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Hard

Problems with tag Hard

783 found, showing 150 to 180

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6

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Design Excel Sum Formula ->

Hard, #631, 3 solutions

Design Graph With Shortest Path Calculator ->

Hard, #2642, 2 solutions

Design In-Memory File System ->

Hard, #588, 2 solutions

Design Skiplist ->

Hard, #1206, 2 solutions

Design Search Autocomplete System ->

Hard, #642, 3 solutions

Detect Pattern of Length M Repeated K or More Times ->

Easy, #1566, 2 solutions

Design Video Sharing Platform ->

Hard, #2254, 2 solutions

Detect Cycles in 2D Grid ->

Medium, #1559, 2 solutions

Dices Sum ->

Hard, #20, 1 solutions

Digit Count in Range ->

Hard, #1067, 2 solutions

Dice Roll Simulation ->

Hard, #1223, 2 solutions

Distance to a Cycle in Undirected Graph ->

Hard, #2204, 2 solutions

Distinct Echo Substrings ->

Hard, #1316, 2 solutions

Design Movie Rental System ->

Hard, #1912, 2 solutions

Difference Between Maximum and Minimum Price Sum ->

Hard, #2538, 2 solutions

Distribute Candies Among Children III ->

Hard, #2927, 2 solutions

Distribute Elements Into Two Arrays II ->

Hard, #3072, 2 solutions

Distribute Repeating Integers ->

Hard, #1655, 2 solutions

Distinct Subsequences II ->

Hard, #940, 3 solutions

Dinner Plate Stacks ->

Hard, #1172, 2 solutions

Distinct Subsequences ->

Hard, #115, 4 solutions

Divide Nodes Into the Maximum Number of Groups ->

Hard, #2493, 2 solutions

Dungeon Game ->

Hard, #174, 3 solutions

Divide Array Into Increasing Sequences ->

Hard, #1121, 2 solutions

Divide an Array Into Subarrays With Minimum Cost II ->

Hard, #3013, 2 solutions

Dynamic Pivoting of a Table ->

Hard, #2252, 1 solutions

Divide Chocolate ->

Hard, #1231, 2 solutions

Dynamic Unpivoting of a Table ->

Hard, #2253, 1 solutions

Earliest Second to Mark Indices II ->

Hard, #3049, 2 solutions

Earliest Possible Day of Full Bloom ->

Hard, #2136, 2 solutions