Final OIE 2012 Día 2: Carrera de sacos en downtown
URL
              https://jutge.org/problems/P25067_es
          1
      
  Entreno 1 OIE 2020: Ruleta
URL
              https://www.hackerrank.com/contests/bienvenida-oie-2020/challenges/ruleta
          2
      
  Final OIE 2019 Día 2: Las galletas de Jan
URL
              https://www.hackerrank.com/contests/segundo-dia-final-oie-2019/challenges/las-galletas-de-jan
          1
      
  Final OIE 2019 Día 2: Borrando letras del SMS
URL
              https://www.hackerrank.com/contests/segundo-dia-final-oie-2019/challenges/borrando-letras-del-sms/problem
          2
      
  Final OIE 2019 Día 1: Correo no deseado
URL
              https://www.hackerrank.com/contests/primer-dia-final-oie-2019/challenges/lazis
          4
      
  Clasificatorio 2 OIE 2019: Flipping Rectangles
URL
              https://www.hackerrank.com/contests/segundo-concurso-clasificatorio-oie-2019/challenges/flipping-rectangles
          2
      
  Final OIE 2018 Día 2: De Farolas y Ladrones
URL
              https://www.hackerrank.com/contests/uttfbyovkhlmknqzgpwc/challenges/de-farolas-y-ladrones
          3
      
  Clasificatorio 1 OIE 2018: Monedas
URL
              https://www.hackerrank.com/contests/primer-concurso-clasificatorio-oie-2018/challenges/monedas
          2
      
  Concurso de Bienvenida OIE 2018: Haciendo Sushi
URL
              https://www.hackerrank.com/contests/concurso-de-bienvenida-oie-2018/challenges/haciendo-sushi
          2