Toolliyo Practice

Problems explorer

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

392 problems in this topic

# Title Topics Acceptance Pts Difficulty
251 Max Area of Island — 30 Medium Solve
252 Max Area of Island — 30 Medium Solve
253 Number of Islands — 30 Medium Solve
254 Redundant Connection — 30 Medium Solve
255 Course Schedule — 30 Medium Solve
256 Redundant Connection — 30 Medium Solve
257 Swim in Rising Water — 40 Hard Solve
258 Min Cost to Connect All Points — 30 Medium Solve
259 Swim in Rising Water — 40 Hard Solve
260 Walls and Gates — 30 Medium Solve
261 Reconstruct Itinerary — 40 Hard Solve
262 Walls and Gates — 30 Medium Solve
263 Max Area of Island — 30 Medium Solve
264 Pacific Atlantic Water Flow — 30 Medium Solve
265 Redundant Connection — 30 Medium Solve
266 Number of Connected Components in an Undirected Graph — 30 Medium Solve
267 Swim in Rising Water — 40 Hard Solve
268 Alien Dictionary — 40 Hard Solve
269 Number of Islands — 30 Medium Solve
270 Clone Graph — 30 Medium Solve
271 Max Area of Island — 30 Medium Solve
272 Pacific Atlantic Water Flow — 30 Medium Solve
273 Surrounded Regions — 30 Medium Solve
274 Rotting Oranges — 30 Medium Solve
275 Walls and Gates — 30 Medium Solve
276 Course Schedule — 30 Medium Solve
277 Course Schedule II — 30 Medium Solve
278 Redundant Connection — 30 Medium Solve
279 Number of Connected Components in an Undirected Graph — 30 Medium Solve
280 Graph Valid Tree — 30 Medium Solve
281 Word Ladder — 40 Hard Solve
282 Reconstruct Itinerary — 40 Hard Solve
283 Min Cost to Connect All Points — 30 Medium Solve
284 Network Delay Time — 30 Medium Solve
285 Swim in Rising Water — 40 Hard Solve
286 Alien Dictionary — 40 Hard Solve
287 Cheapest Flights Within K Stops — 30 Medium Solve
288 Sum of array elements — 20 Easy Solve
289 Find maximum in array — 20 Easy Solve
290 Reverse an array in-place — 30 Medium Solve
291 Count occurrences of element — 20 Easy Solve
292 Second largest element — 30 Medium Solve
293 BFS shortest path in grid #1 — 30 Medium Solve
294 BFS shortest path in grid #2 — 30 Medium Solve
295 BFS shortest path in grid #3 — 30 Medium Solve
296 BFS shortest path in grid #4 — 30 Medium Solve
297 BFS shortest path in grid #5 — 30 Medium Solve
298 BFS shortest path in grid #6 — 30 Medium Solve
299 BFS shortest path in grid #7 — 30 Medium Solve
300 BFS shortest path in grid #8 — 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