C++程序-停车场

#include <conio.h>#include <malloc.h>#include <stdio.h>#include <stdlib.h>#include <windows.h>#define M 5// 清空当前屏幕#define ClearScreen() system( "cls" )// 显示字符串szPrompt 并等待用户按下任意键#define Pause( szPrompt ) printf( "%s", szPrompt ),getch()typedef struct carinformation // 车辆信息{char szRegistrationMark[64]; // 车牌号char szArrivalTime[16]; // 到达时间char szEntranceTime[16]; // 进入停车场(开始计费)时间char szDepartureTime[16]; // 离开时间} TCARINFORMA TION, *LPTCARINFORMATION;typedef struct carstack{LPTCARINFORMATION lpCarInformation; // 车辆信息int nTop; // 栈顶元素下标int nStackSize; // 栈容量} TCARSTACK, *LPTCARSTACK;// 初始化栈lpCarStack, 将其容量设置为nSizevoid InitStack( LPTCARSTACK &lpCarStack, int nSize ){lpCarStack = ( LPTCARSTACK ) malloc( sizeof ( TCARSTACK ) ); lpCarStack->lpCarInformation = ( LPTCARINFORMA TION ) malloc( nSize * sizeof ( TCARINFORMATION ));lpCarStack->nTop = -1;lpCarStack->nStackSize = nSize;}// 车辆信息carinfo 入栈lpCarStackvoid Push( LPTCARSTACK &lpCarStack, TCARINFORMATION carinfo ) {lpCarStack->nTop++;lpCarStack->lpCarInformation[lpCarStack->nTop] = carinfo;}// 车辆信息从栈lpCarStack 中弹出并存入carinfovoid Pop( LPTCARSTACK &lpCarStack, TCARINFORMATION &carinfo ) {carinfo = lpCarStack->lpCarInformation[lpCarStack->nTop];lpCarStack->nTop--;}// 若栈lpCarstack 空,返回TRUE;否则,返回FALSEBOOL IsStackEmpty( LPTCARSTACK lpCarStack ){return lpCarStack->nTop == -1;}// 若栈lpStackFull 满,返回TRUE;否则,返回FALSEBOOL IsStackFull( LPTCARSTACK lpCarStack ){return lpCarStack->nTop == ( lpCarStack->nStackSize - 1 );}// 销毁栈lpCarStack,将指针lpCarStack 置为NULLvoid DestroyStack( LPTCARSTACK &lpCarStack ){free( lpCarStack->lpCarInformation );free( lpCarStack );lpCarStack = NULL;}typedef struct carnode // 链队结点信息{TCARINFORMA TION carinfo; // 车辆信息struct carnode *lpNext; // 指向下一个元素的指针} TCARNODE, *LPTCARNODE;typedef struct carqueue // 链队{LPTCARNODE lpHead; // 头结点LPTCARNODE lpRear; // 指向当前队尾的指针int nEffectiveSize; // 当前队中元素个数} TCARQUEUE, *LPTCARQUEUE;// 初始化链队lpCarQueuevoid InitQueue( LPTCARQUEUE &lpCarQueue ){lpCarQueue = ( LPTCARQUEUE ) malloc( sizeof( TCARQUEUE ) ); lpCarQueue->lpHead = ( LPTCARNODE) malloc( sizeof( TCARNODE ) ); lpCarQueue->lpHead->lpNext = NULL;lpCarQueue->lpRear = lpCarQueue->lpHead;lpCarQueue->nEffectiveSize = 0;}// 车辆信息carinfo 入队lpCarQueuevoid EnQueue( LPTCARQUEUE &lpCarQueue, TCARINFORMA TION carinfo ) {LPTCARNODE lpCarNode = ( LPTCARNODE ) malloc( sizeof( carnode ) ); lpCarNode->carinfo = carinfo;lpCarNode->lpNext = NULL;lpCarQueue->lpRear->lpNext = lpCarNode;lpCarQueue->lpRear = lpCarQueue->lpRear->lpNext;lpCarQueue->nEffectiveSize++;}// 