# Status Problem video Level Completes Likes 556 Patience Sorting - Longest Increasing Subsequence Medium % 0 554 Counting bits - Leetcode Beginner % 0 553 Minimize Scheduling Headaches: Clone Yourself for Overlapping Events Hard % 0 549 Dynamic Programming - Minimum Cost for Climbing Stairs Medium % 0 548 Minimum Number of Halls Required for Lecture Scheduling Hard % 1 545 Maximizing Contiguous Ones with a Single Flip in a Binary Array Medium % 3 544 Counting the Largest Number Groups by Digit Sum Medium % 2 538 Find The Minimum time difference Medium % 1 528 Minimum Increments to make all array elements unique Medium % 0 503 Minimum Deletions to make the occurrence of each character unique. Hard % 1 468 Unique subsets with a given sum with allowed repeated digits. Medium % 0 466 Lexicographically next permutation With One swap Medium % 1 465 Find all subsets of size K from a given number N (1 to N) Medium % 0 463 Combinations with sum K from a given number N with repetition Medium % 0 462 Stable Marriage Problem - Gale–Shapley Algorithm Hard % 0 460 Construct the largest number from the given array Medium % 0 457 Given an array, print all unique subsets with a given sum. Medium % 0 444 Articulation Points OR Cut Vertices in a Graph Hard % 0 442 Find the number of distinct Islands OR connected components. Hard % 0 441 Print All Paths in Dijkstra's Shortest Path Algorithm Hard % 0 439 Determine the given routing number belong to which bank Medium % 0 436 Find all unique combinations of exact K numbers (from 1 to 9 ) with sum to N Medium % 0 426 Check if Graph is Bipartite - Adjacency List using Depth-First Search(DFS) Hard % 0 421 Sort a given stack - Using Recursion Hard % 1 416 Evaluation of Prefix Expressions (Polish Notation) | Set 2 Medium % 0 410 Evaluation of Prefix Expressions (Polish Notation) | Set 1 Medium % 0 402 Check if Arithmetic Expression contains duplicate parenthesis Medium % 0 401 Introduction to Bipartite Graphs OR Bigraphs Medium % 0 398 Smallest Number after Removing K digits Hard % 0 396 Optimizing Test Execution: Managing Test Dependencies for Sequential Order Medium % 0 392 Reverse a Stack using recursion - In Place (Without using extra memory) Hard % 1 390 Convert Prefix to Postfix Expression Medium % 0 388 Sort a given stack - Using Temporary Stack Medium % 0 387 Convert Postfix to Prefix Expression Medium % 0 386 Convert Integer to Roman Medium % 0 Patience Sorting - Longest Increasing Subsequence Counting bits - Leetcode Minimize Scheduling Headaches: Clone Yourself for Overlapping Events Dynamic Programming - Minimum Cost for Climbing Stairs Minimum Number of Halls Required for Lecture Scheduling Maximizing Contiguous Ones with a Single Flip in a Binary Array Counting the Largest Number Groups by Digit Sum Find The Minimum time difference Minimum Increments to make all array elements unique Minimum Deletions to make the occurrence of each character unique. Unique subsets with a given sum with allowed repeated digits. Lexicographically next permutation With One swap Find all subsets of size K from a given number N (1 to N) Combinations with sum K from a given number N with repetition Stable Marriage Problem - Gale–Shapley Algorithm Construct the largest number from the given array Given an array, print all unique subsets with a given sum. Articulation Points OR Cut Vertices in a Graph Find the number of distinct Islands OR connected components. Print All Paths in Dijkstra's Shortest Path Algorithm Determine the given routing number belong to which bank Find all unique combinations of exact K numbers (from 1 to 9 ) with sum to N Check if Graph is Bipartite - Adjacency List using Depth-First Search(DFS) Sort a given stack - Using Recursion Evaluation of Prefix Expressions (Polish Notation) | Set 2 Evaluation of Prefix Expressions (Polish Notation) | Set 1 Check if Arithmetic Expression contains duplicate parenthesis Introduction to Bipartite Graphs OR Bigraphs Smallest Number after Removing K digits Optimizing Test Execution: Managing Test Dependencies for Sequential Order Reverse a Stack using recursion - In Place (Without using extra memory) Convert Prefix to Postfix Expression Sort a given stack - Using Temporary Stack Convert Postfix to Prefix Expression Convert Integer to Roman 1 2 3 4 5