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Hard

Problems with tag Hard

783 found, showing 270 to 300

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Height of Binary Tree After Subtree Removal Queries ->

Hard, #2458, 2 solutions

Human Traffic of Stadium ->

Hard, #601, 1 solutions

Hopper Company Queries III ->

Hard, #1651, 1 solutions

Immutability Helper ->

Hard, #2691, 1 solutions

->

Hard,

Hopper Company Queries II ->

Hard, #1645, 1 solutions

Insert Interval ->

Medium, #57, 5 solutions

Hopper Company Queries I ->

Hard, #1635, 1 solutions

Insert Delete GetRandom O(1) - Duplicates allowed ->

Hard, #381, 4 solutions

Interval Minimum Number ->

Hard, #205, 1 solutions

Insert Delete GetRandom O(1) ->

Hard, #380, 4 solutions

Integer to English Words ->

Hard, #273, 3 solutions

IPO ->

Hard, #502, 3 solutions

Interleaving String ->

Medium, #97, 4 solutions

Interval Sum II ->

Hard, #207, 1 solutions

Jump Game V ->

Hard, #1340, 3 solutions

Interval Sum ->

Hard, #206, 1 solutions

Jump Game IV ->

Hard, #1345, 2 solutions

Jump Game II ->

Medium, #45, 4 solutions

K Empty Slots ->

Hard, #683, 3 solutions

K-th Smallest in Lexicographical Order ->

Hard, #440, 2 solutions

K-th Smallest Prime Fraction ->

Medium, #786, 2 solutions

K Inverse Pairs Array ->

Hard, #629, 2 solutions

Kth Ancestor of a Tree Node ->

Hard, #1483, 2 solutions

K-Similar Strings ->

Hard, #854, 2 solutions

K Sum ->

Hard, #89, 1 solutions

Koko Eating Bananas ->

Medium, #875, 3 solutions

Kth Smallest Number in Multiplication Table ->

Hard, #668, 2 solutions

Kth Smallest Instructions ->

Hard, #1643, 2 solutions

Kth Smallest Amount With Single Denomination Combination ->

Hard, #3116, 2 solutions