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本帖最后由 谢沧行 于 2019-7-24 19:53 编辑
网上找了个例子
import random
import math
matrix = []
def get_random_unit():
_num_list = [1, 2, 3, 4, 5, 6, 7, 8, 9]
random.shuffle(_num_list)
return _num_list
def print_grid(arr):
for i in range(9):
print(arr)
def get_row(row):
row_arr = []
for v in matrix[row]:
if v == 0:
continue
row_arr.append(v)
return row_arr
def get_col(col):
col_arr = []
for i in range(9):
val = matrix[col]
if val == 0:
continue
col_arr.append(matrix[col])
return col_arr
def get_block(num):
col_arr = []
seq = num % 3
col_end = 9 if seq == 0 else seq * 3
row_end = int(math.ceil(num / 3) * 3)
for i in range(row_end - 3, row_end):
for j in range(col_end - 3, col_end):
val = matrix[j]
if val != 0:
col_arr.append(matrix[j])
return col_arr
def get_block_seq(row, col):
col_seq = int(math.ceil((col + 0.1) / 3))
row_seq = int(math.ceil((row + 0.1) / 3))
return 3 * (row_seq - 1) + col_seq
def get_enable_arr(row, col):
avail_arr = get_random_unit()
seq = get_block_seq(row, col)
block = get_block(seq)
row = get_row(row)
col = get_col(col)
unable_arr = list(set(block + row + col))
for v in unable_arr:
if v in avail_arr:
avail_arr.remove(v)
return avail_arr
def main():
can_num = {}
count = 0
for i in range(9):
matrix.append([0] * 9)
num_list = get_random_unit()
for row in range(3):
for col in range(3):
matrix[row][col] = num_list.pop(0)
num_list = get_random_unit()
for row in range(3, 6):
for col in range(3, 6):
matrix[row][col] = num_list.pop(0)
num_list = get_random_unit()
for row in range(6, 9):
for col in range(6, 9):
matrix[row][col] = num_list.pop(0)
box_list = []
for row in range(9):
for col in range(9):
if matrix[row][col] == 0:
box_list.append({'row': row, 'col': col})
i = 0
while i < len(box_list):
count += 1
position = box_list
row = position['row']
col = position['col']
key = '%dx%d' % (row, col)
if key in can_num:
enable_arr = can_num[key]
else:
enable_arr = get_enable_arr(row, col)
can_num[key] = enable_arr
if len(enable_arr) <= 0:
i -= 1
if key in can_num:
del (can_num[key])
matrix[row][col] = 0
continue
else:
matrix[row][col] = enable_arr.pop()
i += 1
print_grid(matrix)
print(count)
if __name__ == "__main__":
main()
[3, 7, 8, 4, 5, 6, 1, 2, 9][6, 2, 5, 9, 8, 1, 3, 7, 4]
[9, 4, 1, 7, 3, 2, 6, 5, 8]
[5, 9, 7, 6, 2, 8, 4, 3, 1]
[4, 1, 3, 5, 7, 9, 8, 6, 2]
[2, 8, 6, 1, 4, 3, 5, 9, 7]
[7, 5, 9, 3, 1, 4, 2, 8, 6]
[1, 3, 2, 8, 6, 7, 9, 4, 5]
[8, 6, 4, 2, 9, 5, 7, 1, 3]
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