Making An Acronym

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Objective

Your goal is to make a program that converts an input to its acronym. Your input is guaranteed to have only letters and spaces. The input will have exactly one space between words. You must write a program that takes this input and returns the acronym, which is the first letter of each word.

Input Format

The input will be a string of words separated by spaces. Each word will only contain letters. The input will not contain any punctuation or special characters. For example:

  • Hello World
  • Code Golf
  • String Theory

Output Format

The output will be the acronym of the input string. The acronym is the first letter of each word. For example:

  • Hello World -> HW
  • Code Golf -> CG
  • String Theory -> ST

Code Golf Rules

In Code Golf, the goal is to write the shortest possible code that solves the problem. The code will be judged on its length, with the shortest code winning. However, the code must still be readable and understandable.

Example Use Cases

Here are some example use cases for the program:

  • Input: Hello World Output: HW
  • Input: Code Golf Output: CG
  • Input: String Theory Output: ST

Solution

Here is a possible solution in Python:

def acronym(s):
    return ''.join(word[0] for word in s.split())

This solution uses the split method to split the input string into words, and then uses a generator expression to get the first letter of each word. The join method is then used to concatenate the first letters into a single string.

Explanation

Here's a step-by-step explanation of how the solution works:

  1. The split method is used to split the input string into words. This method splits the string into a list of words, using spaces as the delimiter.
  2. The word[0] expression is used to get the first letter of each word. This expression uses indexing to get the first character of each word.
  3. The join method is used to concatenate the first letters into a single string. This method takes an iterable of strings and concatenates them into a single string.

Alternative Solutions

Here are some alternative solutions in different languages:

  • JavaScript:
function acronym(s) {
  return s.split(' ').map(word => word[0]).join('');
}
  • Java:
public class Acronym {
  public static String acronym(String s) {
    String[] words = s.split(" ");
    StringBuilder acronym = new StringBuilder();
    for (String word : words) {
      acronym.append(word.charAt(0));
    }
    return acronym.toString();
  }
}
  • C++:
#include <string>
#include <sstream>

std::string acronym(const std::string& s) {
  std::istringstream iss(s);
  std::string word;
  std::string acronym;
  while (iss >> word) {
    acronym += word[0];
  }
  return acronym;
}

Conclusion

Frequently Asked Questions

In this article, we'll answer some frequently asked questions about making an acronym from a given input string.

Q: What is an acronym?

A: An acronym is a word formed from the initial letters of a phrase or name. For example, "NASA" is an acronym for "National Aeronautics and Space Administration".

Q: What is Code Golf?

A: Code Golf is a programming challenge where the goal is to write the shortest possible code that solves a problem. The code is judged on its length, with the shortest code winning.

Q: What is the input format for this challenge?

A: The input will be a string of words separated by spaces. Each word will only contain letters. The input will not contain any punctuation or special characters.

Q: What is the output format for this challenge?

A: The output will be the acronym of the input string. The acronym is the first letter of each word.

Q: Can I use any programming language for this challenge?

A: Yes, you can use any programming language you like. However, the code must be readable and understandable.

Q: How do I get the first letter of each word?

A: You can use the split method to split the input string into words, and then use a generator expression or a loop to get the first letter of each word.

Q: How do I concatenate the first letters into a single string?

A: You can use the join method to concatenate the first letters into a single string.

Q: Can I use a library or framework to solve this challenge?

A: No, you cannot use a library or framework to solve this challenge. The goal of Code Golf is to write the shortest possible code that solves the problem, and using a library or framework would defeat the purpose of the challenge.

Q: How do I submit my code for this challenge?

A: You can submit your code by pasting it into a text editor or IDE, and then sharing it with others. You can also use online platforms such as GitHub or Pastebin to share your code.

Q: What are some common pitfalls to avoid when solving this challenge?

A: Some common pitfalls to avoid when solving this challenge include:

  • Using a library or framework to solve the problem
  • Writing code that is too long or too complex
  • Failing to test your code thoroughly
  • Not following the input and output formats specified in the challenge

Q: How do I get started with this challenge?

A: To get started with this challenge, simply read the problem statement and the rules, and then start writing code. You can use a text editor or IDE to write your code, and then test it to make sure it works correctly.

Conclusion

In this article, we've answered some frequently asked questions about making an acronym from a given input string. We've also discussed the Code Golf rules and the importance of readability and understandability in code. If you have any more questions, feel free to ask!