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- grid = [[8, 0o2, 22, 97, 38, 15, 00, 40, 00, 75, 0o4, 0o5, 0o7, 78, 52, 12, 50, 77, 91, 8],
- [49, 49, 99, 40, 17, 81, 18, 57, 60, 87, 17, 40, 98, 43, 69, 48, 0o4, 56, 62, 00],
- [81, 49, 31, 73, 55, 79, 14, 29, 93, 71, 40, 67, 53, 88, 30, 0o3, 49, 13, 36, 65],
- [52, 70, 95, 23, 0o4, 60, 11, 42, 69, 24, 68, 56, 0o1, 32, 56, 71, 37, 0o2, 36, 91],
- [22, 31, 16, 71, 51, 67, 63, 89, 41, 92, 36, 54, 22, 40, 40, 28, 66, 33, 13, 80],
- [24, 47, 32, 60, 99, 0o3, 45, 0o2, 44, 75, 33, 53, 78, 36, 84, 20, 35, 17, 12, 50],
- [32, 98, 81, 28, 64, 23, 67, 10, 26, 38, 40, 67, 59, 54, 70, 66, 18, 38, 64, 70],
- [67, 26, 20, 68, 0o2, 62, 12, 20, 95, 63, 94, 39, 63, 8, 40, 91, 66, 49, 94, 21],
- [24, 55, 58, 0o5, 66, 73, 99, 26, 97, 17, 78, 78, 96, 83, 14, 88, 34, 89, 63, 72],
- [21, 36, 23, 9, 75, 00, 76, 44, 20, 45, 35, 14, 00, 61, 33, 97, 34, 31, 33, 95],
- [78, 17, 53, 28, 22, 75, 31, 67, 15, 94, 0o3, 80, 0o4, 62, 16, 14, 9, 53, 56, 92],
- [16, 39, 0o5, 42, 96, 35, 31, 47, 55, 58, 88, 24, 00, 17, 54, 24, 36, 29, 85, 57],
- [86, 56, 00, 48, 35, 71, 89, 0o7, 0o5, 44, 44, 37, 44, 60, 21, 58, 51, 54, 17, 58],
- [19, 80, 81, 68, 0o5, 94, 47, 69, 28, 73, 92, 13, 86, 52, 17, 77, 0o4, 89, 55, 40],
- [0o4, 52, 8, 83, 97, 35, 99, 16, 0o7, 97, 57, 32, 16, 26, 26, 79, 33, 27, 98, 66],
- [88, 36, 68, 87, 57, 62, 20, 72, 0o3, 46, 33, 67, 46, 55, 12, 32, 63, 93, 53, 69],
- [0o4, 42, 16, 73, 38, 25, 39, 11, 24, 94, 72, 18, 8, 46, 29, 32, 40, 62, 76, 36],
- [20, 69, 36, 41, 72, 30, 23, 88, 34, 62, 99, 69, 82, 67, 59, 85, 74, 0o4, 36, 16],
- [20, 73, 35, 29, 78, 31, 90, 0o1, 74, 31, 49, 71, 48, 86, 81, 16, 23, 57, 0o5, 54],
- [0o1, 70, 54, 71, 83, 51, 54, 69, 16, 92, 33, 48, 61, 43, 52, 0o1, 89, 19, 67, 48]]
- def listproduct(quadlist):
- product = 1
- for i in quadlist:
- product *= i
- return product
- def vertproduct(grid):
- maxproduct = 1
- for column in range(16):
- for row in range(19):
- currentproduct = listproduct([grid[column][row], grid[column+1][row], grid[column+2][row], grid[column+3][row]])
- if currentproduct > maxproduct:
- maxproduct = currentproduct
- return maxproduct
- def horizproduct(grid):
- maxproduct = 1
- for column in range(19):
- for row in range(16):
- currentproduct = listproduct([grid[column][row], grid[column][row+1], grid[column][row+2], grid[column][row+3]])
- if currentproduct > maxproduct:
- maxproduct = currentproduct
- return maxproduct
- def diagright(grid):
- maxproduct = 1
- for column in range(16):
- for row in range(16):
- currentproduct = listproduct([grid[column][row], grid[column+1][row+1], grid[column+2][row+2], grid[column+3][row+3]])
- if currentproduct > maxproduct:
- maxproduct = currentproduct
- return maxproduct
- def diagleft(grid):
- maxproduct = 1
- for column in range(3, 19):
- for row in range(16):
- currentproduct = listproduct([grid[column][row], grid[column-1][row+1], grid[column-2][row+2], grid[column-3][row+3]])
- if currentproduct > maxproduct:
- maxproduct = currentproduct
- return maxproduct
- print(max(vertproduct(grid), horizproduct(grid), diagright(grid), diagleft(grid)))
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