├── README.md
└── sudu-calc.html


/README.md:
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1 | # shudu破解
2 | 数独克星(javascript实现)
3 | 
4 | # 在线演示地址
5 | [https://shudu.gwalker.cn](https://shudu.gwalker.cn)
6 | 


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/sudu-calc.html:
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  1 | <script type="text/javascript">
  2 | 
  3 |     class Solution {
  4 |         i = 0;
  5 | 
  6 |         format(board) {
  7 |             board = this.clone(board)
  8 |             let result = {}
  9 |             result['fillable'] = {};
 10 |             result['value'] = {};
 11 |             board.forEach((line, x) => {
 12 |                 line.forEach((value, y) => {
 13 |                     if (value === '.') {
 14 |                         result['fillable'][x] = result['fillable'][x] || {};
 15 |                         result['fillable'][x][y] = result['fillable'][x][y] || {};
 16 |                         result['fillable'][x][y] = {'v': value, 'possible': this.get_possible(x, y, board)}
 17 |                     } else {
 18 |                         result['value'][x] = result['value'][x] || {};
 19 |                         result['value'][x][y] = value
 20 |                     }
 21 |                 })
 22 | 
 23 |             })
 24 |             return result;
 25 |         }
 26 | 
 27 |         get_possible(x, y, board) {
 28 |             board = this.clone(board)
 29 |             let possible = {1: '1', 2: '2', 3: '3', 4: '4', 5: '5', 6: '6', 7: '7', 8: '8', 9: '9'};
 30 |             //console.log('===')
 31 |             //this.P(board);
 32 |             board = this.clone(board);
 33 |             Object.keys(board).forEach(x1 => {
 34 |                 let line = board[x1];
 35 |                 Object.keys(line).forEach(y1 => {
 36 |                     let value = line[y1];
 37 |                     if (value !== '.' && this.is_neighbor(x - 0, y - 0, x1 - 0, y1 - 0)) {
 38 |                         //console.log("----", x1, y1);
 39 |                         delete (possible[value - 0])
 40 |                     }
 41 |                 })
 42 |             })
 43 |             //console.log(possible);
 44 |             return possible;
 45 |         }
 46 | 
 47 |         is_neighbor(x, y, x1, y1) {
 48 |             let minX = parseInt(x / 3) * 3;
 49 |             let minY = parseInt(y / 3) * 3;
 50 |             return x === x1 || y === y1 || (x1 >= minX && x1 <= minX + 2 && y1 >= minY && y1 <= minY + 2);
 51 |         }
 52 | 
 53 |         solveSudoku(board) {
 54 |             board = this.clone(board);
 55 |             let result = this.solve(this.format(board));
 56 |             for (let x = 0; x < 9; x++) {
 57 |                 for (let y = 0; y < 9; y++) {
 58 |                     if (result['value'][x][y] === undefined) {
 59 |                         /*console.log('未解答成功')
 60 |                         return [];*/
 61 |                     }
 62 |                     board[x][y] = result['value'][x][y] === undefined ? 0 : result['value'][x][y];
 63 |                 }
 64 |             }
 65 |             return board;
 66 |         }
 67 | 
 68 | 
 69 |         solve(format_board, last_arr = []) {
 70 |             last_arr = this.clone(last_arr)
 71 |             format_board = this.clone(format_board)
 72 |             this.i++;
 73 |             let item = this.get_item(format_board, last_arr);
 74 |             if (this.i === 120) {
 75 |                 return;
 76 |                 //return format_board;
 77 |             }
 78 | 
 79 |             if (Object.values(item).length > 0) {
 80 |                 delete (format_board['fillable'][item['x']][item['y']]);
 81 |                 let possibleItem = item['possible'];
 82 |                 Object.values(possibleItem).forEach(value => {
