面试题7之用两个栈实现队列_QueueWithTwoStacks.cpp

// QueueWithTwoStacks.cpp : Defines the entry point for the console application.
//

// 《剑指Offer——名企面试官精讲典型编程题》代码
// 著作权所有者：何海涛

#include "stdafx.h"
#include "Utilities/Queue.h"

void Test(char actual, char expected)
{
    if(actual == expected)
        printf("Test passed.\n");
    else
        printf("Test failed.\n");
}

int _tmain(int argc, _TCHAR* argv[])
{
    CQueue<char> queue;

    queue.appendTail('a');
    queue.appendTail('b');
    queue.appendTail('c');

    char head = queue.deleteHead();
    Test(head, 'a');

    head = queue.deleteHead();
    Test(head, 'b');

    queue.appendTail('d');
    head = queue.deleteHead();
    Test(head, 'c');

    queue.appendTail('e');
    head = queue.deleteHead();
    Test(head, 'd');

    head = queue.deleteHead();
    Test(head, 'e');

    return 0;
}