task2
person.hpp
1 #ifndef PERSON_HPP
2 #define PERSON_HPP
3
4 #include<iostream>
5 #include<string>
6 #include<iomanip>
7 using namespace std;
8
9 class Person
10 {
11 private:
12 string name;
13 string telephone;
14 string email;
15 public:
16 Person():name(" "),telephone(" "),email(" "){}
17 Person(string name1,string phone_num,string email1=" "):name(name1),telephone(phone_num),email(email1){}
18
19 void modify_phone_num(string num){telephone=num;}
20 void modify_email(string email1){email=email1;}
21 friend ostream &operator<<(ostream &out,const Person &p);
22 friend istream &operator>>(istream &in,Person &p);
23 friend bool operator==(Person a,Person b);
24
25 };
26
27 ostream &operator<<(ostream &out,const Person &p)
28 {
29 out<<left<<setfill(' ')<<setw(20)<<p.name<<setw(20)<<p.telephone<<setw(20)<<p.email;
30 return out;
31 }
32
33 istream &operator>>(istream &in,Person &p)
34 {
35 getline(in,p.name);
36 getline(in,p.telephone);
37 getline(in,p.email);
38 cin.ignore();
39 return in;
40 }
41
42 bool operator==(Person a,Person b)
43 {
44 return a.name==b.name&&a.telephone==b.telephone;
45 }
46
47 #endif
task2.cpp
1 #include<iostream>
2 #include<string>
3 #include <fstream>
4 #include <vector>
5 #include"person.hpp"
6 using namespace std;
7
8
9 int main()
10 {
11 using namespace std;
12
13 vector<Person> phone_book;
14 Person p;
15
16 while(cin>>p)
17 phone_book.push_back(p);
18
19 for(auto &i: phone_book)
20 cout << i << endl;
21
22 cout << boolalpha << (phone_book.at(0) == phone_book.at(1)) << endl;
23
24 ofstream fout;
25
26 fout.open("phone_book.txt");
27
28 if(!fout.is_open())
29 {
30 cerr << "fail to open file phone_book.txt\n";
31 return 1;
32 }
33
34 for(auto &i: phone_book)
35 fout << i << endl;
36
37 fout.close();
38 }
结果截图
cout << i 会转化成 ostream & operator << ( cout , i )
fout << i 会转化成 ostream & operator << ( fout , i )
task3
1 //=======================
2 // container.h
3 //=======================
4
5 // The so-called inventory of a player in RPG games
6 // contains two items, heal and magic water
7
8 #ifndef _CONTAINER // Conditional compilation
9 #define _CONTAINER
10
11 class container // Inventory
12 {
13 protected:
14 int numOfHeal; // number of heal
15 int numOfMW; // number of magic water
16 public:
17 container(); // constuctor
18 void set(int heal_n, int mw_n); // set the items numbers
19 int nOfHeal(); // get the number of heal
20 int nOfMW(); // get the number of magic water
21 void display(); // display the items;
22 bool useHeal(); // use heal
23 bool useMW(); // use magic water
24 };
25
26 #endif
contain.h
1 //=======================
2 // container.cpp
3 //=======================
4 #include"container.h"
5 #include<iostream>
6 using namespace std;
7 // default constructor initialise the inventory as empty
8 container::container()
9 {
10 set(0,0);
11 }
12
13 // set the item numbers
14 void container::set(int heal_n, int mw_n)
15 {
16 numOfHeal=heal_n;
17 numOfMW=mw_n;
18 }
19
20 // get the number of heal
21 int container::nOfHeal()
22 {
23 return numOfHeal;
24 }
25
26 // get the number of magic water
27 int container::nOfMW()
28 {
29 return numOfMW;
30 }
31
32 // display the items;
33 void container::display()
34 {
35 cout<<"Your bag contains: "<<endl;
36 cout<<"Heal(HP+100): "<<numOfHeal<<endl;
37 cout<<"Magic Water (MP+80): "<<numOfMW<<endl;
38 }
39
40 //use heal
41 bool container::useHeal()
42 {
43 numOfHeal--;
44 return 1; // use heal successfully
45 }
46
47 //use magic water
48 bool container::useMW()
49 {
50 numOfMW--;
51 return 1; // use magic water successfully
52 }
contain.cpp
1 //=======================
2 // player.h
3 //=======================
4
5 // The base class of player
6 // including the general properties and methods related to a character
7
8 #ifndef _PLAYER
9 #define _PLAYER
10
11 #include<iostream>
12 #include <iomanip> // use for setting field width
13 #include <time.h> // use for generating random factor
14 #include "container.h"
15
16 using namespace std;
17 enum job {sw, ar, mg}; /* define 3 jobs by enumerate type
18 sword man, archer, mage */
19 class player
20 {
21 friend void showinfo(player &p1, player &p2);
22 friend class swordsman;
23
24 protected:
25 int HP, HPmax, MP, MPmax, AP, DP, speed, EXP, LV;
26 // General properties of all characters
27 string name; // character name
28 job role; /* character's job, one of swordman, archer and mage,
29 as defined by the enumerate type */
30 container bag; // character's inventory
31
32 public:
33 virtual bool attack(player &p)=0; // normal attack
34 virtual bool specialatt(player &p)=0; //special attack
35 virtual void isLevelUp()=0; // level up judgement
36 /* Attention!
