Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Types of Function
A function is a process or task that does some operation in the program. Some programming languages may contain built-in functions for certain commonly used tasks. Most programming languages also support user-defined functions, which means a user can wri…
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The screenshot showcases an educational platform interface for a programming lab activity titled "4.16.1: LAB: Hailstone sequence". Below are the key elements found within the image: ### Program Input and Output - **Input:** The number `25` is entered as an input to the program. - **Output:** The program generates the following sequence: ``` 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1 ``` ### Coding Environment - **Header:** `#include <iostream>` - **Namespace Usage:** `using namespace std;` - **Main Function:** ```cpp int main() { /* Type your code here. */ return 0; } ``` - The function contains a comment suggesting the user should type their code in a specific area. ### Submission Interface - **Modes of Operation:** - **Develop Mode** - **Submit Mode** - **Instructions:** - Users can run their program multiple times in Develop mode before submitting. - There's a provision to enter program input, if required, for testing. ### Tools and Buttons - **Run program:** Execute the program to see the output. - **Enter program input (optional):** Interface to enter additional inputs for the program. This setup indicates a typical educational platform where students can practice coding tasks and run their programs to observe results interactively. The focus of this lab activity seems to be on generating and understanding the Hailstone sequence, also known as the Collatz sequence.
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Transcribed Image Text:The screenshot showcases an educational platform interface for a programming lab activity titled "4.16.1: LAB: Hailstone sequence". Below are the key elements found within the image: ### Program Input and Output - **Input:** The number `25` is entered as an input to the program. - **Output:** The program generates the following sequence: ``` 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1 ``` ### Coding Environment - **Header:** `#include <iostream>` - **Namespace Usage:** `using namespace std;` - **Main Function:** ```cpp int main() { /* Type your code here. */ return 0; } ``` - The function contains a comment suggesting the user should type their code in a specific area. ### Submission Interface - **Modes of Operation:** - **Develop Mode** - **Submit Mode** - **Instructions:** - Users can run their program multiple times in Develop mode before submitting. - There's a provision to enter program input, if required, for testing. ### Tools and Buttons - **Run program:** Execute the program to see the output. - **Enter program input (optional):** Interface to enter additional inputs for the program. This setup indicates a typical educational platform where students can practice coding tasks and run their programs to observe results interactively. The focus of this lab activity seems to be on generating and understanding the Hailstone sequence, also known as the Collatz sequence.
```markdown # 4.16 LAB: Hailstone sequence Given a positive integer n, the following rules will always create a sequence that ends with 1, called the hailstone sequence: - If n is even, divide it by two - If n is odd, multiply it by 3 and add 1 (i.e. 3n +1) - Repeat until n is 1 Write a program that reads an integer as input and prints the hailstone sequence starting with the integer entered. Format the output so that ten integers, each separated by a tab character (\t), are printed per line. End the last line of output with a new line (endl). The output format can be achieved as follows: ```cpp cout << n << "\t"; ``` **Example:** If the input is: `25` the output is: ``` 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1 ``` --- ## LAB ACTIVITY **4.16.1: LAB: Hailstone sequence** ```cpp #include <iostream> using namespace std; int main() { /* Type your code here. */ } ``` ``` 0 / 22 ``` *Load default template...* ``` ``` ```
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Transcribed Image Text:```markdown # 4.16 LAB: Hailstone sequence Given a positive integer n, the following rules will always create a sequence that ends with 1, called the hailstone sequence: - If n is even, divide it by two - If n is odd, multiply it by 3 and add 1 (i.e. 3n +1) - Repeat until n is 1 Write a program that reads an integer as input and prints the hailstone sequence starting with the integer entered. Format the output so that ten integers, each separated by a tab character (\t), are printed per line. End the last line of output with a new line (endl). The output format can be achieved as follows: ```cpp cout << n << "\t"; ``` **Example:** If the input is: `25` the output is: ``` 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1 ``` --- ## LAB ACTIVITY **4.16.1: LAB: Hailstone sequence** ```cpp #include <iostream> using namespace std; int main() { /* Type your code here. */ } ``` ``` 0 / 22 ``` *Load default template...* ``` ``` ```
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