From 5ba428b6c66548e501eafc41c7a729456cbe10dd Mon Sep 17 00:00:00 2001
From: Mohammad S Anwar <mohammad.anwar@yahoo.com>
Date: Wed, 24 Apr 2024 19:21:32 +0100
Subject: - Added solutions by Ulrich Rieke. - Added solutions by Ali Moradi.

---
 challenge-266/ulrich-rieke/cpp/ch-1.cpp | 57 +++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100755 challenge-266/ulrich-rieke/cpp/ch-1.cpp

(limited to 'challenge-266/ulrich-rieke/cpp/ch-1.cpp')

diff --git a/challenge-266/ulrich-rieke/cpp/ch-1.cpp b/challenge-266/ulrich-rieke/cpp/ch-1.cpp
new file mode 100755
index 0000000000..84477e81ec
--- /dev/null
+++ b/challenge-266/ulrich-rieke/cpp/ch-1.cpp
@@ -0,0 +1,57 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include <map>
+#include <utility>
+#include <ranges>
+#include <algorithm>
+
+namespace rng = std::ranges ;
+
+std::vector<std::string> split( const std::string & startline ,
+      const std::string & sep ) {
+   std::vector<std::string> separated ;
+   std::string::size_type start { 0 } ;
+   std::string::size_type pos ;
+   do {
+      pos = startline.find_first_of( sep , start ) ;
+      separated.push_back( startline.substr(start , pos - start )) ;
+      start = pos + 1 ;
+   } while ( pos != std::string::npos ) ;
+   return separated ;
+}
+
+int main( ) {
+   std::cout << "Enter some words, separated by blanks!\n" ;
+   std::string line ;
+   std::getline( std::cin , line ) ;
+   std::vector<std::string> firstWords { split( line, " " ) } ;
+   std::cout << "Enter some more words, separated by blanks!\n" ;
+   line.clear( ) ;
+   std::getline( std::cin , line ) ;
+   std::vector<std::string> secondWords { split( line, " " ) } ;
+   std::map<std::string, int> frequencies ;
+   for ( auto it = firstWords.begin( ) ; it != firstWords.end( ) ; it++ ) 
+      frequencies[*it]++ ;
+   for ( auto it = secondWords.begin( ) ; it != secondWords.end( ) ; it++ )
+      frequencies[*it]++ ;
+   std::vector<std::pair<std::string, int>> allWords { frequencies.begin( ) , 
+      frequencies.end( ) } ;
+   std::vector<std::string> selected ;
+   if ( allWords.size( ) > 0 ) {
+      std::cout << "( " ;
+      for ( auto p : allWords | rng::views::filter([]( auto pa ){ return pa.second == 
+	       1 ; } )) {
+	    selected.push_back( p.first ) ;
+      }
+      for ( auto w : selected ) 
+	 std::cout << w << ' ' ;
+      std::cout << ")\n" ;
+   }
+   else {
+      std::cout << "()\n" ;
+   }
+   return 0 ;
+}
+
+
-- 
cgit