Clasificatorio 2 OIE 2021: Números en la cuadrícula
URL
https://www.hackerrank.com/contests/segundo-concurso-clasificatorio-oie-2021/challenges/numeros-en-la-cuadricula
4
Clasificatorio 2 OIE 2021: ¡Papalíndromos!
URL
https://www.hackerrank.com/contests/segundo-concurso-clasificatorio-oie-2021/challenges/papalindromos-1
2
Clasificatorio 2 OIE 2021: Parejas
URL
https://www.hackerrank.com/contests/segundo-concurso-clasificatorio-oie-2021/challenges/parejas
2
Clasificatorio 1 OIE 2021: Coloreando la rejilla
URL
https://www.hackerrank.com/contests/primer-concurso-clasificatorio-oie-2021/challenges/componentes-de-la-rejilla
6
Clasificatorio 1 OIE 2021: Tablero hermoso
URL
https://www.hackerrank.com/contests/primer-concurso-clasificatorio-oie-2021/challenges/tablero-hermoso
4