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diff --git a/challenge-343/ulrich-rieke/cpp/ch-1.cpp b/challenge-343/ulrich-rieke/cpp/ch-1.cpp
new file mode 100755
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+++ b/challenge-343/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,29 @@
+#include <iostream>
+#include <vector>
+#include <sstream>
+#include <string>
+#include <algorithm>
+#include <cstdlib>
+
+std::vector<std::string> split( const std::string & text , const char delimiter ) {
+   std::vector<std::string> tokens ;
+   std::istringstream istr { text } ;
+   std::string word ;
+   while ( std::getline( istr , word , delimiter ) ) 
+      tokens.push_back( word ) ;
+   return tokens ;
+}
+
+//we want to find the minimum absolute value!
+int main( ) {
+   std::cout << "Enter some integers separated by whitespace!\n" ;
+   std::string line ;
+   std::getline( std::cin , line ) ;
+   auto tokens { split( line , ' ' ) } ;
+   std::vector<int> differences ;
+   for ( auto s : tokens ) 
+      differences.push_back( std::abs(std::stoi( s ) )) ;
+   std::cout << *std::min_element( differences.begin( ) , differences.end( ) ) << 
+      '\n' ;
+   return 0 ;
+}