Clasificatorio 2 OIE 2018: Greed
URL
https://www.hackerrank.com/contests/segundo-concurso-clasificatorio-oie-2018/challenges/greed-1
2
Clasificatorio 1 OIE 2018: Girona Temps de Flors
URL
https://www.hackerrank.com/contests/primer-concurso-clasificatorio-oie-2018/challenges/girona-temps-de-flors
4
Clasificatorio 1 OIE 2018: Montañas Rusas
URL
https://www.hackerrank.com/contests/primer-concurso-clasificatorio-oie-2018/challenges/montanas-rusas
3
Entreno 3 OIE 2019: Perdido
URL
https://www.hackerrank.com/contests/practica-3-oie-2019/challenges/perdido
2
Entreno 3 OIE 2019: TuboFlex
URL
https://www.hackerrank.com/contests/practica-3-oie-2019/challenges/tuboflex
1
OIE 2008 semifinal: Mariano and Luisito
URL
https://jutge.org/problems/P37276_en/statement
2