C program to Check Whether a Number is Positive or Negative or Zero
Given a number A. The task is to check whether A is positive, negative or zero. Examples:
Input: A = 2 Output: 2 is positive Input: A = -554 Output: -554 is negative
In the below program, to find whether A is positive, negative or zero; first the number is taken as input from the user using scanf in , and then A is checked for positive using statement and " title="Rendered by QuickLaTeX.com" height="17" width="17" style="vertical-align: -2px;">, and operators. Below is the C program to find whether a number is positive, negative or zero.
C
#include <stdio.h> int main() { int A; printf ( "Enter the number A: " ); scanf ( "%d" , &A); if (A > 0) printf ( "%d is positive." , A); else if (A < 0) printf ( "%d is negative." , A); else if (A == 0) printf ( "%d is zero." , A); return 0; } |
Output:
Enter the number A =: -54 -54 is negative.
Time Complexity: O(1)
Auxiliary Space: O(1)