Also he is cooking extremly with c language, when trying to solve PS problem (poor eng), κΉκ³ μ΄λμ΄ ν λκ΅΄μμ λͺ¨λμ μν΅νλ κ·Έλ μ ν₯ν΄ κΈΈμ μ°Ύμκ°μ