C语言学习知识程序设计100个简单的经典编辑例子

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2.程序源代码： #include \struct student { char num[6]; char name[8]; int score[3]; float avr; } stu[5]; main()

{int i,j,sum; file *fp; /*input*/

for(i=0;i<5;i++)

{ printf(\printf(\

scanf(\printf(\

scanf(\sum=0;

for(j=0;j<3;j++)

{ printf(\scanf(\sum+=stu[i].score[j]; }

stu[i].avr=sum/3.0; }

fp=fopen(\for(i=0;i<5;i++)

if(fwrite(&stu[i],sizeof(struct student),1,fp)!=1) printf(\fclose(fp); }