C经典程序

har(c[i]);\r}\rfclose(fp);\r\r? 100²\r:¡³Pr´45Pr´¡3 µ¶2˜·,‚ƒ„…SPpB(¹ºr´»4¼½4]µ¶˜\r·),|}8\r¾¿˜·4ÀÁ¡2pB?|}82¾¿?p£Fƒš›"stud”H.\r1 .\r??\r2 .\r?\r#include "stdio.h"\rstruct student\r{ char numl6J;\rchar name[81a\rint score[3];\rfloat avr;\r} stu[5];\rmain()\r{int i,j,sum;\rHLE *fp;\r/*input*/\rfor(i=0;i<5;i++)\r{ printf("\n please input No. %d score:\nH,i);\rprintfC^tuNo:");\rscanf(H%s",stu[i].num);\rprintf("name:u);\rscanf("%s'\stu[i].name);\rsum=0;\rfor(j=0;j<3;j++)\r{ printf(Mscore %d."j+l);\rscanf(M%dn,&stu[i].score[j]);.\rsum+=stu[i].score|j];\r)\rstu[il.avr=sum/3.0;\r)\rfp=fopen(',stud'',"w,');\rfor(i=0;i<5;i++)\rif(fwrite(&stu[i],sizeof(struct student),l,fp)!=l)\rprintfC'file write error\nH);\rfclose(fp);