Create minimum-bit-flips-to-convert-number.cpp

Author: kamyu104

C++/minimum-bit-flips-to-convert-number.cpp

@@ -0,0 +1,10 @@
+// Time:  O(logn)
+// Space: O(1)
+
+// bit manipulation
+class Solution {
+public:
+    int minBitFlips(int start, int goal) {
+        return __builtin_popcount(start ^ goal);
+    }
+};