# C Program to Find the Sum of First 50 Natural Numbers using For Loop

This is a C Program to find the sum of first 50 natural numbers using for loop.

Problem Description

This C Program finds sum of first 50 natural numbers using for loop.

Problem Solution

It displays the sum of first 50 natural numbers as output.

Program/Source Code

Here is source code of the C program to find the sum of first 50 natural numbers using for loop. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

```/*
* C program to find the sum of first 50 natural numbers
* using for loop
*/
#include <stdio.h>

void main()
{
int  num, sum = 0;

for (num = 1; num <= 50; num++)
{
sum = sum + num;
}
printf("Sum = %4d\n", sum);
}```
Program Explanation

In this C program, we are reading the sum of first 50 natural numbers using for loop. By initializing the value of ‘num’ variable as 1 and checks the condition that ‘num’ variable value is less than or equal to 50. If the condition is true then we are computing the summation of the value of ‘sum’ variable with the value of ‘num’ variable. After that, we are displaying the sum of first 50 natural numbers as output.

Runtime Test Cases
```
\$ cc pgm73.c
\$ a.out
Sum = 1275```

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