# Question & Answer: Given two integers, start and end , where end is greater than start , write a recursive C++ function that r…..

Given two integers, start and end , where end is greater than start , write a recursive C++ function that returns the sum of the integers from start through end , inclusive.

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Question & Answer: Given two integers, start and end , where end is greater than start , write a recursive C++ function that r…..
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#include<iostream>
using namespace std;
//a recursive function to sum.from start to end inclusive
int recursive_sum(int start,int end)
{
if(start == end)
return end;
return recursive_sum(start+1,end)+start;

}
int main()
{
int start,end;
//taking input from keyboard
cout<<“Enter integer (start):”;
cin>>start;
cout<<“Enter integer (end : should be greater than stop)”;
cin>>end;

int sum;//variable to store sum from start to end inclusive

//calling a recursive function to sum.from start to end inclusive

sum = recursive_sum(start,end);

cout<<“Sum is:”<<sum<<“n”;
return 0;
}

output:

Enter integer (start):1
Enter integer (end : should be greater than stop)5
Sum is:15

Process exited normally.
Press any key to continue . . .