Fetching algorithms...

Valid Parentheses Visualizer & Solution | Rulcode

119. Valid Parentheses

Easy

Topics

Companies

Hint

Understand Before Coding

Visualize This Problem

Open Visualizer

Draw Your Approach

Draw

Example 1:

Input: s = "()"

Output: true

Explanation: The parentheses are balanced and correctly closed.

Example 2:

Input: s = "([)]"

Output: false

Explanation: The parentheses are not closed in the correct order.

Example 3:

Input: s = "{[]}"

Output: true

Explanation: The parentheses are balanced and correctly nested.

Example 4:

Input: s = ""

Output: true

Explanation: An empty string is considered valid as there are no unclosed brackets.

Example 5:

Input: s = "(]"

Output: false

Explanation: The parentheses are not closed by the same type of bracket.

Constraints:

Time Complexity

O(n)

Space Complexity

O(n)

Loading problem details...

rulcode

119. Valid Parentheses

Easy

Topics

Companies

Hint

Understand Before Coding

Visualize This Problem

Open Visualizer

Draw Your Approach

Draw

Example 1:

Input: s = "()"

Output: true

Explanation: The parentheses are balanced and correctly closed.

Example 2:

Input: s = "([)]"

Output: false

Explanation: The parentheses are not closed in the correct order.

Example 3:

Input: s = "{[]}"

Output: true

Explanation: The parentheses are balanced and correctly nested.

Example 4:

Input: s = ""

Output: true

Explanation: An empty string is considered valid as there are no unclosed brackets.

Example 5:

Input: s = "(]"

Output: false

Explanation: The parentheses are not closed by the same type of bracket.

Constraints:

Time Complexity

O(n)

Space Complexity

O(n)

119. Valid Parentheses

Understand Before Coding

Visualize This Problem

Draw Your Approach

Example 1:

Example 2:

Example 3:

Example 4:

Example 5:

Constraints:

Learn

Topics

Companies

Hint

Use Cases

119. Valid Parentheses

Understand Before Coding

Visualize This Problem

Draw Your Approach

Example 1:

Example 2:

Example 3:

Example 4:

Example 5:

Constraints:

Learn

Topics

Companies

Hint

Use Cases