C Program to Find Largest of Two Numbers

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;  
}

In this Program to Find the Largest of Two Numbers in C example, the execution of Else If Statement is

1. First, if condition checks whether a is greater than b. If this condition is True, then a is greater than b.
2. The first Else if condition checks 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

Please Enter Two different values
20
10
20 is Largest

Lets enter the values a = 50, and b = 50

Please Enter Two different values
50
50
Both are Equal

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");
    }
    else { 
        largest = (a > b) ? a : b;
        printf("%d is Largest\n", largest);
    }
    return 0;  
}

Within this C Program to Find the Largest of Two Numbers example,

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 C Programming 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 the 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: For this c largest of two numbers demo, Let’s enter the values a = 15, and b = 25

Please Enter Two Different Values
15
25
25 is Largest

Lets enter the values a = 35, and b = 12

Please Enter Two Different Values
32
12
32 is Largest

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

Please Enter Two Different Values
25
25
Both are Equal

C Program to Find Largest of Two Numbers using Switch Case

This program helps the user to enter two different values. And then, this c program find the largest of 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 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;  
}

Within this C Program to Find Largest of Two Numbers example, 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. Next, we are using the Switch Case to check for the largest.

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

Please Enter Two Values
25
56
56 is Largest

Lets enter the values a = 13, and b = 5

Please Enter Two Values
13
5
13 is Largest