tanrunti_001/课程设计（final）(final).cpp

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<windows.h>
#include<conio.h>
typedef struct exam_system       //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
{
 char problem[150];    
 char answer[4][20];     
 char right;         
 char input;
 struct exam_system *next;
}EXAM;                           //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD> 

void Createlink();               //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
void exam();                     //<2F><><EFBFBD>Գ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD>溯<EFBFBD><E6BAAF> 
void management();               //<2F><>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
void preservation();             //<2F><><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD><EFBFBD><EFBFBD> 
void experience();               //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⺯<EFBFBD><E2BAAF>
void add();                      //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD>  
void modification();             //<2F>޸<EFBFBD><DEB8><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD> 
void Answer();                   //<2F><><EFBFBD>⺯<EFBFBD><E2BAAF> 

FILE *fp;
int sum;                         //<2F><>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD>
struct exam_system *p1,*p2,*head;

int main()
{
 Createlink();
 system("color 75");             //<2F>Զ<EFBFBD><D4B6><EFBFBD>background 
 exam();
 return 0;
}

void Createlink()                                   //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{ 
 head=(EXAM *)malloc(sizeof(EXAM));           //<2F><><EFBFBD><EFBFBD>ͷ<EFBFBD>ڵ<EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>̬<EFBFBD>ڴ<EFBFBD> 
 p2=p1=head;                                  //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ 
 p1->next=NULL;                               //<2F><>p1ָ<31><D6B8>ĩβ 
 if((fp=fopen("D:\\exam.txt","r+"))==NULL)
 { 
    printf("<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD>");
	exit(0); 
 }
 while(1)
 {
     p1=(EXAM*)malloc(sizeof(EXAM));
	 if(fread(p1,sizeof(EXAM),1,fp)==0)     //<2F><>ȡ<EFBFBD><C8A1>Ϣ 
	 break;                                 //<2F><><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD> 
     p2->next=p1;                           //<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
     p2=p1;                                 //p1<70><31>p2ͬʱָ<CAB1><D6B8><EFBFBD>¿<EFBFBD><C2BF>ٵĽڵ<C4BD>
     sum++;                                
     p2->next=NULL;                         //<2F><>p2ָ<32><D6B8>ĩβ 
 }
 fclose(fp);
}

void exam()                                 //<2F><><EFBFBD>Խ<EFBFBD><D4BD>溯<EFBFBD><E6BAAF> 
{
 int x;
 system("cls");  
 printf("\t\t*********<2A><>ӭ<EFBFBD><D3AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><D1A1><EFBFBD>⿼<EFBFBD><E2BFBC>ϵͳ*********\n");
 printf("\t\t*                                          *\n");
 printf("\t\t*               1.<2E><>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD>                 *\n");
 printf("\t\t*                                          *\n");
 printf("\t\t*               2.<2E><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>                 *\n");
 printf("\t\t*                                          *\n");
 printf("\t\t*               3.<2E>˳<EFBFBD>                     *\n");
 printf("\t\t*                                          *\n");
 printf("\t\t********************************************\n");
 printf("\n");
 printf("<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
 scanf("%d",&x);
 switch(x)
 {
 case 1:management();break;
 case 2:Answer();break;
 case 3:exit(0);break;
 default :printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");break;
 }
}

void management()                          //<2F><>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
{
 int x;
 system("cls");  
 printf("\t\t************<2A><>ӭ<EFBFBD><D3AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD>ϵͳ************\n");
 printf("\t\t*                                          *\n");
 printf("\t\t*               1.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ                 *\n");
 printf("\t\t*                                          *\n");
 printf("\t\t*               2.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>                 *\n");
 printf("\t\t*                                          *\n");
 printf("\t\t*               3.<2E>޸<EFBFBD><DEB8><EFBFBD>Ŀ                 *\n");
 printf("\t\t*                                          *\n");
 printf("\t\t*               4.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>               *\n");
 printf("\t\t*                                          *\n");
 printf("\t\t********************************************\n");
 printf("\n");
 printf("<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
 scanf("%d",&x);
 switch(x)
 {
 case 1:add();management();break;
 case 2:experience();management();break;
 case 3:modification();management();break; 
 case 4:;exam();break;
 default :printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");break;
 }
}

void preservation()                         //<2F><><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD><EFBFBD><EFBFBD> 
{
 EXAM *current=NULL;
 current=head->next;
 fp=fopen("D:\\exam.txt","w+");        
 do
 {
    fwrite(current,sizeof(EXAM),1,fp);      //<2F><><EFBFBD><EFBFBD><EFBFBD>洢 
    current=current->next;                  //<2F><>ǰָ<C7B0><D6B8>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>һ<EFBFBD><D2BB> 
 }while(current!=NULL);                     //ֱ<><D6B1>ָ<EFBFBD><D6B8>ĩβ 
 fclose(fp);
 printf("\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
 getch();
}

