diff options
Diffstat (limited to 'other/power_of_four.cpp')
-rw-r--r-- | other/power_of_four.cpp | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/other/power_of_four.cpp b/other/power_of_four.cpp deleted file mode 100644 index ecf6de0..0000000 --- a/other/power_of_four.cpp +++ /dev/null @@ -1,24 +0,0 @@ -#include "leetcode.h" - -class Solution { -public: - bool isPowerOfFour(int num) { - if (num < 0) - return false; - int ans = 0, pos = 1, ones = 0; - while (num) { - if (num & 1) - ans += 1, ones = pos; - num >>= 1, pos += 1; - } - return ans == 1 && ones & 1; - } -}; - -int main() { - Solution obj; - if (obj.isPowerOfFour(16)) - cout << "true"; - else - cout << "false"; -} |