#include constexpr std::size_t Size = 20; class Canvas { private: bool **const canvas; void setCircle() { for ( std::size_t i{ 6 }; i < 14; ++i ) { this->canvas[ i ][ 1 ] = true; this->canvas[ i ][ 18 ] = true; this->canvas[ 1 ][ i ] = true; this->canvas[ 18 ][ i ] = true; } for ( std::size_t j{ 2 }; j < 6; ++j ) { this->canvas[ j ][ 7 - j ] = true; this->canvas[ j ][ j + 12 ] = true; this->canvas[ j + 12 ][ j ] = true; this->canvas[ j + 12 ][ 19 - j ] = true; } } void init() { for ( std::size_t i{ 0 }; i < Size; ++i ) { for ( std::size_t j{ 0 }; j < Size; ++j ) { this->canvas[ i ][ j ] = false; } } this->setCircle(); } public: Canvas() : canvas{ new bool* [ Size ] } { for ( std::size_t i{ 0 }; i < Size; ++i ) { this->canvas[ i ] = new bool[ Size ]; } this->init(); } Canvas( const Canvas& obj ) : canvas{ new bool*[ Size ] } { for ( std::size_t i{ 0 }; i < Size; ++i ) { this->canvas[ i ] = new bool[ Size ]; for ( std::size_t j{ 0 }; j < Size; ++j ) { this->canvas[ i ][ j ] = obj.canvas[ i ][ j ]; } } } ~Canvas() { for ( std::size_t i{ 0 }; i < Size; ++i ) { delete[] this->canvas[ i ]; } delete[] this->canvas; } Canvas& operator = ( const Canvas& obj ) { for ( std::size_t i{ 0 }; i < Size; ++i ) { for ( std::size_t j{ 0 }; j < Size; ++j ) { this->canvas[ i ][ j ] = obj.canvas[ i ][ j ]; } } return *this; } bool* const operator [] ( const std::size_t index ) { return this->canvas[ index ]; } const bool* const operator [] ( const std::size_t index ) const { return this->canvas[ index ]; } }; std::ostream& operator << ( std::ostream& os, const Canvas& obj ) { for ( std::size_t i{ 0 }; i < Size; ++i ) { for ( std::size_t j{ 0 }; j < Size; ++j ) { os << ( obj[ i ][ j ] ? 'o' : ' ' ) << ' '; } os << '\n'; } return os; } class Smiley { public: virtual void drawSmiley( Canvas& obj ) const = 0; virtual ~Smiley() = default; protected: void drawEyes( Canvas& obj ) const { for ( std::size_t i{ 5 }; i < 15; i += 3 ) { obj[ 7 ][ i ] = true; obj[ 8 ][ i ] = true; if ( i & 1 ) { obj[ 6 ][ i + 1 ] = true; obj[ 9 ][ i + 1 ] = true; } else { obj[ 6 ][ i - 1 ] = true; obj[ 9 ][ i - 1 ] = true; } } } }; class HappySmiley : public Smiley { public: virtual void drawSmiley( Canvas &obj ) const override { this->drawEyes( obj ); for ( std::size_t i{ 7 }; i < 13; ++i ) { obj[ 16 ][ i ] = true; } obj[ 13 ][ 4 ] = obj[ 13 ][ 15 ] = true; obj[ 14 ][ 5 ] = obj[ 14 ][ 14 ] = true; obj[ 15 ][ 6 ] = obj[ 15 ][ 13 ] = true; } }; class SadSmiley : public Smiley { public: virtual void drawSmiley( Canvas &obj ) const override { this->drawEyes( obj ); for ( std::size_t i{ 8 }; i < 12; ++i ) { obj[ 13 ][ i ] = true; } obj[ 14 ][ 7 ] = obj[ 14 ][ 12 ] = true; obj[ 15 ][ 6 ] = obj[ 15 ][ 13 ] = true; } }; class JokingSmiley : public Smiley { public: virtual void drawSmiley( Canvas& obj ) const override { for ( std::size_t i{ 13 }; i < 17; ++i ) { for ( std::size_t j{ 8 }; j < 12; ++j ) { obj[ i ][ j ] = true; } } obj[ 17 ][ 9 ] = obj[ 17 ][ 10 ] = true; obj[ 12 ][ 5 ] = obj[ 12 ][ 6 ] = true; obj[ 12 ][ 13 ] = obj[ 12 ][ 14 ] = true; obj[ 13 ][ 5 ] = obj[ 13 ][ 7 ] = true; obj[ 13 ][ 12 ] = obj[ 13 ][ 14 ] = true; obj[ 14 ][ 6 ] = obj[ 14 ][ 7 ] = true; obj[ 14 ][ 12 ] = obj[ 14 ][ 13 ] = true; std::size_t temp{ 6 }; for ( std::size_t l{ 4 }; l < 9; ++l ) { obj[ l ][ temp ] = true; obj[ l ][ Size - temp - 1 ] = true; if ( l < 6 ) { ++temp;; } else { --temp; } } } }; class OkaySmiley : public Smiley { public: virtual void drawSmiley( Canvas& obj ) const override { this->drawEyes( obj ); for ( std::size_t i{ 6 }; i < 14; ++i ) { obj[ 15 ][ i ] = true; } } }; class SpeechlessSmiley : public Smiley { public: virtual