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First solution in Clear category for Compass, Map and Spyglass by Vasily__Chibilyaev
def navigation(seaside):
x, y = {}, {}
l, w = len(seaside), len(seaside[0])
for i in range(l):
for j in range(w):
for c in 'YCMS':
if seaside[i][j] == c:
x[c] = i
y[c] = j
return sum(max(abs(x[c] - x['Y']), abs(y[c] - y['Y'])) for c in 'CSM')
if __name__ == '__main__':
print("Example:")
print(navigation([['Y', 0, 0, 0, 'C'],
[ 0, 0, 0, 0, 0],
[ 0, 0, 0, 0, 0],
['M', 0, 0, 0, 'S']]))
#These "asserts" using only for self-checking and not necessary for auto-testing
assert navigation([['Y', 0, 0, 0, 'C'],
[ 0, 0, 0, 0, 0],
[ 0, 0, 0, 0, 0],
['M', 0, 0, 0, 'S']]) == 11
assert navigation([[ 0, 0, 'C'],
[ 0, 'S', 0],
['M','Y', 0]]) == 4
assert navigation([[ 0, 0, 0, 0, 0, 0, 0],
[ 0, 0, 0, 'M', 0, 'S', 0],
[ 0, 0, 0, 0, 0, 0, 0],
[ 0, 0, 0, 'C', 0, 0, 0],
[ 0, 'Y',0, 0, 0, 0, 0],
[ 0, 0, 0, 0, 0, 0, 0]]) == 9
print("Coding complete? Click 'Check' to earn cool rewards!")
Sept. 5, 2018