two sum in a array

#include <iostream>
using namespace std;

int main() {
    
int n;
   cout<<"enter the size of array"<<endl;
cin>>n;

int A[n];

cout<<"entr the element of array"<<endl;

for(int i = 0;i<n; i++){
    cin>>A[i];
}

int target;
cout<<"enter the target"<<endl;
cin>>target;

for(int i =0; i<n ;i++){
    
    for(int j = i+1; j<n; j++){
        
        if(A[i]+A[j] == target){
            cout<<i<<" "<<j;
            break;
        }
    }
    cout<<endl;
}

    return 0;
}