Toolliyo Practice

Problems explorer

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

3300 problems in this topic

# Title Topics Acceptance Pts Difficulty
1301 Min Cost to Connect All Points — 30 Medium Solve
1302 Min Stack — 30 Medium Solve
1303 Minimum Window Substring — 40 Hard Solve
1304 Missing Number — 20 Easy Solve
1305 Network Delay Time — 30 Medium Solve
1306 Non-overlapping Intervals — 30 Medium Solve
1307 Palindrome Partitioning — 30 Medium Solve
1308 Palindromic Substrings — 30 Medium Solve
1309 Partition Equal Subset Sum — 30 Medium Solve
1310 Permutation in String — 30 Medium Solve
1311 Permutations — 30 Medium Solve
1312 Redundant Connection — 30 Medium Solve
1313 Regular Expression Matching — 40 Hard Solve
1314 Reorder List — 30 Medium Solve
1315 Reverse Linked List — 20 Easy Solve
1316 Rotting Oranges — 30 Medium Solve
1317 Rotting Oranges — 30 Medium Solve
1318 Same Tree — 20 Easy Solve
1319 Serialize and Deserialize Binary Tree — 40 Hard Solve
1320 Set Matrix Zeroes — 30 Medium Solve
1321 Sliding Window Maximum — 40 Hard Solve
1322 Sliding Window Maximum — 40 Hard Solve
1323 Spiral Matrix — 30 Medium Solve
1324 Subsets — 30 Medium Solve
1325 Subsets II — 30 Medium Solve
1326 Subtree of Another Tree — 20 Easy Solve
1327 Subtree of Another Tree — 20 Easy Solve
1328 Sum of Two Integers — 30 Medium Solve
1329 Swim in Rising Water — 40 Hard Solve
1330 Task Scheduler — 30 Medium Solve
1331 Time Based Key-Value Store — 30 Medium Solve
1332 Top K Frequent Elements — 30 Medium Solve
1333 Two Sum — 20 Easy Solve
1334 Two Sum II - Input Array Is Sorted — 30 Medium Solve
1335 Unique Paths — 30 Medium Solve
1336 Valid Palindrome — 20 Easy Solve
1337 Walls and Gates — 30 Medium Solve
1338 Walls and Gates — 30 Medium Solve
1339 Word Search — 30 Medium Solve
1340 Word Search II — 40 Hard Solve
1341 3Sum — 30 Medium Solve
1342 Add Two Numbers — 30 Medium Solve
1343 Balanced Binary Tree — 20 Easy Solve
1344 Burst Balloons — 40 Hard Solve
1345 Burst Balloons — 40 Hard Solve
1346 Car Fleet — 30 Medium Solve
1347 Clone Graph — 30 Medium Solve
1348 Coin Change — 30 Medium Solve
1349 Coin Change 2 — 30 Medium Solve
1350 Combination Sum — 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