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

1 Answer

+1 vote
by (30.5k points)
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Best 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);

}

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