yl5.c

模拟了飞机自动订票系统

/* Note:Your choice is C IDE */
#include "stdio.h"
#define size 11
//开始进入主程序进行主要问题的研究
void main()
{
	static int seat[size]={0};
	int seatlevel=0;
	int seatnumber=0;
	int count=0;//数组元素个数计数器
	int neednum=0;//需要定的票数
	int lefttickets=0;//检查还有几个空座计数器
	int i=0;//检查订票系统就是座位数组中还是空位即0的最小下标值。
	int j=0;
	int k=0;
	int m=0;//检查订票系统经济舱就是座位数组中6-10还是不是有空位即0的最小下标值
	int differ=0;
	int p=0;//一等舱票计数器
	int q=0;//经济舱票计数器
	int r=0;
	int s=0;
	static int minnum1=0;//座位数组中一等舱空位子的最小下标，这是为输出票面座号来准备的。
	static int minnum2=0;//座位数组中经济舱空位子的最小下标，这是为输出票面座号来准备的。
	char want;
	char y=0,n=0;
	
	//开始处理问题程序块
	printf("please type 1 for first Class \n");
	printf("please type 2 for economy \n");
	scanf("%d\n",&seatlevel);
	scanf("%d\n",&neednum);
	
	printf("you book grade %d \n",seatlevel);
	printf("you need %d tickets\n",neednum);
	
	////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	//以下是头等舱处理程序
	if(seatlevel==1)
	{
		for(seatnumber=1;seatnumber<=5;seatnumber++)
		{
			if(seat[seatnumber]==0)
			{
				lefttickets++;
				//printf("thanks for your booking,your registe information is :\n""first Class,seatnumber is %d\n",seatnumber);
				//seat[seatnumber]=1;
				//break;
			}
		}
		///////////////////////////////////////////////////////////
			printf("we have %d tickets left\n",lefttickets);
			if(neednum<=lefttickets)
			{
				for(i=1;i<=5;i++)
				{
					if(seat[i]==0)
					{
						minnum1=i;//在本程序中，默认机票是由先来后到的顺序输出的，
						         //也就是只要知道了空座位的最小下标，通过lefttickets就可以计算出应该输出的是哪张票或者哪几张票了。
						break;	
					}
				}
				//////////////////////////////////////////////////////
				for(j=minnum1;j<=(minnum1+neednum-1);j++)
				{
					printf("thanks for your booking,your register information is :\n""first Class,seatnumber is %d\n",j);
					seat[j]=1;
				}
				
			}
			//////////////////////////////////////////////////////////
			if(neednum>lefttickets)
			{
				printf("we have not enought first Class tickets left for you !\n"
				       "would you like to book %d economy tickets instead of first Class tickets\n "
				       "if you want to,please key y,if you don't want,please key n\n",(neednum-lefttickets));	
			}
			scanf("%c",&want);
			///////////////////////////////////////////////////////////
			if(want==y)
			{
				for(p=minnum1;p<=5;p++)//首先把一等舱的票模拟输出
					{
						printf("thanks for your booking,your register information is :\n""first Class,seatnumber is %d\n",p);//这就是模拟真实的机票
						seat[p]=1;
					}
				///////////////////////////////////////////////////////
					
				for(k=6;k<=10;k++)
				{
					if(seat[k]==0)
					{
						minnum2=k;//在本程序中，默认机票是由先来后到的顺序输出的
						break;
					}
				}///////////////////////////////////////////////////////////////
				differ=(10-minnum2+1)-(neednum-lefttickets);
				if(differ>=0)//在经济舱票充足的情况下，把经济舱的票模拟输出
				{
					printf("we have enough economy tickets for you!");
					for(q=minnum2;q<=(minnum2+(neednum-lefttickets)-1);q++)
					{
						printf("thanks for your booking,your registe information is :\n""economy,seatnumber is %d\n",q);//这就是模拟真实的机票
						seat[q]=1;
					}
					
				}///////////////////////////////////////////////////
				if(differ<0)//说明经济舱票数也还是不够乘客的需求量
				{
					printf("we have not enough economy tickets for you!\n"
					"do you want to book %d tickets ? and the left tickets have to wait for the next flight!\n"
					"if you want,please key y,if you don't want,please key n \n",(lefttickets+(5-minnum2+1)));
					if(want==y)
					{
						for(r=minnum1;r<=5;r++)
						{
							printf("thanks for your booking,your registe information is :\n""first Class,seatnumber is %d\n",r);//这就是模拟真实的机票
						    seat[r]=1;
						}
						for(s=minnum2;s<=10;s++)
						{
							printf("thanks for your booking,your registe information is :\n""economy,seatnumber is %d\n",s);//这就是模拟真实的机票
							seat[s]=1;	
						}
						
