C Program to Find the Largest Number Among 3 Numbers

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In this program, we have to take 3 integer inputs from the user. Then compare the numbers with each other using if-else and ternary operators.

Using If-else condition

#include <stdio.h>

void main(){
    int num1, num2, num3, largest;
    
    printf("Enter num1 : ");
    scanf("%d", &num1);
    printf("Enter num2 : ");
    scanf("%d", &num2);
    printf("Enter num3 : ");
    scanf("%d", &num3);
    
    if (num1 > num2 && num1 > num3){
        largest = num1;
    }
    else if (num2 > num3){
        largest = num2;
    }
    else{
        largest = num3;
    }
    printf("Largest number is: %d ", largest);   
}

Using Ternary Operator

#include <stdio.h>

void main(){
    int num1, num2, num3, largest;
    printf("Enter num1 : ");
    scanf("%d", &num1);
    printf("Enter num2 : ");
    scanf("%d", &num2);
    printf("Enter num3 : ");
    scanf("%d", &num3);
    
    largest = num1 > num2 && num1 > num3 ?
                      num1 :
                        num2 > num3 ?
                          num2 :
                            num3;

    printf("Largest number is: %d ", largest);   
}

Output

Enter num1 : 25
Enter num2 : 45
Enter num3 : 14
Largest number is: 45

C Program to Find the Largest Number Among 3 Numbers