Toolliyo Practice

Problems explorer

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8773 problems

# Title Topics Acceptance Pts Difficulty
1551 Combination Sum — 30 Medium Solve
1552 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
1553 Copy List with Random Pointer — 30 Medium Solve
1554 Count Good Nodes in Binary Tree — 30 Medium Solve
1555 Counting Bits — 20 Easy Solve
1556 Course Schedule II — 30 Medium Solve
1557 Decode Ways — 30 Medium Solve
1558 Diameter of Binary Tree — 20 Easy Solve
1559 Find Median from Data Stream — 40 Hard Solve
1560 Find Minimum in Rotated Sorted Array — 30 Medium Solve
1561 Generate Parentheses — 30 Medium Solve
1562 Generate Parentheses — 30 Medium Solve
1563 Generate Parentheses — 30 Medium Solve
1564 Graph Valid Tree — 30 Medium Solve
1565 Happy Number — 20 Easy Solve
1566 House Robber — 30 Medium Solve
1567 House Robber II — 30 Medium Solve
1568 Implement Trie (Prefix Tree) — 30 Medium Solve
1569 Invert Binary Tree — 20 Easy Solve
1570 Jump Game — 30 Medium Solve
1571 Jump Game II — 30 Medium Solve
1572 Largest Rectangle in Histogram — 40 Hard Solve
1573 Last Stone Weight — 20 Easy Solve
1574 Letter Combinations of a Phone Number — 30 Medium Solve
1575 Linked List Cycle — 20 Easy Solve
1576 Linked List Cycle — 20 Easy Solve
1577 Longest Consecutive Sequence — 30 Medium Solve
1578 Longest Increasing Path in a Matrix — 40 Hard Solve
1579 Longest Substring Without Repeating Characters — 30 Medium Solve
1580 Max Area of Island — 30 Medium Solve
1581 Maximum Depth of Binary Tree — 20 Easy Solve
1582 Maximum Subarray — 30 Medium Solve
1583 Merge Intervals — 30 Medium Solve
1584 Merge Triplets to Form Target Triplet — 30 Medium Solve
1585 Minimum Interval to Include Each Query — 40 Hard Solve
1586 Multiply Strings — 30 Medium Solve
1587 N-Queens — 40 Hard Solve
1588 N-Queens — 40 Hard Solve
1589 Network Delay Time — 30 Medium Solve
1590 Non-overlapping Intervals — 30 Medium Solve
1591 Palindromic Substrings — 30 Medium Solve
1592 Pow(x, n) — 30 Medium Solve
1593 Pow(x, n) — 30 Medium Solve
1594 Reconstruct Itinerary — 40 Hard Solve
1595 Remove Nth Node From End of List — 30 Medium Solve
1596 Reverse Bits — 20 Easy Solve
1597 Same Tree — 20 Easy Solve
1598 Set Matrix Zeroes — 30 Medium Solve
1599 Spiral Matrix — 30 Medium Solve
1600 Subsets — 30 Medium Solve
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