kadai12H.c

#include <stdio.h>
#define NUM 100

void read(FILE *fp);

int main(void)
{
	FILE *fp;
	
	fp = fopen("C:\\Users\\啓汰\\Downloads\\BC PAD\\課題12DataFile\\kadai12h.txt","r");
	
	if ( fp == NULL )
	{
		printf("エラー\n");
		return 1;
	}
	
	read(fp);
	
	fclose(fp);
	
	return 0;
}

void read(FILE *fp)
{
	int sub1,sub2,all,sub1all,sub2all,party,flag,i;
	double avg,sub1avg,sub2avg,allall1,allall2,allavg1,allavg2;
	char gakuseki[NUM],name[NUM];
	
	printf("  学籍番号  氏名        科目1   科目2  平均\n");
	
	sub1all = 0;
	sub2all = 0;
	i = 0;
	flag = 1;
	allall1 = 0;
	allall2 = 0;
	
	while ( fscanf(fp,"%d %s %s %d %d",&party,gakuseki,name,&sub1,&sub2) != EOF )
	{
		if ( party != flag )
		{
			sub1avg = (double) sub1all / i;
			sub2avg = (double) sub2all / i;
			
			printf("\n  %d組平均               %.1f    %.1f\n\n",flag,sub1avg,sub2avg);
			
			sub1all = 0;
			sub2all = 0;
			i = 0;
			
			allall1 += sub1avg;
			allall2 += sub2avg;
			
		}
		
		
		all = sub1 + sub2;
		
		avg =  all / 2;
		
		printf("  %s    %s    %3d     %3d     %.0f\n",gakuseki,name,sub1,sub2,avg);
		
		sub1all += sub1;
		sub2all += sub2;
		
		
		flag = party;
		i++;
	}
	
	sub1avg = (double) sub1all / i;
	sub2avg = (double) sub2all / i;
	printf("\n  %d組平均               %.1f    %.1f\n",flag,sub1avg,sub2avg);
	
	allall1 += sub1avg;
	allall2 += sub2avg;
	
	allavg1 = (double) allall1 / flag;
	allavg2 = (double) allall2 / flag;
	
	printf("\n  全体平均              %.1f    %.1f\n",allavg1,allavg2);
}

define NUM 100

なんのNUM！？
このNUMは何を示す値？

○○_NUM
NUM_○○

などで意味ある名前を！