public/subjects/union.en.md

union

Instructions

Write a program that takes two string and displays, without doubles, the characters that appear in either one of the string.

The display will be in the order that the characters will appear on the command line and will be followed by a newline ('\n').

If the number of arguments is different from 2, then the program displays newline ('\n').

Usage

student@ubuntu:~/[[ROOT]]/union$ go build
student@ubuntu:~/[[ROOT]]/union$ ./union zpadinton paqefwtdjetyiytjneytjoeyjnejeyj | cat -e
zpadintoqefwjy$
student@ubuntu:~/[[ROOT]]/union$ ./union ddf6vewg64f gtwthgdwthdwfteewhrtag6h4ffdhsd | cat -e
df6vewg4thras$
student@ubuntu:~/[[ROOT]]/union$ ./union rien "cette phrase ne cache rien" | cat -e
riencthas$
student@ubuntu:~/[[ROOT]]/union$ ./union | cat -e
$
student@ubuntu:~/[[ROOT]]/union$ ./union rien | cat -e
$
student@ubuntu:~/[[ROOT]]/union$