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Moore Neighborhood solution in Clear category for Moore Neighbourhood by kobal007
# migrated from python 2.7
def count_neighbours(grid, row, col):
row_range = list(range(row-1,row+2))
col_range = list(range(col-1,col+2))
count = 0
for rw in row_range:
if rw <0 or rw > len(grid)-1:
continue
for cl in col_range:
if cl < 0 or cl > len(grid[0])-1:
continue
if rw == row and cl == col:
continue
if grid[rw][cl] == 1:
count +=1
return count
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert count_neighbours(
((1, 0, 0, 1, 0),
(0, 1, 0, 0, 0),
(0, 0, 1, 0, 1),
(1, 0, 0, 0, 0),
(0, 0, 1, 0, 0),), 1, 2) == 3, "1st example"
assert count_neighbours(((1, 0, 0, 1, 0),
(0, 1, 0, 0, 0),
(0, 0, 1, 0, 1),
(1, 0, 0, 0, 0),
(0, 0, 1, 0, 0),), 0, 0) == 2, "2nd example"
assert count_neighbours(((1, 1, 1),
(1, 1, 1),
(1, 1, 1),), 0, 2) == 3, "Dense corner"
assert count_neighbours(((0, 0, 0),
(0, 1, 0),
(0, 0, 0),), 1, 1) == 0, "Single"
Nov. 18, 2015
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