/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 vote323 views1 answer
Variable plus one python
Python
0 vote314 views2 answers
Sort list of string datetimes python
Python
1 vote349 views1 answer
Display data from database in django
Python Django
1 vote367 views1 answer
Panda Series Function
Python
2 votes323 views2 answers
Pandas replace null values with values from another column
Python
0 vote373 views2 answers
Django swagger
Python Django
0 vote269 views1 answer
Opencv change color
Python
0 vote333 views1 answer
Day 19: interfaces hackerrank solution in python
Python
24 votes315 views6 answers
Convert all items in list to string python
Python
0 vote394 views1 answer
How to console log in django heroku
Python Django