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First solution in Clear category for Call to Home by rogos
# migrated from python 2.7
from math import ceil
from collections import Counter
def total_cost(calls):
c = Counter()
for line in calls:
data, czas, dlugosc = line.split(' ')
c[data] += int(ceil(float(dlugosc)/60))
return sum([i > 100 and (i-100)*2+100 or i for i in c.values()])
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert total_cost(("2014-01-01 01:12:13 181",
"2014-01-02 20:11:10 600",
"2014-01-03 01:12:13 6009",
"2014-01-03 12:13:55 200")) == 124, "Base example"
assert total_cost(("2014-02-05 01:00:00 1",
"2014-02-05 02:00:00 1",
"2014-02-05 03:00:00 1",
"2014-02-05 04:00:00 1")) == 4, "Short calls but money..."
assert total_cost(("2014-02-05 01:00:00 60",
"2014-02-05 02:00:00 60",
"2014-02-05 03:00:00 60",
"2014-02-05 04:00:00 6000")) == 106, "Precise calls"
Jan. 31, 2017
