如何检查数独中的平方条件

Question

我是初学者，写了一个玩数独的小脚本

我能够检查行和列的条件，但我需要很少的帮助来检查方形条件，即 3x3 方形中应该只有一个唯一数字

另外，如果有人 帮助我减少条件的大小，我将不胜感激，并且可以解释一下如何创建一个随机数独板来生成随机数，因为我已经使用了静态板 在

tf()

另外我想为它制作 GUI 版本 所以请推荐我一种方法。

提前致谢以下是代码 link 可在此处获得 https://drive.google.com/file/d/0B0mzB3WBm-8-VzJua1BLakExajQ/view?usp=sharing

board=[[5,7,3,6,9,4,2,1,8],[9,2,4,7,8,1,3,5,'X'],['X',1,6,3,5,'X',7,9,4],[3,8,5,4,2,7,9,6,1],[1,9,2,5,3,6,8,4,7],[4,6,7,9,1,8,5,2,3],[7,3,1,'X',4,5,6,8,'X'],
['X',5,8,1,7,9,4,3,2],[2,4,9,8,6,3,'X',7,5]]#simple sudoku board for testing
def initiator():#print the board and start redirect to the funtion
    for i in range(0,9):
        print str(board[i])+"\n"
    rc_checker()

def find_xs():#find whether there are any remaining spaces to fill
    count = 0
    for i in range(0,9):
        for j in range(0,9):
            if board[i][j] == 'X':
                count+=1
    if count>0:
        return 1
    else:
        for i in range(0,9):
            print str(board[i])+"\n"
            print "Thanks for playing"
def rc_checker():#checks whether inputted row and column are valid 
    if find_xs()==1:
        for i in range(0,9):
            print str(board[i])+"\n"
        print "Give the row and column"
        r = int(input())
        c = int(input())
        if r<10 and c<10:
            r=r-1
            c-=1
            validator(r,c)


def validator(r,c):#validate whether the field is empty and redirects accordingly
    if board[r][c]=='X':
        print "Enter the value"
        val = int(input())
        if val>0 and val <10:
            tf(r,c,val)
            rc_checker() 
    else:
        print "The feild is not empty please try again"
        rc_checker()
def tf(r,c,val):#checking if the inputted value is repeated in corresponding row or column
    i = 0
    r1 = 0
    c1 = 0

    if val!=board[r][i] and val!=board[r][i+1] and val!=board[r][i+2] and val!=board[r][i+3] and val!=board[r][i+4] and val!=board[r][i+5] and val!=board[r][i+6] and val!=board[r][i+7] and val!=board[r][i+8] and val!=board[r1][c] and val!=board[r1+1][c] and val!=board[r1+2][c] and val!=board[r1+3][c] and val!=board[r1+4][c] and val!=board[r1+5][c] and val!=board[r1+6][c] and val!=board[r1+7][c] and val!=board[r1+8][c]:
        print "Value entered is correct"
        board[r][c]=val#value is set
    else:
        print "Invalid value Retry" 
        board[r][c]='X'


def main():#welcome message
    print "Welcome to sudoku game"
    print "Fill all 'X' with valid input"
    initiator()

main()

Answer 1

您提出的问题：

1.如何检查正方形？

2。如何减小条件的大小？

3。如何生成随机数？

4.如何制作GUI版？

答案。

1.和 2.

首先，检查此类条件的一种简单方法是：

val = 6
my_list = [2, 4, 3, 1, 'X', 7, 8, 9, 5] # this might be your row for example

if val in my_list:
  print 'Invalid value Retry'
else:
  print 'Value entered is correct'

根据情况，您必须以不同方式构建 my_list：

获取行的列表
```
r = 3
my_list = board[r]
```

获取列的列表

c = 4
my_list = [row[4] for row in board]

获取正方形列表

# where the squares are numbered as follows:
# 0 1 2
# 3 4 5
# 6 7 8

s = 3 # second row, first column
r = int(s/3) # r = 1 
c =  s%3  # c = 0

my_list = [element for row in board[r*3:r*3+3] 
           for element in row[c*3:c*3+3]]

这里我用到了两个重要的特征：

list comprehension
list slicing

确保理解它们，因为它们非常有用。

3.

您可以使用函数randint

import random
random.randint(0,8) # random integer in range [0, 8], including both end points.

4.

有很多方法可以做到，我没有足够的经验来告诉你。我个人非常喜欢这个tutorial。如果你想用 GUI 编写一个简单的游戏，它可能会有用。在开始使用 GUI 的项目之前，我的建议是学习类.

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