1. 实验任务1
task1_1.cpp
1 #include <iostream>
2 using namespace std;
3
4 class A {
5 public:
6 A(int x0, int y0);
7 void display()const;
8 private:
9 int x, y;
10 };
11 A::A(int x0,int y0):x{x0},y{y0}{}
12 void A::display()const {
13 cout << x << "," << y << endl;
14 }
15
16 class B {
17 public:
18 B(double x0, double y0);
19 void diaplay()const;
20 private:
21 double x, y;
22 };
23 B::B(double x0, double y0) :x{ x0 }, y{ y0 } {}
24 void B::diaplay()const {
25 cout << x << "," << y << endl;
26 }
27 void test() {
28 cout << "测试类A：" << endl;
29 A a(3, 4);
30 a.display();
31 cout << "测试类B：" << endl;
32 B b(3.2, 5.6);
33 b.diaplay();
34 }
35 int main() {
36 test();
37 }
View Code
1 #include<iostream>
2 #include<string>
3 using namespace std;
4
5 template<typename T>
6 class X {
7 public:
8 X(T x0, T y0);
9 void display();
10 private:
11 T x, y;
12 };
13 template <typename T>
14 X<T>::X(T x0, T y0) :x{ x0 }, y{ y0 } {}
15
16 template <typename T>
17 void X<T>::display() {
18 cout << x << ", " << y << endl;
19 }
20
21
22 void test() {
23 cout << "测试1: 类模板X中的抽象类型T用int实例化" << endl;
24 X<int> x1(3, 4);
25 x1.display();
26 cout << endl;
27 cout << "测试2: 类模板X中的抽象类型T用double实例化" << endl;
28 X<double> x2(3.2, 5.6);
29 x2.display();
30 cout << endl;
31 cout << "测试3: 类模板X中的抽象类型T用string实例化" << endl;
32 X<string> x3("hello", "oop");
33 x3.display();
34 }
35 int main() {
36 test();
37 }
View Code
2. 实验任务2 GradeCalc.hpp
1 #include<iostream>
2 #include<vector>
3 #include<string>
4 #include<algorithm>
5 #include<numeric>
6 #include<iomanip>
7
8 using std::vector;
9 using std::string;
10 using std::cin;
11 using std::cout;
12 using std::endl;
13
14 class GradeCalc :public vector<int> {
15 public:
16 GradeCalc(const string& cname, int size);
17 void input();
18 void output() const;
19 void sort(bool ascending = false);
20 int min()const;
21 int max()const;
22 float average()const;
23 void info();
24 private:
25 void compute();//成绩统计
26
27 private:
28 string course_name;
29 int n;
30 vector<int>counts = vector<int>(5, 0);// 保存各分数段人数（[0,60), [60, 70), [70, 80), [80, 90), [90, 100]
31 vector<double> rates = vector<double>(5, 0); // 保存各分数段比例
32 };
33 GradeCalc::GradeCalc(const string &cname,int size):course_name{cname},n{size}{}
34
35 void GradeCalc::input() {
36 int grade;
37
38 for (int i = 0; i < n; i++) {
39 cin >> grade;
40 this->push_back(grade);
41 }
42 }
43
44 void GradeCalc::output()const {
45 for (auto ptr = this->begin(); ptr != this->end(); ptr++)
46 cout << *ptr << " ";
47 cout << endl;
48 }
49
50 void GradeCalc::sort(bool ascending) {
51 if (ascending)
52 std::sort(this->begin(), this->end());
53 else
54 std::sort(this->begin(), this->end(), std::greater<int>());
55 }
56
57 int GradeCalc::min()const {
58 return *std::min_element(this->begin(), this->end());
59 }
60
61 int GradeCalc::max()const {
62 return *std::max_element(this->begin(), this->end());
63 }
64
65 float GradeCalc::average()const {
66 return std::accumulate(this->begin(), this->end(), 0) * 1.0 / n;
67 }
68
69 void GradeCalc::compute() {
70 for (int grade : *this) {
71 if (grade < 60)
72 counts.at(0)++;
73 else if (grade >= 60 && grade < 70)
74 counts.at(1)++;
75 else if (grade >= 70 && grade < 80)
76 counts.at(2)++;
77 else if (grade >= 80 && grade < 90)
78 counts.at(3)++;
79 else if (grade >= 90)
80 counts.at(4)++;
81 }
82 for (int i = 0; i < rates.size(); ++i)
83 rates.at(i) = counts.at(i) * 1.0 / n;
84 }
