[LeetCode] 504. Base 7

轉自LeetCode

Given an integer, return its base 7 string representation.

Example 1:

Input: 100
Output: "202"

Example 2:

Input: -7
Output: "-10"

Note: The input will be in range of [-1e7, 1e7].

<Solution>

這題不難，直覺解就可以了

code 如下

C++

Java(可以利用內建函式)