[Medium] Spiral Matrix
leetCode 2022. 7. 1. 11:20

문제 https://leetcode.com/problems/spiral-matrix/submissions/ Spiral Matrix - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com Given an m x n matrix, return all elements of the matrix in spiral order. m x n 행렬이 주어지면 행렬의 모든 요소를 나선형 순서로 반환합니다. 예시 Example 1: Input: matrix = [[1,2,3],[4,5..

[Easy] 67. Add Binary
leetCode 2022. 6. 15. 16:22

문제 Given two binary strings a and b, return their sum as a binary string. 두 개의 이진 문자열 a와 b가 주어지면, 합을 이진 문자열로 반환한다. 예시 Example 1: Input: a = "11", b = "1" Output: "100" Example 2: Input: a = "1010", b = "1011" Output: "10101" 제약 조건 Constraints: 1

[Medium] 43. Multiply Strings
leetCode 2022. 6. 15. 08:45

문제 Given two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2, also represented as a string. Note: You must not use any built-in BigInteger library or convert the inputs to integer directly. 문자열로 표현되는 음이 아닌 정수 num1과 num2가 주어지면 num1과 num2의 곱을 반환한다. 참고: 기본 제공 Big Integer 라이브러리를 사용하거나 입력을 정수로 직접 변환할 수 없습니다. 예시 Example 1: Input: num1 = "2", num2 = "3" O..

[Easy] 1603. Design Parking System
leetCode 2022. 6. 8. 13:25

문제 Design a parking system for a parking lot. The parking lot has three kinds of parking spaces: big, medium, and small, with a fixed number of slots for each size. Implement the ParkingSystem class: ParkingSystem(int big, int medium, int small) Initializes object of the ParkingSystem class. The number of slots for each parking space are given as part of the constructor. bool addCar(int carType)..