void experience()                             //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⺯<EFBFBD><E2BAAF> 
{
 int c,i;
 EXAM *p=NULL;
 system("cls");
 if(sum==0)
 {
 printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>\n");
 printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
 getch();
 }
else
 {
  p=head;
  i=0;
  do
  { 
   p=p->next;
   printf("%d.%s\n",i+1,p->problem);
   c=0;
   while(c<4)
   {
    printf("%c:",c+'A');
     printf("%s\n",p->answer[c++] );
   }
   printf("<EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
   printf("%c\n",p->right);
   i=i+1;
   printf("\n-------------------------------------------------------------\n");
  }while(p->next!=NULL);
  p=NULL;
  printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
  getch();
 }
}

void add()                                         //<2F><>Ŀ<EFBFBD><C4BF><EFBFBD>Ӻ<EFBFBD><D3BA><EFBFBD> 
{
 int n,i;
 system("cls");
 printf("\t\t**************<2A><>ӭ<EFBFBD><D3AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD>ϵͳ****************\n");
 do
 {
        p1=(EXAM *)malloc(sizeof(EXAM));  
        p2->next=p1;                                //<2F><><EFBFBD><EFBFBD>p1<70><31>p2 
        p2=p1;                                      //ָ<><D6B8><EFBFBD><EFBFBD>ͬ 
        printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>%d<><64><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF>",sum+1);
        scanf("%s",p1->problem);
        printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뱸ѡ<EFBFBD>𰸣<EFBFBD>\n");
        for(i=0;i<4;i)
        {
          printf("%c)",i+'A');
          scanf("%s",p1->answer[i++] ); 
        }
        printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD>𰸣<EFBFBD>");
        p1->right =getchar();
        scanf("%c",&p1->right );
        sum+=1;
        printf("\n");
        printf("\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>⣿\n1.<2E><>\n2.<2E><>\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD>");
        scanf("%d",&n);
        if(n==2)
        {
           p2->next=NULL;   
           break;
        }
        system("cls");
 }while(n==1);
 preservation();
}

void modification()                           //<2F>޸<EFBFBD><DEB8><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD> 
{
 int i,num;
 EXAM *p1=NULL;
 EXAM *p2=NULL;
 experience();
 if(sum>=1)
 {
     p1=(EXAM *)malloc(sizeof(EXAM));         //ΪP1<50><31><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>̬<EFBFBD>ڴ<EFBFBD> 
     p2=head;                              
     printf("<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>޸ĵ<EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD>");
     scanf("%d",&num);
     for(i=0;i<num-1;i++)
        p2=p2->next;                          //<2F><>ʱp2<70><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ų<EFBFBD><C5B2>num-1<><31> 
     printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>");
     scanf("%s",p1->problem);
     printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뱸ѡ<EFBFBD>𰸣<EFBFBD>\n");
     for(i=0;i<4;)
     {
      printf("%c)",i+'A');
      scanf("%s",p1->answer[i++] ); 
     }
     printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD>𰸣<EFBFBD>");
     p1->right=getchar();
     scanf("%c",&p1->right);
     p1->next=p2->next->next;                 //<2F>ڵ<EFBFBD><DAB5>滻<EFBFBD><E6BBBB><EFBFBD>ӳɹ<D3B3> 
     p2->next=p1;                             //p1<70><31>p2<70><32><EFBFBD><EFBFBD>
     p1=NULL; 
     p2=NULL;                                 //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊĩβ 
     preservation();
 }
}

void Answer()                               //<2F><><EFBFBD>⺯<EFBFBD><E2BAAF> 
{
   int i,j,c;
   int n;
   char write;
   int score=0;
   EXAM *p=NULL;
   printf("ף<EFBFBD>㿼<EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
   system("cls");
   if(sum=0)
   printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ!\n");
    else
    {
        i=0;
        p=head;
        printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
		scanf("%d",&n);
        do
        {
		  p=p->next;                      //<2F><><EFBFBD><EFBFBD>ָ<EFBFBD>룬<EFBFBD><EBA3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ṹ<EFBFBD><E1B9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
          printf("%d.%s\n",i+1,p->problem);
          c=0;
          while(c<4)
          {
              printf("%c)",c+'A');
              printf("%s\n",p->answer[c++] );
          }
          printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ𰸣<EFBFBD>");
          getchar(); 
          scanf("%c",&write);
          if(p->right==write)
		  {
		  	printf("\n<EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> %c <20><><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD> %c ",write,p->right);
		  	score+=1;
		  }
		  else
		  {
		  	printf("\n̫<EFBFBD><EFBFBD>ϧ<EFBFBD><EFBFBD>~<7E><><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD> %c <20><><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD> %c ",write,p->right);
		   } 
          i=i+1;
          printf("\n----------------------------------------------------------\n");
          if(i==n)                       //<2F><><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>Ҫ<EFBFBD><D2AA> 
          	break; 
        }while(p->next!=NULL);
        printf("<EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD><EFBFBD>!\n");
        printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>%d\n<EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>%d\n",n,score);
        getch();
        ;
    }
    printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
    getchar();
}