進階程式設計 期中參考2

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




int main(void)//主程式
{


    FILE *read;
    read = fopen("score.txt","r");
    int i,j;
    int string[50];
    int count, sum;
    float avg, degree[20];//avg放平均分數，degree[變數]=1為不及格， degree[變數]=0為及格
    count = 0;
///////////////////////陣列歸零//////////////////////////////////////////////////

    for (i=1; i<=20; i++)
        degree[i]=0;



/////////////////////讀成績檔////////////////////////////////////////////

    printf("\n**讀成績檔**\n\n");
    while(! feof(read) ){
            fscanf(read, "%d %d %d %d %d %d %d %d %d %d\r\n", &string[1],&string[2],&string[3],&string[4],&string[5],&string[6],&string[7],&string[8],&string[9],&string[10]);
            sum=0;
            for (i=1; i<=10; i++)
            {
                sum = sum + string[i];
                printf("%d ",string[i]);
            }
            count = count + 1;
            avg = (float)sum/10;

            if (avg<60)//將不及格的挑出
               degree[count]=1;



            printf("   平均：%.2f",(float)sum/10);
            printf("\n===============================================================\n\n");
    }
    fclose(read);

////////////////////讀檔，若degree[count]=1則印出來/////////////////////////////////////////

    printf("**讀檔**\n");
    char str[100];
    int b,num;
    read = fopen("student.txt","r");
    count=1;

    printf("不及格的有：\n");
    while (fgets (str, 65535, read))
    {
          if (degree[count]==1)
          {

            printf("%s",str);
          }
          count=count+1;
    }
    fclose(read);
/////////////////////////////////////////////////////////////////////////////////////////

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