Output is correct |
19 |
Correct |
3 ms |
480 KB |
Output is correct |
20 |
Correct |
4 ms |
644 KB |
Output is correct |
21 |
Correct |
16 ms |
604 KB |
Output is correct |
22 |
Correct |
21 ms |
604 KB |
Output is correct |
23 |
Correct |
11 ms |
600 KB |
Output is correct |
24 |
Correct |
34 ms |
604 KB |
Output is correct |
25 |
Correct |
34 ms |
632 KB |
Output is correct |
26 |
Correct |
39 ms |
640 KB |
Output is correct |
27 |
Correct |
38 ms |
616 KB |
Output is correct |
28 |
Correct |
38 ms |
604 KB |
Output is correct |
29 |
Correct |
37 ms |
604 KB |
Output is correct |
30 |
Correct |
37 ms |
604 KB |
Output is correct |
31 |
Correct |
38 ms |
636 KB |
Output is correct |
32 |
Correct |
42 ms |
600 KB |
Output is correct |
33 |
Correct |
38 ms |
616 KB |
Output is correct |
34 |
Correct |
44 ms |
604 KB |
Output is correct |
35 |
Correct |
38 ms |
600 KB |
Output is correct |
36 |
Correct |
38 ms |
636 KB |
Output is correct |
37 |
Correct |
151 ms |
632 KB |
Output is correct |
38 |
Correct |
148 ms |
600 KB |
Output is correct |
39 |
Correct |
223 ms |
624 KB |
Output is correct |
40 |
Correct |
267 ms |
628 KB |
Output is correct |
41 |
Correct |
266 ms |
636 KB |
Output is correct |
42 |
Correct |
227 ms |
604 KB |
Output is correct |
43 |
Correct |
241 ms |
604 KB |
Output is correct |
44 |
Correct |
239 ms |
620 KB |
Output is correct |
45 |
Correct |
228 ms |
604 KB |
Output is correct |
46 |
Correct |
291 ms |
604 KB |
Output is correct |
47 |
Correct |
251 ms |
604 KB |
Output is correct |
48 |
Correct |
232 ms |
600 KB |
Output is correct |
49 |
Correct |
231 ms |
604 KB |
Output is correct |
50 |
Correct |
231 ms |
628 KB |
Output is correct |
51 |
Correct |
2 ms |
348 KB |
Output is correct |
52 |
Correct |
265 ms |
632 KB |
Output is correct |
53 |
Correct |
336 ms |
856 KB |
Output is correct |
54 |
Correct |
448 ms |
616 KB |
Output is correct |
55 |
Correct |
453 ms |
848 KB |
Output is correct |
56 |
Correct |
348 ms |
632 KB |
Output is correct |
57 |
Correct |
448 ms |
884 KB |
Output is correct |
58 |
Correct |
454 ms |
636 KB |
Output is correct |
59 |
Correct |
452 ms |
616 KB |
Output is correct |
60 |
Correct |
1 ms |
348 KB |
Output is correct |
61 |
Correct |
451 ms |
624 KB |
Output is correct |
62 |
Correct |
399 ms |
872 KB |
Output is correct |
63 |
Correct |
376 ms |
848 KB |
Output is correct |
64 |
Correct |
370 ms |
892 KB |
Output is correct |
65 |
Correct |
365 ms |
604 KB |
Output is correct |
66 |
Correct |
354 ms |
616 KB |
Output is correct |
67 |
Correct |
590 ms |
852 KB |
Output is correct |
68 |
Correct |
3 ms |
344 KB |
Output is correct |
69 |
Correct |
970 ms |
1136 KB |
Output is correct |
70 |
Correct |
940 ms |
872 KB |
Output is correct |
71 |
Correct |
937 ms |
872 KB |
Output is correct |
72 |
Correct |
912 ms |
616 KB |
Output is correct |
73 |
Correct |
910 ms |
624 KB |
Output is correct |
74 |
Correct |
910 ms |
1364 KB |
Output is correct |
75 |
Correct |
931 ms |
1108 KB |
Output is correct |
76 |
Correct |
917 ms |
1148 KB |
Output is correct |
77 |
Correct |
927 ms |
1144 KB |
Output is correct |