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

int main()
{
	FILE *fp;  /*1.定义文件指针*/         
	long num;
	char stname[20];
	int i,score;
	int avg_score=0;
	 /*2.打开文件*/ 
	if((fp=fopen("f12-1.txt","r"))==NULL) /*此时 f12-1.txt 需与程序在同一路径下*/ 
	{
		printf("File open error!\n");
		exit(0);
	}
	/*3.文件处理（逐个读入和处理数据）*/
	for(i=0;i<5;i++)
	{
		fscanf(fp,"%ld%s%d",&num,stname,&score);//从文件读入成绩保存到变量 
		avg_score += score;            //统计总分 
		printf("%ld %s %d\n",num,stname,score); 
	 } 
	 printf("Average score:%d\n",avg_score/5); //输出平均分到屏幕 
	/*4.关闭文件*/ 
	if(fclose(fp)){         
	 	printf("Can not close the file!\n");
	 	exit(0);
	}
	getchar(); 
	 return 0;
 }