Toolliyo Practice

Problems explorer

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2100 problems in this topic

# Title Topics Acceptance Pts Difficulty
1851 Binary Tree Maximum Path Sum — 40 Hard Solve
1852 Binary Tree Maximum Path Sum — 40 Hard Solve
1853 Car Fleet — 30 Medium Solve
1854 Car Fleet — 30 Medium Solve
1855 Cheapest Flights Within K Stops — 30 Medium Solve
1856 Clone Graph — 30 Medium Solve
1857 Coin Change — 30 Medium Solve
1858 Coin Change 2 — 30 Medium Solve
1859 Coin Change 2 — 30 Medium Solve
1860 Decode Ways — 30 Medium Solve
1861 Design Add and Search Words Data Structure — 30 Medium Solve
1862 Encode and Decode Strings — 30 Medium Solve
1863 Evaluate Reverse Polish Notation — 30 Medium Solve
1864 Find Minimum in Rotated Sorted Array — 30 Medium Solve
1865 Generate Parentheses — 30 Medium Solve
1866 Graph Valid Tree — 30 Medium Solve
1867 Hand of Straights — 30 Medium Solve
1868 Happy Number — 20 Easy Solve
1869 Implement Trie (Prefix Tree) — 30 Medium Solve
1870 Insert Interval — 30 Medium Solve
1871 Interleaving String — 30 Medium Solve
1872 Jump Game — 30 Medium Solve
1873 K Closest Points to Origin — 30 Medium Solve
1874 Largest Rectangle in Histogram — 40 Hard Solve
1875 Longest Consecutive Sequence — 30 Medium Solve
1876 Longest Increasing Path in a Matrix — 40 Hard Solve
1877 Longest Repeating Character Replacement — 30 Medium Solve
1878 Longest Substring Without Repeating Characters — 30 Medium Solve
1879 Max Area of Island — 30 Medium Solve
1880 Maximum Product Subarray — 30 Medium Solve
1881 Median of Two Sorted Arrays — 40 Hard Solve
1882 Meeting Rooms II — 30 Medium Solve
1883 Merge Intervals — 30 Medium Solve
1884 Merge k Sorted Lists — 40 Hard Solve
1885 Min Cost Climbing Stairs — 20 Easy Solve
1886 Min Stack — 30 Medium Solve
1887 Missing Number — 20 Easy Solve
1888 Missing Number — 20 Easy Solve
1889 Number of Connected Components in an Undirected Graph — 30 Medium Solve
1890 Pacific Atlantic Water Flow — 30 Medium Solve
1891 Partition Labels — 30 Medium Solve
1892 Permutations — 30 Medium Solve
1893 Plus One — 20 Easy Solve
1894 Reconstruct Itinerary — 40 Hard Solve
1895 Redundant Connection — 30 Medium Solve
1896 Remove Nth Node From End of List — 30 Medium Solve
1897 Reverse Nodes in k-Group — 40 Hard Solve
1898 Rotate Image — 30 Medium Solve
1899 Rotting Oranges — 30 Medium Solve
1900 Same Tree — 20 Easy Solve
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