FizzBuzz
Given integer n, return a list where for each number 1 to n:
- "FizzBuzz" if divisible by 3 and 5
- "Fizz" if divisible by 3
- "Buzz" if divisible by 5
- The number as string otherwise
Output each on a separate line.
Example:
15
1 2 Fizz 4 Buzz Fizz 7 8 Fizz Buzz 11 Fizz 13 14 FizzBuzz
- We start by iterating over the numbers from 1 to the input number, n=15.
- For each number i, we check its divisibility by 3 and 5, and apply the corresponding rules:
- if i is divisible by both 3 and 5, we output "FizzBuzz"
- if i is divisible by 3, we output "Fizz"
- if i is divisible by 5, we output "Buzz"
- otherwise, we output the number as a string.
- We repeat this process for all numbers from 1 to n, resulting in the output list with each item on a separate line.
- The rules are applied as follows:
- 3 is divisible by 3, so "Fizz" is output
- 5 is divisible by 5, so "Buzz" is output
- 15 is divisible by both 3 and 5, so "FizzBuzz" is output.
Constraints:
- 1 <= n <= 10^4
Background Knowledge
The FizzBuzz problem is a classic example of a mathematical and logical programming exercise. It involves understanding the basics of modular arithmetic, where the remainder of a division operation is used to determine the output. In this case, we need to check if a number is divisible by 3 and 5, which can be achieved using the modulo operator (%). The problem also requires an understanding of conditional statements, such as if-else statements, to handle different cases.
The problem can be broken down into four distinct cases: numbers that are divisible by both 3 and 5, numbers that are only divisible by 3, numbers that are only divisible by 5, and numbers that are not divisible by either. This requires an understanding of logical operators, such as and and or, to combine conditions and make decisions. Additionally, the problem involves looping constructs, such as for loops, to iterate over a range of numbers and apply the conditions to each one.
The FizzBuzz problem is often used as a screening tool to assess a programmer's ability to think logically and write clean, efficient code. It requires a combination of mathematical reasoning, logical thinking, and programming skills to solve. By understanding the underlying concepts and principles, you can develop a solution that is both effective and efficient.
Algorithm/Approach
The general approach to solving the FizzBuzz problem involves using a looping construct to iterate over a range of numbers from 1 to n. Inside the loop, you can use conditional statements to check each number against the given conditions and apply the corresponding output. This can be achieved using a combination of if-else statements and logical operators to handle the different cases. The key is to use the modulo operator to check for divisibility and make decisions based on the results.
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