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First solution in Uncategorized category for Call to Home by ablikexe
def total_cost(calls):
total = {}
for call in calls:
day, _, t = call.split()
total[day] = (int(t)+59)//60 + total.get(day,0)
return sum(x if x<=100 else 2*x-100 for x in total.values())
July 29, 2014
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