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#include"stdio.h"
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#include"string.h"
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#define N 100
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#define NULL 0
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int n,m=0;//n为记录学生的个数；m为统计函数1中记录符合统计条件的个数
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struct kuangke
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{//有关旷课统计函数1的信息记录
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char name[40];
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int kuangke_num;
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}kuangke[N];
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struct kuangke2
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{//有关旷课统计函数2的信息记录
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char name[40];
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int num;
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}kuangke2[N];
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struct kuangke temp;//旷课信息交换
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struct kuangke2 temp2;//旷课信息交换
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struct Student
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{//
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int num;
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char name[40];
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char lesson_name[40];
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char lesson_time[40];
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float time;
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int chidao_num;
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int zaotui_num;
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int qingjia_num;
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int kuangke_num;
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}stu[N];
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void creat(void)
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{//创建学生缺课记录
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int i;
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printf("\n请输入需要创建缺课信息的总学生数：\n");
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scanf("%d",&n);
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printf("\n请输入缺课学生信息 包括：\n");
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printf("学号 姓名 课程名称 上课时间 缺课日期 迟到次数 早退次数 请假次数 旷课次数 \n");
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printf("例如：\n08 张三丰 C语言课程设计 三、四节 6.10 \t1 \t0 \t0 \t0\n\n");
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for(i=0;i<n;i++)
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{
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printf("\n请输入第%d位同学信息：\n",i+1);
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scanf("%d%s%s%s%f%d%d%d%d",&stu[i].num,stu[i].name,stu[i].lesson_name,stu[i].lesson_time,&stu[i].time,&stu[i].chidao_num,&stu[i].zaotui_num,&stu[i].qingjia_num,&stu[i].kuangke_num);
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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printf("第%d位同学信息为：\n\n",i+1);
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printf("\t学号\t姓名\t课程名称\n");
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printf("\t%d\t%s\t%s\n\n",stu[i].num,stu[i].name,stu[i].lesson_name);
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printf("\t上课时间\t缺课日期\n");
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printf("\t%s\t%0.2f\n\n",stu[i].lesson_time,stu[i].time);
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printf("\t迟到次数 早退次数 请假次数 旷课次数\n");
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printf("\t%d\t\t%d\t%d\t\t%d\n\n",stu[i].chidao_num,stu[i].zaotui_num,stu[i].qingjia_num,stu[i].kuangke_num);
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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}
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}
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void xiugai(void)
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{//修改学生缺课记录
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int i,k,flag=0;
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int num;
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printf("\n请输入需要修改信息的学号\n");
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scanf("%d",&num);
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for(i=0;i<n;i++)
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{//检测是否有符合的数据；
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if(num==stu[i].num)
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{
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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printf("%d号学生的信息为：\n\n",num);
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printf("\t学号\t姓名\t课程名称\n");
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printf("\t%d\t%s\t%s\n\n",stu[i].num,stu[i].name,stu[i].lesson_name);
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printf("\t上课时间\t缺课日期\n");
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printf("\t%s\t%0.2f\n\n",stu[i].lesson_time,stu[i].time);
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printf("\t迟到次数 早退次数 请假次数 旷课次数\n");
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printf("\t%d\t\t%d\t%d\t\t%d\n",stu[i].chidao_num,stu[i].zaotui_num,stu[i].qingjia_num,stu[i].kuangke_num);
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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for(;k!=9;)
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{//修改信息菜单
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printf("\n请选择需要修改的项目：\n\n");
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printf("\t1.学生姓名\t2.课程名称\t3.上课时间\n\n\t4.缺课日期\t5.迟到次数\t6.早退次数\n\n\t7.请假次数\t8.旷课次数\t9.退出\n");
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scanf("%d",&k);
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if(i<0||i>=50)
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break;
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printf("\n请输入修改信息：");
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switch(k)
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{
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case 1:scanf("%s",stu[i].name);break;
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case 2:scanf("%s",stu[i].lesson_name);break;
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case 3:scanf("%s",stu[i].lesson_time);break;
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case 4:scanf("%f",&stu[i].time);break;
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case 5:scanf("%d",&stu[i].chidao_num);break;
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case 6:scanf("%d",&stu[i].zaotui_num);break;
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case 7:scanf("%d",&stu[i].qingjia_num);break;
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case 8:scanf("%d",&stu[i].kuangke_num);break;
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case 9:break;
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default:printf("无该菜单选项，请重新输入\n\n");
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}
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printf("\n修改后的信息为：\n");
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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printf("%d号学生的信息为：\n\n",num);
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printf("\t学号\t姓名\t课程名称\n");
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printf("\t%d\t%s\t%s\n\n",stu[i].num,stu[i].name,stu[i].lesson_name);
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printf("\t上课时间\t缺课日期\n");
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printf("\t%s\t%0.2f\n\n",stu[i].lesson_time,stu[i].time);
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printf("\t迟到次数 早退次数 请假次数 旷课次数\n");
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printf("\t%d\t\t%d\t%d\t\t%d\n",stu[i].chidao_num,stu[i].zaotui_num,stu[i].qingjia_num,stu[i].kuangke_num);
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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}
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}
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else//未检测到信息时记录并提示错误信息；
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flag++;
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if(flag==n)
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printf("\n输入信息有误\n\n");
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}
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}
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void intfac(void)
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{//整型类数据查询
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int num,i,flag=0;
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scanf("%d",&num);
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for(i=0;i<n;i++)
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{//检测是否有符合的数据
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if(num==stu[i].num)
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{
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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printf("%d号学生的信息为：\n\n",num);
