There is optimization for precise algorithm, which is to use linked lists for cidr storage, so removing an element will cost O(1) instead of O(N).
To show result:
```bash
python -m vpn_manager.cidr4_merge.precise
python -m vpn_manager.cidr4_merge.fast
```
There is optimization for precise algorithm, which is to use linked lists for cidr storage, so removing an element will cost `O(1)` instead of `O(N)`.
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To show result:
There is optimization for precise algorithm, which is to use linked lists for cidr storage, so removing an element will cost
O(1)instead ofO(N).