1 files changed, 37 insertions, 0 deletions
diff --git a/challenge-288/ulrich-rieke/cpp/ch-1.cpp b/challenge-288/ulrich-rieke/cpp/ch-1.cpp
new file mode 100755
index 0000000000..4551c7edca
--- /dev/null
+++ b/challenge-288/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,37 @@
+#include <iostream>
+#include <string>
+#include <algorithm>
+#include <cstdlib>
+
+bool isPalindrome( int number ) {
+   auto numberstring = std::to_string( number ) ;
+   auto reversed { numberstring } ;
+   std::reverse( reversed.begin( ) , reversed.end( ) ) ;
+   return reversed == numberstring ;
+}
+
+int main( ) {
+   std::cout << "Please enter a number!\n" ;
+   int number ;
+   std::cin >> number ;
+   int current = number - 1 ;
+   while ( ! isPalindrome( current ) )  
+      current-- ;
+   auto minusnum = current ;
+   auto minusdiff = std::abs( minusnum - number ) ;
+   current = number + 1 ;
+   while ( ! isPalindrome( current ) ) 
+      current++ ;
+   auto plusnum = current ;
+   auto plusdiff = std::abs( plusnum - number ) ;
+   if ( plusdiff == minusdiff ) 
+      std::cout << minusnum << '\n' ;
+   else {
+      if ( plusdiff < minusdiff )  
+	 std::cout << plusnum << '\n' ;
+      else 
+	 std::cout << minusnum << '\n' ;
+   }
+   return 0 ;
+}
+