task4:
源代码：
1 #include <iostream>
2 #include<cstring>
3 using namespace std;
4 class MachinePets{
5 private:
6 string nickname;
7 public:
8 MachinePets(const string s)
9 {
10 nickname=s;
11 }
12 string get_nickname() const
13 {
14 return nickname;
15 }
16 virtual string talk()=0;
17 };
18 class PetCats:public MachinePets{
19 public:
20 PetCats(const string s):MachinePets(s){
21 }
22 string talk(){
23 return "miaodayo!";
24 }
25
26 };
27 class PetDogs:public MachinePets{
28 public:
29 PetDogs(const string s):MachinePets(s){
30 }
31 string talk(){
32 return "wang wang";
33 }
34
35 };
运行结果：
task5:
源代码：
1 #include<cstring>
2 #include <iostream>
3 using namespace std;
4 class Person{
5 private:
6 string name,telephone,email;
7 public:
8 Person(){
9 }
10 Person(string a,string b,string c="")
11 {
12 name=a;
13 telephone=b;
14 email=c;
15 }
16 Person(const Person &ss)
17 {
18 name=ss.name;
19 telephone=ss.telephone;
20 email=ss.email;
21 }
22 void update_telephone(){
23 cin.clear();
24 string t1;
25 cout << "Enter the telephone number:";
26 cin >> t1;
27 this->telephone = t1;
28 cout << "telephone number has been updated..." << endl;
29 }
30 void update_email(){
31 cin.clear();
32 string e1;
33 cout << "Enter the email address:";
34 cin >> e1;
35 this->email = e1;
36 cout << "email address has been updated..." << endl;
37 }
38 friend std::ostream& operator<<(std::ostream &out,const Person &c);
39 friend std::istream& operator>>(std::istream &in,Person &c);
40 friend bool operator==(const Person &yi,const Person &er);
41 };
42 bool operator==(const Person &yi,const Person &er)
43 {
44 return yi.name==er.name&&yi.telephone==er.telephone&&yi.email==er.email;
45 }
46 std::ostream& operator<<(std::ostream &out,const Person &c){
47 out << c.name <<"\t" << c.telephone << "\t" << c.email;
48 return out;
49 }
50 std::istream& operator>>(std::istream &in,Person &c){
51 in >> c.name >> c.telephone >> c.email;
52 return in;
53 }
运行结果：
task6:
源代码：
container.cpp
1 //=======================
2 // container.cpp
3 //=======================
4
5 // default constructor initialise the inventory as empty
6 #include "container.h"
7 #include <iostream>
8
9 using namespace std;
10
11 container::container()
12 {
13 set(0,0);
14 }
15
16 // set the item numbers
17 void container::set(int heal_n, int mw_n)
18 {
19 numOfHeal=heal_n;
20 numOfMW=mw_n;
21 }
22
23 // get the number of heal
24 int container::nOfHeal()
25 {
26 return numOfHeal;
27 }
28
29 // get the number of magic water
30 int container::nOfMW()
31 {
32 return numOfMW;
33 }
34
35 // display the items;
36 void container::display()
37 {
38 cout<<"Your bag contains: "<<endl;
39 cout<<"Heal(HP+100): "<<numOfHeal<<endl;
40 cout<<"Magic Water (MP+80): "<<numOfMW<<endl;
41 }
42
43 //use heal
44 bool container::useHeal()
45 {
46 numOfHeal--;
47 return 1; // use heal successfully
48 }
49
50 //use magic water
51 bool container::useMW()
52 {
53 numOfMW--;
54 return 1; // use magic water successfully
55 }
container.h
1 #pragma once
2 //=======================
3 // container.h
4 //=======================
5
6 // The so-called inventory of a player in RPG games
7 // contains two items, heal and magic water
8
9 #ifndef _CONTAINER // Conditional compilation
10 #define _CONTAINER
11
12 class container // Inventory
13 {
14 protected:
15 int numOfHeal; // number of heal
16 int numOfMW; // number of magic water
17 public:
18 container(); // constuctor
19 void set(int heal_n, int mw_n); // set the items numbers
20 int nOfHeal(); // get the number of heal
21 int nOfMW(); // get the number of magic water
22 void display(); // display the items;
23 bool useHeal(); // use heal
24 bool useMW(); // use magic water
25 };
26
27 #endif
main.cpp
1 //=======================
2 // main.cpp
3 //=======================
4
5 // main function for the RPG style game
6
7 #include <iostream>
8 #include <string>
9 #include "swordsman.h"
10 using namespace std;
