C语言基础语法第八章结构体demo8.10结构体指针数组函数综合应用改写选票系统.c

在这里插入代码片#include <stdio.h>
#include <stdlib.h>
#include <string.h>

struct XuanMin
{
	char name[64];
	int tickets;
};
//初始化选民函数
struct XuanMin* initXM(struct XuanMin *p,int *pNumber)
{
	struct XuanMin *pp;
	int i;
	if(p==NULL){
		printf("请输入有几个人参选\n");
		scanf("%d",pNumber);
		pp=malloc(*pNumber*sizeof(struct XuanMin));
	}
	for(i=0;i<*pNumber;i++){
		pp->tickets=0;
		printf("请输入第%d个选民的名字\n",i+1);
		scanf("%s",pp->name);
		pp++;
	}
	return pp-*pNumber;
	
}
//唱票函数
int doVot(struct XuanMin *p,int len)
{
	int i;
	int total = 5;//最多投五票
	char tmpName[64];
	int j;
	struct XuanMin *pbak = p;
	int mark ;
	int feipiao=0;
	for(i=0;i<total;i++){
		printf("你要投给谁\n");
		memset(tmpName,'\0',sizeof(tmpName));
		scanf("%s",&tmpName);
		p=pbak;
		mark = 0;
		for(j=0;j<len;j++){
			if(strcmp(tmpName,p->name)==0){
				p->tickets++;
				mark =1;
			}
			p++;
			
		}
		if(mark==0){
				printf("没有此候选人，投票无效\n");
				feipiao++;
			}
	}
	
	return feipiao;
}
//输出投票结果
void printfXm(struct XuanMin *p,int len)
{
	int i;
	for(i=0;i<len;i++){
		printf("姓名：%s,票数：%d\n",p->name,p->tickets);
		p++;
	}
	
}
//输出获票最多的人
struct XuanMin* getMax(struct XuanMin *p,int len)
{
	int i;
	struct XuanMin *M;
	M=p;
	for(i=0;i<len;i++){
		if(M->tickets < p->tickets){
		M=p;
		}
		p++;
		
	}
	
	return M;
}

int main()
{
	int xmNumber=0;
	struct XuanMin *xm=NULL;
	int feipiao;
	struct XuanMin *Max;
	//int c;
	xm=initXM(xm,&xmNumber);
	feipiao = doVot(xm,xmNumber);
	printfXm(xm,xmNumber);
	Max=getMax(xm,xmNumber);
	//printf("c=%d\n",c);
	printf("获票最多的是：%s,票数：%d,废票是：%d\n",Max->name,Max->tickets,feipiao);
	
	return 0;
}