#include<stdio.h>
#include<stdlib.h>
typedef struct
{ int ID;
int math;
int English;
int C;
int avargrade;
char name[20];
}Stu;
int main()
扫描二维码关注公众号,回复:
8497207 查看本文章
{ FILE*fp;
Stu stu[5];
int i,avargrade=0;
printf("请输入5个同学的信息:学生号,姓名,3门成绩:\n");
for(i=0;i<5;i++)
{
scanf("%d %s %d %d %d",&(stu[i].ID),stu[i].name,&(stu[i].math),&(stu[i].English),&(stu[i].C));
stu[i].avargrade=(stu[i].math+stu[i].English+stu[i].C)/3;
}
if((fp=fopen("stud","w"))==NULL)
{ printf("error :cannot open file!\n"); exit(0); }
for(i=0;i<5;i++)
fprintf(fp,"%d %s %d %d %d %d\n",stu[i].ID,stu[i].name,stu[i].math,stu[i].English, stu[i].C,stu[i].avargrade);
fclose(fp); // system("pause");
return 0;
}