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Hard

Problems with tag Hard

783 found, showing 600 to 630

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21

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Paths in Matrix Whose Sum Is Divisible by K ->

Hard, #2435, 2 solutions

Peaks in Array ->

Hard, #3187, 2 solutions

Perfect Rectangle ->

Hard, #391, 3 solutions

Permutation Sequence ->

Hard, #60, 4 solutions

Permutations II ->

Medium, #47, 4 solutions

Pizza With 3n Slices ->

Hard, #1388, 2 solutions

Poor Pigs ->

Hard, #458, 2 solutions

Popularity Percentage ->

Hard, #2720, 1 solutions

Post Office Problem ->

Hard, #435, 1 solutions

Power of Heroes ->

Hard, #2681, 2 solutions

Prefix and Suffix Search ->

Hard, #745, 3 solutions

Patching Array ->

Hard, #330, 3 solutions

Preimage Size of Factorial Zeroes Function ->

Hard, #793, 2 solutions

Probability of a Two Boxes Having The Same Number of Distinct Balls ->

Hard, #1467, 2 solutions

Populating Next Right Pointers in Each Node II ->

Medium, #117, 4 solutions

Process Restricted Friend Requests ->

Hard, #2076, 2 solutions

Profitable Schemes ->

Hard, #879, 3 solutions

Put Marbles in Bags ->

Hard, #2551, 2 solutions

Random Pick with Blacklist ->

Hard, #710, 2 solutions

Range Module ->

Hard, #715, 2 solutions

->

Hard,

Range Sum Query 2D - Mutable ->

Hard, #308, 2 solutions

Rank Transform of a Matrix ->

Hard, #1632, 2 solutions

Reachable Nodes In Subdivided Graph ->

Hard, #882, 3 solutions

Reaching Points ->

Hard, #780, 3 solutions

->

Hard,

Race Car ->

Hard, #818, 3 solutions

Query Batching ->

Hard, #2756, 1 solutions

Rearrange String k Distance Apart ->

Hard, #358, 2 solutions

Read N Characters Given Read4 II - Call multiple times ->

Hard, #158, 3 solutions