Created
January 7, 2023 16:07
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| def mergesort(seq): | |
| mid = len(seq) // 2 | |
| lft, rgt = seq[:mid], seq[mid:] | |
| if len(lft) > 1: lft = mergesort(lft) | |
| if len(rgt) > 1: rgt = mergesort(rgt) | |
| res = [] | |
| while lft and rgt: | |
| if lft[-1] >= rgt[-1]: res.append(lft.pop()) | |
| else: res.append(rgt.pop()) | |
| return (lft or rgt) + res[::-1] |
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