進階程式設計 期中參考

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

int main(void)//主程式
{
    int i,max=0,min=10;
    int num, no[10];
    int count=0;
    srand(time(NULL));
//////////////陣列歸零///////////////////////////


    for (i=1; i<=10; i++)
        no[i]=0;


//////////////隨機產生不重複的數字//////////////////////////

    while (count<5)
    {
        num=rand()%10;
        if (no[num]==0)
        {
           no[num]=1;
           count = count + 1;
        }
    }

//////////////////////若陣列中的值為1則寫出///////////////

    FILE *written;
    written = fopen("random.txt","w");

    for (i=1; i<=10; i++)
    {
        if (no[i]==1)
        {
               fprintf(written,"%d ",i);
        }
    }
    fclose(written);
    printf("寫檔完成\n");
    printf("=====================\n\n");

/////////////////////讀檔找出最大值與最小值/////////////////////////////////////
    printf("**讀檔**\n");
    FILE *read;
    int b;
    read = fopen("random.txt","r");
    printf("開出的號碼有：\n");
    while((fscanf(read,"%d",&b))!=EOF)
    {


               if (b>max)
               {
                  max = b;
               }


               if (b<min)
               {
                  min = b;
               }
               printf("%d\n",b);
      }

    printf("=====================\n\n");

    printf("最大的號碼是：%d\n", max);
    printf("最小的號碼是：%d\n", min);




    printf("=====================\n\n");
   system("pause");
   return 0;
}