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Added Longest Strictly Increasing subsequence, python #740

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Added Longest Strictly Increasing subsequence, python #740

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19 changes: 19 additions & 0 deletions INterviewQuestions/LongestStrictlyIncreasingSubsequence.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
"""
Given a list of integers, find the length of the longest strictly increasing subsequence in the list
"""
def longestIncreasing(arr):
from bisect import bisect_left
tmp = []

for v in arr:
if len(tmp) == 0:
tmp.append(v)

elif v < tmp[-1]:
element_replace = bisect_left(tmp, v)
tmp[element_replace] = v

else:
tmp.append(v)

return len(tmp)