5/28 C++ 練習一

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

    int i;
    int num,no[20];
    int count,line;

int main(void)
{
    line=1;
    FILE *written;
    written=fopen("random.txt","w");
    srand(time(NULL));

    ///////////////////陣列歸零///////////////////////
    for(i=1;i<=9;i++)
    no[i]=0;

    //////////////////隨機產生重複的數字//////////////

    while (line<6)
    {
          for (i=1;i<=10;i++)
          {
              num=rand()%100;
              fprintf(written,"%d ",num);
          }
          fprintf(written,"\n");

          line++;
    }
    fclose(written);

    printf("\n***寫檔完成***\n");

    ///////////////////讀檔///////////////////

    printf("\n****讀檔****\n");
    FILE *read;
    read=fopen("random.txt","r");
    int string[20];



    while(! feof(read))
    {
                      count=0;
                      for(i=1;i<=10;i++)
                      {
                                        fscanf(read,"%d",&string[i]);
                                        printf("%d ",string[i]);
                                        count=count+string[i];
                      }
                      printf("平均=%d",count/10);
                      printf("\n");
    }
    fclose(read);
    system("pause");
    return 0;
}