85
86 void GradeCalc::info() {
87 cout << "课程名称:\t" << course_name << endl;
88 cout << "排序后成绩: \t";
89 sort(); output();
90 cout << "最高分:\t" << max() << endl;
91 cout << "最低分:\t" << min() << endl;
92 cout << "平均分:\t" << std::fixed << std::setprecision(2) <<
93 average() << endl;
94 compute(); // 统计各分数段人数、比例
95 vector<string> tmp{ "[0, 60) ", "[60, 70)", "[70, 80)","[80, 90)",
96 "[90, 100]" };
97 for (int i = tmp.size() - 1; i >= 0; --i)
98 cout << tmp[i] << "\t: " << counts[i] << "人\t"
99 << std::fixed << std::setprecision(2) << rates[i] * 100 <<
100 "%" << endl;
101 }
View Code
task2.cpp
1 #include"GradeCalc.hpp"
2 #include<iomanip>
3
4 void test() {
5 int n;
6 cout << "输入班级人数:";
7 cin >> n;
8
9 GradeCalc c1("oop", n);
10
11 cout << "录入成绩: " << endl;;
12 c1.input();
13 cout << "输出成绩: " << endl;
14 c1.output();
15
16 cout<<string (20,'*')+"课程成绩信息" + string(20, '*') << endl;
17 c1.info();
18 }
19 int main() {
20 test();
21 }
View Code
1 #include <iostream>
2 #include <vector>
3 #include <string>
4 #include <algorithm>
5 #include <numeric>
6 #include <iomanip>
7 using std::vector;
8 using std::string;
9 using std::cin;
10 using std::cout;
11 using std::endl;
12 class GradeCalc {
13 public:
14 GradeCalc(const string& cname, int size);
15 void input(); // 录入成绩
16 void output() const; // 输出成绩
17 void sort(bool ascending = false); // 排序 (默认降序)
18 int min() const; // 返回最低分
19 int max() const; // 返回最高分
20 float average() const; // 返回平均分
21 void info(); // 输出课程成绩信息
22 private:
23 void compute(); // 成绩统计
24 private:
25 string course_name; // 课程名
26 int n; // 课程人数
27 vector<int> grades; // 课程成绩
28 vector<int> counts = vector<int>(5, 0); // 保存各分数段人数（[0,60), [60, 70), [70, 80), [80, 90), [90, 100]
29 vector<double> rates = vector<double>(5, 0); // 保存各分数段比例
30 };
31 GradeCalc::GradeCalc(const string& cname, int size) :
32 course_name{ cname }, n{ size } {}
33 void GradeCalc::input() {
34 int grade;
35 for (int i = 0; i < n; ++i) {
36 cin >> grade;
37 grades.push_back(grade);
38 }
39 }
40 void GradeCalc::output() const {
41 for (int grade : grades)
42 cout << grade << " ";
43 cout << endl;
44 }
45 void GradeCalc::sort(bool ascending) {
46 if (ascending)
47 std::sort(grades.begin(), grades.end());
48 else
49 std::sort(grades.begin(), grades.end(), std::greater<int>());
50 }
51 int GradeCalc::min() const {
52 return *std::min_element(grades.begin(), grades.end());
53 }
54 int GradeCalc::max() const {
55 return *std::max_element(grades.begin(), grades.end());
56 }
57 float GradeCalc::average() const {
58 return std::accumulate(grades.begin(), grades.end(), 0) * 1.0 / n;
59 }
60 void GradeCalc::compute() {
61 for (int grade : grades) {
62 if (grade < 60)
63 counts.at(0)++;
64 else if (grade >= 60 && grade < 70)
65 counts.at(1)++;
66 else if (grade >= 70 && grade < 80)
67 counts.at(2)++;
68 else if (grade >= 80 && grade < 90)
69 counts.at(3)++;
70 else if (grade >= 90)
71 counts.at(4)++;
72 }
73 for (int i = 0; i < rates.size(); ++i)
74 rates.at(i) = counts.at(i) * 1.0 / n;
75 }
76 void GradeCalc::info() {
77 cout << "课程名称:\t" << course_name << endl;
78 cout << "排序后成绩: \t";
79 sort(); output();
80 cout << "最高分:\t" << max() << endl;
81 cout << "最低分:\t" << min() << endl;
82 cout << "平均分:\t" << std::fixed << std::setprecision(2) <<average() << endl;
83 compute(); // 统计各分数段人数、比例
84 vector<string> tmp{ "[0, 60) ", "[60, 70)", "[70, 80)","[80, 90)","[90, 100]" };
