Agr_Pushpa_Palindrome_check #22
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Nice work! Can you think of an algorithm which does not alter the input string and also doesn't increase the space complexity? Hint: how can you skip white spaces as you compare the characters from the front to back? Give it some thought. Then, take a look at one such solution at: https://github.com/Ada-C10/palindrome_check/blob/solution/lib/palindrome_check.rb |
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Space complexity is constant as the number of variable will remain the same regardless of how long the string is, and the time complexity is linear as the iteration will depend on the length.