C Exercises: Determine the HCF of two numbers
C For Loop: Exercise-43 with Solution
Write a C program to find HCF (Highest Common Factor) of two numbers.
Pictorial Presentation:
Sample Solution:
C Code:
#include <stdio.h>
void main()
{
int i, n1, n2, j, hcf=1;
printf("\n\n HCF of two numbers:\n ");
printf("----------------------\n");
printf("Input 1st number for HCF: ");
scanf("%d", &n1);
printf("Input 2nd number for HCF: ");
scanf("%d", &n2);
j = (n1<n2) ? n1 : n2;
for(i=1; i<=j; i++)
{
if(n1%i==0 && n2%i==0)
{
hcf = i;
}
}
printf("\nHCF of %d and %d is : %d\n\n", n1, n2, hcf);
}
Sample Output:
HCF of two numbers: ---------------------- Input 1st number for HCF: 24 Input 2nd number for HCF: 28 HCF of 24 and 28 is : 4
Flowchart:
C Programming Code Editor:
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Previous: Write a program in C to convert a binary number into a decimal number without using array, function and while loop.
Next: Write a program in C to find LCM of any two numbers using HCF.
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C Programming: Tips of the Day
Static variable inside of a function in C
The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().
The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.
The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().
Ref : https://bit.ly/3fOq7XP
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