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945 B
945 B
repeatalpha
Instructions
Write a program called repeat_alpha that takes a string and displays it repeating each alphabetical character as many times as its alphabetical index.
The result must be followed by a newline ('\n').
'a' becomes 'a', 'b' becomes 'bb', 'e' becomes 'eeeee', etc...
If the number of arguments is different from 1, the program displays nothing.
Usage
student@ubuntu:~/[[ROOT]]/repeatalpha$ go build
student@ubuntu:~/[[ROOT]]/repeatalpha$ ./repeatalpha abc | cat -e
abbccc
student@ubuntu:~/[[ROOT]]/repeatalpha$ ./repeatalpha Choumi. | cat -e
CCChhhhhhhhooooooooooooooouuuuuuuuuuuuuuuuuuuuummmmmmmmmmmmmiiiiiiiii.$
student@ubuntu:~/[[ROOT]]/repeatalpha$ ./repeatalpha "abacadaba 01!" | cat -e
abbacccaddddabba 01!$
student@ubuntu:~/[[ROOT]]/repeatalpha$ ./repeatalpha
student@ubuntu:~/[[ROOT]]/repeatalpha$ ./repeatalpha "" | cat -e
$
student@ubuntu:~/[[ROOT]]/repeatalpha$