C语言编程程序

rfor(i=0;i<n;i++)\r{putc(c[i],fp);\rputchar(c[i]);\r)\rfclose(fp);\r)\r??100\r\nXdÐþ1¨ÐþX3ÿ 0@P`p?\r(?,\r@ 0)@\r 0@!\r"#?$%&'p()“stud”*+\r1..#/0\r2.123450\r#include"stdio.h"\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:");EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rscanf("%s",stu[i].num);\rprintf("name:");\rscanf("%s",stu[i].name);\rsum=O;\rfor(j=0;j<3;j++)\r{printf("score%d.",j+1);\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(structstudent),1,fp)!=1)\rprintf("filewriteerror\n");\rfclose(fp);\r)