Search⌘ K
AI Features

Generate Parentheses

Explore the method to generate all valid combinations of balanced parentheses for a given number. Learn to recognize and implement the pattern behind subsets and balanced parentheses, enhancing your problem-solving skills for coding interviews in C++. This lesson provides practical coding exercises and templates to develop a clear and efficient solution.

Statement

For a given number, n, generate all combinations of balanced parentheses.

Constraints:

  • 11 \leq n 10\leq 10

Examples

Understand the problem

Let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:

Generate Parentheses

1.

Which is a valid combination of balanced parentheses when n = 2?

A.

()()

(())

((()

B.

(())

))((

()()

C.

()()

(())


1 / 3

Figure it out!

We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.

Sequence - Vertical
Drag and drop the cards to rearrange them in the correct sequence.

1
2
3
4
5

Try it yourself

Implement your solution in main.cpp in the following coding playground. We have provided a useful code template in the other file, that you may build on to solve this problem.

C++
usercode > main.cpp
vector<string> GenerateCombinations(int n)
{
// Replace this placeholder return statement with your code
return {};
}
Generate Parentheses