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Medium

Problems with tag Medium

1858 found, showing 1800 to 1830

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61

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Unique Substrings With Equal Digit Frequency ->

Medium, #2168, 2 solutions

Unique Word Abbreviation ->

Medium, #288, 2 solutions

Unpopular Books ->

Medium, #1098, 1 solutions

Users With Two Purchases Within Seven Days ->

Medium, #2228, 1 solutions

UTF-8 Validation ->

Medium, #393, 3 solutions

Unique Substrings in Wraparound String ->

Medium, #467, 2 solutions

Update Bits ->

Medium, #179, 1 solutions

Valid Palindrome IV ->

Medium, #2330, 2 solutions

Valid Parenthesis String ->

Medium, #678, 2 solutions

Using a Robot to Print the Lexicographically Smallest String ->

Medium, #2434, 2 solutions

Valid Perfect Square ->

Easy, #367, 3 solutions

Valid Square ->

Medium, #593, 2 solutions

Valid Sudoku ->

Medium, #36, 4 solutions

Valid Tic-Tac-Toe State ->

Medium, #794, 3 solutions

Valid Triangle Number ->

Medium, #611, 2 solutions

Validate IP Address ->

Medium, #468, 3 solutions

Validate Stack Sequences ->

Medium, #946, 2 solutions

Verify Preorder Sequence in Binary Search Tree ->

Medium, #255, 2 solutions

Vertical Order Traversal of a Binary Tree ->

Hard, #987, 3 solutions

Video Stitching ->

Medium, #1024, 3 solutions

Validate Binary Tree Nodes ->

Medium, #1361, 2 solutions

Visit Array Positions to Maximize Score ->

Medium, #2786, 2 solutions

Validate Binary Search Tree ->

Medium, #98, 7 solutions

Vowel Spellchecker ->

Medium, #966, 2 solutions

Walking Robot Simulation II ->

Medium, #2069, 2 solutions

Verify Preorder Serialization of a Binary Tree ->

Medium, #331, 3 solutions

Walking Robot Simulation ->

Medium, #874, 2 solutions

Walls and Gates ->

Medium, #286, 3 solutions

Warehouse Manager ->

Easy, #1571, 1 solutions

Vowels of All Substrings ->

Medium, #2063, 2 solutions