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42 lines
733 B
C
42 lines
733 B
C
/* GCD Recursive - Write recursive function to calculate gcd of 2 numbers using the following Euclid's recursive algorithm:
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gcd(n,m) , if n>m
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gcd(m,n) = m , if n=0
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gcd(n,m mod n) , otherwise
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*/
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#include <stdio.h>
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#include <conio.h>
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int gcd(int m, int n)
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{
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if(n>m)
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return ( gcd(n,m) ) ;
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else if(n==0)
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return m ;
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else
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return ( gcd(n,m%n) ) ;
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}
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void main()
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{
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int m, n ;
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clrscr();
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printf("Enter 2 positive integers: ") ;
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scanf("%d %d", &m, &n) ;
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printf("GCD is: %d", gcd(m,n) );
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getch() ;
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}
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/*
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Output1:
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Enter 2 positive integers: 18 24
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GCD is: 6
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Output2:
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Enter 2 positive integers: 5 3
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GCD is: 1
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*/
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