Answer to Question #320545 in C for Pratik

Question

Write a loop that will calculate the sum of every third integer beginning with i = 2 (i-e. calculate the sum of 2+5+8+11+) for all values of i that are less than 100, Write the loop in

two ways:

(1) Using a do---- while statement.

() Using a for statement.

Answer 1

#include <stdio.h>

int main()
{
    int i, sum;
    printf("\nUsing a do---- while statement:\n");
    sum = 0;
    i = 2;
    do{
        sum += i;
        i = i + 3;    
    } while (i<100);
    printf("Sum = %d\n", sum);
    printf("\nUsing a for statement:\n");
    sum = 0;
    for (i=2; i<100; i=i+3)
    {
        sum += i;    
    }
    printf("Sum = %d", sum);
}