# 24.07.2025
[2322. Minimum Score After Removals on a Tree](https://leetcode.com/problems/minimum-score-after-removals-on-a-tree/description) hard
Min(max_group_xor - min_group_xor) by removing 2 edges from tree #hard #uf
[2322. Minimum Score After Removals on a Tree](https://leetcode.com/problems/minimum-score-after-removals-on-a-tree/description) hard
Min(max_group_xor - min_group_xor) by removing 2 edges from tree #hard #uf
👍1
# 06.11.2025
[3607. Power Grid Maintenance](https://leetcode.com/problems/power-grid-maintenance/description) medium
Smallest in subgraph after turning some nodes off #medium #uf
[3607. Power Grid Maintenance](https://leetcode.com/problems/power-grid-maintenance/description) medium
Smallest in subgraph after turning some nodes off #medium #uf
👍1
# 19.12.2025
[2092. Find All People With Secret](https://leetcode.com/problems/find-all-people-with-secret/description) hard
Time based secret spread in a graph #hard #uf
[2092. Find All People With Secret](https://leetcode.com/problems/find-all-people-with-secret/description) hard
Time based secret spread in a graph #hard #uf
👍1