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printf("\t学号\t姓名\t课程名称\n");
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printf("\t%d\t%s\t%s\n\n",stu[i].num,stu[i].name,stu[i].lesson_name);
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printf("\t上课时间\t缺课日期\n");
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printf("\t%s\t%0.2f\n\n",stu[i].lesson_time,stu[i].time);
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printf("\t迟到次数 早退次数 请假次数 旷课次数\n");
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printf("\t%d\t\t%d\t%d\t\t%d\n",stu[i].chidao_num,stu[i].zaotui_num,stu[i].qingjia_num,stu[i].kuangke_num);
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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}
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else
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flag++;
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}
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if(flag==n)
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printf("\n输入信息有误\n\n");
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}
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void stringfac1(void)
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{//字符型数据查询
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int i,flag=0;
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char string[40];
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scanf("%s",string);
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for(i=0;i<n;i++)
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{//检测是否有符合的数据
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if(strcmp(string,stu[i].name)==0)//字符串比较
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{
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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printf("%d号学生的信息为：\n\n",stu[i].num);
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printf("\t学号\t姓名\t课程名称\n");
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printf("\t%d\t%s\t%s\n\n",stu[i].num,stu[i].name,stu[i].lesson_name);
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printf("\t上课时间\t缺课日期\n");
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printf("\t%s\t%0.2f\n\n",stu[i].lesson_time,stu[i].time);
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printf("\t迟到次数 早退次数 请假次数 旷课次数\n");
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printf("\t%d\t\t%d\t%d\t\t%d\n",stu[i].chidao_num,stu[i].zaotui_num,stu[i].qingjia_num,stu[i].kuangke_num);
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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}
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else
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flag++;
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}
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if(flag==n)
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printf("\n输入信息有误\n\n");
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}
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void stringfac2(void)
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{//字符型数据查询
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int i,flag=0;
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char string[40];
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scanf("%s",string);
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for(i=0;i<n;i++)
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{//检测是否有符合的数据
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if(strcmp(string,stu[i].lesson_name)==0)
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{
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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printf("%d号学生的信息为：\n",stu[i].num);
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printf("\t学号\t姓名\t课程名称\n");
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printf("\t%d\t%s\t%s\n\n",stu[i].num,stu[i].name,stu[i].lesson_name);
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printf("\t上课时间\t缺课日期\n");
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printf("\t%s\t%0.2f\n\n",stu[i].lesson_time,stu[i].time);
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printf("\t迟到次数 早退次数 请假次数 旷课次数\n");
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printf("\t%d\t\t%d\t%d\t\t%d\n",stu[i].chidao_num,stu[i].zaotui_num,stu[i].qingjia_num,stu[i].kuangke_num);
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printf("\n++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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}
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else
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flag++;
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}
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if(flag==n)
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printf("\n输入信息有误\n\n");
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}
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void chaxun(void)
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{//缺课信息查询
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int k;
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do
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{
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printf("\n*******************************************************************\n");
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printf("\n请选择查询项目\n\n");
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printf("\t1.按学号查询\t2.按姓名查询\n\n\t3.按课程名查询\t4.退出查询菜单\n\n");
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printf("\n*******************************************************************\n");
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scanf("%d",&k);
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switch(k)
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{
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case 1:printf("\n请输入学生学号：");intfac();break; //整型数据查询（学号）
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case 2:printf("\n请输入学生姓名：");stringfac1();break; //数据类型1查询 （姓名 字符串）
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case 3:printf("\n请输入课程名称：");stringfac2();break; //数据类型2查询 （课程名称 字符串 ）
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case 4:break;
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default:printf("无此菜单选项，请重新输入\n\n");
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}
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}while(k!=4);
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}
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void tongji1printf(void)
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{
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int i,j;
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printf("\n统计后的结果为：\n\n");
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printf("\n+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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printf("\t缺课学生姓名\t旷课次数\n\n");
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for(i=0;i<=m;i++)
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for(j=i+1;j<=m+1;j++) //统计1 学生的旷课次数的排序 旷课多--->旷课少
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{
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if(kuangke[i].kuangke_num<kuangke[j].kuangke_num)
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{
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temp=kuangke[i];
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kuangke[i]=kuangke[j];
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kuangke[j]=temp;
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}
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}
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for(i=0;i<=m;i++)
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printf("\t%s\t\t%d\n",kuangke[i].name,kuangke[i].kuangke_num);
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printf("\n+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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}
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void tongji2printf(void) //统计2
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{
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int i,k,j;
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printf("\n请输入课程门数:\n");
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scanf("%d",&k);
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for(i=0;i<k;i++)
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{
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printf("\n请输入第%d门课程的名称：\n",i+1);
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scanf("%s",kuangke2[i].name);
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kuangke2[i].num=0;
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printf("\n第%d门课程名称为：%s\n",i+1,kuangke2[i].name); ///旷的课的课名
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}
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for(j=0;j<k;j++) ///k为课程门数
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{//统计符合检测信息的个数
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for(i=0;i<=m;i++) // m为计数的变量 在执行这个函数前 已经令 m=k了
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{
