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273. Integer to English Words

Difficulty Topics

Description

Convert a non-negative integer num to its English words representation.

 

Example 1:

Input: num = 123
Output: "One Hundred Twenty Three"

Example 2:

Input: num = 12345
Output: "Twelve Thousand Three Hundred Forty Five"

Example 3:

Input: num = 1234567
Output: "One Million Two Hundred Thirty Four Thousand Five Hundred Sixty Seven"

 

Constraints:

  • 0 <= num <= 231 - 1

Solution