From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/Prog2/Codebeispiele/7_ch21/fig21_26.CPP | 73 ++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 Bachelor/Prog2/Codebeispiele/7_ch21/fig21_26.CPP (limited to 'Bachelor/Prog2/Codebeispiele/7_ch21/fig21_26.CPP') diff --git a/Bachelor/Prog2/Codebeispiele/7_ch21/fig21_26.CPP b/Bachelor/Prog2/Codebeispiele/7_ch21/fig21_26.CPP new file mode 100644 index 0000000..b1aa127 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/7_ch21/fig21_26.CPP @@ -0,0 +1,73 @@ +// Fig. 21.26: fig21_26.cpp +// Standard library algorithms fill, fill_n, generate +// and generate_n. +#include + +using std::cout; +using std::endl; + +#include // algorithm definitions +#include // vector class-template definition + +char nextLetter(); // prototype + +int main() +{ + std::vector< char > chars( 10 ); + std::ostream_iterator< char > output( cout, " " ); + + // fill chars with 5s + std::fill( chars.begin(), chars.end(), '5' ); + + cout << "Vector chars after filling with 5s:\n"; + std::copy( chars.begin(), chars.end(), output ); + + // fill first five elements of chars with As + std::fill_n( chars.begin(), 5, 'A' ); + + cout << "\n\nVector chars after filling five elements" + << " with As:\n"; + std::copy( chars.begin(), chars.end(), output ); + + // generate values for all elements of chars with nextLetter + std::generate( chars.begin(), chars.end(), nextLetter ); + + cout << "\n\nVector chars after generating letters A-J:\n"; + std::copy( chars.begin(), chars.end(), output ); + + // generate values for first five elements of chars + // with nextLetter + std::generate_n( chars.begin(), 5, nextLetter ); + + cout << "\n\nVector chars after generating K-O for the" + << " first five elements:\n"; + std::copy( chars.begin(), chars.end(), output ); + + cout << endl; + + return 0; + +} // end main + +// returns next letter in the alphabet (starts with A) +char nextLetter() +{ + static char letter = 'A'; + return letter++; + +} // end function nextLetter + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file -- cgit v1.2.3