C Program to Find Sum of All Even Numbers Between 1 to N using For Loop

Write a C program to find sum of all even numbers between 1 to N using for loop.
Wap in C to print sum of all even numbers between 1 to 100 using for loop.

Required Knowledge

C printf and scanf functions
For loop in C

C program to find sum of all even numbers between 1 to N using for loop

#include <stdio.h>  
   
int main() {  
    int counter, N, sum = 0;  
    /* 
     * Take a positive number as input form user 
     */
    printf("Enter a Positive Number\n");
 scanf("%d", &N);
   
    for(counter = 1; counter <= N; counter++) {  
        /* Even numbers are divisible by 2 */ 
        if(counter%2 == 0) { 
            /* counter is even, add it to sum */
            sum = sum + counter;  
        }  
    }
    printf("Sum of all Even numbers between 1 to %d is %d", N, sum);
 
    return 0;  
}

Output

Enter a Positive Number
9
Sum of all Even numbers between 1 to 9 is 20

C program to find sum of all even numbers between 1 to N using for loop

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