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C Primer plus 第六版 第二章课后习题答案

第一题

#include 
   
    using std::cout;using std::endl;int main() {
   	cout << "BeanGuohui" << endl;	cout << "成都" << endl;	getchar();}
   

第二题

#include 
   
    #include 
    
     using std::cin;using std::cout;using std::endl;int main() {
   	cout << "请输入一个以long为单位的距离：";	double distance;	cin >> distance;	cout << distance << " long = " << distance * 220 << " 码" << endl;	system("pause");}
    
   

第三题

#include 
   
    #include 
    
     using std::cout;using std::cin;using std::endl;void FirstPrint(){
   	cout << "Three blind mice" << endl;}void SecondPrint() {
   	cout << "See how they run" << endl;}int main() {
   	FirstPrint();	FirstPrint();	SecondPrint();	SecondPrint();	system("pause");}
    
   

第四题

#include 
   
    #include 
    
     using std::cout;using std::cin;using std::endl;int main() {
   	cout << "Enter your age： ";	int age = 0;	cin >> age;	cout << "该年龄包含" << age * 12 << "个月！" << endl;	system("pause");}
    
   

第五题

#include 
   
    #include 
    
     using std::cout;using std::cin;using std::endl;double ChangeTemperature(double CentigradeTemperature) {
   	return 1.8 * CentigradeTemperature + 32.0;}int main() {
   	double CentigradeTemperature = 0;	cout << "Please enter a Celsius value: ";	cin >> CentigradeTemperature;	cout << CentigradeTemperature << " degrees Celeius is " <<		ChangeTemperature(CentigradeTemperature) << " degrees Fahrenheit." << endl;	system("pause");}
    
   

第六题

#include 
   
    #include 
    
     using std::cout;using std::cin;using std::endl;double changeLightYear(double lightYear) {
   	return 63240 * lightYear;}int main() {
   	double lightYear = 0;	cout << "Enter the number of light years: ";	cin >> lightYear;	cout << lightYear << " light year = " <<		changeLightYear(lightYear) << " astronomical units." << endl;	system("pause");}
    
   

第七题

#include 
   
    #include 
    
     using std::cout;using std::cin;using std::endl;void showData(int hour, int minute) {
   	cout << "Time: " << hour << ":" << minute << endl;}int main() {
   	int hour = 0, minute = 0;	cout << "Enter the number of hours: ";	cin >> hour;	cout << "Enter the number of minutes: ";	cin >> minute;	showData(hour, minute);	system("pause");}
    
   

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