/Python/Counting valleys hackerrank solution python

Counting valleys hackerrank solution python

# Don't copy it. Of course you wouldn't right?
def countingValleys(steps, path):
   # if value of current_level = 0 they're currently in sea level 
   # and negative means below sea level
  # positive means above sea level
    current_level = 0  
  # number of times they scape the valley is the number of valley
  # there is
    no_of_valleys = 0
    
    for position in path:
        if position == "D":   
            current_level -= 1
        elif position == "U":
            current_level += 1
            # when they are going up and finally reach sea level,
            # i.e current_level=0, they finally escape a valley
            if current_level == 0:
                no_of_valleys += 1
        
    return no_of_valleys

Similar codes

1 vote223 views1 answer
GdScript int
Python
0 vote207 views1 answer
Geopandas españa map
Python
1 vote212 views1 answer
What is print in python
Python
11 votes183 views2 answers
Append 1 colimn in pandas df
Python
0 vote263 views1 answer
Django model plural
Python Django
1 vote200 views1 answer
How to convert img to gray python
Python
0 vote194 views1 answer
Disable json dumps encode
Python
6 votes195 views1 answer
Check if any value is null in pandas dataframe
Python
0 vote260 views1 answer
Exception Type: AssertionError Exception Value: Expected a `Response`, `HttpResponse` or `HttpStreamingResponse` to be returned from the view, but received a `<class 'django.db.models.query.QuerySet'>`
Python Django
0 vote204 views1 answer
Cross_val_score scoring parameters types
Python