Initial commit

Author: phoenixx1

HackerEarth/BasicProgramming/Bit Manipulation/Maximum AND.cpp

@@ -0,0 +1,18 @@
+//author @Nishant
+
+#include <iostream>
+using namespace std;
+int main()
+{
+    int t;
+    cin >> t;
+    while(t--){
+        unsigned long long a, b;
+        cin >> a >> b;
+        if(b - a == 1 || (b & (b - 1)) == b - 1){
+            cout << (b & (b - 1)) << endl;
+        }else{
+            cout << b - 2 << endl;
+        }
+    }
+}