# Calculate the Sum of Natural Numbers | C programming

## Calculate the Sum of Natural Numbers

### Problem :

Read an integer value, which is a Natural number. Find the sum of every numbers up to N.

#### Input

The input file contains an integer

**N**.#### Output

Print the sum of the numbers up to N.### Solution

In C language:

#include<stdio.h>

int main()

{

int N,i,sum;

scanf("%d",&N);

sum = 0;

for(i=1;i<=N;i++){

sum = sum + i;

}

printf("%d\n",sum);

return 0;

}

int main()

{

int N,i,sum;

scanf("%d",&N);

sum = 0;

for(i=1;i<=N;i++){

sum = sum + i;

}

printf("%d\n",sum);

return 0;

}

### Discussion:

If you don't understand anything, ask in comment box.

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