Toolliyo Practice

Problems explorer

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

8773 problems

# Title Topics Acceptance Pts Difficulty
1451 Min Cost Climbing Stairs — 20 Easy Solve
1452 Min Stack — 30 Medium Solve
1453 Minimum Interval to Include Each Query — 40 Hard Solve
1454 Minimum Window Substring — 40 Hard Solve
1455 N-Queens — 40 Hard Solve
1456 Non-overlapping Intervals — 30 Medium Solve
1457 Number of 1 Bits — 20 Easy Solve
1458 Number of Connected Components in an Undirected Graph — 30 Medium Solve
1459 Palindrome Partitioning — 30 Medium Solve
1460 Partition Equal Subset Sum — 30 Medium Solve
1461 Partition Labels — 30 Medium Solve
1462 Regular Expression Matching — 40 Hard Solve
1463 Reorder List — 30 Medium Solve
1464 Rotting Oranges — 30 Medium Solve
1465 Search in Rotated Sorted Array — 30 Medium Solve
1466 Subsets II — 30 Medium Solve
1467 Subtree of Another Tree — 20 Easy Solve
1468 Task Scheduler — 30 Medium Solve
1469 Time Based Key-Value Store — 30 Medium Solve
1470 Valid Anagram — 20 Easy Solve
1471 Valid Palindrome — 20 Easy Solve
1472 Valid Palindrome — 20 Easy Solve
1473 Validate Binary Search Tree — 30 Medium Solve
1474 Word Break — 30 Medium Solve
1475 Add Two Numbers — 30 Medium Solve
1476 Alien Dictionary — 40 Hard Solve
1477 Balanced Binary Tree — 20 Easy Solve
1478 Binary Tree Right Side View — 30 Medium Solve
1479 Burst Balloons — 40 Hard Solve
1480 Car Fleet — 30 Medium Solve
1481 Cheapest Flights Within K Stops — 30 Medium Solve
1482 Clone Graph — 30 Medium Solve
1483 Coin Change — 30 Medium Solve
1484 Coin Change — 30 Medium Solve
1485 Combination Sum — 30 Medium Solve
1486 Combination Sum — 30 Medium Solve
1487 Combination Sum II — 30 Medium Solve
1488 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
1489 Copy List with Random Pointer — 30 Medium Solve
1490 Counting Bits — 20 Easy Solve
1491 Course Schedule II — 30 Medium Solve
1492 Diameter of Binary Tree — 20 Easy Solve
1493 Encode and Decode Strings — 30 Medium Solve
1494 Evaluate Reverse Polish Notation — 30 Medium Solve
1495 Find Minimum in Rotated Sorted Array — 30 Medium Solve
1496 Gas Station — 30 Medium Solve
1497 Generate Parentheses — 30 Medium Solve
1498 Happy Number — 20 Easy Solve
1499 Insert Interval — 30 Medium Solve
1500 Interleaving String — 30 Medium Solve
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