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#include<stdio.h>
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#include<string.h>
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int main()
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{
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printf(" 机房机位预定系统 \n");
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printf(" 菜单 \n");
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int u=5,time,number,telephonenumber;
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printf(" <请输入功能前的数字来选择你想要选择的服务> \n");
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printf(" **********************************************************\n");
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printf(" * 1.查询某时间段机位状态 *\n");
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printf(" * 2.预定空机位 *\n");
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printf(" * 3.取消预定 *\n");
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printf(" * 4.查询等待结果 *\n");
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printf(" * 5.退出 *\n");
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printf(" **********************************************************\n");
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printf("请输入你想要选择的服务：");
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scanf("%d",&u);
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if(u==1)
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{
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printf("请输入（8-20）范围内的时间：");
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scanf("%d",&time);
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if(time<8||time>20)
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{
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printf("\t时间输入错误！\n");
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printf("输入在（8-20)范围内的时间:");
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scanf("%d",&time);
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}
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printf("这是在该时间段未被使用或预约的电脑机号：");
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}
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if(u==2)
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{
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printf("请输入（8-20）范围内的时间：");
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scanf("%d",&time);
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if(time<8||time>20)
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{
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printf("\t时间输入错误！\n");
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printf("输入在（8-20)范围内的时间:");
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scanf("%d",&time);
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}
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printf("请输入你想要预定的机号，并且留下你的手机号码！：\n");
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scanf("%s %s",&number,&telephonenumber);
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printf("再次输入你想要的预定的时间！\n");
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scanf("%d",&time);
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printf("预定成功！\n");
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}
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if(u==3)
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{
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printf("在（8-20）时间范围内输入你已经预定的时间：");
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scanf("%d",&time);
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if(time<8||time>20)
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{
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printf("输入时间错误！\n");
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printf("在（8-20）时间范围内输入你已经预定的时间：\n");
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scanf("%d",&time);
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}
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else
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{
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printf("输入你预定的机号:\n");
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scanf("%d",&number);
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}
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printf("\t取消成功！\n");
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}
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if(u==4)
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{
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printf("请输入你想要查询的时间段:\n");
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scanf("%d",&time);
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if(time<8||time>20)
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{
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printf("输入时间错误\n");
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printf("在（8-20）时间范围内输入你已经预定的时间:");
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scanf("%d",&time);
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}
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}
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if(u==5)
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printf("已成功退出!\n");
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}
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