用C语言设计学生成绩管理程序（编译器：VC++6.0)

c语言设计学生成绩管理程序

#include
#include
#include
#include
chargrades[5][10]={"语文","数学","英语","总成绩","平均成绩"};
typedefstructdata{
	charnumber[16];
	charname[20];
	doublescore[5];	
}dataType;
typedefstructlist{
	dataTypepauline;
	structlist*next;
}*LinkList,*pNode,Node;
void*getMemory(size_tsize){
	returnmalloc(size);
}
LinkListgetEmptyList(){
	LinkListhead=(pNode)getMemory(sizeof(Node));
	memset(head,0,sizeof(Node));
	returnhead;
}
intaddNode(LinkListhead,pNodepnode){
	pNodeq;
	for(q=head;q->next;q=q->next)
		if(strcmp(q->next->pauline.number,pnode->pauline.number)==0){
			printf("重复的学号:%d\n",pnode->pauline.number);
			return0;
		}
	q->next=pnode;
	pnode->next=NULL;
	return1;
}
//按学号升排序
voidsortNumber(LinkListhead){
	pNodep,q,pt,qt;
	p=head;
	while(p->next){
		qt=p;
		q=p->next;
		while(q->next){
			if(strcmp(qt->next->pauline.number,q->pauline.number)>0)
				qt=q;
			q=q->next;
		}
		if(qt!=p){
			pt=p->next;
			p->next=qt->next;
			qt->next=qt->next->next;
			p->next->next=pt;
		}
		p=p->next;
	}
}
//按第th门成绩降排序,th=1,2,3,4,5
voidsortScore(LinkListhead,intth){
	pNodep,q,pt,qt;
	inti;
	if(th<1||th>5)return;
	i=th-1;
	for(p=head;p->next;p=p->next){
		qt=p;
		q=p->next;
		while(q->next){
			if(qt->next->pauline.score[i]next->pauline.score[i])
				qt=q;
			q=q->next;
		}
		if(qt!=p){
			pt=p->next;
			p->next=qt->next;
			qt->next=qt->next->next;
			p->next->next=pt;
		}
	}	
}
voidshow(LinkListhead){
	inti;
	pNodep;
	for(p=head->next;p;p=p->next){
		printf("%s\t%s\t",p->pauline.number,p->pauline.name);
		for(i=0;i<5;++i)
			printf("%.2f\t",p->pauline.score[i]);
		printf("\n");
	}
}
pNodereadData(){
	pNodepnode=(pNode)getMemory(sizeof(Node));
	inti;
	printf("学号:");
	scanf("%s",pnode->pauline.number);
	printf("姓名:");
	scanf("%s",pnode->pauline.name);
	pnode->pauline.score[3]=0;
	for(i=0;i<3;++i){
		printf("%s成绩:",grades[i]);
		scanf("%lf",&pnode->pauline.score[i]);
		pnode->pauline.score[3]+=pnode->pauline.score[i];
	}
	pnode->pauline.score[4]=pnode->pauline.score[3]/3.0;
	returnpnode;
}
voidmenu(){
	printf("********************************\n");
	printf("******学生成绩管理系统******\n");
	printf("********************************\n");
	printf("*1、添加学生信息*\n");
	printf("*2、显示学生信息*\n");
	printf("*3、按学号排序*\n");
	printf("*4、按成绩排序*\n");
	printf("********************************\n");
	printf("*0、退出*\n");
	printf("********************************\n");
}
intmain(){
	charop[20];
	intselect;
	LinkListhead=getEmptyList();
	do{
		menu();
		printf("请选择:");
		fflush(stdin);
		fgets(op,20,stdin);
		fflush(stdin);
		switch(op[0]-'0'){
			case1:addNode(head,readData());break;
			case2:show(head);break;
			case3:sortNumber(head);break;
			case4:printf("按第几门功课排序；");
					scanf("%d",&select);
					sortScore(head,select);
					break;
		}
	}while(op[0]-'0');
	printf("END\n");
	return0;
}

用C语言编译程序学生成绩管理系统

c语言程序设计 学生成绩管理程序