#include <bits/stdc++.h>
using namespace std;
#define ll int64_t
#define ar array
#define dbg(x) cerr << #x << ": " << x << "\n";
const int mxN=503;
ll n, a[mxN], dp[mxN*mxN][2], brM[mxN*mxN];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n;
ll sum=0;
for(ll i=1; i<=n; ++i) {
cin >> a[i];
sum+=a[i];
}
dp[0][0]=1;
for(ll i=1; i<=n; ++i) {
for(ll s=mxN*mxN-1; s>=a[i]; --s) {
dp[s][0]+=dp[s-a[i]][0];
}
}
if(sum%2==1) {
cout << 0 << "\n";
return 0;
}
if(dp[sum/2][0]==0) {
cout << 0 << "\n";
return 0;
}
for(ll i=1; i<=n; ++i) {
for(ll s=0; s<mxN*mxN; ++s) {
dp[s][1]=dp[s][0];
}
for(ll s=0; s<mxN*mxN-a[i]; ++s) {
dp[s+a[i]][1]-=dp[s][1];
}
for(ll s=0; s<mxN*mxN; ++s) {
ll get=s+sum-a[i];
if((get%2==0)&&(get/2>=s)&&(dp[get/2-s][1]>0)) {
++brM[s];
}
}
}
vector<ll> ans;
for(ll s=0; s<mxN*mxN; ++s) {
if(brM[s]==n) ans.push_back(s);
}
cout << ans.size() << "\n";
for(ll x:ans) cout << x << " ";
cout << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
5976 KB |
Output is correct |
2 |
Correct |
9 ms |
6108 KB |
Output is correct |
3 |
Correct |
4 ms |
5976 KB |
Output is correct |
4 |
Correct |
7 ms |
5980 KB |
Output is correct |
5 |
Correct |
9 ms |
6232 KB |
Output is correct |
6 |
Correct |
10 ms |
5980 KB |
Output is correct |
7 |
Correct |
6 ms |
5980 KB |
Output is correct |
8 |
Correct |
11 ms |
4384 KB |
Output is correct |
9 |
Correct |
12 ms |
4188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
5976 KB |
Output is correct |
2 |
Correct |
9 ms |
6108 KB |
Output is correct |
3 |
Correct |
4 ms |
5976 KB |
Output is correct |
4 |
Correct |
7 ms |
5980 KB |
Output is correct |
5 |
Correct |
9 ms |
6232 KB |
Output is correct |
6 |
Correct |
10 ms |
5980 KB |
Output is correct |
7 |
Correct |
6 ms |
5980 KB |
Output is correct |
8 |
Correct |
11 ms |
4384 KB |
Output is correct |
9 |
Correct |
12 ms |
4188 KB |
Output is correct |
10 |
Correct |
21 ms |
4184 KB |
Output is correct |
11 |
Correct |
20 ms |
4416 KB |
Output is correct |
12 |
Correct |
21 ms |
4188 KB |
Output is correct |
13 |
Correct |
24 ms |
4432 KB |
Output is correct |
14 |
Correct |
20 ms |
4188 KB |
Output is correct |
15 |
Correct |
28 ms |
4188 KB |
Output is correct |
16 |
Correct |
27 ms |
4188 KB |
Output is correct |
17 |
Correct |
14 ms |
4184 KB |
Output is correct |
18 |
Correct |
21 ms |
4184 KB |
Output is correct |
19 |
Correct |
26 ms |
4408 KB |
Output is correct |
20 |
Correct |
27 ms |
4188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
5976 KB |
Output is correct |
2 |
Correct |
9 ms |
6108 KB |
Output is correct |
3 |
Correct |
4 ms |
5976 KB |
Output is correct |
4 |
Correct |
7 ms |
5980 KB |
Output is correct |
5 |
Correct |
9 ms |
6232 KB |
Output is correct |
6 |
Correct |
10 ms |
5980 KB |
Output is correct |
7 |
Correct |
6 ms |
5980 KB |
Output is correct |
8 |
Correct |
11 ms |
4384 KB |
Output is correct |
9 |
Correct |
12 ms |
4188 KB |
Output is correct |
10 |
Correct |
21 ms |
4184 KB |
Output is correct |
11 |
Correct |
20 ms |
4416 KB |
Output is correct |
12 |
Correct |
21 ms |
4188 KB |
Output is correct |
13 |
Correct |
24 ms |
4432 KB |
Output is correct |
14 |
Correct |
20 ms |
4188 KB |
Output is correct |
15 |
Correct |
28 ms |
4188 KB |
Output is correct |
16 |
Correct |
27 ms |
4188 KB |
Output is correct |
17 |
Correct |
14 ms |
4184 KB |
Output is correct |
18 |
Correct |
21 ms |
4184 KB |
Output is correct |
19 |
Correct |
26 ms |
4408 KB |
Output is correct |
20 |
Correct |
27 ms |
4188 KB |
Output is correct |
21 |
Correct |
50 ms |
4432 KB |
Output is correct |
22 |
Incorrect |
44 ms |
4444 KB |
Output isn't correct |
