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e414.py
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# A bit needlessly complicated, but does it's job. Might be more efficient just to
# use the max() and min() functions to initially set the 1st and 3rd maxes given the
# added operations for large datasets, but eh.
class Solution:
def thirdMax(self, nums: List[int]) -> int:
maxes = []
for i in nums :
if i in maxes :
continue
if len(maxes) < 3 :
if (len(maxes) == 0) :
maxes.append(i)
elif len(maxes) == 1 :
if i > maxes[0] :
maxes.append(i)
else :
maxes.insert(0, i)
else :
if i > maxes[1] :
maxes.append(i)
elif i > maxes[0] :
maxes.insert(1, i)
else :
maxes.insert(0, i)
continue
if i > maxes[2] :
maxes[0] = maxes[1]
maxes[1] = maxes[2]
maxes[2] = i
elif i > maxes[1] :
maxes[0] = maxes[1]
maxes[1] = i
elif i > maxes[0] :
maxes[0] = i
if len(maxes) < 3 :
return max(maxes)
else :
return maxes[0]