leetcodeSolution to some Leetcode problems written in C++ |
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1780.cpp (173B)
0 class Solution {
1 public:
2 bool checkPowersOfThree(int n) {
3 while (n > 0 && n % 3 != 2)
4 n = (n % 3) ? n - 1 : n / 3;
5 return n == 0;
6 }
7 };