Added the code to toggle Kth bit of a number.cpp

Program to toggle Kth bit of a number.cpp

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+#include <iostream>
+using namespace std;
+
+// K starts from 1
+// left shift 1 K-1 times and xor with number n
+// 1<<K-1 generates a mask in which only Kth bit is set.
+
+int ToggleKthBit(int n,int K)
+{                           
+	return n ^ (1 << (K-1)); //toggled number
+}
+
+//driver program to check the code
+int main() 
+{
+	int num,k;
+
+	cout<<"Enter number: ";
+	cin>>num;
+	cout<<"Enter bit to toggle (value of k): ";
+	cin>>k;
+
+	cout<<"Enter number: "<<num<<endl;
+	cout<<"Enter k: "<<k<<endl;
+
+	cout<<"original number before toggling: "<<num<<endl;
+
+	int new_number= ToggleKthBit(num,k);
+
+	cout<<"new number after toggling: "<<new_number<<endl;
+
+	return 0;
+}