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- import argparse
- import functools
- parser = argparse.ArgumentParser()
- parser.add_argument("ifile", type=argparse.FileType('r'))
- args = parser.parse_args()
- crabs = [int(x) for x in args.ifile.readline().split(',')]
- def sumOfSeq(start: int, end: int) -> int:
- # n⁄2 {2a + (n − 1) d}
- n = end
- d = 1
- return int(n * (2 * start + (n - 1)) / 2)
- print(min([sum([sumOfSeq(1, abs(start - pos)) for start in crabs]) for pos in range(0, len(crabs) + 1)]))
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