Search⌘ K
AI Features
Home
Courses
C Brain Teasers: Exercise Your Mind

What is Nothing?

Explore the concept of nothing through a C programming puzzle that challenges you to analyze code and predict its output. This lesson helps improve your logical thinking and deepens your comprehension of C programming nuances.

We'll cover the following...

Puzzle code

Read carefully the code given below:

C
#include <stdio.h>
int main()
{
  float n, p;
  n = -0.0;
  p = +0.0;
  if( n==p )
    printf("negative zero is equal to positive zero\n");
  else
    printf("negative zero is not equal to positive zero\n");
    
  return(0);
}

Your task: Guess the output

Attempt the following test to assess your understanding.

Technical Quiz
1.

What is the expected output of the above code?

A.

negative zero is equal to positive zero

B.

The program will result in a compile-time error

C.

The program will result in a runtime error

D.

negative zero is not equal to positive zero

1 / 1

Let's discuss the code and output together in the next lesson.