#include<stdio.h>
int main()
{
    struct Student
    {
        long int num;
        char name[20];
        char sex;
        char addr[20];
    }
    a={10101,"Li Lin",'M',"123 Beijing Road"};
    printf("NO.:%ld\nname:%s\nsex:%c\naddress:%s\n",a.num,a.name,a.sex,a.addr);
    return 0;
}
NO.:10101
name:Li Lin
sex:M
address:123 Beijing Road

--------------------------------
Process exited after 0.05706 seconds with return value 0
请按任意键继续. . .
#include<stdio.h> 
int main()
{
    struct Student
    {
        int num;
        char name[20];
        float score;
    }student1,student2;        
    scanf("%d%s%f",&student1.num,student1.name,&student1.score); 
    scanf("%d%s%f",&student2.num,student2.name,&student2.score);  
    printf("The higher score is:\n");
    if(student1.score>student2.score)
        printf("%d %s %6.2f\n",student1.num,student1.name,student1.score);
    else if(student1.score<student2.score)
        printf("%d %s %6.2f\n",student2.num,student2.name,student2.score);
    else
    {
        printf("%d %s %6.2f\n",student1.num,student1.name,student1.score);
        printf("%d %s %6.2f\n",student2.num,student2.name,student2.score);
    }
    return 0;
}
22，222，2222
22，222，2222
The higher score is:
22 ，222，2222  22.00

--------------------------------
Process exited after 7.463 seconds with return value 0
请按任意键继续. . .
#include<string.h>
#include<stdio.h>
struct Person 
{
    char name[20];
    int conut;
}
    leader[3]={"li",0,"zhang",0,"sun",0};
int main()
{   
    int i,j;
    char leader_name[20];
    for(i=1;i<=10;i++)
    {
        scanf("%s",leader_name);
        for(j=0;j<3;j++)
        {
            if(strcmp(leader_name,leader[j].name)==0)
            leader[j].conut ++;    
        }
    
    }
    printf("\nResult:\n");
    for(i=0;i<3;i++)
    printf("%5s:%d\n",leader[i].name,leader[i].conut );
    return 0;
}
li
li
li
li
li
zhang
li
zhang
li
zhang

Result:
    li:7
 zhang:3
   sun:0

--------------------------------
Process exited after 17.44 seconds with return value 0
请按任意键继续. . .
#include<stdio.h>
struct Student            
{
    int num;
    char name[20];
    float score;
};
int main()
{
    struct Student stu[5]={{11111,"yi",11},{22222,"er",22},{33333,"san",33},{44444,"si",44},{55555,"wu",55}};
    struct Student temp;
    const int n=5;
    int i,j,k;
    printf("The order is:\n");
    for(i=0;i<n-1;i++)
    {
        k=i;
        if(stu[j].score>stu[k].score)
        k=j;
        temp=stu[k];
        stu[k]=stu[i];
        stu[i]=temp;
    }
    for(i=0;i<n;i++)
    printf("%6d %8s %6.2f\n",stu[i].num,stu[i].name,stu[i].score);
    printf("\n");
    return 0;
}
The order is:
 11111       yi  11.00
 22222       er  22.00
 33333      san  33.00
 44444       si  44.00
 55555       wu  55.00


--------------------------------
Process exited after 0.06133 seconds with return value 0
请按任意键继续. . .
#include<stdio.h>
#include<string.h>
int main()
{
    struct student
    {
        long num;
        char name[20];
        char sex;
        float score;
    };
struct student stu_1={10101,"Li Lin",'M',89.5};
struct student *p;
p=&stu_1;
printf("%d,%s,%c,%f\n",stu_1.num,stu_1.name,stu_1.sex,stu_1.score);
printf("%d,%s,%c,%f\n",(*p).num,(*p).name,stu_1.sex,(*p).score); 
return 0;
}
10101,Li Lin,M,89.500000
10101,Li Lin,M,89.500000

--------------------------------
Process exited after 0.06501 seconds with return value 0
请按任意键继续. . .
#include<stdio.h>
struct Student
{
    int num;
    char name[20];
    char sex;
    int age;
};
struct Student stu[3]={{1,"yi",'M',11},{2,"er",'M',22},{3,"san",'F',33}};
int main()
{
    struct Student *p;
    printf("No. name sex age\n");
    for(p=stu;p<stu+3;p++)
    printf("%d,%s,%c,%d\n",p->num,p->name,p->sex,p->age);
    return 0;
} 
No. name sex age
1,yi,M,11
2,er,M,22
3,san,F,33

--------------------------------
Process exited after 0.04645 seconds with return value 0
请按任意键继续. . .
#include <stdio.h>  
#define N 3  
struct Student  
{  
    int num;  
    char name[20];  
    float score[3];  
    float aver;  
};  
int main()
{
    void input(struct Student stu[]);
    struct Student max(struct Student stu[]);
    void print(struct Student stu);
    struct Student stu[N],*p=stu;
    input(p);
    print(max(p));
    return 0; 
}
void input(struct Student stu[])
{
    int i;
    printf("请输入各学生的信息：学号、姓名、三门学科的成绩：\n");
    for(i=0;i<N;i++)
    {
        scanf("%d %s %f %f %f",&stu[i].num,&stu[i].name,&stu[i].score[0],&stu[i].score[1],&stu[i].score[2]);
        stu[i].aver=(stu[i].score[0]+stu[i].score[1]+stu[i].score[2])/3.0;
    } 
}
struct Student max(struct Student stu[])
{
    int i,m=0;
    for(i=0;i<N;i++)
    if(stu[i].aver>stu[m].aver)m=i;
    return stu[m];
}
void print(struct Student stud)
{

    printf("\n成绩最高的学生是：\n");
    printf("学号：%d\n姓名：%s\n三门课成绩:%5.1f,%5.1f,%5.1f平均成绩:%6.2f\n",stud.num,stud.name,stud.score[0],stud.score[1],stud.score[2]);
}
请输入各学生的信息：学号、姓名、三门学科的成绩：
1 一 11 111 1111
2 二 22 222 2222
3 三 33 333 3333

成绩最高的学生是：
学号：3
姓名：三
三门课成绩: 33.0,333.0,3333.0平均成绩:  0.00

--------------------------------
Process exited after 42.87 seconds with return value 0
请按任意键继续. . .

 

 

总结

1.有些不熟悉的地方加深了印象

2.打字速度变快了

3.不要马虎