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kk258966

5/21 c++練習二

May 21st, 2014
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C++ 1.19 KB | None | 0 0
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <time.h>
  4. int main(void)
  5. {
  6.     int i;
  7.     int num,no[10];
  8.     int count,line;
  9.    
  10.     line=1;
  11.     FILE *written;
  12.     written=fopen("random.txt","w");
  13.     srand(time(NULL));
  14.    
  15.    
  16.     //////////////陣列歸零/////////////////
  17.     for (i=0;i<=4;i++)
  18.     no[i]=0;
  19.    
  20.     ///////////隨機產生重複數字////////////
  21.    
  22.     for (line=1;line<=10;line++)
  23.     {
  24.        for (i=0;i<=4;i++)
  25.       {
  26.         no[i]=rand()%100;
  27.         fprintf(written,"%d ",no[i]);
  28.       }
  29.     fprintf(written,"\n");
  30.     }
  31.    
  32.     fclose(written);
  33.    
  34.    ///////////////讀檔///////////////
  35.    printf("**讀檔**\n");
  36.    FILE *read;
  37.    int string[10];
  38.    read = fopen("random.txt","r");
  39.     while(!feof(read))
  40.     {
  41.                       fscanf(read,"%d %d %d %d %d \r\n",&string[1],&string[2],&string[3],&string[4],&string[5]);
  42.                       for (i=1;i<=5;i++)
  43.                       {
  44.                           printf("%d ",string[i]);
  45.                       }
  46.                       printf("\n================================\n");
  47.     }
  48.    
  49.     fclose(read);
  50.    
  51.    
  52.    
  53.    
  54.     system("pause");
  55.     return 0;
  56. }
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