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Collatz Sequence

Follow the halve-or-triple-and-add-one rule until reaching 1.

Start with n. If it is even, divide it by 2; if it is odd, multiply it by 3 and add 1. Repeat until the value is 1. Include both the starting value and the final 1 in your answer.

Implement collatz_sequence(n).

Input

n: The positive starting integer.

Output

Return the complete sequence in order.

Restricciones

1 ≤ n ≤ 10,000. Inputs in this range reach 1 under this rule; all sequence values fit a signed 64-bit integer.

Ejemplos

Ejemplo 1
Entrada:
n = 6

Salida esperada:
expected = [6, 3, 10, 5, 16, 8, 4, 2, 1]
Entrada:
long long n = 6;

Salida esperada:
std::vector<long long> expected = {6, 3, 10, 5, 16, 8, 4, 2, 1};
Entrada:
long n = 6;

Salida esperada:
long[] expected = new long[] {6, 3, 10, 5, 16, 8, 4, 2, 1};

Explicación

6 is even, so it becomes 3. Then 3 becomes 10. Continue applying the rule until 1.

Ejemplo 2
Entrada:
n = 1

Salida esperada:
expected = [1]
Entrada:
long long n = 1;

Salida esperada:
std::vector<long long> expected = {1};
Entrada:
long n = 1;

Salida esperada:
long[] expected = new long[] {1};

Explicación

The starting value is already 1, so no transformations are needed.

Referencias

Este reto está adaptado para CodeUtility. Sigue el enunciado y las restricciones indicadas arriba.

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