37 These three methods are called "Pure virtual functions".
38 They have only declaration, but no definition.
39 The class with pure virtual functions are called "Abstract class", which can only be used to inherited, but not to constructor objects.
40 The detailed definition of these pure virtual functions will be given in subclasses. */
41
42 void reFill(); // character's HP and MP resume
43 bool death(); // report whether character is dead
44 void isDead(); // check whether character is dead
45 bool useHeal(); // consume heal, irrelevant to job
46 bool useMW(); // consume magic water, irrelevant to job
47 void transfer(player &p); // possess opponent's items after victory
48 void showRole(); // display character's job
49
50 private:
51 bool playerdeath; // whether character is dead, doesn't need to be accessed or inherited
52 };
53
54 #endif
player.h
1 //=======================
2 // player.cpp
3 //=======================
4 #include"player.h"
5
6 // character's HP and MP resume
7 void player::reFill()
8 {
9 HP=HPmax; // HP and MP fully recovered
10 MP=MPmax;
11 }
12
13 // report whether character is dead
14 bool player::death()
15 {
16 return playerdeath;
17 }
18
19 // check whether character is dead
20 void player::isDead()
21 {
22 if(HP<=0) // HP less than 0, character is dead
23 {
24 cout<<name<<" is Dead." <<endl;
25 system("pause");
26 playerdeath=1; // give the label of death value 1
27 }
28 }
29
30 // consume heal, irrelevant to job
31 bool player::useHeal()
32 {
33 if(bag.nOfHeal()>0)
34 {
35 HP=HP+100;
36 if(HP>HPmax) // HP cannot be larger than maximum value
37 HP=HPmax; // so assign it to HPmax, if necessary
38 cout<<name<<" used Heal, HP increased by 100."<<endl;
39 bag.useHeal(); // use heal
40 system("pause");
41 return 1; // usage of heal succeed
42 }
43 else // If no more heal in bag, cannot use
44 {
45 cout<<"Sorry, you don't have heal to use."<<endl;
46 system("pause");
47 return 0; // usage of heal failed
48 }
49 }
50
51 // consume magic water, irrelevant to job
52 bool player::useMW()
53 {
54 if(bag.nOfMW()>0)
55 {
56 MP=MP+100;
57 if(MP>MPmax)
58 MP=MPmax;
59 cout<<name<<" used Magic Water, MP increased by 100."<<endl;
60 bag.useMW();
61 system("pause");
62 return 1; // usage of magic water succeed
63 }
64 else
65 {
66 cout<<"Sorry, you don't have magic water to use."<<endl;
67 system("pause");
68 return 0; // usage of magic water failed
69 }
70 }
71
72 // possess opponent's items after victory
73 void player::transfer(player &p)
74 {
75 cout<<name<<" got"<<p.bag.nOfHeal()<<" Heal, and "<<p.bag.nOfMW()<<" Magic Water."<<endl;
76 system("pause");
77 bag.set(bag.nOfHeal()+p.bag.nOfHeal(),bag.nOfMW()+p.bag.nOfMW());
78 // set the character's bag, get opponent's items
79 }
80
81 // display character's job
82 void player::showRole()
83 {
84 switch(role)
85 {
86 case sw:
87 cout<<"Swordsman";
88 break;
89 case ar:
90 cout<<"Archer";
91 break;
92 case mg:
93 cout<<"Mage";
94 break;
95 default:
96 break;
97 }
98 }
99
100
101 // display character's job
102 void showinfo(player &p1,player &p2)
103 {
104 system("cls");
