31 lines
813 B
Python
Executable file
31 lines
813 B
Python
Executable file
#!/usr/bin/env python
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import sys
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if __name__ == '__main__':
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positions = [int(i) for i in sys.stdin.readline().split(',')]
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def calc(starting_guess, distance_cost):
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def target_cost(target):
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return sum(distance_cost(abs(position-target)) for position in positions)
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target = starting_guess(positions)
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current_cost = target_cost(target)
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for i in (-1, 1):
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while (next_cost := target_cost(target+i)) < current_cost:
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current_cost = next_cost
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target += i
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return current_cost
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positions.sort()
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print(calc(
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lambda positions: positions[len(positions)//2],
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lambda n: n
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))
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print(calc(
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lambda positions: int(sum(positions)/len(positions)),
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lambda n: n * (n+1)//2
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))
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