Merge pull request #504 from codeX1616/codeX1616/OptimizedExponentCheck

codeX1616-Optimized approach to check if a number is an exponent of two

Author: gantavyamalviya

CPP/OptimizedExponentOfTwoCheck.cpp

@@ -0,0 +1,13 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+bool isAnExponentOfTwo(int n) {
+	return ((n & (n-1)) == 0);
+}
+
+int main() {
+	int n;
+	cin >> n;
+	cout << (isAnExponentOfTwo(n) ? "YES" : "NO") << endl;
+	return 0;
+}