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lines changed Original file line number Diff line number Diff line change 1+ '''
2+ μ΄ λ¬Έμ λ μ£Όμ΄μ§ κ΄νΈ λ¬Έμμ΄ (), {}, []μ΄ μ¬λ°λ₯΄κ² λ«νλμ§ νμΈνλ λ¬Έμ μ
13
4+ 쑰건 : 1) κ°μ νμ
μ κ΄νΈλ‘ λ«νμΌ ν¨
5+ 2) κ΄νΈκ° μ¬λ°λ₯Έ 'μμ'λ‘ λ«νμΌ ν¨
6+ 3) λͺ¨λ λ«λ κ΄νΈλ λμνλ μ¬λ κ΄νΈκ° μμ΄μΌ ν¨
7+
8+ ν΄κ²°λ°©λ² : μ€ν μλ£ κ΅¬μ‘°λ₯Ό μ¬μ©νμ¬, μ¬λ κ΄νΈλ μ€νμ λ£κ³ ,
9+ λ«λ κ΄νΈκ° λμ€λ©΄ μ€νμ λ§μ§λ§ μμμ μ§μ΄ λ§λμ§ νμΈν΄μΌ ν¨.
10+
11+ μλ₯Ό λ€μ΄, s = "([)]"
12+
13+ 1. ( β μ€ν μΆκ°
14+ 2. [ β μ€ν μΆκ°
15+ 3. ) β μ€ν λ§μ§λ§ [μ μ§μ΄ μ λ§μ β False
16+
17+ '''
18+
19+ class Solution :
20+ def isValid (self , s : str ):
21+ stack = []
22+ # λ«λ κ΄νΈλ₯Ό ν€λ‘, μ¬λ κ΄νΈλ₯Ό κ°μΌλ‘ λμ
λ리μ μ μ₯
23+ pair = {')' : '(' , '}' : '{' , ']' : '[' }
24+
25+ for char in s :
26+
27+ #charμ΄ μ¬λ κ΄νΈμΈμ§ νμΈ ν λ§μΌλ©΄ μ€νμ μΆκ°
28+ if char in pair .values ():
29+ stack .append (char )
30+
31+
32+ else :
33+ #μ€νμ΄ λΉμ΄ μμΌλ©΄ μ§μ΄ λ§λ μ¬λ κ΄νΈκ° μμ
34+ #μ€νμ λ§μ§λ§ μμμ νμ¬ λ«λ κ΄νΈμ μ§μ΄ λ€λ₯΄λ©΄ μλͺ»λ λ¬Έμμ΄μ
35+ if not stack or pair [char ] != stack .pop ():
36+
37+ #λͺ¨λ λ¬Έμ μ²λ¦¬ ν μ€νμ΄ λΉμ΄ μμ΄μΌ μ¬λ°λ₯Έ λ¬Έμμ΄μ
38+ return False
39+
40+ #μ€νμ΄ λΉμ΄μμ΄μΌ λͺ¨λ κ΄νΈκ° λ«ν
41+ return not stack
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