#define _CRT_SECURE_NO_DEPRECATE
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<conio.h>
int denglu(char x[])
{
	if (strcmp(x,"677abc!")==0)return 1;
	else return -1;
}
int n = 0;
int rest[7][7];
int swap(int *a, int *b)
{
	int m;
	m = *a;
	*a = *b;
	*b = m;
	return 0;
}
void perm(int list[], int k, int m)
{
	int i, j;
	if (k > m)
	{
		for (i = 0; i < 7; i++)
		{
			for (j = 0; j < 7; j++)
			{
				if (rest[i][j] == -1)
				return;
				if (rest[i][j] != list[i])
				continue;
				if (rest[i][j] == list[i])
				break;
			}
		}
		n++;
		printf("方案:%d\n", n);
		printf("赵      钱      孙      李      周      吴      陈\n");
		printf("---------------------------------------------------------\n");
		for (i = 0; i <= m; i++)
		{
			switch (list[i])
			{
			case 1:printf("星期一  ");
			 break;
			case 2:printf("星期二  "); 
			break;
			case 3:printf("星期三  ");
			 break;
			case 4:printf("星期四  ");
			 break;
			case 5:printf("星期五  ");
			 break;
			case 6:printf("星期六  "); 
			break;
			case 7:printf("星期天  "); 
			break;
			default:
			break;
			}
		}
		printf("\n\n\n");
	}
	else
	{
		for (i = k; i <= m; i++)
		{
			swap(&list[k], &list[i]);
			perm(list, k + 1, m);
			swap(&list[k], &list[i]);
		}
	}
}
int main()
{
	char h[10];
	int tt = 0;
	printf("----------------------登录界面----------------------\n");
	printf("*********************请输入密码*********************\n\n");
	do
	{
		h[tt]=getch();
		if (h[tt] == '\b')
		{
			printf("\b \b");
			tt--;
		}
		else if (h[tt] == '\r')
		{
			break;
		}
		else
		{
			tt++;
			printf("*");
		}
	}
	 while (h[tt] != '\r'&&tt<10);
	h[tt] = 0;
	tt = denglu(h);
	if (tt != 1)
	{
		printf("\n                   您输入的密码有误！\n");
		return 0;
	}
	else printf("\n\n\n");

	int list[] = { 1, 2, 3, 4, 5, 6, 7 };
	int i, j;
	char ss[7][20] = { "赵", "钱", "孙", "李", "周", "吴", "陈" };
	printf("==================欢迎使用排版系统==================\n");
	printf("          请输入下列人选选择休息的可能时间：\n");
	for (i = 0; i < 7; i++)
	{
		printf("%s:", ss[i]);
		for (j = 0; j < 7; j++)
		{
			scanf("%d", &rest[i][j]);
			if (rest[i][j] == -1)
				break;
		}
	}
	printf("\n\n\n");
	perm(list, 0, 6);
	printf("总共有%d种\n", n);
	getchar();
	getchar();
	return 0;
}