947 most stones removed from same column and row
- union find single iteration (why take row & column as node?)
827 Making A Large Island
- using dfs? (painting island method)
909 snakes and ladders
- just how? (submission done but hard to understand)
2101 Detonate the Maximum Bombs
- n^3 solution is understable, how to do in n^2 ?
2092 Find All People With Secret
- union find?
924 Minimize Malware Spread
- dfs??
1462 Course schedule 4
- topo sort?
- floyd warshall?
851 Loud And Rich
- topo sort?