๐๏ธ ๋น์ ์ด ์์์ผ ํ 20๊ฐ์ง ์ฝ๋ฉ ์๊ณ ๋ฆฌ์ฆ (2)
"20๊ฐ์ง ํ์ ์๊ณ ๋ฆฌ์ฆ์ ํตํด ์ฝ๋ฉ ์ธํฐ๋ทฐ ํ๋ก๊ฐ ๋๊ธฐ" 2ํธ์ ๋๋ค. ์ด ์๋ฆฌ์ฆ๋ 3ํธ๊น์ง ์ด์ด์ง๋๋ค. ๋น์ ์ด ์์์ผ ํ 20๊ฐ์ง ์ฝ๋ฉ ์๊ณ ๋ฆฌ์ฆ (1) - [https://careerly.co.kr/comments/75731] ๋น์ ์ด ์์์ผ ํ 20๊ฐ์ง ์ฝ๋ฉ ์๊ณ ๋ฆฌ์ฆ (3) - [https://careerly.co.kr/comments/76617] 1๏ธโฃ Breadth First Search(BFS) - ์ฌ์ฉ: ๋๋น ์ฐ์ ํ์์ผ๋ก ๊ทธ๋ํ๋ ํธ๋ฆฌ๋ฅผ ํ์ํ ๋ - ์๋ฃ๊ตฌ์กฐ: Tree, Graph, Matrix, Queue - ์์ ๋ฌธ์ : [https://leetcode.com/problems/binary-tree-level-order-traversal/] [https://leetcode.com/problems/minimum-depth-of-binary-tree/] 2๏ธโฃ Depth First Search(DFS) - ์ฌ์ฉ: ๊น์ด ์ฐ์ ํ์์ผ๋ก ๊ทธ๋ํ๋ ํธ๋ฆฌ๋ฅผ ํ์ํ ๋ - ์๋ฃ๊ตฌ์กฐ: Tree, Graph, Matrix - ์์ ๋ฌธ์ : [https://leetcode.com/problems/path-sum-ii/] 3๏ธโฃ Two Heaps - ์ฌ์ฉ: ๊ฐ์ฅ ์์ ์์๋ฅผ ์ฐพ๊ธฐ ์ํ ์ต์ ํ, ๊ฐ์ฅ ํฐ ์์๋ฅผ ์ฐพ๊ธฐ ์ํ ์ต๋ ํ์ ์ฌ์ฉํ ๋ - ์๋ฃ๊ตฌ์กฐ: Heap, Array - ์์ ๋ฌธ์ : [https://leetcode.com/problems/find-median-from-data-stream/] 4๏ธโฃ Subsets - ์ฌ์ฉ: ์์ด ๋๋ ์กฐํฉ์ ์ฒ๋ฆฌํ ๋ - ์๋ฃ๊ตฌ์กฐ: Queue, Array, String - ์์ ๋ฌธ์ : [https://leetcode.com/problems/letter-case-permutation/] [https://leetcode.com/problems/generalized-abbreviation/] 5๏ธโฃ Modified Binary Search - ์ฌ์ฉ: ์ ๋ ฌ๋ ์งํฉ์ ํจ์จ์ ์ผ๋ก ๊ฒ์ํ ๋ - ์๋ฃ๊ตฌ์กฐ: Array - ์์ ๋ฌธ์ : [https://leetcode.com/problems/peak-index-in-a-mountain-array/] 6๏ธโฃ Bitwise XOR - ์ฌ์ฉ: XOR ์ฐ์ฐ์๋ฅผ ์ฌ์ฉํด ๋นํธ๋ฅผ ์กฐ์ํ ๋ - ์๋ฃ๊ตฌ์กฐ: Array, Bits - ์์ ๋ฌธ์ : [https://leetcode.com/problems/single-number-ii/] [https://leetcode.com/problems/flipping-an-image/] 7๏ธโฃ Top 'K' Elements - ์ฌ์ฉ: ๊ฐ์ฅ ์์/ํฐ/์์ฃผ ๋ฐ์ํ๋ 'K'๋ฒ์งธ ์์๋ฅผ ์ฐพ์ ๋ - ์๋ฃ๊ตฌ์กฐ: Array, Heap, Queue - ์์ ๋ฌธ์ : [https://leetcode.com/problems/k-closest-points-to-origin/]