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
151 Sum of Two Integers — 30 Medium Solve
152 Unique Paths — 30 Medium Solve
153 Validate Binary Search Tree — 30 Medium Solve
154 Distinct Subsequences — 40 Hard Solve
155 Jump Game — 30 Medium Solve
156 Minimum Interval to Include Each Query — 40 Hard Solve
157 Pow(x, n) — 30 Medium Solve
158 Product of Array Except Self — 30 Medium Solve
159 Reorder List — 30 Medium Solve
160 Rotting Oranges — 30 Medium Solve
161 Search a 2D Matrix — 30 Medium Solve
162 Word Search II — 40 Hard Solve
163 Container With Most Water — 30 Medium Solve
164 Find Median from Data Stream — 40 Hard Solve
165 Gas Station — 30 Medium Solve
166 Insert Interval — 30 Medium Solve
167 Merge Two Sorted Lists — 20 Easy Solve
168 Merge k Sorted Lists — 40 Hard Solve
169 Missing Number — 20 Easy Solve
170 Multiply Strings — 30 Medium Solve
171 Word Ladder — 40 Hard Solve
172 Climbing Stairs — 20 Easy Solve
173 LRU Cache — 30 Medium Solve
174 Non-overlapping Intervals — 30 Medium Solve
175 Palindrome Partitioning — 30 Medium Solve
176 Sliding Window Maximum — 40 Hard Solve
177 Spiral Matrix — 30 Medium Solve
178 Subtree of Another Tree — 20 Easy Solve
179 Sum of Two Integers — 30 Medium Solve
180 Top K Frequent Elements — 30 Medium Solve
181 3Sum — 30 Medium Solve
182 Coin Change — 30 Medium Solve
183 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
184 Happy Number — 20 Easy Solve
185 Largest Rectangle in Histogram — 40 Hard Solve
186 Product of Array Except Self — 30 Medium Solve
187 Same Tree — 20 Easy Solve
188 Single Number — 20 Easy Solve
189 Surrounded Regions — 30 Medium Solve
190 Best Time to Buy and Sell Stock with Cooldown — 30 Medium Solve
191 Container With Most Water — 30 Medium Solve
192 Contains Duplicate — 20 Easy Solve
193 Counting Bits — 20 Easy Solve
194 Graph Valid Tree — 30 Medium Solve
195 Kth Smallest Element in a BST — 30 Medium Solve
196 Last Stone Weight — 20 Easy Solve
197 Median of Two Sorted Arrays — 40 Hard Solve
198 Minimum Window Substring — 40 Hard Solve
199 Burst Balloons — 40 Hard Solve
200 Car Fleet — 30 Medium Solve
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