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Problems with tag O(n)

1949 found, showing 1920 to 1949

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65

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Validate Stack Sequences ->

Medium, #946, 2 solutions

Verify Preorder Sequence in Binary Search Tree ->

Medium, #255, 2 solutions

Verify Preorder Serialization of a Binary Tree ->

Medium, #331, 3 solutions

Vertical Order Traversal of a Binary Tree ->

Hard, #987, 3 solutions

Viewers Turned Streamers ->

Hard, #2995, 1 solutions

Visit Array Positions to Maximize Score ->

Medium, #2786, 2 solutions

Vowel Spellchecker ->

Medium, #966, 2 solutions

Vowels of All Substrings ->

Medium, #2063, 2 solutions

Warehouse Manager ->

Easy, #1571, 1 solutions

Watering Plants II ->

Medium, #2105, 2 solutions

Watering Plants ->

Medium, #2079, 2 solutions

Ways to Express an Integer as Sum of Powers ->

Medium, #2787, 2 solutions

Ways to Make a Fair Array ->

Medium, #1664, 2 solutions

Ways to Split Array Into Good Subarrays ->

Medium, #2750, 2 solutions

Weather Type in Each Country ->

Easy, #1294, 1 solutions

Widest Pair of Indices With Equal Range Sum ->

Medium, #1983, 2 solutions

Widest Vertical Area Between Two Points Containing No Points ->

Easy, #1637, 2 solutions

Wiggle Sort ->

Medium, #280, 3 solutions

Wiggle Subsequence ->

Medium, #376, 3 solutions

Winner of the Linked List Game ->

Easy, #3062, 2 solutions

Winning Candidate ->

Medium, #574, 1 solutions

Word Break ->

Medium, #139, 5 solutions

Word Frequency ->

Medium, #192, 2 solutions

Word Pattern ->

Easy, #290, 3 solutions

X of a Kind in a Deck of Cards ->

Easy, #914, 3 solutions

XOR Queries of a Subarray ->

Medium, #1310, 2 solutions

ZigZag Conversion ->

Medium, #6, 4 solutions

Zigzag Iterator ->

Medium, #281, 2 solutions

Ways to Split Array Into Three Subarrays ->

Medium, #1712, 3 solutions