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Learn C Fundamentals

Exercises on Control Flow

Explore fundamental control flow techniques in C by solving practical exercises like FizzBuzz, Newton’s method for square roots, and triangle display. Learn to use loops, conditionals, and switch statements to control program logic and enhance your coding fluency.

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The solutions for the exercises are included in the solution tabs. For best learning outcomes, don’t look at these unless you’ve attempted the problems yourself.

Question 1: FizzBuzz

Write a program that prints the numbers from 1 to 100 with the following exceptions:

  • For multiples of 3, print ‘Fizz’ instead of the number.
  • For multiples of 5, print ‘Buzz’ instead of the number.
  • For numbers that are multiples of both 3 and 5, print ‘FizzBuzz’ instead.

Try solving here:

C
#include <stdio.h>
 
int main(void)
{
  // Your code goes here 
  
  return 0;
}

Question 2: Newton’s method

Write a program to estimate the square root of 612 using Newton’s method, using five iterations.

Try solving here:

C
#include <stdio.h>
int main(void) {
  // Your code goes here
  return 0;
}

Question 3:

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