C Program to Find Largest of Two Numbers

Though we had many approaches to find the largest number among the two numbers. In this article we will show you, How to write a C program to find largest of two numbers using Else If Statement, Conditional Operator, and Switch Case.

C Program to Find Largest of Two Numbers using Else If Statement

This C program helps the user to enter two different values, and then it will find the highest number among them using Else If Statement

/* C Program to Find Largest of Two numbers */ 
   
#include <stdio.h>  
   
int main() {  
    int a, b;  
    printf("Please Enter Two different values\n");  
    scanf("%d %d", &a, &b);  
    
    if(a > b) 
    {
        printf("%d is Largest\n", a);          
    } 
    else if (b > a)
    { 
        printf("%d is Largest\n", b);  
    } 
    else 
    {
	printf("Both are Equal\n");
    }
   
    return 0;  
}

ANALYSIS

1. First if condition check whether a is greater than b. if this condition is True then a is greater than b.
2. First Else if condition check whether b is greater than a. If this condition is True then b is greater than a.
3. If the above two conditions fail, it means they are equal.

OUTPUT 1: Lets enter the values a = 40, and b = 50

OUTPUT 2: Lets enter the values a = 20, and b = 10

OUTPUT 3: Lets enter the values a = 50, and b = 50

C Program to Find Largest of Two Numbers using Conditional Operator

This C program helps the user to enter two different values. Next, it will find the largest number among those two numbers using Conditional Operator

/* C Program to Find Largest of Two numbers */ 
   
#include <stdio.h>  
   
int main() {  
    int a, b, largest;
    printf("Please Enter Two Different Values\n");  
    scanf("%d %d", &a, &b);  
    
    if(a == b)
    {
        printf("Both are Equal\n");
    }
     
    largest = (a > b) ? a : b;
    printf("%d is Largest\n", largest);
    
    return 0;  
}

ANALYSIS

1. First, We declared three integer variables called a, b, and largest. Next, we are allowing a user to enter their own values for a, and b
2. First If condition checks whether a is equal to b or not. If this condition is True then it will return Both are Equal.
3. Next, we used the Conditional Operator to check whether a is greater than b or not. If this condition is True then it will return first value after the ? symbol, which is variable a (a is greater than b). If the first condition fails then it will return the value after the : symbol, which is variable b.

OUTPUT 1: Lets enter the values a = 15, and b = 25

OUTPUT 2: Lets enter the values a = 35, and b = 12

OUTPUT 3: Lets enter the values a = 25, and b = 25

C Program to Find Largest of Two Numbers using Switch Case

This C program helps the user to enter two different values. And then it will find the largest number among those two numbers using Switch Case

/* C Program to Find Largest of Two numbers */ 
   
#include <stdio.h>  
   
int main() {  
    int a, b, largest;
    printf("Please Enter Two Different Values\n");  
    scanf("%d %d", &a, &b);  
   
    switch(a > b) 
    {     
        case 1: printf("%d is Largest", a);  
                break;  
        case 2: printf("%d is Largest", b);  
                break;  
    }  
    return 0;  
}

ANALYSIS

1. We declared three integer variables called a, b, and largest. Next, we are allowing the user to enter their own values for a, and b
2. Next, we are using the Switch Case to check for the largest.

OUTPUT 1: Lets enter the values a = 25, and b = 56

OUTPUT 2: Lets enter the values a = 13, and b = 5

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