> For the complete documentation index, see [llms.txt](https://abhyas-kanaujia.gitbook.io/interviewbit-amazon/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://abhyas-kanaujia.gitbook.io/interviewbit-amazon/08-stacks-and-queues/redundant-braces.md).

# Redundant Braces

{% embed url="<https://www.interviewbit.com/problems/redundant-braces/>" %}

{% embed url="<https://youtu.be/azYOlJh9z8U>" %}

```cpp
int Solution::braces(string A) {
    stack<char> s;
    
    
    for(char ch: A) {
        if(ch == '(' || ch == '+' || ch == '-' || ch == '*' || ch == '/')
            s.push(ch);
        else if(ch == ')' && !s.empty() && s.top() == '(') 
            return true;
        else if(ch == ')') {
            while(!s.empty() && s.top() != '(')
                s.pop();
            s.pop();
        }
    }
    return false;
}

```