In this C program, we will find sum of all even numbers between 1 to N using for loop.
Required Knowledge
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;
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("Even numbers sum between 1 to %d is %d", N, sum);
return 0;
}
Output
Enter a Positive Number 9 Even numbers sum between 1 to 9 is 20
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