# Status Problem video Level Completes Likes 365 Convert Infix to Postfix Expression Medium % 0 363 Evaluation of Infix expressions Medium % 0 361 Convert Prefix to Infix Expression Medium % 0 360 Least Recently Used (LRU) Cache – Using LinkedHashSet and Deque | Set 2 Hard % 0 359 Merge K sorted Linked List - Using Priority Queue Hard % 0 354 Valid Multiple Parentheses Medium % 1 353 Reverse a given number Beginner % 1 346 Valid Brackets – Part 2 | Stack Method Beginner % 0 330 Check if Given Number is power of 2 Beginner % 1 319 Get the Sum of Digits in a number till it become a single digit Medium % 0 317 Check if given number is Prime - O(√N) Solution Medium % 0 316 Print First N Prime Numbers Beginner % 0 312 Remove Vowels from a given String Beginner % 0 310 Dijkstra’s – Shortest Path Algorithm (SPT) – Adjacency List and Min Heap Hard % 0 280 Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find) Hard % 0 275 Graph – Detect Cycle in a Directed Graph using colors Hard % 0 274 Graph – Detect Cycle in an Undirected Graph using DFS Medium % 0 273 Graph – Detect Cycle in a Directed Graph Medium % 1 272 Graph – Software Installation Problem Medium % 0 271 Snake and Ladder Problem Hard % 1 Convert Infix to Postfix Expression Evaluation of Infix expressions Convert Prefix to Infix Expression Least Recently Used (LRU) Cache – Using LinkedHashSet and Deque | Set 2 Merge K sorted Linked List - Using Priority Queue Valid Multiple Parentheses Reverse a given number Valid Brackets – Part 2 | Stack Method Check if Given Number is power of 2 Get the Sum of Digits in a number till it become a single digit Check if given number is Prime - O(√N) Solution Print First N Prime Numbers Remove Vowels from a given String Dijkstra’s – Shortest Path Algorithm (SPT) – Adjacency List and Min Heap Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find) Graph – Detect Cycle in a Directed Graph using colors Graph – Detect Cycle in an Undirected Graph using DFS Graph – Detect Cycle in a Directed Graph Graph – Software Installation Problem Snake and Ladder Problem 1 2 3 4 5 6 7 8 9 10 11 12