11 int main()
12 {
13 string tempName;
14 bool success=0; //flag for storing whether operation is successful
15 cout <<"Please input player's name: ";
16 cin >>tempName; // get player's name from keyboard input
17 player *human; // use pointer of base class, convenience for polymorphism
18 int tempJob; // temp choice for job selection
19 do
20 {
21 cout <<"Please choose a job: 1 Swordsman, 2 Archer, 3 Mage"<<endl;
22 cin>>tempJob;
23 system("cls"); // clear the screen
24 switch(tempJob)
25 {
26 case 1:
27 human=new swordsman(1,tempName); // create the character with user inputted name and job
28 success=1; // operation succeed
29 break;
30 default:
31 break; // In this case, success=0, character creation failed
32 }
33 }while(success!=1); // so the loop will ask user to re-create a character
34
35 int tempCom; // temp command inputted by user
36 int nOpp=0; // the Nth opponent
37 for(int i=1;nOpp<5;i+=2) // i is opponent's level
38 {
39 nOpp++;
40 system("cls");
41 cout<<"STAGE" <<nOpp<<endl;
42 cout<<"Your opponent, a Level "<<i<<" Swordsman."<<endl;
43 system("pause");
44 swordsman enemy(i, "Warrior"); // Initialise an opponent, level i, name "Junior"
45 human->reFill(); // get HP/MP refill before start fight
46
47 while(!human->death() && !enemy.death()) // no died
48 {
49 success=0;
50 while (success!=1)
51 {
52 showinfo(*human,enemy); // show fighter's information
53 cout<<"Please give command: "<<endl;
54 cout<<"1 Attack; 2 Special Attack; 3 Use Heal; 4 Use Magic Water; 0 Exit Game"<<endl;
55 cin>>tempCom;
56 switch(tempCom)
57 {
58 case 0:
59 cout<<"Are you sure to exit? Y/N"<<endl;
60 char temp;
61 cin>>temp;
62 if(temp=='Y'||temp=='y')
63 return 0;
64 else
65 break;
66 case 1:
67 success=human->attack(enemy);
68 human->isLevelUp();
69 enemy.isDead();
70 break;
71 case 2:
72 success=human->specialatt(enemy);
73 human->isLevelUp();
74 enemy.isDead();
75 break;
76 case 3:
77 success=human->useHeal();
78 break;
79 case 4:
80 success=human->useMW();
81 break;
82 default:
83 break;
84 }
85 }
86 if(!enemy.death()) // If AI still alive
87 enemy.AI(*human);
88 else // AI died
89 {
90 cout<<"YOU WIN"<<endl;
91 human->transfer(enemy); // player got all AI's items
92 }
93 if (human->death())
94 {
95 system("cls");
96 cout<<endl<<setw(50)<<"GAME OVER"<<endl;
97 delete human; // player is dead, program is getting to its end, what should we do here?
98 system("pause");
99 return 0;
100 }
101 }
102 }
103 delete human; // You win, program is getting to its end, what should we do here?
104 system("cls");
105 cout<<"Congratulations! You defeated all opponents!!"<<endl;
106 system("pause");
107 return 0;
108 }
109
player.cpp
1 //=======================
2 // player.cpp
3 //=======================
4
5
6 // character's HP and MP resume
7 #include "player.h"
8 #include <iostream>
9
10 using namespace std;
11
12 void player::reFill()
13 {
14 HP=HPmax; // HP and MP fully recovered
15 MP=MPmax;
16 }
17
18 // report whether character is dead
19 bool player::death()
20 {
21 return playerdeath;
22 }
23
24 // check whether character is dead
25 void player::isDead()
26 {
27 if(HP<=0) // HP less than 0, character is dead
28 {
29 cout<<name<<" is Dead." <<endl;
30 system("pause");
31 playerdeath=1; // give the label of death value 1
32 }
33 }
34
35 // consume heal, irrelevant to job
36 bool player::useHeal()
37 {
38 if(bag.nOfHeal()>0)
39 {
40 HP=HP+100;
41 if(HP>HPmax) // HP cannot be larger than maximum value
42 HP=HPmax; // so assign it to HPmax, if necessary
43 cout<<name<<" used Heal, HP increased by 100."<<endl;
44 bag.useHeal(); // use heal
45 system("pause");
46 return 1; // usage of heal succeed
47 }
48 else // If no more heal in bag, cannot use
49 {
50 cout<<"Sorry, you don't have heal to use."<<endl;
51 system("pause");
52 return 0; // usage of heal failed
53 }
54 }
55
56 // consume magic water, irrelevant to job
57 bool player::useMW()
