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
301 Meeting Rooms II — 30 Medium Solve
302 Merge Intervals — 30 Medium Solve
303 Merge Intervals — 30 Medium Solve
304 Merge k Sorted Lists — 40 Hard Solve
305 Missing Number — 20 Easy Solve
306 Network Delay Time — 30 Medium Solve
307 Number of Islands — 30 Medium Solve
308 Partition Equal Subset Sum — 30 Medium Solve
309 Permutations — 30 Medium Solve
310 Plus One — 20 Easy Solve
311 Pow(x, n) — 30 Medium Solve
312 Product of Array Except Self — 30 Medium Solve
313 Redundant Connection — 30 Medium Solve
314 Regular Expression Matching — 40 Hard Solve
315 Same Tree — 20 Easy Solve
316 Search in Rotated Sorted Array — 30 Medium Solve
317 Single Number — 20 Easy Solve
318 Sliding Window Maximum — 40 Hard Solve
319 Subsets — 30 Medium Solve
320 Sum of Two Integers — 30 Medium Solve
321 Swim in Rising Water — 40 Hard Solve
322 Swim in Rising Water — 40 Hard Solve
323 Task Scheduler — 30 Medium Solve
324 Time Based Key-Value Store — 30 Medium Solve
325 Top K Frequent Elements — 30 Medium Solve
326 Trapping Rain Water — 40 Hard Solve
327 Valid Anagram — 20 Easy Solve
328 Validate Binary Search Tree — 30 Medium Solve
329 Word Break — 30 Medium Solve
330 Word Search II — 40 Hard Solve
331 3Sum — 30 Medium Solve
332 Add Two Numbers — 30 Medium Solve
333 Best Time to Buy and Sell Stock — 20 Easy Solve
334 Best Time to Buy and Sell Stock — 20 Easy Solve
335 Burst Balloons — 40 Hard Solve
336 Coin Change — 30 Medium Solve
337 Combination Sum — 30 Medium Solve
338 Combination Sum II — 30 Medium Solve
339 Container With Most Water — 30 Medium Solve
340 Contains Duplicate — 20 Easy Solve
341 Copy List with Random Pointer — 30 Medium Solve
342 Count Good Nodes in Binary Tree — 30 Medium Solve
343 Counting Bits — 20 Easy Solve
344 Course Schedule — 30 Medium Solve
345 Decode Ways — 30 Medium Solve
346 Design Add and Search Words Data Structure — 30 Medium Solve
347 Diameter of Binary Tree — 20 Easy Solve
348 Diameter of Binary Tree — 20 Easy Solve
349 Edit Distance — 40 Hard Solve
350 Evaluate Reverse Polish Notation — 30 Medium Solve
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