C程序百例

\r?@?Øê@ëKY@ëØ3 ìí`ÐîKº»¼½¾a\PJ(ïðëñKòó,\rlìíÐî)K³´\rôõÐîKö÷Ø`PJ_³´`ôõ?PÔÛPƼÑÒ4stud4R?\r1 .\r?\r2 .\n?\r#include "stdio.h4\rstruct student\r{ char num[6];\rchar name[8];\rint score [3];\rfloat avr;\r} stu[5];\rmain ()\r{int i, j, sum;\rfile *fp;\r/*input*/\rfor(i=0;i<5;i++)\r{ printf (Kz\n please input no. %d score: \n4Ki);\rprintf("stuno:4)6\rs c a n f , stu[i]. num);\rprintf("name:4);\rs c a n f s t u [ i ] . name);\rsum=0;\rfor(j=0;j<3;j++)\r{ printf (""score %d. 4Kj+1);\rscanf (Kz%dKz, &stu[i]. score[j]);\rsum+=stu[i]. score[j];\rstu[i]. avr=sum/3. 0;.\rfp=fopen(4stud4, 4w4)6\rfor (i=0;i<5;i++)\rif(fw rite(& stu[i], sizeof(struct student),1, fp)!=1)\rp rin tf (Kzfile write error\nz/) ;\rfclose(fp);