结构体指针和数组理解

（1）第一个

 1 # include<iostream>
 2 using namespace std;
 3 struct student
 4 {
 5     int num;
 6     char name[12];
 7     char sex;
 8     int age;
 9 }//stu[3] = {{1,"miao",'M',19},{2,"chuang",'F',23},{3,"hello",'M',24}};
10 *st;
11 struct student stu[3] = {{1,"miao",'M',19},{2,"chuang",'F',23},{3,"hello",'M',24}};
12 int main()
13 {
14     //struct student *st;
15 
16     for(st = stu; st < stu+3; st++)
17     {
18         cout<<(*st).num<<" "<<(*st).name<<" "<<(*st).sex<<" "<<(*st).age<<endl;
19 
20     }
21       cout<<"------------------------------------------------"<<endl;
22     for(st = stu; st < stu+3; st++)
23     {
24         cout<<st->num<<" "<<st->name<<" "<<st->sex<<" "<<st->age<<endl;
25     }
26 
27 }

View Code

（2）第二个

 1 # include<iostream>
 2 using namespace std;
 3 struct student
 4 {
 5     int num;
 6     char name[12];
 7     char sex;
 8     int age;
 9 }//stu[3] = {{1,"miao",'M',19},{2,"chuang",'F',23},{3,"hello",'M',24}};
10 ;
11 struct student stu[3] = {{1,"miao",'M',19},{2,"chuang",'F',23},{3,"hello",'M',24}};
12 int main()
13 {
14     struct student *st;
15 
16     for(st = stu; st < stu+3; st++)
17     {
18         cout<<(*st).num<<" "<<(*st).name<<" "<<(*st).sex<<" "<<(*st).age<<endl;
19 
20     }
21       cout<<"------------------------------------------------"<<endl;
22     for(st = stu; st < stu+3; st++)
23     {
24         cout<<st->num<<" "<<st->name<<" "<<st->sex<<" "<<st->age<<endl;
25     }
26 
27 }

View Code

（3）第三个

 1 # include<iostream>
 2 using namespace std;
 3 struct student
 4 {
 5     int num;
 6     char name[12];
 7     char sex;
 8     int age;
 9 }stu[3] = {{1,"miao",'M',19},{2,"chuang",'F',23},{3,"hello",'M',24}};
10 
11 //struct student stu[3] = {{1,"miao",'M',19},{2,"chuang",'F',23},{3,"hello",'M',24}};
12 int main()
13 {
14     struct student *st;
15 
16     for(st = stu; st < stu+3; st++)
17     {
18         cout<<(*st).num<<" "<<(*st).name<<" "<<(*st).sex<<" "<<(*st).age<<endl;
19 
20     }
21       cout<<"------------------------------------------------"<<endl;
22     for(st = stu; st < stu+3; st++)
23     {
24         cout<<st->num<<" "<<st->name<<" "<<st->sex<<" "<<st->age<<endl;
25     }
26 
27 }

View Code

（4）第四个（注意看typedef）

 1 # include<iostream>
 2 using namespace std;
 3 typedef struct student
 4 {
 5     int num;
 6     char name[12];
 7     char sex;
 8     int age;
 9 }//stu[3] = {{1,"miao",'M',19},{2,"chuang",'F',23},{3,"hello",'M',24}};
10 stt;
11  stt stu[3] = {{1,"miao",'M',19},{2,"chuang",'F',23},{3,"hello",'M',24}};
12 int main()
13 {
14     stt *st;
15 
16     for(st = stu; st < stu+3; st++)
17     {
18         cout<<(*st).num<<" "<<(*st).name<<" "<<(*st).sex<<" "<<(*st).age<<endl;
19 
20     }
21       cout<<"------------------------------------------------"<<endl;
22     for(st = stu; st < stu+3; st++)
23     {
24         cout<<st->num<<" "<<st->name<<" "<<st->sex<<" "<<st->age<<endl;
25     }
26 
27 }

View Code

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原文地址：https://www.cnblogs.com/sxmcACM/p/3463609.html