wrb123/wrbnb.cpp

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
struct singer
{
	char  id[10];
	int   rank;
	char name[10];
	int score[10];
	float mark;
};
int main(void)
{
	int i,b,j,s,n,t;
	FILE *fp;
	int sum,max,min;
    struct singer a[5];
    
	printf("          <20><><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>ϵͳ         \n");
	printf("          <20>˵<EFBFBD>                 \n");
	printf("1:<3A><><EFBFBD><EFBFBD>ѡ<EFBFBD>ֱ<EFBFBD><D6B1>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD>\n");
	printf("2:<3A><>ί<EFBFBD><CEAF><EFBFBD><EFBFBD>\n");
	printf("3:<3A><><EFBFBD><EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>\n");
	printf("4:<3A>ɼ<EFBFBD><C9BC><EFBFBD><EFBFBD><EFBFBD>\n");	
	printf("5:д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>\n");
    printf("6:<3A>鿴<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>\n");
	printf("7:<3A>˳<EFBFBD>ϵͳ\n");
	printf("    ");
	for( ; ;)
	{
     printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
	 scanf("%d",&n);
	 switch(n)
	 {
case 1:
	     printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD>ֱ<EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
		for(i=0;i<5;i++)
		{ 
		printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD>%d<><64>ѡ<EFBFBD>ֵı<D6B5><C4B1>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD>:",i);
	     scanf("%s %s",a[i].id,a[i].name);
		} 
		 break;
		 
case 2:
	        printf("<EFBFBD><EFBFBD>ί<EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
			printf("<EFBFBD><EFBFBD><EFBFBD>߷<EFBFBD>Ϊ100<EFBFBD><EFBFBD>\n");
		 	for(i=0;i<5;i++)
			 {
		 		printf("<EFBFBD><EFBFBD>ί<EFBFBD><EFBFBD>%d<>Ÿ<EFBFBD><C5B8>ִ<EFBFBD><D6B4><EFBFBD>:\n",i);
		 	for(j=0;j<5;j++)
			 {
		 	printf("%d<><64><EFBFBD><EFBFBD>ί<EFBFBD><CEAF><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD>:",j);
 	        scanf("%d",&a[i].score[j]);
			 }
		}
		    break;
		    
case 3:
		for(i=0;i<5;i++)
	{
	  max=a[i].score[0];
	  min=a[i].score[0];
	  sum=0;
	 for(j=0;j<5;j++)
	 {   
	 
	 	sum=sum+a[i].score[j];
	 	
	 	if(a[i].score[j]>max)
		 {
	 	max=a[i].score[j];
		 }
	 	if(a[i].score[j]<min)
		 {
	 	min=a[i].score[j];
		 }
	 }

	 printf("%d<>Ÿ<EFBFBD><C5B8>ֵ<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>",i);
	 a[i].mark=(sum-min-max)/3.0;
	 printf("%f\n",a[i].mark);
	 }
     break;
case 4:
        for(i=0;i<=n;i++)
		{
			    s=0;
				for(j=0;j<=n;j++)
			{
				if(a[i].mark<a[j].mark)
				s++;
			}
				a[i].rank=s;
		}
				for(i=0;i<=n;i++)
				{
					for(j=0;j<=n;j++)
					{
						if(i==a[j].rank)
							printf("%s<>ǵ<EFBFBD>%d   <20>÷<EFBFBD>Ϊ%.2f\n",a[j].name,i,a[j].mark);
					}
					printf("\n");
		        }
				break;
case 5:
	 if((fp=fopen("singer.txt","w"))==NULL)
	 {
	 	printf("cann't open file");
	 	
	 }
	 
	 for(i=0;i<5;i++)
	 {
	 	fwrite(&a[i],sizeof(struct singer),1,fp);
	 }
	 fclose(fp);
	 printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>\n"); 
    break;
case 6:
	if((fp=fopen("singer.txt","rb"))==NULL)
	{
		printf("cann't open file");
	}
	for(i=0;i<5;i++)
	{
		fscanf(fp,"%s %s %f",a[i].id,a[i].name,&a[i].mark);
	printf("%s %s %f\n",a[i].id,a[i].name,&a[i].mark);
	}
	break;
case 7:
	exit(0);
}

}
return 0;
}