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Better Algo #11

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Better Algo #11

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25 changes: 8 additions & 17 deletions interview-preparation-kit/counting-valleys.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,23 +3,14 @@
import sys

def countingValleys(n, s):
res = 0
in_valley = 0
curr = 0

for step in s:
if step == 'U':
curr += 1
else:
curr -= 1

if curr < 0 and in_valley == 0:
in_valley = 1
if in_valley == 1 and curr == 0:
in_valley = 0
res += 1

return res
stepSum=0
valleyCount=0
for i in path:
stepSum=stepSum+1 if i=="U" else stepSum
stepSum=stepSum-1 if i=="D" else stepSum
if stepSum==0 and i=="U":
valleyCount=valleyCount+1
return (valleyCount)

if __name__ == "__main__":
n = int(input().strip())
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