p4ny2efzk/main.c

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

void main()
{
 int num=0,add=0; /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܷ<EFBFBD> */
 int score[3]={10,7,5};/*<2A>ü<EFBFBD><C3BC><EFBFBD>*/ 
 char str[20],str1[10][20];

 while(1)
 {
  int a=0,b=0,d=0,c=0,k=0,i=0,j=-1,result;
  char sf[2]={'+','-'};/* <20><><EFBFBD><EFBFBD> */
  while(1)
  {
   a=rand()%51;/*0-50<35><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
   b=rand()%51;/*0-50<35><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
   d=rand()%2;/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
   if(d==0)c=a+b;
   else c=a-b;
   if(c>=0 && c<=50)/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>³<EFBFBD><C2B3><EFBFBD> */
   {
    sprintf(str,"%d %c %d = \n",a,sf[d],b);
    strcpy(str1[num],str);
    if(num==0) break;
    j=-1;
    for(i=0; i<num; i++)
    {
        if(strcmp(str,str1[i])==0)
    {    j=1;break;}
     }
     if(j<0)
      break;
   }
  }
  printf("%s\n",str);/* <20>ش<EFBFBD> */
  printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:\n");
  while(1)
  {
   scanf("%d",&result);
   k++;
   if(result==c)
   {
    printf("<EFBFBD>ش<EFBFBD><EFBFBD><EFBFBD>ȷ!\n");
    add+=score[k-1];
    break;
   }
   else if(k<3)
   {
    printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD>»ش<C2BB>:\n");
   }
   else 
   {    printf("<EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>: %d\n",c);
       break;
  }
  } 
   num++;
   if(num==10)break;
  }
  if(add>=90)printf("\nSMART\n");
  else if(add>=80)printf("\nGOOD\n");
  else if(add>=70)printf("\nOK\n");
  else if(add>=60)printf("\nPASS\n");
  else printf("\nTRY AGAIN\n");
getch();
}