#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sz(x) x.size()
#define pb push_back
#define F first
#define S second
#define nl '\n'
const int N = 1001;
int ans[N], a[N], p[N];
void solve()
{
int n;
cin >>n;
int a[n + 1], p[n + 1];
for( int i = 1; i <= n; ++i )
{
cin >>a[i];
p[i] = p[i - 1] + a[i];
}
for( int i = 1; i <= n; ++i )
{
set< int >st;
st.insert( 0 );
for( int j = i; j <= n; ++j )
{
vector< int >s;
for( auto x: st )
s.pb( x );
for( int x: s )
st.insert(x + a[j]);
int sum = p[j] - p[i - 1];
if( sum & 1 )
continue;
if( st.count(sum / 2) )
ans[j - i + 1]++;
}
}
vector< int >v;
for( int i = 1; i <= n; ++i )
{
if( ans[i] == n - i + 1 )
v.pb( i );
ans[i] = 0;
}
cout <<sz(v) <<' ';
for( int i: v )
cout <<i <<' ';
cout <<nl;
}
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
int T = 1;
cin >>T;
while( T-- )
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
92 ms |
664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1826 ms |
992 KB |
Output is correct |
2 |
Execution timed out |
2047 ms |
1356 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2051 ms |
2216 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |