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Program to find sum of first n natural numbers in C++
In this tutorial, we will be discussing a program to find sum of first n natural numbers.
For this we will be provided with an integer n. Our task is to add up, find the sum of the first n natural numbers and print it out.
Example
#include<iostream>
using namespace std;
//returning sum of first n natural numbers
int findSum(int n) {
int sum = 0;
for (int x=1; x<=n; x++)
sum = sum + x;
return sum;
}
int main() {
int n = 5;
cout << findSum(n);
return 0;
}Output
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Updated on 27-May-2020 09:39:58
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