From 3114956979e812e8ca166cb84d8dea346cee22d3 Mon Sep 17 00:00:00 2001
From: Mohammad Sajid Anwar <mohammad.anwar@yahoo.com>
Date: Mon, 30 Sep 2024 22:07:13 +0100
Subject: - Added solutions by Ulrich Rieke. - Added solutions by Paulo
 Custodio. - Added solutions by David Ferrone. - Added solutions by Thomas
 Kohler. - Added solutions by Torgny Lyon.

---
 challenge-289/ulrich-rieke/cpp/ch-2.cpp | 64 +++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100755 challenge-289/ulrich-rieke/cpp/ch-2.cpp

(limited to 'challenge-289/ulrich-rieke/cpp/ch-2.cpp')

diff --git a/challenge-289/ulrich-rieke/cpp/ch-2.cpp b/challenge-289/ulrich-rieke/cpp/ch-2.cpp
new file mode 100755
index 0000000000..b03c0abd30
--- /dev/null
+++ b/challenge-289/ulrich-rieke/cpp/ch-2.cpp
@@ -0,0 +1,64 @@
+#include <vector>
+#include <string>
+#include <random>
+#include <iostream> 
+#include <sstream>
+#include <algorithm>
+
+std::vector<std::string> split( std::string & text , 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 ;
+}
+
+std::string do_shuffle( const std::string & word ) {
+   std::random_device rd ;
+   std::mt19937 g ( rd( ) ) ;
+   std::string central { word.substr( 1 , word.length( ) - 2 ) } ;
+   std::string output { word.substr( 0 , 1 ) } ;
+   std::shuffle( central.begin( ) , central.end( ) , g ) ;
+   output = output + central ;
+   output.push_back( word.back( ) ) ;
+   return output ;
+}
+
+int main( ) {
+   std::cout << "Enter some sentences, <return> to end!\n" ;
+   std::vector<std::string> block ;
+   std::string line ;
+   std::getline( std::cin , line ) ;
+   while ( ! line.empty( ) ) {
+      block.push_back( line ) ;
+      std::getline( std::cin , line ) ;
+   }
+   std::vector<std::string> shuffled ;
+   for ( auto aLine : block ) {
+      std::vector<std::string> shuffled_line ;
+      auto tokens { split( aLine , ' ' ) } ;
+      for ( auto w : tokens ) {
+	 if ( w.length( ) <= 3 ) {
+	    shuffled_line.push_back( w ) ;
+	 }
+	 else {
+	    shuffled_line.push_back( do_shuffle( w ) ) ;
+	 }
+      }
+      std::string changed ;
+      for ( auto w : shuffled_line ) {
+	 changed = changed + w + " " ;
+      }
+      changed.pop_back( ) ;
+      shuffled.push_back( changed ) ;
+   }
+   for ( auto w : shuffled ) {
+      std::cout << w << '\n' ;
+   }
+   return 0 ;
+}
+
+
+
-- 
cgit