Merge pull request #141 from Akash52/Akash52

Added code for Binary Exponantion in CPP

Author: SanjayDevTech

cpp/Akash52_Binary_Exponentiation.cpp

@@ -0,0 +1,24 @@
+//Problem: Binary Exponentiation better approach
+#include<bits/stdc++.h>
+using namespace std;
+
+int power(long long a,long b)
+{
+	int result=1;
+	while(b>0){  //Return 1
+		if(b%2==1) result *=a;  //Odd number
+		a*=a; 
+		b/=2; //Even Number
+	}
+	return result;
+}
+int main()
+{
+	long long a,b;
+	cin>>a>>b;
+	cout<<power(a,b);
+	return 0;
+}
+
+
+//TimeCoplexity : O(logn)