Toolliyo Practice

Problems explorer

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

30 problems in this topic

# Title Topics Acceptance Pts Difficulty
1 Burst Balloons 40 Hard Solve
2 Merge Triplets to Form Target Triplet 30 Medium Solve
3 Meeting Rooms II 30 Medium Solve
4 Pow(x, n) 30 Medium Solve
5 Missing Number 20 Easy Solve
6 Top K Frequent Elements 30 Medium Solve
7 3Sum 30 Medium Solve
8 Minimum Window Substring 40 Hard Solve
9 Car Fleet 30 Medium Solve
10 Time Based Key-Value Store 30 Medium Solve
11 Add Two Numbers 30 Medium Solve
12 Maximum Depth of Binary Tree 20 Easy Solve
13 Binary Tree Right Side View 30 Medium Solve
14 Implement Trie (Prefix Tree) 30 Medium Solve
15 Task Scheduler 30 Medium Solve
16 Combination Sum II 30 Medium Solve
17 Max Area of Island 30 Medium Solve
18 Redundant Connection 30 Medium Solve
19 Swim in Rising Water 40 Hard Solve
20 Longest Palindromic Substring 30 Medium Solve
21 Partition Equal Subset Sum 30 Medium Solve
22 Longest Increasing Path in a Matrix 40 Hard Solve
23 Jump Game II 30 Medium Solve
24 Merge Intervals 30 Medium Solve
25 Set Matrix Zeroes 30 Medium Solve
26 Number of 1 Bits 20 Easy Solve
27 Valid Anagram 20 Easy Solve
28 Longest Consecutive Sequence 30 Medium Solve
29 Longest Substring Without Repeating Characters 30 Medium Solve
30 Evaluate Reverse Polish Notation 30 Medium Solve
Toolliyo Assistant
Ask about tutorials, ebooks, training, pricing, mentor services, and support. I use public site content only—not admin or internal tools.

care@toolliyo.com

Need callback? Share your details