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#include<stdio.h>
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#include<stdlib.h>
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#include<conio.h>
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#include<string.h>
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#include<io.h>
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struct birth
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{
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int year,month,day;
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};
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struct student
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{
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int number,age,tel[20];
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char name[10],sex,address[20];
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char E_mail[20];
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struct birth birthday;
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struct student *link;
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};
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void show()
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{
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printf("请输入数字加回车键进行选择:\n");
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printf("1.学生信息录入功能(学生信息用文件保存)-输入\n");
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printf("2.学生信息浏览功能-输出\n");
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printf("3.学生信息查询功能-按学号查询,按姓名查询\n");
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printf("4.学生信息的删除与修改\n");
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printf("按其他任意键加回车退出程序\n");
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}
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void credit(int n)
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{
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FILE *fp;
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char fpname[20];
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struct student *head,*next,*end;
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int i;
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printf("请输入用于存放文件的路径及路径名:");
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scanf("%s",fpname);
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getchar();
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fp=fopen(fpname,"a+");
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head=(struct student *)malloc(sizeof(struct student));
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printf("请输入学生学号 姓名 性别 出生年 月 日 地址 电话 e_mail:");
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scanf("%d %s %c %d %d %d %s %s %s",&head->number,head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
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getchar();
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fprintf(fp,"%d %s %c %d %d %d %s %s %s",head->number,head->name,head->sex,(*head).birthday.year,(*head).birthday.month,(*head).birthday.day,head->address,head->tel,head->E_mail);
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end=head;
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for(i=1;i<n;i++)
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{
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next=(struct student *)malloc(sizeof(struct student));
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printf("请输入学生学号 姓名 性别 出生年 月 日 地址 电话 e-mail:");
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scanf("%d %s %c %d %d %d %s %s %s",&head->number,head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
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getchar();
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fprintf(fp,"%d %s %c %d %d %d %s %s %s",head->number,head->name,head->sex,(*head).birthday.year,(*head).birthday.month,(*head).birthday.day,head->address,head->tel,head->E_mail);
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end->link=next;
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end=next;
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end->link=NULL;
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}
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fclose(fp);
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}
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int show2(int n)
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{
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FILE *fp;
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int i;
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char fpname[20];
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struct student *head;
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head=(struct student *)malloc(sizeof(struct student));
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printf("请输入用于存放信息的文件路径及文件名:");
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gets(fpname);
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fp=fopen(fpname,"r+");
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for(i=0;i<n;i++)
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{
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fscanf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
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printf("%d %s %c %d %d %d %s %s %s",&head->number,head->name,head->sex,(*head).birthday.year,(*head).birthday.month,(*head).birthday.day,head->address,head->tel,head->E_mail);
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}
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fclose(fp);
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}
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int search1(int n)
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{
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int i,checkname;
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FILE *fp;
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char fpname[20];
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struct student *head;
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head=(struct student *)malloc(sizeof(struct student));
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printf("请输入存放信息的文件路径及文件名:");
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gets(fpname);
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fp=fopen(fpname,"r+");
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printf("请输入要查询信息的学生学号:");
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scanf("%d",&checkname);
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getchar();
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for(i=0;i<n;i++)
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{
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fscanf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
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if(checkname==head->number)
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{
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printf("%d %s %c %d %d %d %s %s %s\n",head->number,head->name,head->sex,(*head).birthday.year,(*head).birthday.month,(*head).birthday.day,head->address,head->tel,head->E_mail);
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fclose(fp);
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return(1);
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}
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}
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printf("未找到");
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}
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int search2(int n)
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{
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int i;
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FILE *fp;
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char fpname[20],checkname[20];
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struct student *head;
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head=(struct student *)malloc(sizeof(struct student));
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printf("请输入存放信息的文件路径及文件名:");
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gets(fpname);
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fp=fopen(fpname,"r+");
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printf("请输入要查询信息的学生姓名:");
