Logical Operators in C

In this article, I would like to share with you a sample program to demonstrate how to use logical operators in the C programming language. Logical operators are very important in making conditions in any C programs.

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Sample Program Output

Program Listing

logical_operators.c

/* logical.c

   Author   : Jake Rodriguez Pomperada,BSCS,MAED-IT

   Date     : November 19, 2018  Monday 2:18 PM

   Location : Bacolod City, Negros Occidental

   Website  : http://www.jakerpomperada.com

   Emails   : jakerpomperada@jakerpomperada.com

              jakerpomperada@gmail.com

              jakerpomperada@yahoo.com

              jakerpomperada@aol.com

*/

#include <stdio.h>

int main()

{

    int a=10, b=4, c=10, d=20;

    // logical AND example

    printf("\n\n");

    printf("\tLogical Operators Demonstration");

    printf("\n\n");

     if (a>b && c==d) {

      printf("\n");

      printf("\tA is greater than B AND C is equal to D.\n");

    }

    else {

    printf("\n");

    printf("\tAND condition not satisfied.\n");

   }

     // logical OR example

    if (a>b || c==d) {

    printf("\n");

    printf("\tA is greater than B OR C is equal to D.\n");

       }

    else 

    {

     printf("\n");

     printf("\tNeither A is greater than B nor C is equal to D.\n");

    }

    // logical NOT example

    if (!a) {

    printf("\n");

        printf("\tA is zero.\n");

    }

    else {

    printf("\n");

    printf("\tA is not zero.");

 }

printf("\n\n");

    printf("\tEnd of Program");

    printf("\n\n");

}