https://leetcode.com/problems/same-tree/description/ Same Tree - 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 문제 Given the roots of two binary trees p and q, write a function to check if they are the same or not. Two binary trees are considered the same if they are structurally ..

https://leetcode.com/problems/valid-palindrome/description/ Valid Palindrome - 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 문제 A phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it reads the sa..

https://leetcode.com/problems/valid-parentheses/description/ Valid Parentheses - 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 문제 Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. An input string is valid if: ..

https://leetcode.com/problems/valid-anagram/description/ Valid Anagram - 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 문제 Given two strings s and t, return true if t is an anagram of s, and false otherwise. An Anagram is a word or phrase formed by rearranging the letters of a dif..

https://school.programmers.co.kr/learn/courses/30/lessons/131705 프로그래머스 코드 중심의 개발자 채용. 스택 기반의 포지션 매칭. 프로그래머스의 개발자 맞춤형 프로필을 등록하고, 나와 기술 궁합이 잘 맞는 기업들을 매칭 받으세요. programmers.co.kr 문제 문제 설명 한국중학교에 다니는 학생들은 각자 정수 번호를 갖고 있습니다. 이 학교 학생 3명의 정수 번호를 더했을 때 0이 되면 3명의 학생은 삼총사라고 합니다. 예를 들어, 5명의 학생이 있고, 각각의 정수 번호가 순서대로 -2, 3, 0, 2, -5일 때, 첫 번째, 세 번째, 네 번째 학생의 정수 번호를 더하면 0이므로 세 학생은 삼총사입니다. 또한, 두 번째, 네 번째, 다섯 번째 ..