2013-4: Keeping Things In Balance
Write a function which returns a 1 if the opening and closing parentheses in a character vector are balanced, or a zero otherwise.
Examples:
(your_function) '((2×3)+4)'
1
(your_function) ''
1
(your_function) 'hello world!'
1
(your_function) ')(2×3)+4('
0
(your_function) '(()'
0
(your_function) ')'
0
your_function ←
Solutions
