Featured Lists Top 20 Problems on Dynamic programming Top 10 Problems on Backtracking Top 20 Problems on Graph Top 25 Problems on Trees Top 10 Problems on Bits Manipulation Top 15 Problems in LinkedList All Problems # Status Problem video Level Completes Likes 279 Disjoint Set | Union-Find Algorithm - Union by rank and path compression Hard % 0 278 Disjoint Set Data Structure - Union Find Algorithm Hard % 0 276 Graph – Find Number of non reachable vertices from a given vertex Medium % 0 275 Graph – Detect Cycle in a Directed Graph using colors Hard % 0 274 Graph – Detect Cycle in an Undirected Graph using DFS Medium % 0 272 Graph – Software Installation Problem Medium % 0 265 Java Pair Class Beginner % 0 264 Graph Implementation – Adjacency List - Better| Set 2 Beginner % 0 263 Minimum Copy Paste Operations Medium % 0 262 Count and print all Subarrays with product less than K in O(n) Hard % 0 261 Sliding Window Algorithm (Track the maximum of each subarray of size k) Hard % 0 260 Deque Implementation – Java Beginner % 0 259 Print all sub sequences of a given String Medium % 0 256 Print all sub sequences of a given array Hard % 0 255 Print all substrings of a given string Medium % 0 254 Sum of all sub arrays in O(n) Time Hard % 0 252 Text Justification Problem (OR Word Wrap Problem) - Leetcode 68 Hard % 0 251 Dynamic Programming - Egg Dropping Problem Hard % 0 250 Nuts & Bolts Problem (Lock & Key problem) Beginner % 0 249 Divide and Conquer - Rearrange array elements in special order Medium % 0 248 Remove Duplicates from a string | 4 Approaches Medium % 0 247 Find median of two sorted arrays of same size Medium % 0 246 Dynamic programming – Minimum Jumps to reach to end Hard % 0 245 Dynamic programming – Printer Problem | Leetcode Hard % 0 244 Dynamic programming - Remove Boxes Problem | leetcode Hard % 0 241 Separate even and odd integers in a given array Beginner % 0 239 Find local minimum or local maximum in O(1) Medium % 0 238 Separate 0’s and 1’s in a given array Beginner % 0 237 Find three elements in an array that sum to a zero Beginner % 0 235 Majority Element- Boyer–Moore majority vote algorithm Medium % 0 234 Majority Element – Part 1 Beginner % 0 233 Find the local minima in a given array Medium % 0 232 Check whether the given number is a perfect square Beginner % 0 231 Check if array is sorted using recursion Beginner % 0 230 Find the Index from which 0 starts Beginner % 0 Disjoint Set | Union-Find Algorithm - Union by rank and path compression Disjoint Set Data Structure - Union Find Algorithm Graph – Find Number of non reachable vertices from a given vertex Graph – Detect Cycle in a Directed Graph using colors Graph – Detect Cycle in an Undirected Graph using DFS Graph – Software Installation Problem Java Pair Class Graph Implementation – Adjacency List - Better| Set 2 Minimum Copy Paste Operations Count and print all Subarrays with product less than K in O(n) Sliding Window Algorithm (Track the maximum of each subarray of size k) Deque Implementation – Java Print all sub sequences of a given String Print all sub sequences of a given array Print all substrings of a given string Sum of all sub arrays in O(n) Time Text Justification Problem (OR Word Wrap Problem) - Leetcode 68 Dynamic Programming - Egg Dropping Problem Nuts & Bolts Problem (Lock & Key problem) Divide and Conquer - Rearrange array elements in special order Remove Duplicates from a string | 4 Approaches Find median of two sorted arrays of same size Dynamic programming – Minimum Jumps to reach to end Dynamic programming – Printer Problem | Leetcode Dynamic programming - Remove Boxes Problem | leetcode Separate even and odd integers in a given array Find local minimum or local maximum in O(1) Separate 0’s and 1’s in a given array Find three elements in an array that sum to a zero Majority Element- Boyer–Moore majority vote algorithm Majority Element – Part 1 Find the local minima in a given array Check whether the given number is a perfect square Check if array is sorted using recursion Find the Index from which 0 starts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
