Toolliyo Practice

Problems explorer

Browse by topic · auto-judge · company sheets · roadmaps — not just a problem dump.

505 problems in this topic

# Title Topics Acceptance Pts Difficulty
351 Rotting Oranges — 30 Medium Solve
352 Valid Anagram — 20 Easy Solve
353 Coin Change — 30 Medium Solve
354 Diameter of Binary Tree — 20 Easy Solve
355 Gas Station — 30 Medium Solve
356 Generate Parentheses — 30 Medium Solve
357 Jump Game II — 30 Medium Solve
358 Last Stone Weight — 20 Easy Solve
359 Longest Consecutive Sequence — 30 Medium Solve
360 Maximum Product Subarray — 30 Medium Solve
361 Median of Two Sorted Arrays — 40 Hard Solve
362 Multiply Strings — 30 Medium Solve
363 Non-overlapping Intervals — 30 Medium Solve
364 Plus One — 20 Easy Solve
365 Subtree of Another Tree — 20 Easy Solve
366 Validate Binary Search Tree — 30 Medium Solve
367 Walls and Gates — 30 Medium Solve
368 Word Ladder — 40 Hard Solve
369 Best Time to Buy and Sell Stock with Cooldown — 30 Medium Solve
370 Climbing Stairs — 20 Easy Solve
371 Coin Change 2 — 30 Medium Solve
372 Combination Sum — 30 Medium Solve
373 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
374 Count Good Nodes in Binary Tree — 30 Medium Solve
375 Find Minimum in Rotated Sorted Array — 30 Medium Solve
376 Happy Number — 20 Easy Solve
377 Linked List Cycle — 20 Easy Solve
378 Longest Substring Without Repeating Characters — 30 Medium Solve
379 Merge Intervals — 30 Medium Solve
380 Non-overlapping Intervals — 30 Medium Solve
381 Reconstruct Itinerary — 40 Hard Solve
382 Reverse Bits — 20 Easy Solve
383 Sum of Two Integers — 30 Medium Solve
384 Word Search II — 40 Hard Solve
385 Burst Balloons — 40 Hard Solve
386 Coin Change — 30 Medium Solve
387 Counting Bits — 20 Easy Solve
388 Design Add and Search Words Data Structure — 30 Medium Solve
389 Diameter of Binary Tree — 20 Easy Solve
390 Evaluate Reverse Polish Notation — 30 Medium Solve
391 Find Median from Data Stream — 40 Hard Solve
392 Group Anagrams — 30 Medium Solve
393 Happy Number — 20 Easy Solve
394 Last Stone Weight — 20 Easy Solve
395 Min Cost Climbing Stairs — 20 Easy Solve
396 N-Queens — 40 Hard Solve
397 Product of Array Except Self — 30 Medium Solve
398 Regular Expression Matching — 40 Hard Solve
399 Remove Nth Node From End of List — 30 Medium Solve
400 Set Matrix Zeroes — 30 Medium Solve
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