85 for (int i = tmp.size() - 1; i >= 0; --i)
86 cout << tmp[i] << "\t: " << counts[i] << "人\t"
87 << std::fixed << std::setprecision(2) << rates[i] * 100 <<"%" << endl;
88 }
View Code
task3.cpp
1 #include "GradeCalc.hpp"
2 #include <iomanip>
3 void test() {
4 int n;
5 cout << "输入班级人数: ";
6 cin >> n;
7 GradeCalc c1("OOP", n);
8 cout << "录入成绩: " << endl;;
9 c1.input();
10 cout << "输出成绩: " << endl;
11 c1.output();
12 cout << string(20, '*') + "课程成绩信息" + string(20, '*') << endl;
13 c1.info();
14 }
15 int main() {
16 test();
17 }
View Code
1 #include<iostream>
2 #include<string>
3 #include<limits>
4
5 using namespace std;
6
7 void test1() {
8 string s1, s2;
9 cin >> s1 >> s2;
10 cout << "s1:" << s1 << endl;// cin: 从输入流读取字符串, 碰到空白符(空格/回车/Tab)即结束
11 cout << "s2:" << s2 << endl;
12
13 }
14
15 void test2() {
16 string s1, s2;
17 getline(cin, s1);
18 getline(cin, s2);
19 cout << "s1:" << s1 << endl;// getline(): 从输入流中提取字符串，直到遇到换行符
20 cout << "s2:" << s2 << endl;
21 }
22
23 void test3() {
24 string s1, s2;
25 getline(cin, s1, ' ');//从输入流中提取字符串，直到遇到指定分隔符
26 getline(cin, s2);
27 cout << "s1: " << s1 << endl;
28 cout << "s2: " << s2 << endl;
29
30 }
31
32 int main() {
33 cout << "测试1: 使用标准输入流对象cin输入字符串" << endl;
34 test1();
35 cout << endl;
36
37 cin.ignore(numeric_limits<streamsize>::max(), '\n');
38
39 cout << "测试2: 使用函数getline()输入字符串" << endl;
40 test2();
41 cout << endl;
42 cout << "测试3: 使用函数getline()输入字符串, 指定字符串分隔符" << endl;
43 test3();
44 }
View Code
task4_2.cpp
1 #include<iostream>
2 #include<string>
3 #include<vector>
4 #include<limits>
5 using namespace std;
6 void output(const vector<string>& v) {
7 for (auto& s : v)
8 cout << s << endl;
9 }
10
11 void test() {
12 int n;
13 while (cout << "Enter n: ", cin >> n) {
14 vector<string>v1;
15
16 for (int i = 0; i < n; i++) {
17 string s;
18 cin >> s;
19 v1.push_back(s);
20 }
21
22 cout << "output v1: " << endl;
23 output(v1);
24 cout << endl;
25 }
26 }
27 int main() {
28 cout << "测试: 使用cin多组输入字符串" << endl;
29 test();
30 }
View Code
1 #include<iostream>
2 #include<string>
3 #include<vector>
4 #include<limits>
5
6 using namespace std;
7
8 void output(const vector<string> &v) {
9 for (auto& s : v)
10 cout << s << endl;
11 }
12
13 void test() {
14 int n;
15 while (cout << "Enter n: ", cin >> n) {
16 cin.ignore(numeric_limits<streamsize>::max(), '\n');
17
18 vector<string>v2;
19
20 for (int i = 0; i < n; i++) {
21 string s;
22 getline(cin, s);
23 v2.push_back(s);
24 }
25 cout << "output v2: " << endl;
26 output(v2);
27 cout << endl;
28 }
29 }
30 int main() {
31 cout << "测试: 使用函数getline()多组输入字符串" << endl;
32 test();
33 }
View Code
问题2：去掉task4_3.cpp的line16，重新编译、运行，给出此时运行结果。查阅资料，回答line16 在这里的用途是什么？ 持续忽略字符直到\n出现。有时，输入一些数据后，输入流会残余一些不需要的字符，如果不清理这些字符，下一次cin可能会输入无用字符导致结果错误。 这里起到了清理cin<<n后‘ ’的作用
task5
grm.hpp
1 #include<iostream>
2 #include<string>
3 using namespace std;
4
5 template<typename T>
6 class GameResourceManager {
7 public:
8 GameResourceManager(T x0);
9 T get();
10 void update(T x1);
11
12 private:
13 T x;
14
15 };
16
17 template<typename T>
18 GameResourceManager<T>::GameResourceManager(T x0) :x{ x0 } {}
19
20 template<typename T>
21 T GameResourceManager<T>::get() {
22 if (x < 0)return 0;
23 else return x;
24 }
25
26 template<typename T>
27 void GameResourceManager<T>::update(T x1) {
28 x += x1;
29 }
View Code
task5.cpp
1 #include "grm.hpp"
2 #include <iostream>
3 using std::cout;
4 using std::endl;
5 void test1() {
