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  1. #include <iostream>
  2. #include <stdio.h>
  3. #include <string.h>
  4. #include <stdlib.h>
  5. #include <algorithm>
  6.  
  7. using namespace std;
  8.  
  9. struct data {
  10.   struct data *next ;
  11.   int num  ;
  12.   int score ;
  13. };
  14.  
  15.  
  16.  
  17. int M( int num ) {
  18.     num = num * 2 / 3 ;
  19.     if(num %3 != 0 ) num++ ;
  20.     int i = 0 ;
  21.     bool yes = true ;
  22.     // 檢查 num 是否為質數 //
  23.     for (i = 2 ; i < num ; i++ )
  24.       if ( num%i == 0 ) yes = false ;
  25.  
  26.     if( yes ) return num ;
  27.     //  END //
  28.     // 找出比NUM大的質數 //
  29.     num++;
  30.     yes = true ;
  31.     for( num ; num ; num ++) {
  32.       for ( i = 2 ; i< num ; i++) {
  33.         if(num %i == 0 ) yes = false ;
  34.       } // for
  35.       if ( yes ) return num ;
  36.     }  // for
  37. }  // int M()
  38.  
  39. int H( int num ,int m ) {
  40.   num = ( ( 97 * num ) + 11 ) % m ;
  41.   return num ;
  42. }
  43.  
  44.  
  45. int main()
  46. {
  47.     FILE *fI ;
  48.     FILE *fO ;
  49.     char ip[200] ; // input檔名 //
  50.     char op[200]= "" ; // output //
  51.     cout << "請輸入檔案名稱：" ;
  52.     cin >> ip ;
  53.     int num ;  // 學生總數 //
  54.     char temp ;
  55.     strcat( op, ip ) ;
  56.     strcat( op, "_output.txt" ) ;
  57.     strcat( ip, ".txt" ) ;
  58.     fI = fopen( ip, "r") ;
  59.     fO = fopen( op, "w" ) ;
  60.     fscanf(fI, "%d%c", &num ,&temp ) ;
  61.     data dataA[M( num )]  ;
  62.     data dataB[M( num )]  ;
  63.     data dtemp ;
  64.     int number ; // 學號 //
  65.     int sc ; // 分數 //
  66.     int index ;
  67.  
  68.     fscanf( fI, "%d%c%d%c", &number,&temp,&sc,&temp ) ;
  69.     index = H (number, M( num ) ) ;
  70.  
  71.  
  72.     dataA[index].num = number ;
  73.     dataA[index].score = sc;
  74.     dataA[index].next = NULL ;
  75.  
  76.     dataB[index].num = number ;
  77.     dataB[index].score = sc;
  78.     dataB[index].next = NULL ;
  79.  
  80.  
  81.     while( temp != '\n' ) {
  82.  
  83.  
  84.       fscanf( fI, "%d%c%d%c", &number,&temp,&sc,&temp ) ;
  85.       index = H (number, M( num ) ) ;
  86.       /*******AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA****/
  87.       if( dataA[index].num == 0 ) {
  88.         dataA[index].num = number ;
  89.         dataA[index].score = sc;
  90.         dataA[index].next = NULL ;
  91.       }
  92.  
  93.       else {
  94.         dataA[index].next=dataA[index] ;
  95.         dataA[index].num = number ;
  96.         dataA[index].score = sc;
  97.       }
  98.       /*******AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA****/
  99.  
  100.       /*******BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB****/
  101.  
  102.       /*******BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB****/
  103.     }
  104.  
  105.  
  106.  
  107.     fclose(fI) ;
  108.     fclose(fO) ;
  109. }
  110.  
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https://ideone.com/dO9o4d
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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