update lc

lzyrapx · Jul 5, 2020 · dd1abc5 · dd1abc5
1 parent 7dc3321
commit dd1abc5
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/LeetCode/Medium/0201.cpp b/LeetCode/Medium/0201.cpp
@@ -0,0 +1,17 @@
+/*
+ * @Author: zhaoyang.liang
+ * @Github: https://github.com/LzyRapx
+ * @Date: 2020-07-05 23:29:41
+ */ 
+class Solution {
+public:
+    int rangeBitwiseAnd(int m, int n) {
+        int cnt = 0;
+        while(m != n) {
+            m >>= 1;
+            n >>= 1;
+            cnt++;
+        }
+        return n << cnt;
+    }
+};