C语言经典编程例子

e(fp);\r)\r\r?100]\r”§e¨!e¨”3©ªŒ«uvwxyB=. ¬­e¨\r®¯°K©ªŒ«¥no%\r±²Œ«³´”.@no%±²?‘—2wŽ“stud”4L\r1.\r??\r2.\r?\r#include"stdio.h"EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rstructstudent\r{charnum[6];\rcharname[8];\rintscore[3];\rfloatavr;\r}stu[5];\rmain()\r{inti,j,sum;\rFILE*fp;\r/*input*/\rfor(i=0;i<5;i++)\r{printf("\npleaseinputNo.%dscore:\n",i);\rprintf("stuNo:");\rscanf("%s",stu[i].num);\rprintf("name:");\rscanf("%s",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];EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rstu[i].avr=sum/3.0;\r)\rfp=fopen("stud","w");\rfor(i=0;i<5;i++)\rif(fwrite(&stu[i],sizeof(structstudent),l,fp)!=l)\rprintf("filewriteerror\n");\rfclose(fp);\r)