105 cout<<"##############################################################"<<endl;
106 cout<<"# Player"<<setw(10)<<p1.name<<" LV. "<<setw(3) <<p1.LV
107 <<" # Opponent"<<setw(10)<<p2.name<<" LV. "<<setw(3) <<p2.LV<<" #"<<endl;
108 cout<<"# HP "<<setw(3)<<(p1.HP<=999?p1.HP:999)<<'/'<<setw(3)<<(p1.HPmax<=999?p1.HPmax:999)
109 <<" | MP "<<setw(3)<<(p1.MP<=999?p1.MP:999)<<'/'<<setw(3)<<(p1.MPmax<=999?p1.MPmax:999)
110 <<" # HP "<<setw(3)<<(p2.HP<=999?p2.HP:999)<<'/'<<setw(3)<<(p2.HPmax<=999?p2.HPmax:999)
111 <<" | MP "<<setw(3)<<(p2.MP<=999?p2.MP:999)<<'/'<<setw(3)<<(p2.MPmax<=999?p2.MPmax:999)<<" #"<<endl;
112 cout<<"# AP "<<setw(3)<<(p1.AP<=999?p1.AP:999)
113 <<" | DP "<<setw(3)<<(p1.DP<=999?p1.DP:999)
114 <<" | speed "<<setw(3)<<(p1.speed<=999?p1.speed:999)
115 <<" # AP "<<setw(3)<<(p2.AP<=999?p2.AP:999)
116 <<" | DP "<<setw(3)<<(p2.DP<=999?p2.DP:999)
117 <<" | speed "<<setw(3)<<(p2.speed<=999?p2.speed:999)<<" #"<<endl;
118 cout<<"# EXP"<<setw(7)<<p1.EXP<<" Job: "<<setw(7);
119 p1.showRole();
120 cout<<" # EXP"<<setw(7)<<p2.EXP<<" Job: "<<setw(7);
121 p2.showRole();
122 cout<<" #"<<endl;
123 cout<<"--------------------------------------------------------------"<<endl;
124 p1.bag.display();
125 cout<<"##############################################################"<<endl;
126 }
player.cpp
1 //=======================
2 // swordsman.h
3 //=======================
4
5 // Derived from base class player
6 // For the job Swordsman
7
8 #include "player.h"
9 class swordsman : public player // subclass swordsman publicly inherited from base player
10 {
11 public:
12 swordsman(int lv_in=1, string name_in="Not Given");
13 // constructor with default level of 1 and name of "Not given"
14 void isLevelUp();
15 bool attack (player &p);
16 bool specialatt(player &p);
17 /* These three are derived from the pure virtual functions of base class
18 The definition of them will be given in this subclass. */
19 void AI(player &p); // Computer opponent
20 };
swordsman.h
1 //=======================
2 // swordsman.cpp
3 //=======================
4 #include"swordsman.h"
5 // constructor. default values don't need to be repeated here
6 swordsman::swordsman(int lv_in, string name_in)
7 {
8 role=sw; // enumerate type of job
9 LV=lv_in;
10 name=name_in;
11
12 // Initialising the character's properties, based on his level
13 HPmax=150+8*(LV-1); // HP increases 8 point2 per level
14 HP=HPmax;
15 MPmax=75+2*(LV-1); // MP increases 2 points per level
16 MP=MPmax;
17 AP=25+4*(LV-1); // AP increases 4 points per level
18 DP=25+4*(LV-1); // DP increases 4 points per level
19 speed=25+2*(LV-1); // speed increases 2 points per level
20
21 playerdeath=0;
22 EXP=LV*LV*75;
23 bag.set(lv_in, lv_in);
24 }
25
26 void swordsman::isLevelUp()
27 {
28 if(EXP>=LV*LV*75)
29 {
30 LV++;
31 AP+=4;
32 DP+=4;
33 HPmax+=8;
34 MPmax+=2;
35 speed+=2;
36 cout<<name<<" Level UP!"<<endl;
37 cout<<"HP improved 8 points to "<<HPmax<<endl;
38 cout<<"MP improved 2 points to "<<MPmax<<endl;
39 cout<<"Speed improved 2 points to "<<speed<<endl;
40 cout<<"AP improved 4 points to "<<AP<<endl;
41 cout<<"DP improved 5 points to "<<DP<<endl;
