DZone: Tutorial to find the Biggest of 3 Numbers in C Program

C Program to find the largest number

In this C program, you need to enter the three integer numbers to find the largest one among them. For instance, in the C program you need to enter three numbers i.e. num1, num2 & num3 as input and it would compare the numbers and display the largest number as output.

How to find the largest number via C program

Solution to find the greatest of three numbers in C language

Enter three numbers as input.
Check the first number with the other two numbers whether it is greater or not.
Repeat previous step.
Print the greatest number among all and exit.

						
/*C program to find greatest of three numbers using function*/

#include 

/*function to get largest among three numbers*/

int largestNumber(int a,int b, int c)
{
	int largest=0;
	if(a>b && a>c)
		largest=a;
	else if(b>a && b>c)
		largest=b;
	else
		largest=c;
	return largest;
}

int main()
{
	int a,b,c;
	
	printf("Enter three numbers: ");
	scanf("%d%d%d",&a,&b,&c);
	printf("Largest number is: %d\n",largestNumber(a,b,c));
	
	return 0;
}

Output

						
  Enter three numbers: 100 158 94
    Largest number is: 158

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C Program to find the largest number

Solution to find the greatest of three numbers in C language

Output

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