38 lines
955 B
Python
38 lines
955 B
Python
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#!/usr/bin/python
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import re
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RE_SPEED_INFO = re.compile(r'^(.*) can fly (\d+) km/s for (\d+) seconds, but then must rest for (\d+) seconds.$')
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def read_file(filename):
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file = open(filename, 'r')
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while True:
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line = file.readline()
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if not line:
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break
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yield line
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def calculateDistance(time, speed, speedTime, restTime):
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distance = 0
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cycleTime = speedTime + restTime
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cycles = int(time/cycleTime)
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distance = distance + cycles*speed*speedTime
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distance += min(speedTime, time % cycleTime)*speed
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return distance
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def main():
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time = 2503
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for line in read_file('input'):
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match = re.search(RE_SPEED_INFO, line)
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if not match:
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print "wrong operation syntax"
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distance = calculateDistance(time, int(match.group(2)), int(match.group(3)), int(match.group(4)))
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print "%010d %s" % (distance, match.group(1))
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if __name__ == "__main__":
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main()
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