23 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
5976 KB |
Output is correct |
2 |
Correct |
9 ms |
6108 KB |
Output is correct |
3 |
Correct |
4 ms |
5976 KB |
Output is correct |
4 |
Correct |
7 ms |
5980 KB |
Output is correct |
5 |
Correct |
9 ms |
6232 KB |
Output is correct |
6 |
Correct |
10 ms |
5980 KB |
Output is correct |
7 |
Correct |
6 ms |
5980 KB |
Output is correct |
8 |
Correct |
11 ms |
4384 KB |
Output is correct |
9 |
Correct |
12 ms |
4188 KB |
Output is correct |
10 |
Correct |
21 ms |
4184 KB |
Output is correct |
11 |
Correct |
20 ms |
4416 KB |
Output is correct |
12 |
Correct |
21 ms |
4188 KB |
Output is correct |
13 |
Correct |
24 ms |
4432 KB |
Output is correct |
14 |
Correct |
20 ms |
4188 KB |
Output is correct |
15 |
Correct |
28 ms |
4188 KB |
Output is correct |
16 |
Correct |
27 ms |
4188 KB |
Output is correct |
17 |
Correct |
14 ms |
4184 KB |
Output is correct |
18 |
Correct |
21 ms |
4184 KB |
Output is correct |
19 |
Correct |
26 ms |
4408 KB |
Output is correct |
20 |
Correct |
27 ms |
4188 KB |
Output is correct |
21 |
Correct |
50 ms |
4432 KB |
Output is correct |
22 |
Incorrect |
44 ms |
4444 KB |
Output isn't correct |
23 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
5976 KB |
Output is correct |
2 |
Correct |
9 ms |
6108 KB |
Output is correct |
3 |
Correct |
4 ms |
5976 KB |
Output is correct |
4 |
Correct |
7 ms |
5980 KB |
Output is correct |
5 |
Correct |
9 ms |
6232 KB |
Output is correct |
6 |
Correct |
10 ms |
5980 KB |
Output is correct |
7 |
Correct |
6 ms |
5980 KB |
Output is correct |
8 |
Correct |
11 ms |
4384 KB |
Output is correct |
9 |
Correct |
12 ms |
4188 KB |
Output is correct |
10 |
Correct |
21 ms |
4184 KB |
Output is correct |
11 |
Correct |
20 ms |
4416 KB |
Output is correct |
12 |
Correct |
21 ms |
4188 KB |
Output is correct |
13 |
Correct |
24 ms |
4432 KB |
Output is correct |
14 |
Correct |
20 ms |
4188 KB |
Output is correct |
15 |
Correct |
28 ms |
4188 KB |
Output is correct |
16 |
Correct |
27 ms |
4188 KB |
Output is correct |
17 |
Correct |
14 ms |
4184 KB |
Output is correct |
18 |
Correct |
21 ms |
4184 KB |
Output is correct |
19 |
Correct |
26 ms |
4408 KB |
Output is correct |
20 |
Correct |
27 ms |
4188 KB |
Output is correct |
21 |
Correct |
50 ms |
4432 KB |
Output is correct |
22 |
Incorrect |
44 ms |
4444 KB |
Output isn't correct |
23 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
5976 KB |
Output is correct |
2 |
Correct |
9 ms |
6108 KB |
Output is correct |
3 |
Correct |
4 ms |
5976 KB |
Output is correct |
4 |
Correct |
7 ms |
5980 KB |
Output is correct |
5 |
Correct |
9 ms |
6232 KB |
Output is correct |
6 |
Correct |
10 ms |
5980 KB |
Output is correct |
7 |
Correct |
6 ms |
5980 KB |
Output is correct |
8 |
Correct |
11 ms |
4384 KB |
Output is correct |
9 |
Correct |
12 ms |
4188 KB |
Output is correct |
10 |
Correct |
21 ms |
4184 KB |
Output is correct |
11 |
Correct |
20 ms |
4416 KB |
Output is correct |
12 |
Correct |
21 ms |
4188 KB |
Output is correct |
13 |
Correct |
24 ms |
4432 KB |
Output is correct |
14 |
Correct |
20 ms |
4188 KB |
Output is correct |
15 |
Correct |
28 ms |
4188 KB |
Output is correct |
16 |
Correct |
27 ms |
4188 KB |
Output is correct |
17 |
Correct |
14 ms |
4184 KB |
Output is correct |
18 |
Correct |
21 ms |
4184 KB |
Output is correct |
19 |
Correct |
26 ms |
4408 KB |
Output is correct |
20 |
Correct |
27 ms |
4188 KB |
Output is correct |
21 |
Correct |
50 ms |
4432 KB |
Output is correct |
22 |
Incorrect |
44 ms |
4444 KB |
Output isn't correct |
23 |
Halted |
0 ms |
0 KB |
- |