| 3 | |
| 4 | |
| 5 | class Node: |
| 6 | def __init__(self, name, val): |
| 7 | self.name = name |
| 8 | self.val = val |
| 9 | |
| 10 | def __str__(self): |
| 11 | return f"{self.__class__.__name__}({self.name}, {self.val})" |
| 12 | |
| 13 | def __lt__(self, other): |
| 14 | return self.val < other.val |
| 15 | |
| 16 | |
| 17 | class MinHeap: |