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
1 Burst Balloons — 40 Hard Solve
2 Course Schedule II — 30 Medium Solve
3 House Robber II — 30 Medium Solve
4 Implement Trie (Prefix Tree) — 30 Medium Solve
5 Koko Eating Bananas — 30 Medium Solve
6 Longest Palindromic Substring — 30 Medium Solve
7 Lowest Common Ancestor of a Binary Search Tree — 30 Medium Solve
8 Max Area of Island — 30 Medium Solve
9 Maximum Depth of Binary Tree — 20 Easy Solve
10 Merge k Sorted Lists — 40 Hard Solve
11 Partition Labels — 30 Medium Solve
12 Regular Expression Matching — 40 Hard Solve
13 Rotate Image — 30 Medium Solve
14 Set Matrix Zeroes — 30 Medium Solve
15 Sliding Window Maximum — 40 Hard Solve
16 Top K Frequent Elements — 30 Medium Solve
17 3Sum — 30 Medium Solve
18 Binary Tree Maximum Path Sum — 40 Hard Solve
19 Binary Tree Right Side View — 30 Medium Solve
20 Detect Squares — 30 Medium Solve
21 Largest Rectangle in Histogram — 40 Hard Solve
22 Longest Increasing Subsequence — 30 Medium Solve
23 Merge Triplets to Form Target Triplet — 30 Medium Solve
24 Minimum Interval to Include Each Query — 40 Hard Solve
25 Network Delay Time — 30 Medium Solve
26 Number of 1 Bits — 20 Easy Solve
27 Partition Equal Subset Sum — 30 Medium Solve
28 Partition Labels — 30 Medium Solve
29 Redundant Connection — 30 Medium Solve
30 Reorder List — 30 Medium Solve
31 Subtree of Another Tree — 20 Easy Solve
32 Task Scheduler — 30 Medium Solve
33 Combination Sum II — 30 Medium Solve
34 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
35 House Robber II — 30 Medium Solve
36 Implement Trie (Prefix Tree) — 30 Medium Solve
37 Interleaving String — 30 Medium Solve
38 K Closest Points to Origin — 30 Medium Solve
39 Longest Increasing Path in a Matrix — 40 Hard Solve
40 Median of Two Sorted Arrays — 40 Hard Solve
41 Meeting Rooms II — 30 Medium Solve
42 Merge k Sorted Lists — 40 Hard Solve
43 Minimum Interval to Include Each Query — 40 Hard Solve
44 Minimum Window Substring — 40 Hard Solve
45 Multiply Strings — 30 Medium Solve
46 Reverse Integer — 30 Medium Solve
47 Swim in Rising Water — 40 Hard Solve
48 Valid Anagram — 20 Easy Solve
49 Car Fleet — 30 Medium Solve
50 Jump Game — 30 Medium Solve
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