C Program to Find Largest of Two Numbers

Though we had many approaches to find largest number among 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

CODE

/* 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

CODE

/* 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 user to enter their own values for a, and b
2. First If condition check 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 fail 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

CODE

/* 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 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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