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if(strcmp(kuangke2[j].name,kuangke[i].name)==0) //如果输入的课程名称是 有学生旷课的课程
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{
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kuangke2[j].num=kuangke2[j].num+kuangke[i].kuangke_num;
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}
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}
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}
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for(i=0;i<k;i++)//按从大到小排序
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for(j=i+1;j<k+1;j++)
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{
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if(kuangke2[i].num<kuangke2[j].num)
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{
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temp2=kuangke2[i];
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kuangke2[i]=kuangke2[j];
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kuangke2[j]=temp2;
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}
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}
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printf("\n统计后的结果为：\n\n");
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printf("\n+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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for(j=0;j<k;j++)
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{
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printf("\t课程名称\t旷课人次\n\n");
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printf("\t%s\t\t%d\n",kuangke2[j].name ,kuangke2[j].num);
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}
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printf("\n+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
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}
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void tongjifac1(void)
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{//信息检索
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float time1,time2;
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int i,flag=0,k;
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printf("请输入起始时间和终止时间\n");
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scanf("%f%f",&time1,&time2);
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for(i=0,k=0;i<n;i++)
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{
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if(stu[i].time>=time1&&stu[i].time<=time2)
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{
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if(stu[i].kuangke_num>0)
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{
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strcpy(kuangke[k].name,stu[i].name);
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kuangke[k].kuangke_num=stu[i].kuangke_num;
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m=k;
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k++;
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}
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else
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flag++;
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}
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}
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if(flag==n)
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printf("\n输入信息有误\n\n");
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else
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tongji1printf();
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}
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void tongjifac2(void)
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{//信息检索
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float time1,time2;
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int i,flag=0,k;
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printf("请输入起始时间和终止时间\n");
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scanf("%f%f",&time1,&time2);
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for(i=0,k=0;i<n;i++)
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{
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if(stu[i].time>=time1&&stu[i].time<=time2)
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{
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if(stu[i].kuangke_num>0)
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{
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strcpy(kuangke[k].name,stu[i].lesson_name);
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kuangke[k].kuangke_num=stu[i].kuangke_num;
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m=k;
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k++;
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}
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else
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flag++;
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}
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}
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if(flag==n)
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printf("\n输入信息有误\n\n");
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else
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tongji2printf();
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}
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void tongji(void)
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{//统计缺课情况
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int k;
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do
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{
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printf("\n*******************************************************************\n");
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printf("请选择统计项目\n\n");
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printf("\n\t1.统计某段时间内，旷课学生姓名及旷课次数。\n");
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printf("\n\t2.统计某段时间内，有学生旷课的课程及旷课人次。\n");
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printf("\n\t3.退出统计菜单\n");
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printf("\n*******************************************************************\n");
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scanf("%d",&k);
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switch(k)
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{
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case 1:tongjifac1();break;
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case 2:tongjifac2();break;
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case 3:break;
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default:printf("\n\n无此菜单选项，请重新选择\n");
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}
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}while(k!=3);
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}
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int main(void)
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{
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struct Student *head;
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int n;
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printf("\t\t\t欢迎使用学生考勤管理系统\n\n");
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printf("\t\t\t请统计好要输入的学生的个数\n\n");
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printf("\t\t\t并一次性输入所有的数据\n\n");
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printf("\t\t\t注意；本系统只能暂时保存数据\n\n");
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printf("\t\t\t所有数据不写入文档，请做好备份\n\n");
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do
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{
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printf("********************************************************************************\n\n");
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printf("\t\t\t1.创建学生缺课记录\n\n");
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printf("\t\t\t2.修改学生缺课记录\n\n");
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printf("\t\t\t3.查询学生缺课记录\n\n");
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printf("\t\t\t4.统计学生缺课记录\n\n");
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printf("\t\t\t5.退出统一考勤管理系统\n\n");
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printf("********************************************************************************\n");
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|
|
scanf("%d",&n);
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|
|
switch(n)
|
|
|
{
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|
|
case 1:creat();break;
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case 2:xiugai();break;
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case 3:chaxun();break;
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case 4:tongji();break;
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case 5:break;
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default:printf("无该菜单选项，请重新选择。\n\n");
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}
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}while(n!=5);
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}
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