# Status Problem video Level Completes Likes 544 Counting the Largest Number Groups by Digit Sum Medium % 2 543 Adding One to a Number Represented by an Array Medium % 1 539 Find the Nth-term in a given arithmetic progression Beginner % 1 531 Convert a Decimal number to its binary representation Beginner % 1 527 In a number, add digits until it becomes a single digit Beginner % 1 502 Calculate tax on income as per given tax brackets. Beginner % 0 501 Valid Pickup and Delivery options Hard % 0 498 The largest number can be formed from the given number Beginner % 0 485 Construct the Largest number from the given digits Beginner % 1 448 Numbers with prime set bits in a given range using Sieve of Eratosthenes Algorithm Medium % 0 436 Find all unique combinations of exact K numbers (from 1 to 9 ) with sum to N Medium % 0 435 Hamming Distance between two given integers Beginner % 1 429 Find all the Armstrong numbers in the given range Beginner % 0 428 Collatz Conjecture - Maximum Steps takes to transform (1, N) to 1. Medium % 0 412 Check if Number is divisible by its digits Beginner % 0 411 Check if the given number is Armstrong number or not Beginner % 0 410 Evaluation of Prefix Expressions (Polish Notation) | Set 1 Medium % 0 406 Evaluation of Postfix Expressions (Polish Postfix notation) | Set 2 Medium % 0 405 Evaluation of Postfix Expressions (Polish Postfix notation) | Set 1 Medium % 0 404 Find all the numbers in the range which has prime set bits. Beginner % 0 Counting the Largest Number Groups by Digit Sum Adding One to a Number Represented by an Array Find the Nth-term in a given arithmetic progression Convert a Decimal number to its binary representation In a number, add digits until it becomes a single digit Calculate tax on income as per given tax brackets. Valid Pickup and Delivery options The largest number can be formed from the given number Construct the Largest number from the given digits Numbers with prime set bits in a given range using Sieve of Eratosthenes Algorithm Find all unique combinations of exact K numbers (from 1 to 9 ) with sum to N Hamming Distance between two given integers Find all the Armstrong numbers in the given range Collatz Conjecture - Maximum Steps takes to transform (1, N) to 1. Check if Number is divisible by its digits Check if the given number is Armstrong number or not Evaluation of Prefix Expressions (Polish Notation) | Set 1 Evaluation of Postfix Expressions (Polish Postfix notation) | Set 2 Evaluation of Postfix Expressions (Polish Postfix notation) | Set 1 Find all the numbers in the range which has prime set bits. 1 2 3
