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6 years ago
## gcd
### Instructions
5 years ago
Write a program that takes two `string` representing two strictly positive integers that fit in an `int`.
5 years ago
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
```console
student@ubuntu:~/[[ROOT]]/gcd$ go build
student@ubuntu:~/[[ROOT]]/gcd$ ./gcd 42 10 | cat -e
2$
student@ubuntu:~/[[ROOT]]/gcd$ ./gcd 42 12
6
student@ubuntu:~/[[ROOT]]/gcd$ ./gcd 14 77
7
student@ubuntu:~/[[ROOT]]/gcd$ ./gcd 17 3
1
student@ubuntu:~/[[ROOT]]/gcd$ ./gcd
student@ubuntu:~/[[ROOT]]/gcd$ ./gcd 50 12 4
student@ubuntu:~/[[ROOT]]/gcd$
```