Toolliyo Practice

Problems explorer

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

290 problems in this topic

# Title Topics Acceptance Pts Difficulty
101 Clone Graph — 30 Medium Solve
102 Coin Change 2 — 30 Medium Solve
103 LRU Cache — 30 Medium Solve
104 Number of 1 Bits — 20 Easy Solve
105 Reconstruct Itinerary — 40 Hard Solve
106 Spiral Matrix — 30 Medium Solve
107 Valid Parentheses — 20 Easy Solve
108 Word Search — 30 Medium Solve
109 Binary Search — 20 Easy Solve
110 Coin Change — 30 Medium Solve
111 Course Schedule II — 30 Medium Solve
112 Min Cost Climbing Stairs — 20 Easy Solve
113 Pacific Atlantic Water Flow — 30 Medium Solve
114 Regular Expression Matching — 40 Hard Solve
115 Same Tree — 20 Easy Solve
116 Single Number — 20 Easy Solve
117 Valid Anagram — 20 Easy Solve
118 Best Time to Buy and Sell Stock with Cooldown — 30 Medium Solve
119 Contains Duplicate — 20 Easy Solve
120 Kth Smallest Element in a BST — 30 Medium Solve
121 Longest Consecutive Sequence — 30 Medium Solve
122 Maximum Product Subarray — 30 Medium Solve
123 Network Delay Time — 30 Medium Solve
124 Number of Connected Components in an Undirected Graph — 30 Medium Solve
125 Partition Labels — 30 Medium Solve
126 Reverse Linked List — 20 Easy Solve
127 Alien Dictionary — 40 Hard Solve
128 Burst Balloons — 40 Hard Solve
129 Coin Change 2 — 30 Medium Solve
130 Encode and Decode Strings — 30 Medium Solve
131 Find the Duplicate Number — 30 Medium Solve
132 House Robber II — 30 Medium Solve
133 Kth Largest Element in a Stream — 20 Easy Solve
134 Longest Substring Without Repeating Characters — 30 Medium Solve
135 Minimum Interval to Include Each Query — 40 Hard Solve
136 Balanced Binary Tree — 20 Easy Solve
137 Best Time to Buy and Sell Stock — 20 Easy Solve
138 Evaluate Reverse Polish Notation — 30 Medium Solve
139 Longest Increasing Subsequence — 30 Medium Solve
140 Merge Triplets to Form Target Triplet — 30 Medium Solve
141 Multiply Strings — 30 Medium Solve
142 Palindromic Substrings — 30 Medium Solve
143 Regular Expression Matching — 40 Hard Solve
144 Subsets — 30 Medium Solve
145 Interleaving String — 30 Medium Solve
146 Koko Eating Bananas — 30 Medium Solve
147 Letter Combinations of a Phone Number — 30 Medium Solve
148 Meeting Rooms II — 30 Medium Solve
149 Min Stack — 30 Medium Solve
150 Partition Labels — 30 Medium Solve
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