12:05Make The String Great | Stack Undo Pattern | Brute + Optimized | Java Python C++RisingBrain314 viewsView & Download
23:13Backspace String Compare | Stack Undo Operations Pattern | Brute + Optimized | Java Python C++RisingBrain559 viewsView & Download
16:55Remove All Adjacent Duplicates in String | Stack Undo Pattern | Brute + Optimized | Java Python C++RisingBrain362 viewsView & Download
23:14Remove K Digits | Stack + Greedy Pattern | Brute Force to Optimized Solution | Java Python C++RisingBrain439 viewsView & Download
24:35Remove Duplicate Letters | Lexicographically Smallest String | Greedy + Stack | Java Python C++RisingBrain331 viewsView & Download
