- Added solutions by Ulrich Rieke.

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 ;

+}

+