LeetCode 273. Integer to English Words

Problem Description

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

Test Cases

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

Link

https://leetcode.com/problems/integer-to-english-words/