diff options
Diffstat (limited to 'other/power_3.cpp')
-rw-r--r-- | other/power_3.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/other/power_3.cpp b/other/power_3.cpp new file mode 100644 index 0000000..f92e6e3 --- /dev/null +++ b/other/power_3.cpp @@ -0,0 +1,19 @@ +#include "leetcode.h" + +class Solution { +public: + bool isPowerOfThree(int n) { + if (n > 1) + while (n % 3 == 0) + n /= 3; + return n == 1; + } +}; + +int main() { + Solution obj; + if (obj.isPowerOfThree(27)) + cout << "true"; + else + cout << "false"; +} |