C程序经典100例

\rfclose(fp);\r)\r100.²³º»]¼2\r@P ` 100]\r½ÏTcÐMÑTcн3 ÒÓe¨ÔM˜™—‘´ Õ(Ö×cÐØMÙÚM\rÛÒÓ¨Ô)M†‡ÜݨÔMÞß½eÕ¿†‡eÜÝ”Âà–—²³“stud”\r‹P\r1 .P`\r2 .P`\r#include "stdio.h',\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(M\n please input No. %d score:\n",i);\rprintf(nstuNo:H);\rscanf(n%s",stu[i].num);\rprintf(nname:H);\rscanf("%su,stu[i].name);\rsum=0;\rfor(j=0;j<3;j++)\r{ printf("score %d.",j+l);\rscanf(,,%d,,,&stu[i].score[j]);\rsum+=stu[i].score[j];\r)\rstu[i].avr=sum/3.0;\r}\rfp=fopen("stud',,,,w");.\rfor(i=0;i<5;i++)\rif(fwrite(&stu[i],sizeof(struct student)J,fp)!=l)\rprintf("file write error\nn);\rfclose(fp);