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README.md exercise: queue_lunch linked lists 4 years ago

README.md

brackets

Instructions

Write a program that takes an undefined number of string in arguments. For each argument, if the expression is correctly bracketed, the program prints on the standard output OK followed by a newline ('\n'), otherwise it prints Error followed by a newline.

Symbols considered as brackets are parentheses ( and ), square brackets [ and ] and curly braces { and }. Every other symbols are simply ignored.

An opening bracket must always be closed by the good closing bracket in the correct order. A string which does not contain any bracket is considered as a correctly bracketed string.

If there is no argument, the program must print nothing.

Usage

student@ubuntu:~/[[ROOT]]/brackets$ ./brackets '(johndoe)' | cat -e
OK$
student@ubuntu:~/[[ROOT]]/brackets$ ./brackets '([)]' | cat -e
Error$
student@ubuntu:~/[[ROOT]]/brackets$ ./brackets '' '{[(0 + 0)(1 + 1)](3*(-1)){()}}' | cat -e
OK$
OK$
student@ubuntu:~/[[ROOT]]/brackets$ ./brackets
student@ubuntu:~/[[ROOT]]/brackets$