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authorcrupest <crupest@outlook.com>2021-02-23 21:07:19 +0800
committercrupest <crupest@outlook.com>2021-02-23 21:07:19 +0800
commit185ef9fcb0e59f13e9ee0ccb261693cdaddebab0 (patch)
tree3f19388b054fb2a12230706681dd62f077890c51 /works/solutions/leetcode/cpp/231.cpp
parentca5a0f8dde5d8d9d7f877a790d05a270cc3224f9 (diff)
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import(solutions): Move leetcode solutions to subdir.
Diffstat (limited to 'works/solutions/leetcode/cpp/231.cpp')
-rw-r--r--works/solutions/leetcode/cpp/231.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/231.cpp b/works/solutions/leetcode/cpp/231.cpp
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--- /dev/null
+++ b/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;
+ }
+};