6 GameResourceManager<float> HP_manager(99.99);
7 cout << "当前生命值: " << HP_manager.get() << endl;
8 HP_manager.update(9.99);
9 cout << "增加9.99生命值后, 当前生命值: " << HP_manager.get() << endl;
10 HP_manager.update(-999.99);
11 cout << "减少999.99生命值后, 当前生命值: " << HP_manager.get() << endl;
12 }
13 void test2() {
14 GameResourceManager<int> Gold_manager(100);
15 cout << "当前金币数量: " << Gold_manager.get() << endl;
16 Gold_manager.update(50);
17 cout << "增加50个金币后, 当前金币数量: " << Gold_manager.get() << endl;
18 Gold_manager.update(-99);
19 cout << "减少99个金币后, 当前金币数量: " << Gold_manager.get() << endl;
20 }
21 int main() {
22 cout << "测试1: 用float类型对类模板GameResourceManager实例化" << endl;
23 test1();
24 cout << endl;
25 cout << "测试2: 用int类型对类模板GameResourceManager实例化" << endl;
26 test2();
27 }
View Code
task6
info.hpp
1 #include<iostream>
2 #include<string>
3 #include<vector>
4 using namespace std;
5
6 class Info {
7 public:
8 Info(string nick, string con,string c,int n):nickname{nick},contact{con},city{c},num{n}{}
9 void display()const {
10 cout << "nickname:" <<"\t: "<< nickname << endl << "contact:" << "\t: "<<contact << endl << "city:" <<"\t: "<< city << endl << "num" << "\t: "<<num << endl;
11 }
12 private:
13 string nickname;
14 string contact;
15 string city;
16 int num;
17
18 };
View Code
task6.cpp
1 #include <iostream>
2 #include <vector>
3 #include <string>
4 #include "info.hpp"
5
6 using namespace std;
7
8 const int capacity = 100;
9 vector<Info>audience_lst;
10
11
12 int main() {
13 int current_capacity = capacity; // 当前剩余的座位数
14
15 while (true) {
16
17 string nickname, contact, city;
18 int n;
19
20 // 输入信息
21 cout << "请输入昵称: ";
22 getline(cin, nickname);
23 if (nickname.empty()) break; // 如果输入为空，退出
24
25 cout << "请输入联系方式 (Email 或 手机号): ";
26 getline(cin, contact);
27
28 cout << "请输入所在城市: ";
29 getline(cin, city);
30
31 cout << "请输入预定参加人数: ";
32 cin >> n;
33 cin.ignore(); // 忽略换行符，防止影响下一次输入
34
35 // 检查预定人数是否超出剩余容量
36 if (n > current_capacity) {
37 cout << "只剩下 " << current_capacity << "个名额了。 " << endl << "1.输入u，更新信息" << endl << "2.输入q，退出预定" << endl;
38 char choice;
39 cin >> choice;
40 cin.ignore(numeric_limits<streamsize>::max(), '\n');
41
42 if (choice == 'q') {
43 break; // 退出
44 }
45 else if (choice == 'u') {
46 // 更新信息
47 cout << "请输入新的预定人数: ";
48 cin >> n;
49 cin.ignore(numeric_limits<streamsize>::max(), '\n');
50 if (n > current_capacity) {
51 cout << "预定人数依然超出剩余容量 " << current_capacity << endl;
52 continue;
53 }
54 }
55 }
56
57 // 如果预约成功，添加到 audience_lst 中
58 audience_lst.push_back(Info(nickname, contact, city, n));
59 current_capacity -= n;
60
61 // 如果已经预约满额，提示用户并退出
62 if (current_capacity <= 0) {
63 cout << "预约已满，无法继续预约！\n";
64 break;
65 }
66 }
67 // 显示所有预约的听众信息
68 cout << "截至目前共有" << 100 - current_capacity << "位听众预约。预约听众信息如下：" << endl << string(20, '*') << endl;
69 for (const auto& audience : audience_lst) {
70 audience.display();
71 cout << string(20, '*') << endl;
72 }
73 return 0;
74 }
View Code
task7
date.h
1 #pragma once
2 #ifndef DATE H
3 #define DATE H
4 class Date {
5 private:
6 int year;
7 int month;
8 int day;
9 int totalDays;
10 public:
11 Date(int year, int month, int day);
12 int getYear()const { return year; }
13 int getMonth()const { return month; }
14 int getDay()const { return day; }
15 int getMaxDay()const;
16 bool isLeapYear()const {
17 return year % 4 == 0 && year % 100 != 0 || year % 400 == 0;
18 }
19 void show()const;
20 int distance(const Date& date)const {