void drawSmiley( Canvas& obj ) const override { for ( std::size_t i{ 0 }; i < 2; ++i ) { for ( std::size_t j{ 0 }; j < 2; ++j ) { obj[ i + 7 ][ j + 6 ] = true; obj[ i + 7 ][ j + 12 ] = true; } } } }; class LoveSmiley : public Smiley { public: virtual void drawSmiley( Canvas& obj ) const override { for ( std::size_t i{ 6 }; i < 13; ++i ) { obj[ 13 ][ i ] = obj[ 15 ][ i ] = true; } for ( std::size_t j{ 0 }; j < 2; ++j ) { obj[ 12 ][ j + 4 ] = obj[ 12 ][ j + 13 ] = true; } obj[ 13 ][ 4 ] = obj[ 13 ][ 14 ] = true; obj[ 14 ][ 5 ] = obj[ 14 ][ 13 ] = true; for ( std::size_t k{ 4 }; k <= 8; k += 4 ) { obj[ 5 ][ k ] = obj[ 6 ][ k ] = true; obj[ 5 ][ Size - k - 1 ] = obj[ 6 ][ Size - k - 1 ] = true; } for (std::size_t l{ 5 }; l <= 7; l += 2 ) { obj[ 4 ][ l ] = obj[ 7 ][ l ] = true; obj[ 4 ][ Size - l - 1 ] = obj[ 7 ][ Size - l - 1 ] = true; } obj[ 5 ][ 6 ] = obj[ 5 ][ 13 ] = true; obj[ 8 ][ 6 ] = obj[ 8 ][ 13 ] = true; } }; class GuiltySmiley : public Smiley { public: virtual void drawSmiley( Canvas& obj ) const override { for ( std::size_t i{ 6 }; i < 9; ++i ) { obj[ 5 ][ i ] = obj[ 5 ][ Size - i - 1 ] = true; } obj[ 6 ][ 5 ] = obj[ 6 ][ 14 ] = true; obj[ 7 ][ 4 ] = obj[ 7 ][ 15 ] = true; obj[ 7 ][ 7 ] = obj[ 7 ][ 12 ] = true; for ( std::size_t j{ 8 }; j < 12; ++j ) { obj[ 14 ][ j ] = true; } obj[ 15 ][ 7 ] = obj[ 15 ][ 12 ] = true; for ( std::size_t k{ 12 }; k < 15; ++k ) { obj[ 13 ][ k ] = true; } obj[ 8 ][ 13 ] = true; obj[ 9 ][ 12 ] = obj[ 9 ][ 14 ] = true; obj[ 10 ][ 12 ] = obj[ 10 ][ 14 ] = true; obj[ 11 ][ 11 ] = obj[ 11 ][ 15 ] = true; obj[ 12 ][ 11 ] = obj[ 12 ][ 15 ] = true; } }; class SurprisedSmiley: public Smiley { public: virtual void drawSmiley( Canvas& obj ) const override { this->drawEyes( obj ); for ( std::size_t i{ 8 }; i < 12; ++i ) { obj[ 11 ][ i ] = obj[ 16 ][ i ] = true; } for ( std::size_t j{ 12 }; j < 16; ++j ) { obj[ j ][ 7 ] = obj[ j ][ 12 ] = true; } } }; class CoolSmiley : public Smiley { public: virtual void drawSmiley( Canvas& obj ) const override { std::size_t stop{ 10 }; for ( std::size_t i{ 6 }; i < 9; ++i ) { for ( std::size_t j{ 4 }; j < stop; ++j ) { obj[ i ][ j ] = obj[ i ][ Size - j - 1 ] = true; } --stop; } for ( std::size_t k{ 13 }; k < 16; ++k ) { obj[ k ][ k - 7 ] = obj[ k ][ Size - ( k - 7 ) - 1 ] = true; } obj[ 15 ][ 9 ] = obj[ 15 ][ 10 ] = true; } }; int main( int argc, char** argv ) { Canvas c{}; Smiley* ptr{ nullptr }; std::string mood{}; std::cout << "Welcome!\n" << std::endl; std::cout << "How are you? "; std::cin >> mood; if ( mood == "Happy" || mood == "happy" ) { std::cout << "Happy!" << std::endl; ptr = new HappySmiley; } else if ( mood == "Sad" || mood == "sad" ) { std::cout << "Sad..." << std::endl; ptr = new SadSmiley; } else if ( mood == "Funny" || mood == "funny" ) { std::cout << "Funny ;P" << std::endl; ptr = new JokingSmiley; } else if ( mood == "Okay" || mood == "okay" ) { std::cout << "Okay..." << std::endl; ptr = new OkaySmiley; } else if ( mood == "Speechless" || mood == "speechless" ) { std::cout << "...Speechless..." << std::endl; ptr = new SpeechlessSmiley; } else if ( mood == "Amorous" || mood == "amorous" ) { std::cout << "In Love!" << std::endl; ptr = new LoveSmiley; } else if ( mood == "Surprised" || mood == "surprised" ) { std::cout << "Surprised!" << std::endl; ptr = new SurprisedSmiley; } else if ( mood == "Cool" || mood == "cool" ) { std::cout << "Cool!" << std::endl; ptr = new CoolSmiley; } else { std::cout << "I wasnt taught about this mood, sorry..." << std::endl; ptr = new GuiltySmiley; } ptr->drawSmiley( c ); delete ptr; std::cout << c << std::endl; return EXIT_SUCCESS; }

[Challenge] Smile!