Merge pull request #492 from AKSHATNEMA/master

Added Rotate_number_by_K.cpp

Author: amritansh22

Diff for: Rotate_number_by_k.cpp

@@ -0,0 +1,30 @@
+// Rotate digits of a number by K (number of shifts to be made in Number) 
+
+#include <iostream>
+using namespace std;
+
+
+int main()
+{
+    cout<<"Enter the number:";
+    string in;// input number is taken in form of string
+    cin>>in;
+  
+    long long int n=in.length(); // stores the length of string number.
+    cout<<"Enter the number of digits to be shifted:";
+    long long int k;
+    cin>>k;
+  
+    if(k>n) // incase when shifts is greater than the length of number
+    {
+        k=k%n;
+    }
+  
+    string a=in.substr(0,k);
+    string b=in.substr(k,n-k);
+    string ans=b+a;
+    cout<<"Final number is:"<<ans<<"\n";
+  
+    return 0;
+}
+