						
					}
					/////////////////////////////////////////////////////////
					if(want==n)
					{
						printf("soory!please wait for the next flight,it leaves in 3 hours!\n"
								"have a good time!");
					}		
				}
			}
			/////////////////////////////////////////////////////////////////
			if(want==n)
			{
				printf("soory!please wait for the next flight,it leaves in 3 hours!\n"
								"have a good time!");
				
			}
			///////////////////////////////////////////////////////////////////////
	}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
	
	//以下是经济舱处理程序
	if(seatlevel==2)
	{
		for(seatnumber=6;seatnumber<=10;seatnumber++)
		{
			if(seat[seatnumber]==0)
			{
				lefttickets++;
				//printf("thanks for your booking,your registe information is :\n""first Class,seatnumber is %d\n",seatnumber);
				//seat[seatnumber]=1;
				//break;
			}
		}
		///////////////////////////////////////////////////////////
			printf("we have %d tickets left\n",lefttickets);
			if(neednum<=lefttickets)
			{
				for(i=6;i<=10;i++)
				{
					if(seat[i]==0)
					{
						minnum1=i;//在本程序中，默认机票是由先来后到的顺序输出的，
						         //也就是只要知道了空座位的最小下标，通过lefttickets就可以计算出应该输出的是哪张票或者哪几张票了。
						break;	
					}
				}
				//////////////////////////////////////////////////////
				for(j=minnum1;j<=(minnum1+neednum-1);j++)
				{
					printf("thanks for your booking,your register information is :\n""economy,seatnumber is %d\n",j);
					seat[j]=1;
				}
				
			}
			//////////////////////////////////////////////////////////
			if(neednum>lefttickets)
			{
				printf("we have not enought economy tickets left for you !\n"
				       "would you like to book %d first Class tickets instead of economy tickets\n "
				       "if you want to,please key y,if you don't want,please key n\n",(neednum-lefttickets));	
			}
			scanf("%c",&want);
			///////////////////////////////////////////////////////////
			if(want==y)
			{
				for(p=minnum1;p<=10;p++)//首先把经济舱的票模拟输出
					{
						printf("thanks for your booking,your register information is :\n""economy,seatnumber is %d\n",p);//这就是模拟真实的机票
						seat[p]=1;
					}
				///////////////////////////////////////////////////////
					
				for(k=1;k<=5;k++)
				{
					if(seat[k]==0)
					{
						minnum2=k;//在本程序中，默认机票是由先来后到的顺序输出的
						break;
					}
				}///////////////////////////////////////////////////////////////
				differ=(5-minnum2+1)-(neednum-lefttickets);
				if(differ>=0)//在一等舱票充足的情况下，把一等舱的票模拟输出
				{
					printf("we have enough economy tickets for you!");
					for(q=minnum2;q<=(minnum2+(neednum-lefttickets)-1);q++)
					{
						printf("thanks for your booking,your registe information is :\n""first Class,seatnumber is %d\n",q);//这就是模拟真实的机票
						seat[q]=1;
					}
					
				}///////////////////////////////////////////////////
				if(differ<0)//说明一等舱票数也还是不够乘客的需求量
				{
					printf("we have not enough first Class tickets for you!\n"
					"do you want to book %d tickets ? and the left tickets have to wait for the next flight!\n"
					"if you want,please key y,if you don't want,please key n \n",(lefttickets+(5-minnum2+1)));
					if(want==y)
					{
						for(r=minnum1;r<=10;r++)
						{
							printf("thanks for your booking,your registe information is :\n""economy,seatnumber is %d\n",r);//这就是模拟真实的机票
						    seat[r]=1;
						}
						for(s=minnum2;s<=5;s++)
						{
							printf("thanks for your booking,your registe information is :\n""first Class,seatnumber is %d\n",s);//这就是模拟真实的机票
							seat[s]=1;	
						}
						
						
					}
					/////////////////////////////////////////////////////////
					if(want==n)
					{
						printf("soory!please wait for the next flight,it leaves in 3 hours!\n"
								"have a good time!");
					}		
				}
			}
			/////////////////////////////////////////////////////////////////
			if(want==n)
			{
				printf("soory!please wait for the next flight,it leaves in 3 hours!\n"
								"have a good time!");
				
			}
	}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
		
			
			
	for(count=0;count<=10;count++)//输出座位数组的内容如下
	{
		printf("%d  ", seat[count]);
		
	}
}