John Kim – Medium

John Kim

322. Coin Change

Leetcode #: 322 Name: Coin Change Difficulty: Medium Url: https://leetcode.com/problems/coin-change/

4 min readOct 21, 2022

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322. Coin Change

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John Kim

Sliding Window: 239. Sliding Window Maximum

Leetcode #: 239 Name: Sliding Window Maximum Difficulty: Hard Url: https://leetcode.com/problems/sliding-window-maximum/

2 min readOct 19, 2022

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Sliding Window: 239. Sliding Window Maximum

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John Kim

1472. Design Browser History

Leetcode #: 1472 Name: Design Browser History Difficulty: Medium Url: https://leetcode.com/problems/design-browser-history/

4 min readOct 18, 2022

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1472. Design Browser History

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John Kim

797. All Paths From Source to Target

Leetcode #: 797 Name: All Paths From Source to Target Difficulty: Medium Url…

3 min readOct 15, 2022

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797. All Paths From Source to Target

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John Kim

430. Flatten a Multilevel Doubly Linked List

Leetcode #: 430 Name: Flatten a Multilevel Doubly Linked List Difficulty: Medium Url…

3 min readOct 13, 2022

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430. Flatten a Multilevel Doubly Linked List

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John Kim

394. Decode String

Leetcode #: 394 Name: Decode String Difficulty: Medium Url: https://leetcode.com/problems/decode-string/

3 min readOct 13, 2022

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394. Decode String

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John Kim

1209. Remove All Adjacent Duplicates in String II

Leetcode #: 1209 Name: Remove All Adjacent Duplicates in String II Difficulty: Medium Url…

2 min readOct 12, 2022

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1209. Remove All Adjacent Duplicates in String II

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John Kim

380. Insert Delete GetRandom O(1)

Leetcode #: 380 Name: Insert Delete GetRandom O(1) Difficulty: Medium Url: https://leetcode.com/problems/insert-delete-getrandom-o1/

4 min readOct 11, 2022

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380. Insert Delete GetRandom O(1)

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John Kim

62. Unique Paths

Leetcode #: 62 Name: Unique Paths Difficulty: Medium Url: https://leetcode.com/problems/unique-paths/

4 min readOct 10, 2022

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62. Unique Paths

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John Kim

70. Climbing Stairs

Leetcode #: 70 Name: Climbing Stairs Difficulty: Easy Url: https://leetcode.com/problems/climbing-stairs/

5 min readOct 8, 2022

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70. Climbing Stairs

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John Kim

John Kim

iOS Developer | Full Stack Developer | Software Engineer | LinkedIn: john-kim-developer | GitHub: cloudiosx | Portfolio: cloudiosx.com

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