Lucky_Number | C++ #816

Lucky_Number | C++

C++/Algorithms/Mathematical/Lucky_number.cpp

@@ -0,0 +1,34 @@
+#include<iostream>
+using namespace std;
+
+int main() {
+  int n,n1,n2,d1,d2,ct=0,flag=0;
+  cout<<"Enter a number: ";
+  cin>>n1;
+  n2=n1;
+  n=n1;
+  while(n1>0)
+  {
+      d1=n1%10;
+      while(n2>0)
+      {
+          d2=n2%10;
+          if(d1==d2)
+          ct++;
+          n2=n2/10;
+      }
+      if(ct>1)
+      {
+          flag=1;
+          break;
+      }
+      ct=0;
+      n2=n;
+      n1=n1/10;
+  }
+  if(flag==1)
+  cout<<n<<" is not a lucky number";
+  else 
+  cout<<n<<" is a lucky number";
+    return 0;
+}