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
1401 Distinct Subsequences — 40 Hard Solve
1402 Find the Duplicate Number — 30 Medium Solve
1403 Gas Station — 30 Medium Solve
1404 Generate Parentheses — 30 Medium Solve
1405 Graph Valid Tree — 30 Medium Solve
1406 Happy Number — 20 Easy Solve
1407 Jump Game — 30 Medium Solve
1408 Jump Game II — 30 Medium Solve
1409 Kth Largest Element in a Stream — 20 Easy Solve
1410 Kth Largest Element in an Array — 30 Medium Solve
1411 Kth Smallest Element in a BST — 30 Medium Solve
1412 Largest Rectangle in Histogram — 40 Hard Solve
1413 Largest Rectangle in Histogram — 40 Hard Solve
1414 Last Stone Weight — 20 Easy Solve
1415 Last Stone Weight — 20 Easy Solve
1416 Linked List Cycle — 20 Easy Solve
1417 Longest Increasing Path in a Matrix — 40 Hard Solve
1418 Longest Increasing Subsequence — 30 Medium Solve
1419 Longest Palindromic Substring — 30 Medium Solve
1420 Longest Repeating Character Replacement — 30 Medium Solve
1421 Max Area of Island — 30 Medium Solve
1422 Maximum Depth of Binary Tree — 20 Easy Solve
1423 Median of Two Sorted Arrays — 40 Hard Solve
1424 Meeting Rooms — 20 Easy Solve
1425 Merge Triplets to Form Target Triplet — 30 Medium Solve
1426 Merge Triplets to Form Target Triplet — 30 Medium Solve
1427 Merge Two Sorted Lists — 20 Easy Solve
1428 Merge k Sorted Lists — 40 Hard Solve
1429 Min Cost Climbing Stairs — 20 Easy Solve
1430 Min Cost Climbing Stairs — 20 Easy Solve
1431 Minimum Interval to Include Each Query — 40 Hard Solve
1432 Minimum Window Substring — 40 Hard Solve
1433 N-Queens — 40 Hard Solve
1434 Non-overlapping Intervals — 30 Medium Solve
1435 Number of 1 Bits — 20 Easy Solve
1436 Number of Connected Components in an Undirected Graph — 30 Medium Solve
1437 Palindrome Partitioning — 30 Medium Solve
1438 Partition Equal Subset Sum — 30 Medium Solve
1439 Partition Labels — 30 Medium Solve
1440 Regular Expression Matching — 40 Hard Solve
1441 Reorder List — 30 Medium Solve
1442 Rotting Oranges — 30 Medium Solve
1443 Search in Rotated Sorted Array — 30 Medium Solve
1444 Subsets II — 30 Medium Solve
1445 Subtree of Another Tree — 20 Easy Solve
1446 Task Scheduler — 30 Medium Solve
1447 Time Based Key-Value Store — 30 Medium Solve
1448 Valid Anagram — 20 Easy Solve
1449 Valid Palindrome — 20 Easy Solve
1450 Valid Palindrome — 20 Easy Solve
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