4. Pola Lingkaran | Latihan Computational Thinking

Summary

In this episode of the computational thinking series, Sandika Galih explores circle patterns by deriving a formula for rows and columns based on a pattern number. The discussion includes how to implement these patterns through a JavaScript program, emphasizing the use of loops and functions for modular coding. Viewers learn to visualize the patterns by displaying circles in a console, enhancing their understanding of programming concepts. The episode encourages applying computational thinking in coding, preparing participants for future challenges in programming.

Takeaways

• 😀 Understanding patterns is crucial for solving problems in competitive thinking.
• 😀 The first pattern consists of 2 rows with 3 circles each, forming a 2x3 grid.
• 😀 The second pattern expands to 3 rows with 4 circles each, creating a 3x4 grid.
• 😀 The third pattern features 4 rows with 5 circles, representing a 4x5 grid.
• 😀 The 10th pattern is identified as having 11 rows and 12 circles, following the established pattern.
• 😀 A formula for finding the number of rows and columns is introduced: Rows = n + 1, Columns = n + 2.
• 😀 Programming concepts such as loops and functions are essential for implementing patterns.
• 😀 The example uses JavaScript to create a program that generates circle patterns based on user input.
• 😀 Functions enhance code modularity, allowing for easier adjustments to input parameters.
• 😀 Visual representation using emojis can help in understanding and displaying patterns in programming.

Q & A

What is the main focus of the video?

The video focuses on competitive thinking through a pattern recognition problem involving circles.

How many circles are in the first pattern?

The first pattern consists of 2 rows with 3 circles each, totaling 6 circles.

What is the configuration of the circles in the 10th pattern?

In the 10th pattern, there are 11 rows of 12 circles each, making a total of 132 circles.

What formula is derived for determining rows and columns in the patterns?

The formula derived is: Rows = n + 1 and Columns = n + 2, where n represents the pattern number.

What programming language is used for the coding exercise?

JavaScript is the programming language used for the coding exercise.

What is the purpose of using loops in the programming example?

Loops are used to repeat actions for generating the rows and columns of circles without writing repetitive code.

How does the presenter suggest displaying the circles in the output?

The presenter suggests using circle emojis to visually represent the circles in the output.

What is the significance of creating a function in the programming exercise?

Creating a function allows for modular programming, making the code reusable for different pattern numbers without rewriting it.

How can viewers test different patterns using the provided function?

Viewers can test different patterns by changing the argument passed to the function when calling it.

What does the video emphasize about combining competitive thinking and programming?

The video emphasizes that understanding patterns and applying programming concepts can enhance problem-solving skills in competitive contexts.