扑克牌顺子

#include <iostream>

using namespace std;

int comp(const void *arg1, const void *arg2)
{
	return *(int*)arg1 - *(int*)arg2;
}

bool IsContinus(int* number, int length)
{
	if(number == NULL || length < 1)
		return false;

	int numOfZero = 0;
	int numOfGap = 0;

	qsort(number,length,sizeof(int),comp);

	for(int i = 0; i < length; i++)
	{
		if(number[i] == 0)
			++numOfZero;
	}

	int small = numOfZero;
	int big = small + 1;

	while(big < length)
	{
		if(number[small] == number[big])
			return false;
		
		numOfGap += number[big] - number[small] -1;
		small = big;
		big++;
	}
	return (numOfGap > numOfZero) ? false :true;
}

// ====================测试代码====================
void Test(char* testName, int* numbers, int length, bool expected)
{
    if(testName != NULL)
        printf("%s begins: ", testName);

    if(IsContinus(numbers, length) == expected)
        printf("Passed.\n");
    else
        printf("Failed.\n");
}

void Test1()
{
    int numbers[] = {1, 3, 2, 5, 4};
    Test("Test1", numbers, sizeof(numbers) / sizeof(int), true);
}

void Test2()
{
    int numbers[] = {1, 3, 2, 6, 4};
    Test("Test2", numbers, sizeof(numbers) / sizeof(int), false);
}

void Test3()
{
    int numbers[] = {0, 3, 2, 6, 4};
    Test("Test3", numbers, sizeof(numbers) / sizeof(int), true);
}

void Test4()
{
    int numbers[] = {0, 3, 1, 6, 4};
    Test("Test4", numbers, sizeof(numbers) / sizeof(int), false);
}

void Test5()
{
    int numbers[] = {1, 3, 0, 5, 0};
    Test("Test5", numbers, sizeof(numbers) / sizeof(int), true);
}

void Test6()
{
    int numbers[] = {1, 3, 0, 7, 0};
    Test("Test6", numbers, sizeof(numbers) / sizeof(int), false);
}

void Test7()
{
    int numbers[] = {1, 0, 0, 5, 0};
    Test("Test7", numbers, sizeof(numbers) / sizeof(int), true);
}

void Test8()
{
    int numbers[] = {1, 0, 0, 7, 0};
    Test("Test8", numbers, sizeof(numbers) / sizeof(int), false);
}

void Test9()
{
    int numbers[] = {3, 0, 0, 0, 0};
    Test("Test9", numbers, sizeof(numbers) / sizeof(int), true);
}

void Test10()
{
    int numbers[] = {0, 0, 0, 0, 0};
    Test("Test10", numbers, sizeof(numbers) / sizeof(int), true);
}

// 有对子
void Test11()
{
    int numbers[] = {1, 0, 0, 1, 0};
    Test("Test11", numbers, sizeof(numbers) / sizeof(int), false);
}

// 鲁棒性测试
void Test12()
{
    Test("Test12", NULL, 0, false);
}

int main(int argc, char* argv[])
{
    Test1();
    Test2();
    Test3();
    Test4();
    Test5();
    Test6();
    Test7();
    Test8();
    Test9();
    Test10();
    Test11();
    Test12();

    return 0;
}