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Minimum Insertions for Palindrome
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Minimum Insertions for Palindrome

HardPython

Problem

Find the minimum number of insertions to make a string a palindrome.

Asked in the Interview stage. Implement the function below and return the minimum number of characters that must be inserted anywhere in the string.

Input and Output

s is a string containing lowercase English letters. Return an integer. Inserted characters may be placed at any position, including either end of the string.

Constraints

  • 0 <= len(s) <= 500
  • s contains only lowercase English letters
  • Inserted characters may be placed at any position

Function Signature

def min_insertions(s):
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