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scanf("%s",&checkname);
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getchar();
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for(i=0;i<n;i++)
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{
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fscanf(fp,"%d %s %c %d %d %d %s %s %s",&head->number,head->name,&head->sex,&(*head).birthday.year,&(*head).birthday.month,&(*head).birthday.day,head->address,head->tel,head->E_mail);
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if(strcmp(checkname,head->name)==0)
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{
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fprintf(fp,"%d %s %c %d %d %d %s %s %s",head->number,head->name,head->sex,(*head).birthday.year,(*head).birthday.month,(*head).birthday.day,head->address,head->tel,head->E_mail);
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fclose(fp);
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return(1);
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}
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}
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printf("未找到\n");
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}
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int most(n)
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{
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FILE *fp;
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char get;
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char fpname[20];
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struct student *ans[500];
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int i;
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char checkname[10];
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printf("请输入存放信息的文件路径及文件名:");
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gets(fpname);
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fp=fopen(fpname,"r+");
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ans[0]=(struct student *)malloc(sizeof(struct student));
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fscanf(fp,"%d %s %c %d %d %d %s %s %s",&ans[0]->number,ans[0]->name,&ans[0]->sex,&(*ans[0]).birthday.year,&(*ans[0]).birthday.month,&(*ans[0]).birthday.day,ans[0]->address,ans[0]->tel,ans[0]->E_mail);
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for(i=0;i<n;i++)
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{
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ans[i]=(struct student *)malloc(sizeof(struct student));
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fscanf(fp,"%d %s %c %d %d %d %s %s %s",&ans[i]->number,ans[i]->name,&ans[i]->sex,&(*ans[i]).birthday.year,&(*ans[i]).birthday.month,&(*ans[i]).birthday.day,ans[i]->address,ans[i]->tel,ans[i]->E_mail);
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ans[i-1]->link=ans[i];
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}
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ans[i]->link=NULL;
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printf("如果想修改信息请输入1加回车键，想删除信息输入2加回车键:");
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get=getchar();
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getchar();
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if(get=='1')
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{
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printf("请输入要修改信息的学生姓名:");
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scanf("%s",checkname);
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getchar();
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for(i=0;i<n;i++)
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{
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if(strcmp(checkname,ans[i]->name)==0)
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{
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printf("请输入学生新信息 学号 姓名 性别 出生年 月 日 地址 电话 e-mail:");
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scanf("%d %s %c %d %d %d %s %s %s",&ans[i]->number,ans[i]->name,&ans[i]->sex,&(*ans[i]).birthday.year,&(*ans[i]).birthday.month,&(*ans[i]).birthday.day,ans[i]->address,ans[i]->tel,ans[i]->E_mail);
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getchar();
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}
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}
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}
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if(get=='2')
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{
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printf("请输入要删除的学生姓名:");
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scanf("%s",checkname);
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getchar();
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for(i=0;i<n;i++)
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{
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if(strcmp(checkname,ans[i]->name)==0)
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{
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ans[i-1]->link=ans[i]->link;
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n--;
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break;
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}
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}
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}
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fp=fopen(fpname,"w+");
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for(i=0;i<n;i++)
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{
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fprintf(fp,"%d %s %c %d %d %d %s %s %s",ans[i]->number,ans[i]->name,ans[i]->sex,(*ans[i]).birthday.year,(*ans[i]).birthday.month,(*ans[i]).birthday.day,ans[i]->address,ans[i]->tel,ans[i]->E_mail);
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}
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fclose(fp);
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return(n);
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}
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void main ()
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{
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char get,get2;
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int n;
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while(1)
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{
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show();
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get=getchar();
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getchar();
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switch(get)
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{
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case '1':
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printf("请输入学生人数:");
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scanf("%d",&n);
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getchar();
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credit(n);
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break;
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case '2':
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show2(n);
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break;
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case '3':
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printf("按学号查找输入1加回车键，按姓名查找输入2加回车键:");
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get2=getchar();
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getchar();
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if(get2=='1')
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search1(n);
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if(get2=='2')
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search2(n);
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break;
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case '4':
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n=most(n);
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break;
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}
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if(get!='1'&&get!='2'&&get!='3'&&get!='4')
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break;
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}
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}
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