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
451 K Closest Points to Origin — 30 Medium Solve
452 Longest Repeating Character Replacement — 30 Medium Solve
453 Longest Substring Without Repeating Characters — 30 Medium Solve
454 Maximum Product Subarray — 30 Medium Solve
455 Median of Two Sorted Arrays — 40 Hard Solve
456 Meeting Rooms II — 30 Medium Solve
457 Missing Number — 20 Easy Solve
458 Number of Connected Components in an Undirected Graph — 30 Medium Solve
459 Partition Labels — 30 Medium Solve
460 Reconstruct Itinerary — 40 Hard Solve
461 Search in Rotated Sorted Array — 30 Medium Solve
462 Subtree of Another Tree — 20 Easy Solve
463 Sum of Two Integers — 30 Medium Solve
464 Word Search — 30 Medium Solve
465 Alien Dictionary — 40 Hard Solve
466 Coin Change 2 — 30 Medium Solve
467 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
468 Copy List with Random Pointer — 30 Medium Solve
469 Decode Ways — 30 Medium Solve
470 Evaluate Reverse Polish Notation — 30 Medium Solve
471 Find Minimum in Rotated Sorted Array — 30 Medium Solve
472 Generate Parentheses — 30 Medium Solve
473 Linked List Cycle — 20 Easy Solve
474 Min Cost Climbing Stairs — 20 Easy Solve
475 Minimum Interval to Include Each Query — 40 Hard Solve
476 Pacific Atlantic Water Flow — 30 Medium Solve
477 Permutations — 30 Medium Solve
478 Pow(x, n) — 30 Medium Solve
479 Product of Array Except Self — 30 Medium Solve
480 Top K Frequent Elements — 30 Medium Solve
481 Last Stone Weight — 20 Easy Solve
482 Longest Common Subsequence — 30 Medium Solve
483 Multiply Strings — 30 Medium Solve
484 Regular Expression Matching — 40 Hard Solve
485 Remove Nth Node From End of List — 30 Medium Solve
486 Combination Sum — 30 Medium Solve
487 Edit Distance — 40 Hard Solve
488 Partition Labels — 30 Medium Solve
489 Reverse Nodes in k-Group — 40 Hard Solve
490 Sum of Two Integers — 30 Medium Solve
491 Hand of Straights — 30 Medium Solve
492 Lowest Common Ancestor of a Binary Search Tree — 30 Medium Solve
493 Minimum Interval to Include Each Query — 40 Hard Solve
494 N-Queens — 40 Hard Solve
495 Product of Array Except Self — 30 Medium Solve
496 Binary Tree Maximum Path Sum — 40 Hard Solve
497 Container With Most Water — 30 Medium Solve
498 Meeting Rooms — 20 Easy Solve
499 Multiply Strings — 30 Medium Solve
500 Walls and Gates — 30 Medium Solve
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