1614. Maximum Nesting Depth of the Parentheses

class Solution {
    public int maxDepth(String s) {
        int depth = 0;
        int maxDepth = 0;
        for (char c : s.toCharArray()) {
            if (c == '(') {
                depth++;
                maxDepth = Math.max(maxDepth, depth);
            } else if (c == ')') {
                depth--;
            }
        }
        return maxDepth;
    }
}

class Solution:
    def maxDepth(self, s: str) -> int:
        depth = 0
        maxDepth = 0

        for c in s:
            if c == '(':
                depth += 1
                maxDepth = max(maxDepth, depth)
            elif c == ')':
                depth -= 1

        return maxDepth

class Solution {
public:
    int maxDepth(string s) {
        int depth = 0;
        int maxDepth = 0;

        for (char c : s) {
            if (c == '(') {
                depth++;
                maxDepth = max(maxDepth, depth);
            } 
            else if (c == ')') {
                depth--;
            }
        }

        return maxDepth;
    }
};

class Solution {
    maxDepth(s) {
        let depth = 0;
        let maxDepth = 0;

        for (const c of s) {
            if (c === '(') {
                depth++;
                maxDepth = Math.max(maxDepth, depth);
            } 
            else if (c === ')') {
                depth--;
            }
        }

        return maxDepth;
    }
}