Program not running!

#1

#include
#include<bits/stdc++.h>
using namespace std;
int main(){

int n , a[n], target;
cin>>n;

for(int i =0 ;i<n ; i++)
  cin>>a[i];

sort(a, a+n);

cin>>target;  

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

why it isn’t working?

#2

here a[n] declaring array in this way is incorrect
because before taking n you can’t use it as size of array

Modified Code

#3

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