Created
May 5, 2012 11:21
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Merging two ordered lists
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| def merge(x, y): | |
| if len(x) == 0: | |
| return y | |
| if len(y) == 0: | |
| return x | |
| last = y.pop() if x[-1] < y[-1] else x.pop() | |
| # 'merged' is required because the append method is in place | |
| merged = merge(x, y) | |
| merged.append(last) | |
| return merged |
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| def merge(x, y): | |
| if len(x) == 0: | |
| return y | |
| if len(y) == 0: | |
| return x | |
| if x[0] <= y[0]: | |
| return [x[0]] + merge(x[1:], y) | |
| else: | |
| return [y[0]] + merge(x, y[1:]) | |
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Adicionei uma solução sem slice e concat.