58 {
59 if(bag.nOfMW()>0)
60 {
61 MP=MP+100;
62 if(MP>MPmax)
63 MP=MPmax;
64 cout<<name<<" used Magic Water, MP increased by 100."<<endl;
65 bag.useMW();
66 system("pause");
67 return 1; // usage of magic water succeed
68 }
69 else
70 {
71 cout<<"Sorry, you don't have magic water to use."<<endl;
72 system("pause");
73 return 0; // usage of magic water failed
74 }
75 }
76
77 // possess opponent's items after victory
78 void player::transfer(player &p)
79 {
80 cout<<name<<" got"<<p.bag.nOfHeal()<<" Heal, and "<<p.bag.nOfMW()<<" Magic Water."<<endl;
81 system("pause");
82 bag.set(bag.nOfHeal()+p.bag.nOfHeal(),bag.nOfMW()+p.bag.nOfMW());
83 // set the character's bag, get opponent's items
84 }
85
86 // display character's job
87 void player::showRole()
88 {
89 switch(role)
90 {
91 case sw:
92 cout<<"Swordsman";
93 break;
94 case ar:
95 cout<<"Archer";
96 break;
97 case mg:
98 cout<<"Mage";
99 break;
100 default:
101 break;
102 }
103 }
104
105
106 // display character's job
107 void showinfo(player &p1, player &p2)
108 {
109 system("cls");
110 cout<<"##############################################################"<<endl;
111 cout<<"# Player"<<setw(10)<<p1.name<<" LV. "<<setw(3) <<p1.LV
112 <<" # Opponent"<<setw(10)<<p2.name<<" LV. "<<setw(3) <<p2.LV<<" #"<<endl;
113 cout<<"# HP "<<setw(3)<<(p1.HP<=999?p1.HP:999)<<'/'<<setw(3)<<(p1.HPmax<=999?p1.HPmax:999)
114 <<" | MP "<<setw(3)<<(p1.MP<=999?p1.MP:999)<<'/'<<setw(3)<<(p1.MPmax<=999?p1.MPmax:999)
115 <<" # HP "<<setw(3)<<(p2.HP<=999?p2.HP:999)<<'/'<<setw(3)<<(p2.HPmax<=999?p2.HPmax:999)
116 <<" | MP "<<setw(3)<<(p2.MP<=999?p2.MP:999)<<'/'<<setw(3)<<(p2.MPmax<=999?p2.MPmax:999)<<" #"<<endl;
117 cout<<"# AP "<<setw(3)<<(p1.AP<=999?p1.AP:999)
118 <<" | DP "<<setw(3)<<(p1.DP<=999?p1.DP:999)
119 <<" | speed "<<setw(3)<<(p1.speed<=999?p1.speed:999)
120 <<" # AP "<<setw(3)<<(p2.AP<=999?p2.AP:999)
121 <<" | DP "<<setw(3)<<(p2.DP<=999?p2.DP:999)
122 <<" | speed "<<setw(3)<<(p2.speed<=999?p2.speed:999)<<" #"<<endl;
123 cout<<"# EXP"<<setw(7)<<p1.EXP<<" Job: "<<setw(7);
124 p1.showRole();
125 cout<<" # EXP"<<setw(7)<<p2.EXP<<" Job: "<<setw(7);
126 p2.showRole();
127 cout<<" #"<<endl;
128 cout<<"--------------------------------------------------------------"<<endl;
129 p1.bag.display();
130 cout<<"##############################################################"<<endl;
131 }
player.h
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 <iomanip> // use for setting field width
12 #include <time.h> // use for generating random factor
13 #include <string>
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
swordsman.cpp
1 //=======================
2 // swordsman.cpp
3 //=======================
4 // constructor. default values don't need to be repeated here
5 #include "swordsman.h"
6 #include <iostream>
7
8 using namespace std;
9 swordsman::swordsman(int lv_in, string name_in)
10 {
11 role=sw; // enumerate type of job
12 LV=lv_in;
13 name=name_in;
14
15 // Initialising the character's properties, based on his level
16 HPmax=150+8*(LV-1); // HP increases 8 point2 per level
17 HP=HPmax;
18 MPmax=75+2*(LV-1); // MP increases 2 points per level
19 MP=MPmax;
20 AP=25+4*(LV-1); // AP increases 4 points per level
21 DP=25+4*(LV-1); // DP increases 4 points per level
22 speed=25+2*(LV-1); // speed increases 2 points per level
23
24 playerdeath=0;
25 EXP=LV*LV*75;
26 bag.set(lv_in, lv_in);
27 }
28
29 void swordsman::isLevelUp()
30 {
31 if(EXP>=LV*LV*75)
32 {
33 LV++;
34 AP+=4;
35 DP+=4;
36 HPmax+=8;
37 MPmax+=2;
38 speed+=2;
39 cout<<name<<" Level UP!"<<endl;
40 cout<<"HP improved 8 points to "<<HPmax<<endl;
41 cout<<"MP improved 2 points to "<<MPmax<<endl;
42 cout<<"Speed improved 2 points to "<<speed<<endl;
43 cout<<"AP improved 4 points to "<<AP<<endl;
44 cout<<"DP improved 5 points to "<<DP<<endl;
45 system("pause");
46 isLevelUp(); // recursively call this function, so the character can level up multiple times if got enough exp
