Leetcode 504 Base 7 Solution in java | Hindi Coding Community

 

Given an integer num, return a string of its base 7 representation.

Example 1:

Input: num = 100

Output: "202"

public String convertTo7(int num) {

if (num < 0)

return '-' + convertTo7(-num);

if (num < 7)

return num + "";

return convertTo7(num / 7) + num % 7;

}