Sum of n Numbers

Write a Program to find Sum of n numbers??

#include<iostream.h>
#include<conio.h>

int main()
{
  int n_limit, result_sum, loop_v;
  cout<<"Enter N Limit: ";
  cin>>n_limit;
  result_sum=0;
  for(loop_v=0;loop_v<n_limit;loop_v++);
   {
     result_sum=result_sum+loop_v;
    }
  cout<<result_sum;
  return 00;
}


Output:

Enter N Limit: 5
15