#include<stdio.h>
int main()
{struct Student //声明结构体类型struct Student
{
long int num; //以下4行为结构体的成员
char name[20];
char sex;
char addr[20];
}a={10101,"Li Lin",'M',"123 Beijing Road"};//定义结构体变量a并初始化
printf("NO.:%d\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 0.2488 seconds with return value 0
请按任意键继续. . .
#include<stdio.h>
int main()
{struct Student //声明结构体类型struct Student
{
int num;
char name[20];
float score;
}student1,student2; //定义两个结构体变量 student1,student2
scanf("%d%s%f",&student1.num,student1.name,&student1.score); //输入学生1的数据
scanf("%d%s%f",&student2.num,student2.name,&student2.score); //输入学生2的数据
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;
}
10101 Wang 89
10103 Ling 90
The higher score is:
10103 Ling 90.00
--------------------------------
Process exited after 36.9 seconds with return value 0
请按任意键继续. . .
#include<string.h>
#include<stdio.h>
struct Person //声明结构体类型struct Person
{
char name[20]; //候选人姓名
int count; //候选人得票数
}leader[3]={"Li",0,"Zhang",0,"Sun",0}; //定义结构体数组并初始化
int main()
{
int i,j;
char leader_name[20]; //定义字符数组
for(i=1;i<=10;i++)
{
scanf("%s",leader_name); //输入所选的候选人姓名
for(j=0;j<3;j++)
if(strcmp(leader_name,leader[j].name)==0)leader[j].count++;
}
printf("\nResult:\n");
for(i=0;i<3;i++)
printf("%5s:%d\n",leader[i].name,leader[i].count);
return 0;
}
Li
Li
Sun
Zhang
Zhabg
Sun
Li
Sun
Zhang
Li
Result:
Li:4
Zhang:2
Sun:3
--------------------------------
Process exited after 73.72 seconds with return value 0
请按任意键继续. . .
#include<stdio.h>
struct Student //声明结构体类型 struct Student
{
int num;
char name[20];
float score;
};
int main()
{
struct Student stu[5]={{10101,"Zhang",78},{10103,"Wang",98.5},{10106,"Li",86},{10108,"Ling",73.5},{10110,"Sun",100}};//定义结构体数组并初始化
struct Student temp; //定义结构体变量temp,用作交换时的临时变量
const int n=5; //定义常变量 n
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)//进行成绩比较
k=j;
temp=stu[k];
stu[k]=stu[i];
stu[i]=temp;//stu[k]和stu[i]元素互换
}
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:
10101 Zhang 78.00
10103 Wang 98.50
10106 Li 86.00
10108 Ling 73.50
10110 Sun 100.00
--------------------------------
Process exited after 0.3409 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; //定义struct Student类型的变量stu_1
struct Student *p; //定义指向struct Student类型数据的指针变量p
p=&stu_1; //p指向stu_1
stu_1.num=10101;//对结构体变量的成员赋值
strcpy(stu_1.name,"Li Lin");//用字符串复制函数给stu_1.name赋值
stu_1.sex='M';
stu_1.score=89.5;
printf("No.:%1d\nname:%s\nsex:%c\nscore:%5.1f\n",stu_1.num,stu_1.name,stu_1.sex,stu_1.score);//输出结果
printf("\nNo.:%1d\nname:%s\nsex:%c\nscore:%5.1f\n",(*p).num,(*p).name,stu_1.sex,(*p).score);
return 0;
}
No.:10101
name:Li Lin
sex:M
score: 89.5
No.:10101
name:Li Lin
sex:M
score: 89.5
--------------------------------
Process exited after 0.4633 seconds with return value 0
请按任意键继续. . .
#include<stdio.h>
struct Student//声明结构体类型struct Student
{
int num;
char name[20];
char sex;
int age;
};
struct Student stu[3]={{10101,"Li Lin",'M',18},{10102,"Zhang Fang",'M',19},{10104,"Wang Min",'F',20}};//定义结构体数组并初始化
int main()
{
struct Student *p;//定义指向struct Student结构体变量的指针变量
printf("No. name sex age\n");
for(p=stu;p<stu+3;p++)
printf("%5d %-20s%2c %4d\n",p->num,p->name,p->sex,p->age);//输出结果
return 0;
}
No. name sex age
10101 Li Lin M 18
10102 Zhang Fang M 19
10104 Wang Min F 20
--------------------------------
Process exited after 0.6678 seconds with return value 0
请按任意键继续. . .
#include <stdio.h>
#define N 3 //学生数为3
struct Student //建立结构体类型struct Student
{
int num; //学号
char name[20]; //姓名
float score[3]; //3门课成绩
float aver; //平均成绩
};
int main()
{
void input(struct Student stu[]);//函数声明
struct Student max(struct Student stu[]);//函数声明
void print(struct Student stu);//函数声明
struct Student stu[N],*p=stu;//定义结构体数组和指针
input(p);//调用input 函数
print(max(p));//调用print函数，以max函数的返回值作为实参
return 0;
}
void input(struct Student stu[])//定义input函数
{
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]);//输入数据
stu[i].aver=(stu[i].score[0]+stu[i].score[1]+stu[i].score[2])/3.0;//求平均成绩
}
}
struct Student max(struct Student stu[])//定义max函数
{
int i,m=0;//用m存放成绩最高的学生在数组中的序号
for(i=0;i<N;i++)
if(stu[i].aver>stu[m].aver)m=i;//找出平均成绩最高的学生在数组中的序号
return stu[m];//返回包含该生信息的结构体元素
}
void print(struct Student stud)//定义print函数
{
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],stud.aver);
}
请输入各学生的信息：学号、姓名、三门学科的成绩：
10101 Li 78 89 98
10103 Wang 98.5 87 69
10106 Sun 88 76.5 89
成绩最高的学生是：
学号：10101
姓名：Li
三门课成绩: 78.0, 89.0, 98.0平均成绩: 88.33
--------------------------------
Process exited after 60.78 seconds with return value 0
请按任意键继续. . .