47 }
48 }
49
50 bool swordsman::attack(player &p)
51 {
52 double HPtemp=0; // opponent's HP decrement
53 double EXPtemp=0; // player obtained exp
54 double hit=1; // attach factor, probably give critical attack
55 srand((unsigned)time(NULL)); // generating random seed based on system time
56
57 // If speed greater than opponent, you have some possibility to do double attack
58 if ((speed>p.speed) && (rand()%100<(speed-p.speed))) // rand()%100 means generates a number no greater than 100
59 {
60 HPtemp=(int)((1.0*AP/p.DP)*AP*5/(rand()%4+10)); // opponent's HP decrement calculated based their AP/DP, and uncertain chance
61 cout<<name<<"'s quick strike hit "<<p.name<<", "<<p.name<<"'s HP decreased "<<HPtemp<<endl;
62 p.HP=int(p.HP-HPtemp);
63 EXPtemp=(int)(HPtemp*1.2);
64 }
65
66 // If speed smaller than opponent, the opponent has possibility to evade
67 if ((speed<p.speed) && (rand()%50<1))
68 {
69 cout<<name<<"'s attack has been evaded by "<<p.name<<endl;
70 system("pause");
71 return 1;
72 }
73
74 // 10% chance give critical attack
75 if (rand()%100<=10)
76 {
77 hit=1.5;
78 cout<<"Critical attack: ";
79 }
80
81 // Normal attack
82 HPtemp=(int)((1.0*AP/p.DP)*AP*5/(rand()%4+10));
83 cout<<name<<" uses bash, "<<p.name<<"'s HP decreases "<<HPtemp<<endl;
84 EXPtemp=(int)(EXPtemp+HPtemp*1.2);
85 p.HP=(int)(p.HP-HPtemp);
86 cout<<name<<" obtained "<<EXPtemp<<" experience."<<endl;
87 EXP=(int)(EXP+EXPtemp);
88 system("pause");
89 return 1; // Attack success
90 }
91
92 bool swordsman::specialatt(player &p)
93 {
94 if(MP<40)
95 {
96 cout<<"You don't have enough magic points!"<<endl;
97 system("pause");
98 return 0; // Attack failed
99 }
100 else
101 {
102 MP-=40; // consume 40 MP to do special attack
103
104 //10% chance opponent evades
105 if(rand()%100<=10)
106 {
107 cout<<name<<"'s leap attack has been evaded by "<<p.name<<endl;
108 system("pause");
109 return 1;
110 }
111
112 double HPtemp=0;
113 double EXPtemp=0;
114 //double hit=1;
115 //srand(time(NULL));
116 HPtemp=(int)(AP*1.2+20); // not related to opponent's DP
117 EXPtemp=(int)(HPtemp*1.5); // special attack provides more experience
118 cout<<name<<" uses leap attack, "<<p.name<<"'s HP decreases "<<HPtemp<<endl;
119 cout<<name<<" obtained "<<EXPtemp<<" experience."<<endl;
120 p.HP=(int)(p.HP-HPtemp);
121 EXP=(int)(EXP+EXPtemp);
122 system("pause");
123 }
124 return 1; // special attack succeed
125 }
126
127 // Computer opponent
128 void swordsman::AI(player &p)
129 {
130 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)))
131 // AI's HP cannot sustain 3 rounds && not too lavish && still has heal && won't be killed in next round
132 {
133 useHeal();
134 }
135 else
136 {
137 if(MP>=40 && HP>0.5*HPmax && rand()%100<=30)
138 // AI has enough MP, it has 30% to make special attack
139 {
140 specialatt(p);
141 p.isDead(); // check whether player is dead
142 }
143 else
144 {
145 if (MP<40 && HP>0.5*HPmax && bag.nOfMW())
146 // Not enough MP && HP is safe && still has magic water
147 {
148 useMW();
149 }
150 else
151 {
152 attack(p); // normal attack
153 p.isDead();
154 }
155 }
156 }
157 }
swordsman.h
1 #pragma once
2 //=======================
3 // swordsman.h
4 //=======================
5
6 // Derived from base class player
7 // For the job Swordsman
8
9 #include "player.h"
10 class swordsman : public player // subclass swordsman publicly inherited from base player
11 {
12 public:
13 swordsman(int lv_in=1, string name_in="Not Given");
14 // constructor with default level of 1 and name of "Not given"
15 void isLevelUp();
16 bool attack (player &p);
17 bool specialatt(player &p);
18 /* These three are derived from the pure virtual functions of base class
19 The definition of them will be given in this subclass. */
20 void AI(player &p); // Computer opponent
21 };
运行结果：
标签：string,int,HP,player,实验,include,void From： https://www.cnblogs.com/git-porn-hub/p/16937239.html