xcv58/minimum_loss.py

## minimum_loss.py
n = int(input())
prices = [int(i) for i in input().split()]
d = { x: i for i, x in enumerate(prices) }
sorted_prices = sorted(prices)
pairs = [ i - j for i, j in zip(sorted_prices[1:], sorted_prices[:-1]) if d[i] < d[j] ]
print(min(pairs))
	n = int(input())
	prices = [int(i) for i in input().split()]
	d = { x: i for i, x in enumerate(prices) }
	sorted_prices = sorted(prices)
	pairs = [ i - j for i, j in zip(sorted_prices[1:], sorted_prices[:-1]) if d[i] < d[j] ]
	print(min(pairs))