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 399 Round Price Problem Hard % 0 398 Smallest Number after Removing K digits Hard % 0 396 Determine the order of Tests when tests have dependencies on each other Medium % 0 395 Implement Graph Using Map - Java Medium % 0 393 Count number of subgraphs in a given graph Beginner % 0 390 Convert Prefix to Postfix Expression Medium % 0 389 Convert Roman Number to Integer Beginner % 0 388 Sort a given stack - Using Temporary Stack Medium % 0 387 Convert Postfix to Prefix Expression Medium % 0 384 Grouping of Anagrams Medium % 0 383 Print Processes and its messages from a given log file Medium % 0 382 Linear Search vs Binary Search Beginner % 0 381 K-Means Algorithm Hard % 0 380 Count the number of nodes in a given binary tree Beginner % 0 379 Sieve of Eratosthenes - Find all Prime Numbers less than equal to N | Set 2 Medium % 0 376 Collatz Conjecture - Steps to transform Number to 1 Beginner % 0 374 Find all Prime Numbers less than equal to N | Set 1 Beginner % 0 372 Monotone Increasing Digits Medium % 1 370 Find third largest element in a given array Beginner % 0 368 Max Flow Problem - Ford-Fulkerson Algorithm Hard % 0 367 Sum of all Unique elements in a given array Beginner % 0 366 Java program to find the largest element in array Beginner % 0 364 Find three smallest elements in a given array Beginner % 0 361 Convert Prefix to Infix Expression Medium % 0 360 Least Recently Used (LRU) Cache – Using LinkedHashSet and Deque | Set 2 Hard % 0 356 Check if array contains all unique or distinct numbers. Beginner % 0 355 Product of all Unique elements in a given array. Beginner % 0 352 Check if given number is perfect square - O(√N) Solution Beginner % 0 350 Find first three largest elements in a given array Beginner % 0 349 Selection Sort – Java Implementation Beginner % 0 348 Print Number with its Sign in Java Beginner % 0 347 Find the nearest building which has bike | Find nearest specific vertex from source in a graph. Hard % 0 345 Find the roots of Quadratic Equation – Java Program Beginner % 0 343 Generate all the strings of length n from 0 to k-1. Medium % 0 342 Find two smallest elements in a given array Beginner % 0 Round Price Problem Smallest Number after Removing K digits Determine the order of Tests when tests have dependencies on each other Implement Graph Using Map - Java Count number of subgraphs in a given graph Convert Prefix to Postfix Expression Convert Roman Number to Integer Sort a given stack - Using Temporary Stack Convert Postfix to Prefix Expression Grouping of Anagrams Print Processes and its messages from a given log file Linear Search vs Binary Search K-Means Algorithm Count the number of nodes in a given binary tree Sieve of Eratosthenes - Find all Prime Numbers less than equal to N | Set 2 Collatz Conjecture - Steps to transform Number to 1 Find all Prime Numbers less than equal to N | Set 1 Monotone Increasing Digits Find third largest element in a given array Max Flow Problem - Ford-Fulkerson Algorithm Sum of all Unique elements in a given array Java program to find the largest element in array Find three smallest elements in a given array Convert Prefix to Infix Expression Least Recently Used (LRU) Cache – Using LinkedHashSet and Deque | Set 2 Check if array contains all unique or distinct numbers. Product of all Unique elements in a given array. Check if given number is perfect square - O(√N) Solution Find first three largest elements in a given array Selection Sort – Java Implementation Print Number with its Sign in Java Find the nearest building which has bike | Find nearest specific vertex from source in a graph. Find the roots of Quadratic Equation – Java Program Generate all the strings of length n from 0 to k-1. Find two smallest elements in a given array 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
