부부의 코딩 성장 일기

1. 문제 링크 https://leetcode.com/problems/combination-sum-ii/ Combination Sum II - LeetCode Can you solve this real interview question? Combination Sum II - Given a collection of candidate numbers (candidates) and a target number (target), find all unique combinations in candidates where the candidate numbers sum to target. Each number in candid leetcode.com 2. 문제 설명 기존 Combination Sum(Leetcode39)의..

1. 문제 링크 39. Combination Sum Combination Sum - LeetCode Can you solve this real interview question? Combination Sum - Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of candidates where the chosen numbers sum to target. You may return the comb leetcode.com 2. 문제 설명 candidates = [2,3,6,7], target = 7이 주어지면 [[2,2,3],[7]]을 반환하는 문제..

1. 문제 링크 https://leetcode.com/problems/count-and-say Count and Say - LeetCode Can you solve this real interview question? Count and Say - The count-and-say sequence is a sequence of digit strings defined by the recursive formula: * countAndSay(1) = "1" * countAndSay(n) is the way you would "say" the digit string from countAndSay(n-1 leetcode.com 2. 문제 설명 count-and-say sequence는 재귀적인 공식에 의해 정의된 숫..

1. 문제 링크 https://leetcode.com/problems/valid-sudoku/ Valid Sudoku - LeetCode Can you solve this real interview question? Valid Sudoku - Determine if a 9 x 9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: 1. Each row must contain the digits 1-9 without repetition. 2. Each c leetcode.com 2. 문제 설명 스도쿠 문제가 주어졌을 때 valid 한 지 따져서 True, False 반환 valid..

1. 문제 링크 https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/description/ Find First and Last Position of Element in Sorted Array - LeetCode Can you solve this real interview question? Find First and Last Position of Element in Sorted Array - Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target v..

1. 문제 링크 https://leetcode.com/problems/search-in-rotated-sorted-array/ Search in Rotated Sorted Array - LeetCode Can you solve this real interview question? Search in Rotated Sorted Array - There is an integer array nums sorted in ascending order (with distinct values). Prior to being passed to your function, nums is possibly rotated at an unknown pivot index k (1 int: # 회전된 배열에서 pivot(회전의 기준이 되..

1. 문제 링크 https://leetcode.com/problems/isomorphic-strings/ Isomorphic Strings - LeetCode Can you solve this real interview question? Isomorphic Strings - Given two strings s and t, determine if they are isomorphic. Two strings s and t are isomorphic if the characters in s can be replaced to get t. All occurrences of a character must be replace leetcode.com 2. 문제 설명 두 문자열 s와 t가 주어졌을 때, 두 문자열이 iso..

1. 문제 링크 LeetCode - The World's Leading Online Programming Learning Platform Next Permutation - LeetCode Can you solve this real interview question? Next Permutation - A permutation of an array of integers is an arrangement of its members into a sequence or linear order. * For example, for arr = [1,2,3], the following are all the permutations of arr: [1,2,3], leetcode.com 2. 문제 설명 주어진 수를 한 번씩 사용..