1.字符数组

#include <iostream>
using namespace std;int main() 
{char first_name[15];cout << "what is your first name?";cin.getline(first_name,15);cout << "what is your last name?";char last_name[15];cin.getline(last_name, 15);char grade;cout << "what letter grade do you deserve?";cin>>grade;int age;cout << "what is your age?";cin>>age;cout << "name:" << last_name << "," << first_name<<"\n";cout << "grade:" << char(int(grade) +1)<<"\n";cout << "age:" << age;return 0;
}

2.char 数组改 string

string类中的getline方法和iostream类中的getline方法不同

#include <iostream>
#include<string>
using namespace std;int main() 
{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.char数组方式利用cstring中的函数进行字符串组合

#include <iostream>
#include<cstring>
using namespace std;int main() 
{char fir_name[20];cout << "Enter your first name: ";cin >> fir_name;char las_name[20];cout << "Enter your last name: ";cin >> las_name;char name[20];strcpy_s(name, las_name);strcat_s(name, ", ");strcat_s(name, fir_name);cout<<"here is the information in a single string: "<<name;return 0;
}

4.string方式进行字符串组合

#include <iostream>
#include<string>
using namespace std;int main() 
{string fir_name;cout << "Enter your first name: ";cin >> fir_name;string las_name;cout << "Enter your last name: ";cin >> las_name;string name;name = las_name + ", " + fir_name;cout<<"here is the information in a single string: "<<name;return 0;
}

5.CandyBar糖果结构

#include <iostream>
#include <string>;
using namespace std;struct Candybar 
{string brand;float weight;int calories;
};int main() 
{Candybar snack = { "Mocha Munch",2.3,350 };cout << "snack 的品牌为: " << snack.brand<<"\n";cout << "snack 的重量为: " << snack.weight<<"\n";cout << "snack 的卡路里为: " << snack.calories;return 0;
}

6.CandyBar糖果结构数组

#include <iostream>
#include <string>;
using namespace std;struct Candybar 
{string brand;float weight;int calories;
};int main() 
{Candybar snack[3] ={{"Mocha Munch", 2.3, 350},{"Ssadno Csnaod",2.4,56},{"Asnado Mdasijo",2.5,780}};cout << "Mocha Munch的卡路里为: " << snack[0].calories << "\n";cout << "Ssadno Csnaod的重量为: " << snack[1].weight << "\n";cout << "Asnado Mdasijo的品牌为: " << snack[2].brand;return 0;
}

7.披萨饼分析

#include <iostream>
#include <string>;
using namespace std;struct Pizza
{string brand;float weight;int d;
};int main() 
{Pizza piz;cout << "请输入披萨的品牌：";getline(cin, piz.brand);cout << "请输入披萨的直径：";cin>>piz.d;cout << "请输入披萨的重量：";cin >> piz.weight;cout << "\n" << "披萨的品牌为: " << piz.brand<<"\n";cout << "披萨的直径为: " << piz.d << "\n";cout << "披萨的重量为: " << piz.weight;return 0;
}