Toolliyo Practice

Problems explorer

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3300 problems in this topic

# Title Topics Acceptance Pts Difficulty
1601 Subtree of Another Tree — 20 Easy Solve
1602 Sum of Two Integers — 30 Medium Solve
1603 Swim in Rising Water — 40 Hard Solve
1604 Time Based Key-Value Store — 30 Medium Solve
1605 Two Sum — 20 Easy Solve
1606 Valid Palindrome — 20 Easy Solve
1607 Validate Binary Search Tree — 30 Medium Solve
1608 Word Search II — 40 Hard Solve
1609 Add Two Numbers — 30 Medium Solve
1610 Binary Tree Level Order Traversal — 30 Medium Solve
1611 Binary Tree Right Side View — 30 Medium Solve
1612 Burst Balloons — 40 Hard Solve
1613 Burst Balloons — 40 Hard Solve
1614 Cheapest Flights Within K Stops — 30 Medium Solve
1615 Coin Change — 30 Medium Solve
1616 Combination Sum — 30 Medium Solve
1617 Construct Binary Tree from Preorder and Inorder Traversal — 30 Medium Solve
1618 Count Good Nodes in Binary Tree — 30 Medium Solve
1619 Counting Bits — 20 Easy Solve
1620 Course Schedule II — 30 Medium Solve
1621 Daily Temperatures — 30 Medium Solve
1622 Design Add and Search Words Data Structure — 30 Medium Solve
1623 Diameter of Binary Tree — 20 Easy Solve
1624 Diameter of Binary Tree — 20 Easy Solve
1625 Evaluate Reverse Polish Notation — 30 Medium Solve
1626 Find Median from Data Stream — 40 Hard Solve
1627 Find Minimum in Rotated Sorted Array — 30 Medium Solve
1628 Find Minimum in Rotated Sorted Array — 30 Medium Solve
1629 Group Anagrams — 30 Medium Solve
1630 Happy Number — 20 Easy Solve
1631 House Robber II — 30 Medium Solve
1632 Implement Trie (Prefix Tree) — 30 Medium Solve
1633 Insert Interval — 30 Medium Solve
1634 Invert Binary Tree — 20 Easy Solve
1635 Jump Game II — 30 Medium Solve
1636 Kth Smallest Element in a BST — 30 Medium Solve
1637 Last Stone Weight — 20 Easy Solve
1638 Letter Combinations of a Phone Number — 30 Medium Solve
1639 Longest Common Subsequence — 30 Medium Solve
1640 Longest Increasing Subsequence — 30 Medium Solve
1641 Longest Palindromic Substring — 30 Medium Solve
1642 Longest Repeating Character Replacement — 30 Medium Solve
1643 Longest Substring Without Repeating Characters — 30 Medium Solve
1644 Median of Two Sorted Arrays — 40 Hard Solve
1645 Meeting Rooms II — 30 Medium Solve
1646 Merge Intervals — 30 Medium Solve
1647 Min Cost Climbing Stairs — 20 Easy Solve
1648 Min Stack — 30 Medium Solve
1649 Missing Number — 20 Easy Solve
1650 Missing Number — 20 Easy Solve
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