All files / leetCode 0009.ts

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5x
1x
 
4x
 
 
 
 
 
4x
 
 
function isPalindromeString(s: string): boolean {
  if (s.length <= 1)
    return true
 
  return (
    s[0] === s[s.length - 1] && isPalindromeString(s.slice(1, s.length - 1))
  )
}
 
export default function isPalindrome(x: number): boolean {
  return isPalindromeString(x.toString())
}