C program to find maximum between three numbers using conditional operator

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C program to find maximum between three numbers using conditional operator

Write a C program to input three numbers from user and find maximum between three numbers using conditional/ternary operator ?:. How to find maximum between three numbers using conditional operator.

Required knowledge

Operators, Data Types in c, Variables in C

Program to find maximum between three numbers

 
/**
 * C program to find maximum between three numbers using conditional operator
 */

#include <stdio.h>

int main()
{
    int num1, num2, num3, max;

    /*
     * Input three numbers from user
     */
    printf("Enter first number: ");
    scanf("%d", &num1);
    printf("Enter second number: ");
    scanf("%d", &num2);
    printf("Enter third number: ");
    scanf("%d", &num3);
    /* 
     * usin if...else and if...else...if statement
     * If num1 > num2 and num1 > num3 then
     *     assign num1 to max
     * else if num2 > num3 then
     *     assign num2 to max
     * else
     *     assign num3 to max
     */
    max = (num1 > num2 && num1 > num3) ? num1 :
          (num2 > num3) ? num2 : num3;

    printf("\nMaximum between %d, %d and %d = %d", num1, num2, num3, max);

    return 0;
}

Important note: In the above conditional operator I have used proper separators (spaces and new lines) to add readability to code. Practice a good habit to add more and more separators in your code to make it clear.

Output:

Enter first number: 10
Enter second number: 20
Enter third number: 30

Maximum between 10, 20 and 30 = 30

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