STL_Algorithm1: Fill, Fill_n, Generate, Generate_n

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#include<iostream>

using std::cout;

using std::endl;

#include<algorithm>

#include<vector>

#include<iterator>

char nextLetter();

int main()

{

std::vector< char > chars( 10 );

std::ostream_iterator< char > outputIt( cout, " " );

std::fill( chars.begin(), chars.end(), '5' );

cout<<"Vector chars after filling with 5s:/n";

std::copy( chars.begin(), chars.end(), outputIt );

std::fill_n( chars.begin(), 5, 'A' );

cout<< "/n/nVector chars after filling five elements"

<<" with As:/n";

std::copy( chars.begin(), chars.end(), outputIt );

std::generate( chars.begin(), chars.end(), nextLetter );

cout<<"/n/nVector chars after generating letters A-J:/n";

std::copy( chars.begin(), chars.end(), outputIt );

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(), outputIt );

cout<<endl;

return 0;

}

char nextLetter()

{

static char letter = 'A';

return letter++;

}