# Status Problem video Level Completes Likes 482 Largest word in dictionary by removing a few characters from the given string Beginner % 0 480 Check if one string is a subsequence of another string. Beginner % 0 479 Most frequent word Beginner % 0 473 Given an array, count the number of pairs with a given sum. Beginner % 0 471 Two Sum Problem Beginner % 0 464 Sum of distinct elements among two given sets Beginner % 0 461 Insert a node in the given sorted linked list. Beginner % 1 458 Print sorted unique elements of a given array Beginner % 0 453 Number of Intervals in which given value lies Beginner % 0 451 Find the sum of overlapping elements in two sets Beginner % 0 450 Given two coordinates, Print the line equation Beginner % 0 446 Print all middle elements of the given matrix/2D array. Beginner % 1 445 Depth-First Search (DFS) in 2D Matrix/2D-Array - Recursive Solution Beginner % 1 440 Given an array, Print sum of all subsets Beginner % 1 435 Hamming Distance between two given integers Beginner % 1 434 Print boundary of given matrix/2D array. Beginner % 1 433 Depth-First Search (DFS) in 2D Matrix/2D-Array - Iterative Solution Beginner % 0 432 Breadth-First Search (BFS) in 2D Matrix/2D-Array Beginner % 1 429 Find all the Armstrong numbers in the given range Beginner % 0 425 Check if the given binary tree is Full or not Beginner % 1 424 Check if given undirected graph is connected or not Beginner % 0 422 Print Stack in reverse order Beginner % 0 417 Maximum number edges to make Acyclic Undirected/Directed Graph Beginner % 0 415 Hamming Distance between two given strings Beginner % 0 412 Check if Number is divisible by its digits Beginner % 0 411 Check if the given number is Armstrong number or not Beginner % 0 404 Find all the numbers in the range which has prime set bits. Beginner % 0 400 Reverse the Directed Graph Beginner % 0 397 Find Third Smallest elements in a given array Beginner % 0 394 Find the maximum number present in a String Beginner % 0 393 Count number of subgraphs in a given graph Beginner % 0 389 Convert Roman Number to Integer Beginner % 0 382 Linear Search vs Binary Search Beginner % 0 380 Count the number of nodes in a given binary tree Beginner % 0 378 Longest contiguous character in a given String - O(N) Solution Beginner % 0 Largest word in dictionary by removing a few characters from the given string Check if one string is a subsequence of another string. Most frequent word Given an array, count the number of pairs with a given sum. Two Sum Problem Sum of distinct elements among two given sets Insert a node in the given sorted linked list. Print sorted unique elements of a given array Number of Intervals in which given value lies Find the sum of overlapping elements in two sets Given two coordinates, Print the line equation Print all middle elements of the given matrix/2D array. Depth-First Search (DFS) in 2D Matrix/2D-Array - Recursive Solution Given an array, Print sum of all subsets Hamming Distance between two given integers Print boundary of given matrix/2D array. Depth-First Search (DFS) in 2D Matrix/2D-Array - Iterative Solution Breadth-First Search (BFS) in 2D Matrix/2D-Array Find all the Armstrong numbers in the given range Check if the given binary tree is Full or not Check if given undirected graph is connected or not Print Stack in reverse order Maximum number edges to make Acyclic Undirected/Directed Graph Hamming Distance between two given strings Check if Number is divisible by its digits Check if the given number is Armstrong number or not Find all the numbers in the range which has prime set bits. Reverse the Directed Graph Find Third Smallest elements in a given array Find the maximum number present in a String Count number of subgraphs in a given graph Convert Roman Number to Integer Linear Search vs Binary Search Count the number of nodes in a given binary tree Longest contiguous character in a given String - O(N) Solution 1 2 3 4 5 6 7