Write a program that computes the GCD of two positive numbers a and b. The program should handle nonpositive input by printing "invalid input".

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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program in python 3

Euclid's Algorithm is an efficient method for getting the greatest
common divisor (GCD) of two numbers. Given two positive
integers, a and b, where a > b, the algorithm works as follows:
a=qob+ro
b=qıro+r1
ro=q2ri+r2
ri=q3r2+r3
..
..
.. Ik=qk+2rk+1+0
The gcd of a and b is rk+1
Write a program that computes the GCD of two positive
numbers a and b. The program should handle nonpositive input
by printing "invalid input".
Transcribed Image Text:Euclid's Algorithm is an efficient method for getting the greatest common divisor (GCD) of two numbers. Given two positive integers, a and b, where a > b, the algorithm works as follows: a=qob+ro b=qıro+r1 ro=q2ri+r2 ri=q3r2+r3 .. .. .. Ik=qk+2rk+1+0 The gcd of a and b is rk+1 Write a program that computes the GCD of two positive numbers a and b. The program should handle nonpositive input by printing "invalid input".
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