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645 B
645 B
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
student@ubuntu:~/gcd$ go build
student@ubuntu:~/gcd$ ./gcd 42 10 | cat -e
2$
student@ubuntu:~/gcd$ ./gcd 42 12
6
student@ubuntu:~/gcd$ ./gcd 14 77
7
student@ubuntu:~/gcd$ ./gcd 17 3
1
student@ubuntu:~/gcd$ ./gcd
student@ubuntu:~/gcd$ ./gcd 50 12 4
student@ubuntu:~/gcd$