20.05.04 379Β μ½μ πβ¨οΈππ΅πΆ λλ§μβ ꡬλ νκΈ° 0 17 μ½ν μΈ μ μμ΅ 33 1. I can't solve this problem : λ¬Έμ λͺ»νκ² μ΄2. I knew that : μκ³ μμμ΄3. Your information was useless : λ€ μ 보 μΈλ°μλ€ 17 0 / 300 μ λ ₯