队头元素从链队lpCarQueue 中出队并存入carinfovoid DeQueue( LPTCARQUEUE &lpCarQueue, TCARINFORMA TION &carinfo ){LPTCARNODE lpTemp = lpCarQueue->lpHead->lpNext;carinfo = lpTemp->carinfo;lpCarQueue->lpHead->lpNext = lpTemp->lpNext;free( lpTemp );lpCarQueue->nEffectiveSize--;}// 若链队lpCarQueue 为空,返回TRUE;否则,返回FALSEBOOL IsQueueEmpty( LPTCARQUEUE lpCarQueue ){return lpCarQueue->nEffectiveSize == 0;}// 销毁链队lpCarQueuevoid DestroyQueue( LPTCARQUEUE &lpCarQueue ){LPTCARNODE lpNextCarNode = NULL;for ( LPTCARNODE lpCarNode = lpCarQueue->lpHead; lpCarNode != NULL; lpCarNode = lpNextCarNode ){lpNextCarNode = lpCarNode->lpNext;free( lpCarNode );}free( lpCarQueue );lpCarQueue = NULL;}// 将字符串时间格式转换为数字(分钟)格式,例如12:36 将被转换为756 ( 12 * 60 + 36 )int ConvertTimeFormat( char *lpTime ){int nHour = 0;int nMinute = 0;sscanf( lpTime, "%d:%d", &nHour, &nMinute );return nHour * 60 + nMinute;}// 根据在停车场内的停留时间nContinuanceMinutes (分钟)计算费用double CalculateExpense( int nContinuanceMinutes ){return nContinuanceMinutes * ( 5.0 / 60 );}int main( void ){int n = 0; // 停车场容量char szEntranceTime[43];char szRegistrationMark[70];putchar( '\n' );printf("\t\t===========欢迎你进入停车场管理系统===========\n");printf( "请输入停车场容量:" );scanf( "%d", &n );LPTCARSTACK lpCarStack = NULL; // 停车场,用栈模拟InitStack( lpCarStack, n );LPTCARQUEUE lpCarQueue = NULL; // 便道,用链队模拟InitQueue( lpCarQueue );char cCommandType = NULL; // 命令类型char User[128] = { NULL }; // 用户输入do{ClearScreen();putchar( '\n' );puts( "--------------------" );puts( "[命令类型]" );puts( "A - 车辆到达" );puts( "D - 车辆离开" );puts( "E - 停止输入" );puts( "O - 显示当前停车场和便道使用情况" );putchar( '\n' );printf( "请输入命令:" );scanf( "%s", User );puts( "--------------------" );char szCarInformation[128] = { NULL };sscanf( User, // 将命令类型与车辆信息分开存放"%c,%s",&cCommandType, // 用户输入的前半部分,即命令类型szCarInformation // 用户输入的后半部分,即车辆信息);char *lpCommaLocation = NULL; // 车辆信息字符串中的逗号位置for ( lpCommaLocation = szCarInformation; *lpCommaLocation != '\0'; lpCommaLocation++ ) {if ( *lpCommaLocation == ',' ){break;}}*lpCommaLocation = '\0';TCARINFORMA TION carinfo = { NULL }; // 存储本次用户输入的车辆信息strcpy( carinfo.szRegistrationMark, szCarInformation );if ( cCommandType == 'A' ){strcpy( carinfo.szArrivalTime, lpCommaLocation + 1 );puts("请输入车牌号：");scanf("%s",&szRegistrationMark);puts("请输入车的进入时间：");scanf("%s",&szEntranceTime);if ( FALSE == IsStackFull( lpCarStack ) ){strcpy( carinfo.szEntranceTime, carinfo.szArrivalTime );Push( lpCarStack, carinfo );printf( "已进入停车场第%d 个车位\n",lpCarStack->nTop + 1);printf( "车牌号:\t\t%s\n",szRegistrationMark );printf( "进入时间:\t%s\n",szEntranceTime );puts( "是否收费:\t是" );}else{EnQueue( lpCarQueue, carinfo );printf( "停车场已满,已停放在便道的第%d 个车位\n",lpCarQueue->nEffectiveSize);printf( "车牌号:\t\t%s\n", szRegistrationMark );printf( "停放时间:\t%s\n", szEntranceTime );puts( "是否收费:\t否" );}}else if ( cCommandType == 'D' ){strcpy( carinfo.szDepartureTime, lpCommaLocation + 1 );LPTCARSTACK lpTempCarStack = NULL;InitStack( lpTempCarStack, n );TCARINFORMA TION carinfoOut = { NULL };BOOL bIsCarFound = FALSE;while ( FALSE == IsStackEmpty( lpCarStack ) ){Pop( lpCarStack, carinfoOut );if ( 0 != strcmp( carinfoOut.szRegistrationMark, carinfo.szRegistrationMark ) ) {Push( lpTempCarStack, carinfoOut );else{bIsCarFound = TRUE;break;}}while ( FALSE == IsStackEmpty( lpTempCarStack ) ){TCARINFORMATION tempcarinfo = { NULL };Pop( lpTempCarStack, tempcarinfo );Push( lpCarStack, tempcarinfo );}if ( FALSE == bIsCarFound ){printf( "车牌号为%s 的车未进入停车场.\n", carinfo.szRegistrationMark );Pause( "--------------------\n按任意键输入下一条信息...\n" );continue;}char szRegistrationMark1[48];strcpy( carinfoOut.szDepartureTime, carinfo.szDepartureTime );int nEntranceTime = ConvertTimeFormat( carinfoOut.szEntranceTime );int nDepartureTime = ConvertTimeFormat( carinfoOut.szDepartureTime );puts("请输入车牌号：");scanf("%s",&szRegistrationMark1);printf("请输入停留的时间：");scanf("%d",&nDepartureTime);int nContinuanceMinutes = nDepartureTime - nEntranceTime;printf( "计费时段:共%d 分钟\n",nContinuanceMinutes);double rExpense = CalculateExpense( nContinuanceMinutes );printf( "应交纳的费用:\t%.11f 元\n", rExpense*M );if ( FALSE == IsQueueEmpty( lpCarQueue ) ){TCARINFORMATION tempcarinfo = { NULL };DeQueue( lpCarQueue, tempcarinfo );strcpy( tempcarinfo.szEntranceTime, carinfoOut.szDepartureTime );Push( lpCarStack, tempcarinfo );puts( "--------------------" );printf( "停放在便道的第1 个车位,车牌号为%s 的车已进入停车场\n", szRegistrationMark);}else if ( cCommandType == 'E' ){puts( "********************" );break;}else if ( cCommandType == 'O' ){ClearScreen();putchar( '\n' );puts( "[停车场使用情况]\n" );int i = lpCarStack->nTop+1;printf( "停车场有%d辆车\n",i );putchar( '\n' );putchar( '\n' );putchar( '\n' );puts( "[便道使用情况]\n" );int nNum = 0;for ( LPTCARNODE lpCarNode = lpCarQueue->lpHead->lpNext;lpCarNode != NULL; lpCarNode = lpCarNode->lpNext )nNum++;printf( "便道上有%d辆车",nNum);putchar( '\n' );}else{puts( "输入信息有误.第一个字符只能为'A' 或'D' 或'E' 或'O' (区分大小写)." );}Pause( "--------------------\n按任意键输入下一条信息.\n" );} while ( TRUE );DestroyStack( lpCarStack );DestroyQueue( lpCarQueue );Pause( "\n按任意键退出程序...\n" );return 0;}。