Alien dictionary 📅Nov 26, 2016 · ☕ 4 min read Build a graph to solve alien dictionary problem via DFS/BFS.
Task schedule - greedy algorithm 📅Nov 14, 2016 · ☕ 4 min read Use greedy algorigthm to solve task scheduleing problem.
Substring type problem's template 📅Nov 8, 2016 · ☕ 2 min read Two pointer template to solve substring problem.