200704 #320
Description
https://level.goorm.io/exam/43218/스택-stack/quiz/1
오답이나와서 뭐가틀렸는지 보고있다
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwid5fDVqbbqAhXb7WEKHcnrDG8QFjAAegQIBBAB&url=https%3A%2F%2Feuns2ol.tistory.com%2F12&usg=AOvVaw2sHotdExQCYhgjRHtbxI31
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwid5fDVqbbqAhXb7WEKHcnrDG8QFjADegQIAxAB&url=http%3A%2F%2Fm.blog.naver.com%2Fsoohan530%2F221136285007&usg=AOvVaw0q4lI0UNsYObrworn7s2ZD