 83 |                     format_board['value'][item['x']] = format_board['value'][item['x']] || {};
 84 |                     format_board['value'][item['x']][item['y']] = value
 85 |                     last_arr = [item['x'], item['y']];
 86 | 
 87 |                     let result = this.solve(format_board, last_arr)
 88 | 
 89 | 
 90 |                     if (Object.values(result).length > 0) {
 91 |                         return result;
 92 |                     }
 93 |                 })
 94 |                 return [];
 95 |             }
 96 |             return format_board;
 97 |         }
 98 | 
 99 | 
100 |         get_item(format_board, last_arr = []) {
101 |             last_arr = this.clone(last_arr)
102 |             let result = {};
103 |             last_arr.push([])
104 | 
105 | 
106 |             while (1) {
107 |                 let last = last_arr.pop();
108 |                 if (last === undefined) {
109 |                     break;
110 |                 }
111 |                 //console.log(last)
112 |                 result = {};
113 |                 for (let x in format_board['fillable']) {
114 |                     let line = format_board['fillable'][x];
115 |                     for (let y in line) {
116 |                         let item = line[y];
117 |                         if (last.length > 0 && this.is_neighbor(last[0], last[1], x, y)) {
118 |                             item['possible'] = this.get_possible(x, y, format_board['value']);
119 |                         }
120 |                         let cnt = Object.keys(item['possible']).length;
121 |                         //console.log("cnt---"+cnt);
122 |                         //console.log(item['possible']);
123 |                         //console.log(cnt);
124 |                         if (cnt <= 0) {
125 |                             return {'x': x, 'y': y, 'possible': {}}
126 |                         } else if (cnt === 1) {
127 |                             delete (format_board['fillable'][x][y]);
128 |                             //console.log(x,y,format_board);
129 |                             format_board['value'][x] = format_board['value'][x] || {};
130 |                             format_board['value'][x][y] = Object.values(item['possible'])[0];
131 |                             last_arr.push([x, y]);
132 | 
133 |                         } else {
134 |                             //console.log("fuck");
135 |                             //console.log(cnt,result)
136 |                             if (Object.values(result).length === 0 || cnt < ((Object.values(result['possible'])).length)) {
137 |                                 //console.log("apple");
138 |                                 result = {'x': x, 'y': y, 'possible': item['possible']};
139 |                                 //console.log(result);
140 | 
141 | 
142 |                             }
143 |                             //console.log(result);
144 |                         }
145 |                     }
146 |                 }
147 |             }
148 |             return result;
149 |         }
150 | 
151 |         clone(Obj) {
152 |             let buf;
153 |             if (Obj instanceof Array) {
154 |                 buf = [];
155 |                 var i = Obj.length;
156 |                 while (i--) {
157 |                     buf[i] = this.clone(Obj[i]);
158 |                 }
159 |                 return buf;
160 |             } else if (Obj instanceof Object) {
161 |                 buf = {};
162 |                 for (let k in Obj) {
163 |                     buf[k] = this.clone(Obj[k]);
164 |                 }
165 |                 return buf;
166 |             } else {
167 |                 return Obj;
168 |             }
169 |         }
170 | 