42 system("pause");
43 isLevelUp(); // recursively call this function, so the character can level up multiple times if got enough exp
44 }
45 }
46
47 bool swordsman::attack(player &p)
48 {
49 double HPtemp=0; // opponent's HP decrement
50 double EXPtemp=0; // player obtained exp
51 double hit=1; // attach factor, probably give critical attack
52 srand((unsigned)time(NULL)); // generating random seed based on system time
53
54 // If speed greater than opponent, you have some possibility to do double attack
55 if ((speed>p.speed) && (rand()%100<(speed-p.speed))) // rand()%100 means generates a number no greater than 100
56 {
57 HPtemp=(int)((1.0*AP/p.DP)*AP*5/(rand()%4+10)); // opponent's HP decrement calculated based their AP/DP, and uncertain chance
58 cout<<name<<"'s quick strike hit "<<p.name<<", "<<p.name<<"'s HP decreased "<<HPtemp<<endl;
59 p.HP=int(p.HP-HPtemp);
60 EXPtemp=(int)(HPtemp*1.2);
61 }
62
63 // If speed smaller than opponent, the opponent has possibility to evade
64 if ((speed<p.speed) && (rand()%50<1))
65 {
66 cout<<name<<"'s attack has been evaded by "<<p.name<<endl;
67 system("pause");
68 return 1;
69 }
70
71 // 10% chance give critical attack
72 if (rand()%100<=10)
73 {
74 hit=1.5;
75 cout<<"Critical attack: ";
76 }
77
78 // Normal attack
79 HPtemp=(int)((1.0*AP/p.DP)*AP*5/(rand()%4+10));
80 cout<<name<<" uses bash, "<<p.name<<"'s HP decreases "<<HPtemp<<endl;
81 EXPtemp=(int)(EXPtemp+HPtemp*1.2);
82 p.HP=(int)(p.HP-HPtemp);
83 cout<<name<<" obtained "<<EXPtemp<<" experience."<<endl;
84 EXP=(int)(EXP+EXPtemp);
85 system("pause");
86 return 1; // Attack success
87 }
88
89 bool swordsman::specialatt(player &p)
90 {
91 if(MP<40)
92 {
93 cout<<"You don't have enough magic points!"<<endl;
94 system("pause");
95 return 0; // Attack failed
96 }
97 else
98 {
99 MP-=40; // consume 40 MP to do special attack
100
101 //10% chance opponent evades
102 if(rand()%100<=10)
103 {
104 cout<<name<<"'s leap attack has been evaded by "<<p.name<<endl;
105 system("pause");
106 return 1;
107 }
108
109 double HPtemp=0;
110 double EXPtemp=0;
111 //double hit=1;
112 //srand(time(NULL));
113 HPtemp=(int)(AP*1.2+20); // not related to opponent's DP
114 EXPtemp=(int)(HPtemp*1.5); // special attack provides more experience
115 cout<<name<<" uses leap attack, "<<p.name<<"'s HP decreases "<<HPtemp<<endl;
116 cout<<name<<" obtained "<<EXPtemp<<" experience."<<endl;
117 p.HP=(int)(p.HP-HPtemp);
118 EXP=(int)(EXP+EXPtemp);
119 system("pause");
120 }
121 return 1; // special attack succeed
122 }
123
124 // Computer opponent
125 void swordsman::AI(player &p)
126 {
127 if ((HP<(int)((1.0*p.AP/DP)*p.AP*1.5))&&(HP+100<=1.1*HPmax)&&(bag.nOfHeal()>0)&&(HP>(int)((1.0*p.AP/DP)*p.AP*0.5)))
128 // AI's HP cannot sustain 3 rounds && not too lavish && still has heal && won't be killed in next round
129 {
130 useHeal();
131 }
132 else
133 {
134 if(MP>=40 && HP>0.5*HPmax && rand()%100<=30)
135 // AI has enough MP, it has 30% to make special attack
136 {
137 specialatt(p);
138 p.isDead(); // check whether player is dead
139 }
140 else
141 {
