1题。。。
#include
#include
int main()
{
using namespace std;
char fname[40];
char lname[40];
char achievement;
int age;
cout <<"What is your first name? ";
cin.getline(fname, 40);
cout <<"what is your last name? ";
cin.getline(lname,40);
cout <<"What letter grade do you deserve? ";
cin >> achievement;
cout <<"What is your age? ";
cin >> age;
cout <<"Name: " <<lname <<", " <<fname << endl;
//+1后会变成int整型输出，所以需要强制转换char类型
cout <<"Grade: "<<(char)(achievement+1) << endl;
cout <<"Age: " << age << endl;
return 0;
}
2题。。。
#include
#include
int main()
{
using namespace std;
string name;
string dessert;
cout <<"Enter your name:\n";
getline(cin, name);
cout <<"Enter your favorite dessert:\n";
getline(cin, dessert);
cout <<"I have some delicious " << dessert;
cout <<" for you, " << name <<"\n";
return 0;
}
3题。。。。
#include
#include
int main()
{
using namespace std;
char fname[20];
char lname[20];
cout <<"Enter your first name: ";
cin >>fname;
cout <<"Enter your last name: ";
cin >>lname;
strcat(lname, ", ");
strcat(lname, fname);
cout <<"Here's the information in a single string: " <<lname <<endl;
return 0;
}
4题。。。。
#include
#include
int main()
{
using namespace std;
string fname;
string lname;
cout <<"Enter your first name: ";
cin >> fname;
cout <<"Enter your last name: ";
cin >>lname;
fname = fname + ", ";
fname = fname + lname;
cout <<"Here's the information in a single string: " <<fname << endl;
return 0;
}
5题。。。。。
#include
struct CandyBar {
char brand[20];
float weight;
int calorie;
};
int main()
{
using namespace std;
struct CandyBar snack = {
“Mocha Munch”,
2.3,
350
};
cout <<"snack brand: " <<snack.brand << endl;
cout <<"snack weight: "<<snack.weight << endl;
cout <<"snack calorie: "<<snack.calorie << endl;
return 0;
}
6题。。。。
#include
struct CandyBar {
char brand[20];
float weight;
int calorie;
};
int main()
{
using namespace std;
struct CandyBar snack[3] = {
{“Mocha Munch”, 2.3, 350},
{“Kisld Cisdj”, 3.5, 400},
{“Ljise Jsdiw”, 5.2, 450}
};
cout<<“snack1 brand: " <<snack[0].brand;
cout<<” snack1 weight: " <<snack[0].weight;
cout<<" snack1 calorie: " <<snack[0].calorie << endl;
cout<<“snack2 brand: " <<snack[1].brand;
cout<<” snack2 weight: " <<snack[1].weight;
cout<<" snack2 calorie: " <<snack[1].calorie << endl;
cout<<“snack3 brand: " <<snack[2].brand;
cout<<” snack3 weight: " <<snack[2].weight;
cout<<" snack3 calorie: " <<snack[2].calorie << endl;
return 0;
}
7题。。。。
#include
struct WilliamWingate_pizza {
char p_c_name[40];
int p_diameter; //寸
int p_weight; //克
};
int main()
{
using namespace std;
struct WilliamWingate_pizza ps;
cout <<"请输入这家披萨公司的名称: ";
cin.getline(ps.p_c_name, 40);
cout <<"请输入披萨的直径(寸）: ";
cin >>ps.p_diameter;
cout <<"请输入披萨的重量(克）: ";
cin >>ps.p_weight;
cout <<"公司名称: " << ps.p_c_name << endl;
cout <<"披萨的直径(寸): " <<ps.p_diameter << endl;
cout <<"披萨的重量(克): " <<ps.p_weight << endl;
return 0;
}
8题。。。。
#include
struct WilliamWingate_pizza {
char p_c_name[40];
int p_diameter; //寸
int p_weight; //克
};
int main()
{
using namespace std;
//为结构分配动态内存，ps是指向结构内存中地址的指针
WilliamWingate_pizza *ps = new WilliamWingate_pizza;
cout <<"请输入披萨的直径(寸）: ";
//丢弃输入后留存在缓冲区中的换行符
(cin >>ps->p_diameter).get();
cout <<"请输入这家披萨公司的名称: ";
cin.getline(ps->p_c_name, 40);
cout <<"请输入披萨的重量(克）: ";
(cin >>ps->p_weight).get();
cout <<"公司名称: " << ps->p_c_name << endl;
cout <<"披萨的直径(寸): " <<ps->p_diameter << endl;
cout <<"披萨的重量(克): " <<ps->p_weight << endl;
delete ps; //不要忘记释放掉分配的动态内存
return 0;
}
9题。。。。
#include
struct CandyBar {
char brand[20];
float weight;
int calorie;
};
int main()
{
using namespace std;
CandyBar *snack1 = new CandyBar;
CandyBar *snack2 = new CandyBar;
CandyBar *snack3 = new CandyBar;
*snack1 = {“Mocha Munch”,2.3, 350};
*snack2 = {“Kisld Cisdj”, 3.5, 400};
*snack3 = {“Ljise Jsdiw”, 5.2, 450};
cout<<"snack1 brand: " <<snack1->brand;
cout<<" snack1 weight: " <<snack1->weight;
cout<<" snack1 calorie: " <<snack1->calorie << endl;
cout<<"snack2 brand: " <<snack2->brand;
cout<<" snack2 weight: " <<snack2->weight;
cout<<" snack2 calorie: " <<snack2->calorie << endl;
cout<<"snack3 brand: " <<snack3->brand;
cout<<" snack3 weight: " <<snack3->weight;
cout<<" snack3 calorie: " <<snack3->calorie << endl;
//不要忘记释放分配的动态内存
delete snack1;
delete snack2;
delete snack3;
return 0;
}
10题。。。。
#include
#include
int main()
{
using namespace std;
array<double, 3> achievement;
cout <<"请输入第一次跑40米的成绩: ";
cin >> achievement[0];
cout <<"请输入第二次跑40米的成绩: ";
cin >> achievement[1];
cout <<"请输入第三次跑40米的成绩: ";
cin >> achievement[2];
cout <<"三次跑40米的平均成绩是: ";
cout << (achievement[0] + achievement[1] + achievement[2])/3 << endl;
return 0;
}
