【C语言】学生成绩链表的录入

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct student
{
char name[15];
float Chinese;
float English;
float math;
float Physics;
float Chemistry;
struct student *next;
}Stu,*PStu;

PStu creat(PStu	head)
{
PStu p1 =NULL;
PStu p2 =NULL;
int n = 0;
p1 =(PStu)malloc(sizeof(Stu));
p2 = p1;
if(p1==NULL)        //节点开辟不成功
{
printf ("\nCann't create it, try it again in a moment!\n");
return NULL;
}
else
{
printf("请输入名字，语文成绩，英语成绩，数学成绩，物理成绩，化学成绩\n");
scanf("%s %f %f %f %f %f",&(p1->name),&(p1->Chinese),&(p1->English),&(p1->math),\
&(p1->Physics),&(p1->Chemistry));
}
while(strcmp(p1->name,"end"))
{
if(head == NULL)
{
head  = p1;
p2->next = NULL;
}
else
p2->next = p1;
p2 = p1;
p1 = (PStu)malloc(sizeof(Stu));
printf("请输入名字，语文成绩，英语成绩，数学成绩，物理成绩，化学成绩\n");
scanf("%s %f %f %f %f %f",&p1->name,&p1->Chinese,&p1->English,&p1->math,\
&p1->Physics,&p1->Chemistry);

}
p2->next=NULL;
free(p1);
p1 = NULL;
return head;
}

void print(	PStu head)/*出以head为头的链表各节点的值*/
{
PStu temp;
printf ("\nNow , These records are:\n");
temp=head;/*取得链表的头指针*/

while(temp!=NULL)/*只要是非空表*/
{
printf("姓名：%s\n语文%f\n英语%f\n数学%f\n物理%f\n化学%f\n",temp->name,\
temp->Chinese,temp->English,temp->math,temp->Physics,temp->Chemistry);/*输出链表节点的值*/
temp=temp->next;/*跟踪链表增长*/
}
}

void avScore(PStu head)
{
float aScore;
PStu temp;
temp = head;
while(temp != NULL)
{
aScore = (temp->Chinese + temp->English + temp->math + temp->Physics + temp->Chemistry)/5;
printf("%s的平均成绩为：%f\n",temp->name,aScore);
temp=temp->next;
}
}

void avClass(PStu head)
{
float aChinese = 0;
float aEnglish = 0;
float amath = 0;
float aPhysics = 0;
float aChemistry = 0;
int count = 0;
PStu temp = head;
while(temp != NULL)
{
aChinese += temp->Chinese;
aEnglish += temp->English;
amath += temp->math;
aPhysics += temp->Physics;
aChemistry += temp->Chemistry;
count++;
temp=temp->next;
}
printf("语文平均分是：%f\n英语平均分是：%f\n数学平均分是：%f\n物理平均分是：%f\n化学平均分是：%f\n",\
aChinese/count,aEnglish/count,amath/count,aPhysics/count,aChemistry/count);
}

void maxScore(PStu head)	//出现共同最高分为第一个出现的为准:
{
float mScore = 0;
char work[20] = {0};
char name[10];
PStu temp = head;
mScore = temp->Chinese;
while(temp != NULL)
{
strcpy(name,temp->name);
if(temp->Chinese > mScore)
{
mScore = temp->Chinese;
strcpy(work,"chinese");
/*work = "chinese";*/
}
else if(temp->English >mScore)
{
mScore = temp->English;
strcpy(work,"english");
/*work = "english";*/
}
else if(temp->math >mScore)
{
mScore = temp->math;
strcpy(work,"math");
/*work = "math";*/
}
else if(temp->Physics >mScore)
{
mScore = temp->Physics;
strcpy(work,"physics");
/*work = "physics";*/
}
else if(temp->Chemistry >mScore)
{
mScore = temp->Chemistry;
strcpy(work,"chemistry");
/*work = "chemistry";*/
}
temp = temp->next;
}
printf("同学%s的%s成绩为所有成绩中的最高分：%f\n",name,work,mScore);
}
int main()
{
PStu head  = NULL;
head = creat(head);
print(head);
avScore(head);
avClass(head);
maxScore(head);
return 0;
}