| 1 | import itertools | |
| 2 | ||
| 1 | 3 | def drinks_water() -> str: |
| 2 | pass | |
| 4 | # Generate all possible permutations for each category | |
| 5 | houses = range(5) | |
| 6 | colors = list(itertools.permutations(['red', 'green', 'ivory', 'yellow', 'blue'])) | |
| 7 | nations = list(itertools.permutations(['Englishman', 'Spaniard', 'Ukrainian', 'Norwegian', 'Japanese'])) | |
| 8 | pets = list(itertools.permutations(['dog', 'snails', 'fox', 'horse', 'zebra'])) | |
| 9 | drinks = list(itertools.permutations(['coffee', 'tea', 'milk', 'orange_juice', 'water'])) | |
| 10 | hobbies = list(itertools.permutations(['dancing', 'painting', 'reading', 'football', 'chess'])) | |
| 11 | ||
| 12 | # Iterate through all possible combinations | |
| 13 | for color in colors: | |
| 14 | # Constraint 6: The green house is immediately to the right of the ivory house | |
| 15 | # Edge Case: Green house must be immediately to the right of ivory house | |
| 16 | if not any(color[i] == 'ivory' and color[i+1] == 'green' for i in range(4)): | |
| 17 | continue | |
| 18 | ||
| 19 | for nation in nations: | |
| 20 | # Constraint 10: The Norwegian lives in the first house | |
| 21 | # Edge Case: Norwegian must be in the first house (index 0) | |
| 22 | if nation[0] != 'Norwegian': | |
| 23 | continue | |
| 24 | ||
| 25 | # Constraint 15: The Norwegian lives next to the blue house | |
| 26 | # Edge Case: Norwegian in first house must have blue house at index 1 | |
| 27 | if color[1] != 'blue': | |
| 28 | continue | |
| 29 | ||
| 30 | # Constraint 2: The Englishman lives in the red house | |
| 31 | # Edge Case: Find valid position where Englishman and red house align | |
| 32 | try: | |
| 33 | englishman_pos = nation.index('Englishman') | |
| 34 | if color[englishman_pos] != 'red': | |
| 35 | continue | |
| 36 | except ValueError: | |
| 37 | continue | |
| 38 | ||
| 39 | for pet in pets: | |
| 40 | # Constraint 3: The Spaniard owns the dog | |
| 41 | # Edge Case: Find valid position where Spaniard and dog align | |
| 42 | try: | |
| 43 | spaniard_pos = nation.index('Spaniard') | |
| 44 | if pet[spaniard_pos] != 'dog': | |
| 45 | continue | |
| 46 | except ValueError: | |
| 47 | continue | |
| 48 | ||
| 49 | for drink in drinks: | |
| 50 | # Constraint 4: The person in the green house drinks coffee | |
| 51 | # Edge Case: Find valid position where green house and coffee align | |
| 52 | try: | |
| 53 | green_pos = color.index('green') | |
| 54 | if drink[green_pos] != 'coffee': | |
| 55 | continue | |
| 56 | except ValueError: | |
| 57 | continue | |
| 58 | ||
| 59 | # Constraint 5: The Ukrainian drinks tea | |
| 60 | # Edge Case: Find valid position where Ukrainian and tea align | |
| 61 | try: | |
| 62 | ukrainian_pos = nation.index('Ukrainian') | |
| 63 | if drink[ukrainian_pos] != 'tea': | |
| 64 | continue | |
| 65 | except ValueError: | |
| 66 | continue | |
| 67 | ||
| 68 | # Constraint 9: The person in the middle house drinks milk | |
| 69 | # Edge Case: Person in middle house (index 2) must drink milk | |
| 70 | if drink[2] != 'milk': | |
| 71 | continue | |
| 72 | ||
| 73 | for hobby in hobbies: | |
| 74 | # Constraint 7: The snail owner likes to go dancing | |
| 75 | # Edge Case: Find valid position where snails and dancing align | |
| 76 | try: | |
| 77 | snail_pos = pet.index('snails') | |
| 78 | if hobby[snail_pos] != 'dancing': | |
| 79 | continue | |
| 80 | except ValueError: | |
| 81 | continue | |
| 82 | ||
| 83 | # Constraint 8: The person in the yellow house is a painter | |
| 84 | # Edge Case: Find valid position where yellow house and painting align | |
| 85 | try: | |
| 86 | yellow_pos = color.index('yellow') | |
| 87 | if hobby[yellow_pos] != 'painting': | |
| 88 | continue | |
| 89 | except ValueError: | |
| 90 | continue | |
| 91 | ||
