Package g1701_1800.s1780_check_if_number_is_a_sum_of_powers_of_three

Class Solution

java.lang.Object
g1701_1800.s1780_check_if_number_is_a_sum_of_powers_of_three.Solution
public class Solution extends java.lang.Object
1780 - Check if Number is a Sum of Powers of Three.

Medium

Given an integer n, return true if it is possible to represent n as the sum of distinct powers of three. Otherwise, return false.

An integer y is a power of three if there exists an integer x such that y == 3x.

Example 1:

Input: n = 12

Output: true

Explanation: 12 = 31 + 32

Example 2:

Input: n = 91

Output: true

Explanation: 91 = 30 + 32 + 34

Example 3:

Input: n = 21

Output: false

Constraints:

  • 1 <= n <= 107

  • Constructor Summary

    Constructors
    Constructor
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    checkPowersOfThree(int n)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • checkPowersOfThree

      public boolean checkPowersOfThree(int n)