質問編集履歴
1
プログラム追加しました。
test
CHANGED
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File without changes
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test
CHANGED
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@@ -4,6 +4,50 @@
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4
4
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nan = 0です。
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5
5
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6
6
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```
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7
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nan=0
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8
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def input_helper(str_lines):
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9
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lines=str_lines.split()
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10
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#print(lines)
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11
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grid=[]
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12
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for line in lines:
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13
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grid.append([ int(c) if int(c)>0 else nan for c in list(line)])
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14
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return grid
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15
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+
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16
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def print_grid(grid):
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17
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str_grid = [ [ ' '+str(e) if e !=nan else ' ' for e in row ] for row in grid ]
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18
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for nth,row in enumerate(str_grid):
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19
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sub_str_list=['[']
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20
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for col in [0,3]:
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21
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sub_str_list.append( ','.join(row[col:col+3])+' | ' )
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22
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sub_str_list.append(','.join(row[6:9])+']')
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23
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line_str = ''.join(sub_str_list)
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24
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print(line_str)
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25
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if nth in [2,5]:
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26
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print('-----------'*3)
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27
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print()
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28
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29
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#
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30
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grid_str1='''
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31
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517600034 089004000 306205090
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32
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600000010 030006047 000000000
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33
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090000078 703400560 000000000
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34
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'''
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35
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grid_prob1=input_helper(grid_str1)
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36
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print("数独問題1： grid_prob1")
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37
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print_grid(grid_prob1)
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38
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39
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#
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40
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grid_str2='''
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41
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530070000 600195000 098000060
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42
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800060003 400803001 700020006
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43
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060000280 000419005 000080079
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44
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'''
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45
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grid_prob2=input_helper(grid_str2)
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46
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print("数独問題2： grid_prob2")
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47
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print_grid(grid_prob2)
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48
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49
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50
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7
51
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import copy
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8
52
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9
53
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@@ -89,5 +133,45 @@
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89
133
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else:
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90
134
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print('[BAD] find_next() does not work')
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91
135
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136
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backtrack=0
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137
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def solve(grid):
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138
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global backtrack
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139
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i,j = find_next(grid)
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140
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if i<0:
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141
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return True
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142
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for e in range(1,10):
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143
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if isValid(grid,i,j,e):
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144
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grid[i][j]=e
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145
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if solve(grid):
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146
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return True
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147
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backtrack += 1
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148
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grid[i][j]=nan
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149
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return False
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150
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151
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#---------------
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152
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153
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def call_solve(grid):
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154
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grid_copy=copy.deepcopy(grid)
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155
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if solve(grid_copy):
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156
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print(f'succeeded in solving [backtrack={backtrack}]')
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157
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print_grid(grid_copy)
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158
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else:
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159
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print('FAIL in solving')
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160
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161
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# ------
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162
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# 問題を解く
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163
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#
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164
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print('grid_prob1 を解く')
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165
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print_grid(grid_prob1)
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166
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call_solve(grid_prob1)
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167
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168
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print('grid_prob2 を解く')
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169
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print_grid(grid_prob2)
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170
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call_solve(grid_prob2)
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171
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92
172
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93
173
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```
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174
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175
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追記
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176
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間違えて追加修正依頼のところに書いてしまいました。
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177
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すいません。
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