| 92 | # Constraint 13: The person who plays football drinks orange juice | |
| 93 | # Edge Case: Find valid position where football and orange juice align | |
| 94 | try: | |
| 95 | football_pos = hobby.index('football') | |
| 96 | if drink[football_pos] != 'orange_juice': | |
| 97 | continue | |
| 98 | except ValueError: | |
| 99 | continue | |
| 100 | ||
| 101 | # Constraint 14: The Japanese person plays chess | |
| 102 | # Edge Case: Find valid position where Japanese and chess align | |
| 103 | try: | |
| 104 | japanese_pos = nation.index('Japanese') | |
| 105 | if hobby[japanese_pos] != 'chess': | |
| 106 | continue | |
| 107 | except ValueError: | |
| 108 | continue | |
| 109 | ||
| 110 | # Constraint 11: The person who enjoys reading lives next to the person with the fox | |
| 111 | # Edge Case: Find valid adjacent positions for reading and fox | |
| 112 | try: | |
| 113 | reading_pos = hobby.index('reading') | |
| 114 | fox_pos = pet.index('fox') | |
| 115 | if abs(reading_pos - fox_pos) != 1: | |
| 116 | continue | |
| 117 | except ValueError: | |
| 118 | continue | |
| 119 | ||
| 120 | # Constraint 12: The painter's house is next to the house with the horse | |
| 121 | # Edge Case: Find valid adjacent positions for painting and horse | |
| 122 | try: | |
| 123 | painting_pos = hobby.index('painting') | |
| 124 | horse_pos = pet.index('horse') | |
| 125 | if abs(painting_pos - horse_pos) != 1: | |
| 126 | continue | |
| 127 | except ValueError: | |
| 128 | continue | |
| 129 | ||
| 130 | # If we reach here, we have a valid solution | |
| 131 | # Find who drinks water | |
| 132 | water_pos = drink.index('water') | |
| 133 | return nation[water_pos] | |
| 134 | ||
| 135 | # Handled Edge Cases: All constraints from the puzzle as edge cases | |
| 3 | 136 | |
| 4 | 137 | |
| 5 | 138 | def owns_zebra() -> str: |
| 6 | pass | |
| 139 | # Generate all possible permutations for each category | |
| 140 | houses = range(5) | |
| 141 | colors = list(itertools.permutations(['red', 'green', 'ivory', 'yellow', 'blue'])) | |
| 142 | nations = list(itertools.permutations(['Englishman', 'Spaniard', 'Ukrainian', 'Norwegian', 'Japanese'])) | |
| 143 | pets = list(itertools.permutations(['dog', 'snails', 'fox', 'horse', 'zebra'])) | |
| 144 | drinks = list(itertools.permutations(['coffee', 'tea', 'milk', 'orange_juice', 'water'])) | |
| 145 | hobbies = list(itertools.permutations(['dancing', 'painting', 'reading', 'football', 'chess'])) | |
| 146 | ||
| 147 | # Iterate through all possible combinations | |
| 148 | for color in colors: | |
| 149 | # Constraint 6: The green house is immediately to the right of the ivory house | |
| 150 | # Edge Case: Green house must be immediately to the right of ivory house | |
| 151 | if not any(color[i] == 'ivory' and color[i+1] == 'green' for i in range(4)): | |
| 152 | continue | |
| 153 | ||
| 154 | for nation in nations: | |
| 155 | # Constraint 10: The Norwegian lives in the first house | |
| 156 | # Edge Case: Norwegian must be in the first house (index 0) | |
| 157 | if nation[0] != 'Norwegian': | |
| 158 | continue | |
| 159 | ||
| 160 | # Constraint 15: The Norwegian lives next to the blue house | |
| 161 | # Edge Case: Norwegian in first house must have blue house at index 1 | |
| 162 | if color[1] != 'blue': | |
| 163 | continue | |
| 164 | ||
| 165 | # Constraint 2: The Englishman lives in the red house | |
| 166 | # Edge Case: Find valid position where Englishman and red house align | |
| 167 | try: | |
| 168 | englishman_pos = nation.index('Englishman') | |
| 169 | if color[englishman_pos] != 'red': | |
| 170 | continue | |
| 171 | except ValueError: | |
| 172 | continue | |
| 173 | ||
| 174 | for pet in pets: | |
| 175 | # Constraint 3: The Spaniard owns the dog | |
| 176 | # Edge Case: Find valid position where Spaniard and dog align | |
