Jan 17, 2025 · Jan 3, 2025 · Jan 7, 2025 · Jan 11, 2025 · Jan 17, 2025 · Jan 17, 2025
diff --git a/problems/0020.有效的括号.md b/problems/0020.有效的括号.md
Original file line number	Diff line number	Diff line change
Expand Up		@@ -172,6 +172,29 @@ class Solution {
		}
		```

	```java
	// 解法二
	// 对应的另一半一定在栈顶
	class Solution {
	public boolean isValid(String s) {
	Stack<Character> stack = new Stack<>();
	for(char c : s.toCharArray()){
	// 有对应的另一半就直接消消乐
	if(c == ')' && !stack.isEmpty() && stack.peek() == '(')
	stack.pop();
	else if(c == '}' && !stack.isEmpty() && stack.peek() == '{')
	stack.pop();
	else if(c == ']' && !stack.isEmpty() && stack.peek() == '[')
	stack.pop();
	else
	stack.push(c);// 没有匹配的就放进去
	}

	return stack.isEmpty();
	}
	}
	```

		### Python:

		```python
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