public/subjects/gcd

gcd

Instructions

Write a program that takes two string representing two strictly positive integers that fit in an int.

The program displays their greatest common divisor followed by a newline ('\n').

If the number of arguments is different from 2, the program displays nothing.

All arguments tested will be positive int values.

Usage

$ go run . 42 10 | cat -e
2$
$ go run . 42 12
6
$ go run . 14 77
7
$ go run . 17 3
1
$ go run .
$ go run . 50 12 4
$