27 lines
416 B
Python
27 lines
416 B
Python
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#!/usr/bin/env python3
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import sys
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def maximal_distance(A):
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if len(A) == 0:
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return None
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max_n = A[0]
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min_n = A[0]
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for i in range(1,len(A)):
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if max_n < A[i]:
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max_n = A[i]
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elif min_n > A[i]:
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min_n = A[i]
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return max_n - min_n
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A = []
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for line in sys.stdin:
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if line[0] == '\n':
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break
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A.append(int(line))
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print(maximal_distance(A))
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