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Solution: Check If a String Is a Palindrome

Solution: Check If a String Is a Palindrome

Go over the implementation for checking if a string is a palindrome.

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Solution

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def is_palindrome?(string)
    # i and j intialized to both ends of the string
    i = 0
    j = string.length - 1
    while j > i
        return false if string[i] != string[j]
        i = i + 1
        j = j - 1
    end
    return true
end

Explanation

  • Lines 3–4: We initialize the i and j variables to 0 and ...