Toolliyo Practice

Problems explorer

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

8773 problems

# Title Topics Acceptance Pts Difficulty
451 Non-overlapping Intervals — 30 Medium Solve
452 Number of 1 Bits — 20 Easy Solve
453 Number of 1 Bits — 20 Easy Solve
454 Palindrome Partitioning — 30 Medium Solve
455 Partition Equal Subset Sum — 30 Medium Solve
456 Partition Equal Subset Sum — 30 Medium Solve
457 Permutation in String — 30 Medium Solve
458 Redundant Connection — 30 Medium Solve
459 Rotate Image — 30 Medium Solve
460 Rotting Oranges — 30 Medium Solve
461 Single Number — 20 Easy Solve
462 Single Number — 20 Easy Solve
463 Sliding Window Maximum — 40 Hard Solve
464 Swim in Rising Water — 40 Hard Solve
465 Top K Frequent Elements — 30 Medium Solve
466 Two Sum — 20 Easy Solve
467 Valid Sudoku — 30 Medium Solve
468 Walls and Gates — 30 Medium Solve
469 Word Ladder — 40 Hard Solve
470 3Sum — 30 Medium Solve
471 Best Time to Buy and Sell Stock — 20 Easy Solve
472 Binary Tree Level Order Traversal — 30 Medium Solve
473 Binary Tree Right Side View — 30 Medium Solve
474 Burst Balloons — 40 Hard Solve
475 Car Fleet — 30 Medium Solve
476 Climbing Stairs — 20 Easy Solve
477 Contains Duplicate — 20 Easy Solve
478 Contains Duplicate — 20 Easy Solve
479 Course Schedule II — 30 Medium Solve
480 Daily Temperatures — 30 Medium Solve
481 Design Add and Search Words Data Structure — 30 Medium Solve
482 Design Add and Search Words Data Structure — 30 Medium Solve
483 Design Twitter — 30 Medium Solve
484 Detect Squares — 30 Medium Solve
485 Diameter of Binary Tree — 20 Easy Solve
486 Edit Distance — 40 Hard Solve
487 Encode and Decode Strings — 30 Medium Solve
488 Evaluate Reverse Polish Notation — 30 Medium Solve
489 Hand of Straights — 30 Medium Solve
490 Happy Number — 20 Easy Solve
491 House Robber — 30 Medium Solve
492 Interleaving String — 30 Medium Solve
493 Koko Eating Bananas — 30 Medium Solve
494 Kth Largest Element in a Stream — 20 Easy Solve
495 Largest Rectangle in Histogram — 40 Hard Solve
496 Last Stone Weight — 20 Easy Solve
497 Linked List Cycle — 20 Easy Solve
498 Longest Increasing Path in a Matrix — 40 Hard Solve
499 Longest Increasing Path in a Matrix — 40 Hard Solve
500 Longest Increasing Subsequence — 30 Medium Solve
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