21 return totalDays - date.totalDays;
22 }
23 };
24 #endif// DATE H
View Code
accumulator.h
1 #pragma once
2 #ifndef ACCUMULATOR H
3 #define ACCUMULATOR H
4 #include"date.h"
5 class Accumulator {
6 private:
7 Date lastDate;
8 double value;
9 double sum;
10 public:
11 Accumulator(const Date& date, double value) :lastDate(date), value(value), sum{ 0 } {
12 }
13
14 double getSum(const Date& date)const {
15 return sum + value * date.distance(lastDate);
16 }
17
18 void change(const Date& date, double value) {
19 sum = getSum(date);
20 lastDate = date; this->value = value;
21 }
22
23 void reset(const Date& date, double value) {
24 lastDate = date; this->value = value; sum = 0;
25 }
26 };
27 #endif//ACCUMULATOR H
View Code
date.cpp
1 #include"date.h"
2 #include<iostream>
3 #include<cstdlib>
4 using namespace std;
5 namespace {
6 const int DAYS_BEFORE_MONTH[] = { 0,31,59,90,120,151,181,212,243,273,304,334,365 };
7 }
8 Date::Date(int year, int month, int day) :year{ year }, month{ month }, day{ day } {
9 if (day <= 0 || day > getMaxDay()) {
10 cout << "Invalid date:";
11 show();
12 cout << endl;
13 exit(1);
14 }
15 int years = year - 1;
16 totalDays = years * 365 + years / 4 - years / 100 + years / 400 + DAYS_BEFORE_MONTH[month - 1] + day;
17 if (isLeapYear() && month > 2)totalDays++;
18 }
19 int Date::getMaxDay()const {
20 if (isLeapYear() && month == 2)
21 return 29;
22 else return DAYS_BEFORE_MONTH[month] - DAYS_BEFORE_MONTH[month - 1];
23 }
24
25 void Date::show()const {
26 cout << getYear() << "-" << getMonth() << "-" << getDay();
27 }
View Code
account.h
1 #pragma once
2 #ifndef ACCOUNT H
3 #define ACCOUNT H
4 #include"date.h"
5 #include"accumulator.h"
6 #include<string>
7 class Account {
8 private:
9 std::string id;
10 double balance;
11 static double total;
12 protected:
13 Account(const Date& date, const std::string& id);
14 void record(const Date& date, double amount, const std::string& desc);
15 void error(const std::string& msg)const;
16 public:
17 const std::string& getId()const { return id; }
18 double getBalance()const { return balance; }
19 static double getTotal() { return total; }
20
21 void show()const;
22 };
23 class SavingsAccount :public Account {
24 private:
25 Accumulator acc;
26 double rate;
27 public:
28 SavingsAccount(const Date& date, const std::string& id, double rate);
29 double getRate()const { return rate; }
30
31 void deposit(const Date& date, double amount, const std::string& desc);
32 void withdraw(const Date& date, double amount, const std::string& desc);
33 void settle(const Date& date);
34 };
35 class CreditAccount :public Account {
36 private:
37 Accumulator acc;
38 double credit;
39 double rate;
40 double fee;
41 double getDebt()const {
42 double balance = getBalance();
43 return (balance < 0 ? balance : 0);
44 }
45 public:
46 CreditAccount(const Date& date, const std::string& id, double credit, double rate, double fee);
47 double getCredit()const { return credit; }
48 double getRate()const { return rate; }
49 double getAvailableCredit()const {
50 if (getBalance() < 0)
51 return credit + getBalance();
52 else
53 return credit;
54 }
55 void deposit(const Date& date, double amount, const std::string& desc);
56 void withdraw(const Date& date, double amount, const std::string& desc);
57 void settle(const Date& date);
58 void show()const;
59 };
60 #endif//ACCOUNT H
View Code
account.cpp
1 #include"account.h"
2 #include<cmath>
