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numbercolor.cpp
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125 lines (109 loc) · 2.94 KB
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#include <iostream>
#include <random>
#include <vector>
enum Color
{
infrared,
red,
orange,
yellow,
green,
blue,
indigo,
violet,
ultraviolet
};
std::string color_names[] =
{
"infrared",
"red",
"orange",
"yellow",
"green",
"blue",
"indigo",
"violet",
"ultraviolet"
};
std::ostream& operator<<( std::ostream& out, Color color )
{
if( color >= infrared && color <= ultraviolet )
{
return out << color_names[(int)color];
}
return out << "[out of range]";
}
//template <enum Color>
using color_pair = std::pair<int, Color>;
#define MAX_COLOR ultraviolet
std::vector<color_pair> color_sort( std::vector<color_pair> &vec )
{
std::vector<std::vector<color_pair>> colors( 9 );
for( auto it = vec.begin(); it != vec.end(); ++it )
{
switch( (*it).second )
{
case infrared:
colors[0].push_back( *it );
break;
case red:
colors[1].push_back( *it );
break;
case orange:
colors[2].push_back( *it );
break;
case yellow:
colors[3].push_back( *it );
break;
case green:
colors[4].push_back( *it );
break;
case blue:
colors[5].push_back( *it );
break;
case indigo:
colors[6].push_back( *it );
break;
case violet:
colors[7].push_back( *it );
break;
case ultraviolet:
colors[8].push_back( *it );
break;
}
}
std::vector<color_pair> result;
for( auto color_it = colors.begin(); color_it != colors.end(); ++color_it )
{
for( auto pair_it = (*color_it).begin(); pair_it != (*color_it).end(); ++pair_it )
{
result.push_back( *pair_it);
}
}
return result;
}
int main()
{
int n = 15;
std::random_device rd;
std::mt19937 gen( rd() );
std::uniform_int_distribution<int> dist( (int)infrared, (int)ultraviolet );
std::vector<color_pair> input_pairs;
for( int i = 1; i < n + 1; ++i )
{
input_pairs.push_back( std::make_pair( i, (Color) dist( gen ) ) );
}
std::cout << "input pairs:" << std::endl << "{" << std::endl;
for( auto it = input_pairs.begin(); it != input_pairs.end(); ++it )
{
std::cout << "\t(" << (*it).first << ", " << (*it).second << ")," << std::endl;
}
std::cout << "\b\b" << std::endl << "}" << std::endl;
std::vector<color_pair> result = color_sort( input_pairs );
std::cout << "sorted pairs:" << std::endl << "{" << std::endl;
for( auto it = result.begin(); it != result.end(); ++it )
{
std::cout << "\t(" << (*it).first << ", " << (*it).second << ")," << std::endl;
}
std::cout << "\b\b" << std::endl << "}" << std::endl;
}