LeedCode

[LeetCode] 1700. Number of Students Unable to Eat Lunch (Daily Question)

문제 The school cafeteria offers circular and square sandwiches at lunch break, referred to by numbers 0 and 1 respectively. All students stand in a queue. Each student either prefers square or circular sandwiches. The number of sandwiches in the cafeteria is equal to the number of students. The sandwiches are placed in a stack. At each step: - If the student at the front of the queue prefers the ..

[LeetCode] 205. Isomorphic Strings (Daily Question)

문제 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 replaced with another character while preserving the order of characters. No two characters may map to the same character, but a character may map to itself. 주어진 두 문자열 s, t가 같은 구조인지 판별하는 문제이다. 예를 들면, egg와 add는 구..