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nprimo 97e68708b6 docs(lucas_number): improve subject 2 years ago
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README.md docs(lucas_number): improve subject 2 years ago

README.md

lucas_number

Instructions

Complete the body of the function lucas_number.

pub fn lucas_number(n: u32) -> u32 {}

This function receives a number n and returns the nth number in the Lucas Numbers where the nth number is the sum of the previous two numbers in the series.

The Lucas Numbers start like this: 2, 1, 3, 4, 7, 11, 18, 29, 47, 76, 123, etc...

Usage

Here is a possible test for your function:

use lucas_number::lucas_number;

fn main() {
    println!("The element in the position {} in Lucas Numbres is {}", 2, lucas_number(2));
    println!("The element in the position {} in Lucas Numbres is {}", 5, lucas_number(5));
    println!("The element in the position {} in Lucas Numbres is {}", 10, lucas_number(10));
    println!("The element in the position {} in Lucas Numbres is {}", 13, lucas_number(13));
}

And its output:

$ cargo run
The element in the position 2 in Lucas Numbers is 3
The element in the position 5 in Lucas Numbers is 11
The element in the position 10 in Lucas Numbers is 123
The element in the position 13 in Lucas Numbers is 521
$