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O K

Problems with tag O(k)

73 found, showing 1 to 30

1

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Armstrong Number ->

Easy, #1134, 2 solutions

Array of Doubled Pairs ->

Medium, #954, 2 solutions

Best Time to Buy and Sell Stock IV ->

Hard, #188, 4 solutions

Check If Array Pairs Are Divisible by k ->

Medium, #1497, 2 solutions

Coin Change ->

Medium, #322, 4 solutions

Combination Sum II ->

Medium, #40, 4 solutions

Combination Sum III ->

Medium, #216, 3 solutions

Combination Sum ->

Medium, #39, 4 solutions

Combinations ->

Medium, #77, 5 solutions

Constrained Subset Sum ->

Hard, #1425, 2 solutions

Contains Duplicate III ->

Hard, #220, 4 solutions

Continuous Subarray Sum ->

Medium, #523, 4 solutions

Count Houses in a Circular Street II ->

Hard, #2753, 2 solutions

Count Houses in a Circular Street ->

Easy, #2728, 2 solutions

Count Number of Nice Subarrays ->

Medium, #1248, 2 solutions

Count Ways to Distribute Candies ->

Hard, #1692, 2 solutions

Course Schedule III ->

Hard, #630, 3 solutions

Design Circular Queue ->

Medium, #622, 2 solutions

Design Hit Counter ->

Medium, #362, 2 solutions

Distant Barcodes ->

Medium, #1054, 3 solutions

Distinct Numbers in Each Subarray ->

Medium, #1852, 2 solutions

Find K-Length Substrings With No Repeated Characters ->

Medium, #1100, 2 solutions

Find Original Array From Doubled Array ->

Medium, #2007, 2 solutions

Find Servers That Handled Most Number of Requests ->

Hard, #1606, 2 solutions

Find the Kth Smallest Sum of a Matrix With Sorted Rows ->

Hard, #1439, 2 solutions

Find the Most Competitive Subsequence ->

Medium, #1673, 2 solutions

Find the Sum of the Power of All Subsequences ->

Hard, #3082, 2 solutions

Furthest Building You Can Reach ->

Medium, #1642, 2 solutions

Happy Number ->

Easy, #202, 5 solutions

Implement strStr() ->

Easy, #28, 5 solutions