main.bak

csdn的C语言大赛自己的答案。各位大侠如果有空

#include "6.h"

main()
{
      FILE *fp;
      int X[14] , n , Sum , k;
      if( (fp = fopen("in.txt" , "r" )) == NULL)
          cout<< "不能打开in.txt" << endl;             //打开失败
      fscanf( fp , "%d" , &k );
      int i = 0;
      do{
          fscanf( fp , "%d" , &X[i]);
          i ++ ;          
          }while( X[i] != NULL );
      fclose( fp );
      n = i;                                           //n表示xi的个数 
      if(!(Sum = Count_Prime( X , n , k )))          //计算质数的个数 
               return -1;
      if((fp = fopen("out.txt" , "w" )) == NULL )    
             cout<<"不能打开out.txt" <<endl;           // 打开失败 
      fprintf(fp , "%d" , Sum );                       //输入到out.txt
      
      
      }//main