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