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22 lines
509 B
22 lines
509 B
#!/usr/bin/python3
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# https://www.hackerrank.com/challenges/filling-jars
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import sys
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def nextints():
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return [ int(x) for x in sys.stdin.readline().split() ]
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def new_candies(start, end, new_per_jar):
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return (end - start + 1) * new_per_jar
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def main():
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total = 0
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[num_jars, num_ops] = nextints()
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for _ in range(num_ops):
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[start, end, new_per_jar] = nextints()
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total += new_candies(start, end, new_per_jar)
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print(total // num_jars)
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if __name__ == '__main__':
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main()
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