#include <bits/stdc++.h>
using namespace std;
#define int long long
#define nn "\n";
#define pb push_back
#define all(v) (v).begin() , (v).end()
const int N = 2e4+ 4;
int n , T , q , m ;
signed main(){
ios_base::sync_with_stdio(0) , cin.tie(0);
cin>> T;
while(T--){
cin>> n ;
int a[n+1];
set<int>st;
for(int i=1 ; i <= n; i++){
cin>> a[i];
}
map<int , int >us;
for(int i =1 ; i <= n ; i++){
for(int j = i ; j <= n; j++){
vector<int>v;
int sum =0 ;
for(int u = i ; u <= j ; u++){
v.pb(a[u]);
sum+=a[u];
}
int x = sum/2;
sort(all(v));
int ans =0 ;
for(int i= v.size() - 1 ; i >= 0 ; i--){
if(ans + v[i] <= x ){
ans+=v[i];
}
if(ans==x)break;
}
if(ans == x && sum %2 ==0){
us[v.size()]++;
}
}
}
vector<int>way;
for(int i =1 ;i <= n ; i++){
if(us[i]== n - i + 1 ){
way.pb(i);
}
}
cout << way.size()<< ' ';
for(auto it:way)cout <<it << ' ';
cout << nn
for(int i=0 ; i < N ; i++)dp[i] =0 ;
}
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:51:35: error: 'dp' was not declared in this scope
51 | for(int i=0 ; i < N ; i++)dp[i] =0 ;
| ^~
