16 lines
		
	
	
	
		
			357 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			16 lines
		
	
	
	
		
			357 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| def max_profit(xs):
 | |
|     buy = xs[0]
 | |
|     profit = xs[1] - xs[0]
 | |
|     for price in xs[1:]:
 | |
|         profit = max(profit, price - buy)
 | |
|         buy = min(buy, price)
 | |
|     return profit
 | |
| 
 | |
| xs = [([10,7,5,8,11,9], 6),
 | |
|       ([10,8,7,6,5], -1)]
 | |
| 
 | |
| for x, expected in xs:
 | |
|     result = max_profit(x)
 | |
|     print(x, result)
 | |
|     assert result == expected
 | |
|     print("Success!")
 |