Write a C++ program to find the sum of first ‘N’ natural numbers u

1.	Write a C++ program to find the sum of first ‘N’ natural numbers using a user defined function.
Answer» # include<iostream> using namespace std; int sum(int n) { int i,sum=0; for(i=1;i<=n;i++) sum+=i; return sum; } int main() { int n; cout<<"Enter the number of numbers to find the sum:"; cin>>n; cout<<"The sum of first "<<n<<" natural numbers is:<< sum(n); }

Write a C++ program to find the sum of first ‘N’ natural numbers using a user defined function.

Answer»

# include<iostream>

using namespace std;

int sum(int n)

{

int i,sum=0;

for(i=1;i<=n;i++)

sum+=i;

return sum;

}

int main()

{

int n;

cout<<"Enter the number of numbers to find the sum:";

cin>>n;

cout<<"The sum of first "<<n<<" natural numbers is:<< sum(n);

}