171 |         P(data) {
172 |             data = this.clone(data);
173 |             let s = '';
174 |             Object.keys(data).forEach(x1 => {
175 |                 s = ''
176 |                 let line = data[x1];
177 |                 Object.keys(line).forEach(y1 => {
178 |                     let value = line[y1];
179 |                     if (value == '.') value = 0;
180 |                     s = s + value;
181 |                 })
182 |                 console.log(s);
183 |             })
184 |             //console.log("")
185 |         }
186 |     }
187 | 
188 |     board = [["5", "3", ".", ".", "7", ".", ".", ".", "."], ["6", ".", ".", "1", "9", "5", ".", ".", "."], [".", "9", "8", ".", ".", ".", ".", "6", "."], ["8", ".", ".", ".", "6", ".", ".", ".", "3"], ["4", ".", ".", "8", ".", "3", ".", ".", "1"], ["7", ".", ".", ".", "2", ".", ".", ".", "6"], [".", "6", ".", ".", ".", ".", "2", "8", "."], [".", ".", ".", "4", "1", "9", ".", ".", "5"], [".", ".", ".", ".", "8", ".", ".", "7", "9"]];
189 |     //board = [["5", "3", ".", ".", "7", ".", ".", ".", "."], ["6", "7", "2", "1", "9", "5", "3", "4", "8"], [".", "9", "8", ".", ".", ".", ".", "6", "."], ["8", ".", ".", ".", "6", ".", ".", ".", "3"], ["4", ".", ".", "8", ".", "3", ".", ".", "1"], ["7", ".", ".", ".", "2", ".", ".", ".", "6"], [".", "6", ".", ".", ".", ".", "2", "8", "."], [".", ".", ".", "4", "1", "9", ".", ".", "5"], [".", ".", ".", ".", "8", ".", ".", "7", "9"]];
190 |     //board = [["5", "3", ".", ".", "7", ".", ".", ".", "."], ["6", ".", ".", "1", "9", "5", ".", ".", "."], [".", "9", "8", ".", ".", ".", ".", "6", "."], ["8", ".", ".", ".", "6", ".", ".", ".", "3"], ["4", ".", ".", "8", ".", "3", ".", ".", "1"], ["7", ".", ".", ".", "2", ".", ".", ".", "6"], [".", "6", ".", ".", ".", ".", "2", "8", "."], [".", ".", ".", "4", "1", "9", ".", ".", "5"], [".", ".", ".", ".", "8", ".", ".", "7", "9"]]
191 | 
192 |     //board = [["5","3",".",".","7",".",".",".","."],["6",".",".","1","9","5",".",".","."],[".","9","8",".",".",".",".","6","."],["8",".",".",".","6",".",".",".","3"],["4",".",".","8",".","3",".",".","1"],["7",".",".",".","2",".",".",".","6"],[".","6",".",".",".",".","2","8","."],[".",".",".","4","1","9",".",".","5"],[".",".",".",".","8",".",".","7","9"]];
193 | 
194 |     //console.log(board);
195 | 
196 |     board2 = [[".", ".", ".", ".", ".", ".", ".", ".", "."], [".", ".", ".", ".", ".", ".", ".", ".", "."], [".", ".", ".", ".", ".", ".", ".", ".", "."], [".", ".", ".", ".", ".", ".", ".", ".", "."], [".", ".", ".", ".", ".", ".", ".", ".", "."], [".", ".", ".", ".", ".", ".", ".", ".", "."], [".", ".", ".", ".", ".", ".", ".", ".", "."], [".", ".", ".", ".", ".", ".", ".", ".", "."], [".", ".", ".", ".", ".", ".", ".", ".", "."]];
197 | 
198 |     board3 = [
199 |         ['8', '.', '.', '.', '.', '.', '.', '.', '.'],
200 |         ['.', '.', '3', '6', '.', '.', '.', '.', '.'],
201 |         ['.', '7', '.', '.', '9', '.', '2', '.', '.'],
202 | 
203 |         ['.', '5', '.', '.', '.', '7', '.', '.', '.'],
204 |         ['.', '.', '.', '.', '4', '5', '7', '.', '.'],
205 |         ['.', '.', '.', '1', '.', '.', '.', '3', '.'],
206 | 
207 |         ['.', '.', '1', '.', '.', '.', '.', '6', '8'],
208 |         ['.', '.', '8', '5', '.', '.', '.', '1', '.'],
209 |         ['.', '9', '.', '.', '.', '.', '4', '.', '.']];
210 | 
211 |     Solution = new Solution();
212 |     let re = Solution.solveSudoku(board);
213 |     console.log(Solution.i)
214 |     Solution.P(re);
215 | 
216 |     // Solution.solveSudoku();
217 |     //let a = Solution.get_possible();
218 |     //console.log(a);
219 | 
220 | 
221 |     //Solution.x = 2;
222 |     //Solution.y = 3;
223 |     // alert( Solution.solveSudoku());
224 | 
225 | 
226 | </script>


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