//main.cpp. using namespace std;

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1 Eric Villanueva CSE 330 Homework 1 (40/40) I d give myself a full 40 out of 40 points. I put a lot of effort into getting my code to work, I also used my own code for most of it. Question 1) #include <iostream> #include <vector> #include <sstream> #include <ctime> #include <algorithm> #include <string> #include "Card.h" #include "Player.h" //main.cpp using namespace std; //empties the deck, and fills it with the standard 52 cards, and then shuffles void resetdeck(vector<card>& deck) srand(time(0)); deck.clear(); for (int i = 0; i < 52; ++i) deck.push_back(i / 13, i % 13); random_shuffle(deck.begin(), deck.end()); int main() vector<card> deck; Player humplayer; Player complayer; resetdeck(deck); int input; //starting 3 cards for both human and computer humplayer.takecard(deck); complayer.takecard(deck); humplayer.takecard(deck); complayer.takecard(deck); humplayer.takecard(deck); complayer.takecard(deck); while(!humplayer.emptyhand() &&!complayer.emptyhand()) Card hum,com; humplayer.showhand(); cin >> input;

2 hum = humplayer.choosecard(input); cout << "\n\n\n\n"; cout << "You chose: " << hum << endl; com = complayer.choosecard(rand()); //there is a modulo inside the choosecard function cout << "CPU chose: " << com << endl << endl; humplayer.takecard(deck); complayer.takecard(deck); if (hum.rank == com.rank) cout << "Tie, both get 1 point\n"; humplayer.addpoints(1); complayer.addpoints(1); else if (((hum.rank > com.rank) && (hum.suit == com.suit)) hum.suit > com.suit) cout << "You won this round, 2 points for you\n"; humplayer.addpoints(2); else cout << "CPU won this round, 2 points for CPU\n"; complayer.addpoints(2); cout << "You have " << humplayer.getpoints() << " Points\n"; cout << "CPU has " << complayer.getpoints() << " Points\n"; if (humplayer.getpoints() < complayer.getpoints()) cout << "You LOSE\n"; if (humplayer.getpoints() > complayer.getpoints()) cout << "You WIN\n"; if (humplayer.getpoints() == complayer.getpoints()) cout << "You TIED\n"; return 0; #ifndef CARD_H #define CARD_H //Card.h #include <string> using namespace std; struct Card int suit; int rank; ; ostream & operator<<(ostream& out, Card c); #endif //Card.cpp

3 #include "Card.h" /*this file reuses some of Tong Yu's code*/ enum Rank Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Jack, Queen, King, Ace ; string rstring[14] = "2 ", "3 ", "4 ", "5 ", "6 ", "7 ", "8 ", "9 ", "10", "J ", "Q ", "K ", "A "; enum Suit Diamond, Club, Heart, Spade ; char sstring[5] = "DCHS"; ostream& operator<<(ostream& out, Card c) switch (c.rank) case 0: out << "Two"; break; case 1: out << "Three"; break; case 2: out << "Four"; break; case 3: out << "Five"; break; case 4: out << "Six"; break; case 5: out << "Seven"; break; case 6: out << "Eight"; break; case 7: out << "Nine"; break; case 8: out << "Ten"; break; case 9: out << "Jack"; break; case 10: out << "Queen"; break; case 11: out << "King"; break; case 12: out << "Ace"; break; default: out << "Error"; break; out << " of "; switch (c.suit) case 0: out << "Diamonds"; break; case 1: out << "Clubs"; break; case 2: out << "Hearts"; break; case 3: out << "Spades"; break; default: out << "Error"; break; return out; #ifndef PLAYER_H #define PLAYER_H //Player.h #include <vector> #include <iostream> #include <string> #include <sstream> #include "Card.h" class Player

4 public: Player(); private: ; //~Player(); //uses cout to print the cards void showhand(); //takes random card from deck void takecard(vector<card>& deck); //returns the card, given the index Card choosecard(int a); //returns true if hand.size() == 0 bool emptyhand(); void addpoints(int point); int getpoints(); //vector<card>& deck; vector<card> hand; int points; #endif #include "Player.h" //Player.cpp extern string rstring[14]; extern char sstring[5]; extern enum Rank; extern enum Suit; Player::Player() hand.clear(); points = 0; /*//This isn't needed Player::~Player() //delete &deck; */ void Player::showHand() stringstream a, b, c, d;

5 for(int i = 0; i < hand.size(); ++i) a << "+--"; b << ' ' << rstring[hand[i].rank]; c << ' ' << sstring[hand[i].suit] << ' '; d << ' '<< i + 1 << ','; a << " \n"; b << " \n"; c << " \n"; d << " Choose a card (1-" << hand.size() << "): "; cout << a.str() << b.str() << c.str() << endl << d.str(); void Player::takeCard(vector<Card>& deck) if (deck.size()!= 0) hand.push_back(deck[deck.size() - 1]); deck.pop_back(); Card Player::chooseCard(int a) Card temp = 0, 0 ; //prevents segmentation fault a = a % hand.size(); if (a == 0) a = hand.size(); if (hand.size()!= 0) temp = hand[a - 1]; hand.erase(hand.begin() + a - 1); return temp; bool Player::emptyHand() return (hand.size() == 0); void Player::addPoints(int point) points += point; int Player::getPoints()

6 return points;

7 Question 4) //main.cpp #include <cmath> #include <iostream> using namespace std; // given length of 3 sides, finds area of triangle float heron(float a, float b, float c) double p = (a + b + c)/2; return sqrt(p* (p - a) * (p - b) * (p - c)); int main(int argc, char* args[]) if (argc!= 4) return 0; float a, b, c; a = abs(atof(args[1])); b = abs(atof(args[2])); c = abs(atof(args[3])); if ((a > (b + c)) (b > (a + c)) (c > (a + b))) cout << "The triangle is not valid!\n"; return 0; cout << "Area = " << heron(a, b, c) << endl; return 0;

8 An accessor of a class is used to access a member variable of the class, A mutator function modifies a value stored in the class. A private member can only be accessed by the object that contains it. A protected member allows inherited objects to access it. Question 5)