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结构体

2012年12月27日 ⁄ 教材内容 ⁄ 共 611字 ⁄ 字号 小 中 大 ⁄ 暂无评论

结构体的声明和使用，指针形式的结构体

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#include <stdio.h>
struct student {
    char name[10];
    char sex;
    int score;
};
main()
{
    struct student s1= {0},s2= {0},s3= {0},max= {0};
 
    printf("Input data:\n");
    scanf("%s %c%d",s1.name,&s1.sex,&s1.score);
    scanf("%s %c%d",s2.name,&s2.sex,&s2.score);
    scanf("%s %c%d",s3.name,&s3.sex,&s3.score);
 
    printf("All students are:\n");
    printf("%13s%3c%4d\n",s1.name,s1.sex,s1.score);
    printf("%13s%3c%4d\n",s2.name,s2.sex,s2.score);
    printf("%13s%3c%4d\n",s3.name,s3.sex,s3.score);
 
    max=s1;
    if(max.score<s2.score)  max=s2;
    if(max.score<s3.score)  max=s3;
 
    printf("The student is:\n");
    printf("%13s%3c%4d\n",max.name,max.sex,max.score);
}
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#include <stdio.h>
typedef struct student {
    char name[10];
    char sex;
    int score;
} Student;
 
main()
{
    Student s1= {"liu",'f',78},s2= {"li",'m',88},s3= {"wang",'f',83};
    Student *p=&s1;
 
    printf("All students are:\n");
    printf("%13s%3c%4d\n",(*p).name,(*p).sex,(*p).score);
    printf("%13s%3c%4d\n",s2.name,s2.sex,s2.score);
    printf("%13s%3c%4d\n",s3.name,s3.sex,s3.score);
 
    if(p->score<s2.score)  p=&s2;
    if(p->score<s3.score)  p=&s3;
 
    printf("The student is:\n");
    printf("%13s%3c%4d\n",p->name,p->sex,p->score);
}
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#include <stdio.h>
typedef struct student {
    char name[10];
    char sex;
    int score;
} Student;
 
Student max_abc(Student a,Student b,Student c)
{
    Student m= {0};
    m=a;
    if(m.score<b.score)  m=b;
    if(m.score<c.score)  m=c;
    return m;
}
 
main()
{
    Student s1= {"liu",'f',78},s2= {"li",'m',88},s3= {"wang",'f',83},max= {0};
 
    printf("All students are:\n");
    printf("%13s%3c%4d\n",s1.name,s1.sex,s1.score);
    printf("%13s%3c%4d\n",s2.name,s2.sex,s2.score);
    printf("%13s%3c%4d\n",s3.name,s3.sex,s3.score);
 
    max=max_abc(s1,s2,s3);
 
    printf("The student is:\n");
    printf("%13s%3c%4d\n",max.name,max.sex,max.score);
}
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#include <stdio.h>
#define N 5
typedef struct student {
    char name[10];
    char sex;
    int score;
} Student;
 
main()
{
    int i=0;
    Student s[N]= {0},max= {0};
 
    printf("Input data:\n");
    for(i=0; i<N; i++)
        scanf("%s %c%d",s[i].name,&s[i].sex,&s[i].score);
 
    printf("All students are:\n");
    for(i=0; i<N; i++)
        printf("%13s%3c%4d\n",s[i].name,s[i].sex,s[i].score);
 
    max=s[0];
    for(i=1; i<N; i++)
        if(max.score<s[i].score)  max=s[i];
 
    printf("The student is:\n");
    printf("%13s%3c%4d\n",max.name,max.sex,max.score);
}
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#include <stdio.h>
#define N 100
typedef struct student {
    char name[10];
    char sex;
    int score;
} Student;
 
main()
{
    int i=0;
    Student s[N]= {0},max= {0};
 
    printf("Input data:\n");
    for(i=0; i<N; i++)
        scanf("%s %c%d",s[i].name,&s[i].sex,&s[i].score);
    printf("All students are:\n");
    for(i=0; i<N; i++) {
        if(i>0 && i%11==0) {
            printf("Press any key to continue......\n");
            getch();
        }
        printf("%13s%3c%4d\n",s[i].name,s[i].sex,s[i].score);
    }
    max=s[0];
    for(i=1; i<N; i++)
        if(max.score<s[i].score)  max=s[i];
    printf("The student is:\n");
    printf("%13s%3c%4d\n",max.name,max.sex,max.score);
    getch();
}
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#include <stdio.h>
#define N 5
typedef struct student {
    char name[10];
    char sex;
    int score;
} Student;
Student max_p(Student *p);
 
main()
{
    int i=0;
    Student s[N]= {0},max= {0};
    printf("Input data:\n");
    for(i=0; i<N; i++)
        scanf("%s %c%d",s[i].name,&s[i].sex,&s[i].score);
 
    printf("All students are:\n");
    for(i=0; i<N; i++)
        printf("%13s%3c%4d\n",s[i].name,s[i].sex,s[i].score);
 
    max=max_p(s);
    printf("The student is:\n");
    printf("%13s%3c%4d\n",max.name,max.sex,max.score);
}
 