142 if (MP<40 && HP>0.5*HPmax && bag.nOfMW())
143 // Not enough MP && HP is safe && still has magic water
144 {
145 useMW();
146 }
147 else
148 {
149 attack(p); // normal attack
150 p.isDead();
151 }
152 }
153 }
154 }
swordsman.cpp
1 //=======================
2 // main.cpp
3 //=======================
4
5 // main function for the RPG style game
6
7 #include <iostream>
8 #include <string>
9 using namespace std;
10
11 #include "swordsman.h"
12
13
14 int main()
15 {
16 string tempName;
17 bool success=0; //flag for storing whether operation is successful
18 cout <<"Please input player's name: ";
19 cin >>tempName; // get player's name from keyboard input
20 player *human; // use pointer of base class, convenience for polymorphism
21 int tempJob; // temp choice for job selection
22 do
23 {
24 cout <<"Please choose a job: 1 Swordsman, 2 Archer, 3 Mage"<<endl;
25 cin>>tempJob;
26 system("cls"); // clear the screen
27 switch(tempJob)
28 {
29 case 1:
30 human=new swordsman(1,tempName); // create the character with user inputted name and job
31 success=1; // operation succeed
32 break;
33 default:
34 break; // In this case, success=0, character creation failed
35 }
36 }while(success!=1); // so the loop will ask user to re-create a character
37
38 int tempCom; // temp command inputted by user
39 int nOpp=0; // the Nth opponent
40 for(int i=1;nOpp<5;i+=2) // i is opponent's level
41 {
42 nOpp++;
43 system("cls");
44 cout<<"STAGE" <<nOpp<<endl;
45 cout<<"Your opponent, a Level "<<i<<" Swordsman."<<endl;
46 system("pause");
47 swordsman enemy(i, "Warrior"); // Initialise an opponent, level i, name "Junior"
48 human->reFill(); // get HP/MP refill before start fight
49
50 while(!human->death() && !enemy.death()) // no died
51 {
52 success=0;
53 while (success!=1)
54 {
55 showinfo(*human,enemy); // show fighter's information
56 cout<<"Please give command: "<<endl;
57 cout<<"1 Attack; 2 Special Attack; 3 Use Heal; 4 Use Magic Water; 0 Exit Game"<<endl;
58 cin>>tempCom;
59 switch(tempCom)
60 {
61 case 0:
62 cout<<"Are you sure to exit? Y/N"<<endl;
63 char temp;
64 cin>>temp;
65 if(temp=='Y'||temp=='y')
66 return 0;
67 else
68 break;
69 case 1:
70 success=human->attack(enemy);
71 human->isLevelUp();
72 enemy.isDead();
73 break;
74 case 2:
75 success=human->specialatt(enemy);
76 human->isLevelUp();
77 enemy.isDead();
78 break;
79 case 3:
80 success=human->useHeal();
81 break;
82 case 4:
83 success=human->useMW();
84 break;
85 default:
86 break;
87 }
88 }
89 if(!enemy.death()) // If AI still alive
90 enemy.AI(*human);
91 else // AI died
92 {
93 cout<<"YOU WIN"<<endl;
94 human->transfer(enemy); // player got all AI's items
95 }
96 if (human->death())
97 {
98 system("cls");
99 cout<<endl<<setw(50)<<"GAME OVER"<<endl;
100 delete human; // player is dead, program is getting to its end, what should we do here?
101 system("pause");
102 return 0;
103 }
104 }
105 }
106 delete human; // You win, program is getting to its end, what should we do here?
107 system("cls");
108 cout<<"Congratulations! You defeated all opponents!!"<<endl;
109 system("pause");
110 return 0;
111 }
112
main.cpp
结果截图