3 #include<iostream>
4 using namespace std;
5 double Account::total = 0;
6
7 Account::Account(const Date& date, const string& id) :id{ id }, balance{ 0 } {
8 date.show(); cout << "\t#" << id << "created" << endl;
9 }
10
11
12 void Account::record(const Date& date, double amount, const string& desc) {
13 amount = floor(amount * 100 + 0.5) / 100;
14 balance += amount;
15 total += amount;
16 date.show();
17 cout << "\t#" << id << "\t" << amount << "\t" << balance << "\t" << desc << endl;
18 }
19
20 void Account::show()const { cout << id << "\tBalance:" << balance; }
21 void Account::error(const string& msg)const {
22 cout << "Error(#" << id << "):" << msg << endl;
23 }
24
25 SavingsAccount::SavingsAccount(const Date& date, const string& id, double rate) :Account(date, id), rate(rate), acc(date, 0) {}
26
27 void SavingsAccount::deposit(const Date& date, double amount, const string& desc) {
28 record(date, amount, desc);
29 acc.change(date, getBalance());
30 }
31
32 void SavingsAccount::withdraw(const Date& date, double amount, const string& desc) {
33 if (amount > getBalance()) {
34 error("not enough money");
35 }
36 else {
37 record(date, -amount, desc);
38 acc.change(date, getBalance());
39 }
40 }
41
42 void SavingsAccount::settle(const Date& date) {
43 double interest = acc.getSum(date) * rate / date.distance(Date(date.getYear() - 1, 1, 1));
44 if (interest != 0)record(date, interest, "interest");
45 acc.reset(date, getBalance());
46 }
47
48 CreditAccount::CreditAccount(const Date& date, const string& id, double credit, double rate, double fee) :Account(date, id), credit(credit), rate(rate), fee(fee), acc(date, 0) {}
49
50 void CreditAccount::deposit(const Date& date, double amount, const string& desc) {
51 record(date, amount, desc);
52 acc.change(date, getDebt());
53 }
54
55 void CreditAccount::withdraw(const Date& date, double amount, const string& desc) {
56 if (amount - getBalance() > credit) {
57 error("not enough credit");
58 }
59 else {
60 record(date, -amount, desc);
61 acc.change(date, getDebt());
62 }
63 }
64
65 void CreditAccount::settle(const Date& date) {
66 double interest = acc.getSum(date) * rate;
67 if (interest != 0)record(date, interest, "interest");
68 if (date.getMonth() == 1)
69 record(date, -fee, "annual fee");
70 acc.reset(date, getDebt());
71 }
72
73 void CreditAccount::show()const {
74 Account::show();
75 cout << "\tAvailable credit:" << getAvailableCredit();
76 }
View Code
task7.cpp
1 #include"account.h"
2 #include<iostream>
3
4 using namespace std;
5
6 int main() {
7 Date date(2008, 11, 1);
8 SavingsAccount sa1(date, "S3755217", 0.015);
9 SavingsAccount sa2(date, "02342342", 0.015);
10 CreditAccount ca(date, "C5392394", 10000, 0.0005, 50);
11
12 sa1.deposit(Date(2008, 11, 5), 5000, "salary");
13 ca.withdraw(Date(2008, 11, 15), 2000, "buy a cell");
14 sa2.deposit(Date(2008, 11, 25), 10000, "sell stock 0323");
15
16 ca.settle(Date(2008, 12, 1));
17
18 ca.deposit(Date(2008, 12, 1), 2016, "repay the credit");
19 sa1.deposit(Date(2008, 12, 5), 5500, "salary");
20
21 sa1.settle(Date(2009, 1, 1));
22 sa2.settle(Date(2009, 1, 1));
23 ca.settle(Date(2009, 1, 1));
24
25 cout << endl;
26 sa1.show(); cout << endl;
27 sa2.show(); cout << endl;
28 ca.show(); cout << endl;
29 cout << "Total:" << Account::getTotal() << endl;
30 return 0;
31 }
View Code
标签：std,const,组合,继承,void,int,date,include,模板 From： https://www.cnblogs.com/nuist0177/p/18551965