Student max_p(Student *p)
{
    int i=0;
    Student m= {0};
 
    m=p[0];
    for(i=1; i<N; i++)
        if(m.score<p[i].score)  m=p[i];
    return m;
}
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#include <stdio.h>
#include <string.h>
#define N 5
typedef struct student {
    char name[10];
    char sex;
    int score;
} Student;
int del_p(Student *q,char *a);
 
main()
{
    int i=0,irest=N;
    Student s[N]= {0};
    char  delname[10]= {'\0'};
 
    printf("Input data:\n");
    for(i=0; i<N; i++)
        scanf("%s %c%d",s[i].name,&s[i].sex,&s[i].score);
 
    printf("All students are:\n");
    for(i=0; i<N; i++)
        printf("%13s%3c%4d\n",s[i].name,s[i].sex,s[i].score);
 
    getchar();
    printf("Input the name to be deleted:\n");
    gets(delname);
 
    irest=del_p(s,delname);						/* 返回所剩记录的个数 */
    printf("The rest after deleting:\n");		/* 输出删除后的记录 */
    for(i=0; i<irest; i++)
        printf("%13s%3c%4d\n",s[i].name,s[i].sex,s[i].score);
    getchar();
}
 
int del_p(Student *q,char *a)
{
    int i=0,j=0;
 
    for(i=0; i<N; i++)
        if(strcmp(q[i].name,a)==0)  break; 		/* 找到要删除的记录就退出 */
    if(i<N) {
        for(j=i; j<N-1; j++)    q[j]=q[j+1]; 	/* 将后面的记录向前移 */
        return N-1;
    } else return N;
}
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#include <stdio.h>
#include <string.h>
#define N 5			
typedef struct student
{	char name[10];
	char sex;
	int score;
}Student;
void add_p(Student *q,char *a,Student w);
 
main()
{   int i=0;
	Student s[N+1]={0},new={0};
	char  appointed[10]={'\0'};
 
	printf("Input data:\n");
	for(i=0; i<N; i++)
		scanf("%s %c%d",s[i].name,&s[i].sex,&s[i].score);
 
	printf("All students are:\n");
	for(i=0; i<N; i++)					
		printf("%13s%3c%4d\n",s[i].name,s[i].sex,s[i].score);
 
	getchar();               
	printf("Input the appointed name:\n");
	gets(appointed);
 
	printf("Input the data to be added:\n");
	scanf("%s %c%d",new.name,&new.sex,&new.score);
 
	add_p(s,appointed,new);
 
	printf("The records after adding:\n");	
	for(i=0; i<N+1; i++)
		printf("%13s%3c%4d\n",s[i].name,s[i].sex,s[i].score);
}
 
void add_p(Student *q,char *a,Student w)
{	int i=0,j=0;
 
	for(i=0; i<N; i++)	
		if(strcmp(q[i].name,a)==0) break;
 
	for(j=N-1; j>=i; j--)   
		q[j+1]=q[j]; 	
 
	q[i]=w; 		
}
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#include <stdio.h>
#define N 5
typedef struct students {
    char name[10];
    char sex;
    int score;
} Student;
 
void sort_p(Student *q);
 
main()
{
    int i=0;
    Student s[N]= {0};
 
    printf("Input data:\n");
    for(i=0; i<N; i++)
        scanf("%s %c%d",s[i].name,&s[i].sex,&s[i].score);
 
    printf("All students are:\n");
    for(i=0; i<N; i++)
        printf("%13s%3c%4d\n",s[i].name,s[i].sex,s[i].score);
 
    sort_p(s);
    printf("The recornds after sorting:\n");
    for(i=0; i<N; i++)
        printf("%13s%3c%4d\n",s[i].name,s[i].sex,s[i].score);
}
 
void sort_p(Student *q)
{
    Student t= {0};
    int i=0,j=0,k=0;
 
    for(i=0; i<N-1; i++) {
        k=i;
        for(j=i+1; j<N; j++)
            if(q[k].score<q[j].score)  k=j;
        t=q[i];
        q[i]=q[k];
        q[k]=t;
    }
}
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