| 177 | try: | |
| 178 | spaniard_pos = nation.index('Spaniard') | |
| 179 | if pet[spaniard_pos] != 'dog': | |
| 180 | continue | |
| 181 | except ValueError: | |
| 182 | continue | |
| 183 | ||
| 184 | for drink in drinks: | |
| 185 | # Constraint 4: The person in the green house drinks coffee | |
| 186 | # Edge Case: Find valid position where green house and coffee align | |
| 187 | try: | |
| 188 | green_pos = color.index('green') | |
| 189 | if drink[green_pos] != 'coffee': | |
| 190 | continue | |
| 191 | except ValueError: | |
| 192 | continue | |
| 193 | ||
| 194 | # Constraint 5: The Ukrainian drinks tea | |
| 195 | # Edge Case: Find valid position where Ukrainian and tea align | |
| 196 | try: | |
| 197 | ukrainian_pos = nation.index('Ukrainian') | |
| 198 | if drink[ukrainian_pos] != 'tea': | |
| 199 | continue | |
| 200 | except ValueError: | |
| 201 | continue | |
| 202 | ||
| 203 | # Constraint 9: The person in the middle house drinks milk | |
| 204 | # Edge Case: Person in middle house (index 2) must drink milk | |
| 205 | if drink[2] != 'milk': | |
| 206 | continue | |
| 207 | ||
| 208 | for hobby in hobbies: | |
| 209 | # Constraint 7: The snail owner likes to go dancing | |
| 210 | # Edge Case: Find valid position where snails and dancing align | |
| 211 | try: | |
| 212 | snail_pos = pet.index('snails') | |
| 213 | if hobby[snail_pos] != 'dancing': | |
| 214 | continue | |
| 215 | except ValueError: | |
| 216 | continue | |
| 217 | ||
| 218 | # Constraint 8: The person in the yellow house is a painter | |
| 219 | # Edge Case: Find valid position where yellow house and painting align | |
| 220 | try: | |
| 221 | yellow_pos = color.index('yellow') | |
| 222 | if hobby[yellow_pos] != 'painting': | |
| 223 | continue | |
| 224 | except ValueError: | |
| 225 | continue | |
| 226 | ||
| 227 | # Constraint 13: The person who plays football drinks orange juice | |
| 228 | # Edge Case: Find valid position where football and orange juice align | |
| 229 | try: | |
| 230 | football_pos = hobby.index('football') | |
| 231 | if drink[football_pos] != 'orange_juice': | |
| 232 | continue | |
| 233 | except ValueError: | |
| 234 | continue | |
| 235 | ||
| 236 | # Constraint 14: The Japanese person plays chess | |
| 237 | # Edge Case: Find valid position where Japanese and chess align | |
| 238 | try: | |
| 239 | japanese_pos = nation.index('Japanese') | |
| 240 | if hobby[japanese_pos] != 'chess': | |
| 241 | continue | |
| 242 | except ValueError: | |
| 243 | continue | |
| 244 | ||
| 245 | # Constraint 11: The person who enjoys reading lives next to the person with the fox | |
| 246 | # Edge Case: Find valid adjacent positions for reading and fox | |
| 247 | try: | |
| 248 | reading_pos = hobby.index('reading') | |
| 249 | fox_pos = pet.index('fox') | |
| 250 | if abs(reading_pos - fox_pos) != 1: | |
| 251 | continue | |
| 252 | except ValueError: | |
| 253 | continue | |
| 254 | ||
| 255 | # Constraint 12: The painter's house is next to the house with the horse | |
| 256 | # Edge Case: Find valid adjacent positions for painting and horse | |
| 257 | try: | |
| 258 | painting_pos = hobby.index('painting') | |
| 259 | horse_pos = pet.index('horse') | |
| 260 | if abs(painting_pos - horse_pos) != 1: | |
| 261 | continue | |
| 262 | except ValueError: | |
| 263 | continue | |
| 264 | ||
| 265 | # If we reach here, we have a valid solution | |
| 266 | # Find who owns the zebra | |
| 267 | zebra_pos = pet.index('zebra') | |
| 268 | return nation[zebra_pos] | |
| 269 | ||
| 270 | # Handled Edge Cases: All constraints from the puzzle as edge cases |
| Test Name | Status |
|---|---|
test_resident_who_drinks_water | Pass |
test_resident_who_owns_zebra | Pass |
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