#include <stdio.h>
#include <.h>
#include <stdlib.h>
#include <unistd.h>
id[ name[
typedef userName[ userPassword[
main( argc, *
system(
FILE * file=fopen(, (fread(&aStudent, ( Student), , file)==
printf( scanf(,& (land== }
(land==
printf(
printf( printf( scanf( printf( scanf( FILE * ((fp=fopen(, ))== printf( exit( ((fwrite(&userInput, (UserInfo), , fp))!= printf( exit(
UserInfo userInput,userBase[ i=,count=,chance=
FILE * ((fp=fopen(, ))== printf( exit(
(fread(&userBase[i], (UserInfo), , fp)!= i++ count=
printf( ( printf( scanf( printf( scanf(,userInput.userPassword);
(i=; i<count; i++ ((strcmp(userInput.userName, userBase[i].userName)==)&&(strcmp(userInput.userPassword, userBase[i].userPassword)== (chance!= printf(,- chance++ (chance>= printf( exit(
printf( printf( printf( scanf(,& printf(
FILE * Student student[ flag= i= k= count= m=
((fp=fopen(, ))== printf( exit(
(i=;fread(&student[i], ( Student), , fp)!=;i++ count=
printf( i= ( printf(
printf(,i+ scanf(
(k=i-; k>=; k-- (strcmp(student[i].id, student[k].id)== printf( flag=
(k=; k<count; k++ (strcmp(student[i].id, student[k].id)== printf( flag= }
flag= printf( scanf( }
flag= printf( scanf(,& (student[i].score>||student[i].score< flag= }
i++ m++ printf( scanf(,& (ch!=&&ch!=
((fp=fopen(, ))== printf( exit(
(i=; i<m; i++ (fwrite(&student[i], ( Student), , fp)!= printf(
id[ FILE *
printf( printf( scanf( ( ((fp=fopen(,))== printf(
(fread(&student, ( Student), , fp)!= (strcmp(id,student.id)== printf(
(strcmp(id,student.id)!= printf(
printf( scanf( (strcmp(id,)==||strcmp(id,)==
FILE * Student student[ i= count=
((fp=fopen(, ))== printf(
(i=;fread(&student[i], ( Student), , fp)!=;i++ count=
((fp=fopen(, ))== printf(
printf( ( flag= printf( scanf( ( k=; k<count; k++ (strcmp(student[count].id, student[k].id)== printf( flag= } printf( scanf( printf( scanf(,& (fwrite(&student[count], ( Student), , fp)!= printf( printf( printf( scanf(,& (ch!=&&ch!= count++
id[ FILE *infile,* Student students[ i=,flag=-,count=
printf(
((infile=fopen(,))== printf(
(fread(&students[i], ( Student), , infile)!=) i++ count=
printf( scanf( ( (i=; i<count; i++ (strcmp(id,students[i].id)== flag=
(flag==- printf(
printf( scanf(,& (sure== (i=flag; i<count-; i++ students[i]=students[i+ count--
outfile=fopen(, (i=; i<count; i++ (fwrite(&students[i], ( Student), , outfile)!= printf( printf(
printf( scanf(
(strcmp(id,)==||strcmp(id,)==
unlink();
rename( ,);
FILE * id[ score=,count=,flag= i= Student students[
((fp=fopen(,))== printf( (fread(&students[i], ( Student), , fp)!=) i++ count=
printf( ( printf( scanf(
(i=;i<count;i++ (strcmp(id,students[i].id)== printf( printf( scanf(,& students[i].score= flag=
printf(
((fp=fopen(,))== printf( (i=; i<count; i++ (fwrite(&students[i], ( Student), , fp)!= printf(
printf( scanf(,& (ch!=&&ch!=
FILE * Student students[ i=,j=,count=
((fp=fopen(,))== printf(
(fread(&students[i], ( Student), , fp)!=) i++ count=
printf( (i=;i<count-;i++ (j=;j<count--i;j++ (students[j].score<students[j+ temp= students[j]=students[j+ students[j+]= printf();
(i=; i<count; i++ printf( (j=; j<-strlen(students[i].id); j++ printf(
printf( (j=; j<-strlen(students[i].name); j++ printf(
printf(
printf( getchar();
scanf(,&
}
運行截圖：
