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-rw-r--r--store/works/solutions/leetcode/cpp/231.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/store/works/solutions/leetcode/cpp/231.cpp b/store/works/solutions/leetcode/cpp/231.cpp
new file mode 100644
index 0000000..8861e09
--- /dev/null
+++ b/store/works/solutions/leetcode/cpp/231.cpp
@@ -0,0 +1,10 @@
+#include <bitset>
+
+class Solution {
+public:
+ bool isPowerOfTwo(int n) {
+ if (n <= 0) return false;
+ std::bitset<sizeof(n) * 8> bits(n);
+ return bits.count() == 1;
+ }
+};