Toolliyo Practice

Problems explorer

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

2100 problems in this topic

# Title Topics Acceptance Pts Difficulty
651 Search a 2D Matrix — 30 Medium Solve
652 Subtree of Another Tree — 20 Easy Solve
653 Target Sum — 30 Medium Solve
654 Task Scheduler — 30 Medium Solve
655 Time Based Key-Value Store — 30 Medium Solve
656 Two Sum — 20 Easy Solve
657 Valid Sudoku — 30 Medium Solve
658 Word Break — 30 Medium Solve
659 Word Search — 30 Medium Solve
660 Word Search — 30 Medium Solve
661 Add Two Numbers — 30 Medium Solve
662 Alien Dictionary — 40 Hard Solve
663 Best Time to Buy and Sell Stock with Cooldown — 30 Medium Solve
664 Burst Balloons — 40 Hard Solve
665 Car Fleet — 30 Medium Solve
666 Cheapest Flights Within K Stops — 30 Medium Solve
667 Coin Change — 30 Medium Solve
668 Coin Change 2 — 30 Medium Solve
669 Combination Sum II — 30 Medium Solve
670 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
671 Container With Most Water — 30 Medium Solve
672 Count Good Nodes in Binary Tree — 30 Medium Solve
673 Decode Ways — 30 Medium Solve
674 Design Add and Search Words Data Structure — 30 Medium Solve
675 Design Twitter — 30 Medium Solve
676 Diameter of Binary Tree — 20 Easy Solve
677 Encode and Decode Strings — 30 Medium Solve
678 Evaluate Reverse Polish Notation — 30 Medium Solve
679 Evaluate Reverse Polish Notation — 30 Medium Solve
680 Find Minimum in Rotated Sorted Array — 30 Medium Solve
681 Group Anagrams — 30 Medium Solve
682 Insert Interval — 30 Medium Solve
683 Invert Binary Tree — 20 Easy Solve
684 Jump Game II — 30 Medium Solve
685 Linked List Cycle — 20 Easy Solve
686 Longest Increasing Path in a Matrix — 40 Hard Solve
687 Longest Increasing Subsequence — 30 Medium Solve
688 Maximum Depth of Binary Tree — 20 Easy Solve
689 Maximum Product Subarray — 30 Medium Solve
690 Maximum Subarray — 30 Medium Solve
691 Merge Intervals — 30 Medium Solve
692 Merge Two Sorted Lists — 20 Easy Solve
693 Merge k Sorted Lists — 40 Hard Solve
694 Min Cost Climbing Stairs — 20 Easy Solve
695 Min Cost Climbing Stairs — 20 Easy Solve
696 Min Stack — 30 Medium Solve
697 Min Stack — 30 Medium Solve
698 Number of Connected Components in an Undirected Graph — 30 Medium Solve
699 Pacific Atlantic Water Flow — 30 Medium Solve
700 Pacific Atlantic Water Flow — 30 Medium Solve
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