https://www.hackerrank.com/contests/tercer-concurso-de-practica-oie-2020/challenges/multiplos-1-1

https://jutge.org/problems/P54884_es

https://jutge.org/problems/P57904_es

https://jutge.org/problems/P52658_es

https://jutge.org/problems/P82395_es

https://jutge.org/problems/P35540_es

https://jutge.org/problems/P24372_es

https://jutge.org/problems/P94083_es

https://jutge.org/problems/P99182_es

https://www.hackerrank.com/contests/bienvenida-oie-2020/challenges/oooiiieee