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Add more hard problems

Abierto
#7 0 comentarios 0 reacciones 0 asignados Ver en GitHub

Nadie ha tomado este issue todavía.

Evaluación

Dificultad
5/5
Tiempo estimado
Más de una semana
Aptitud para principiantes
35/100
Tipo de issue
Nueva funcionalidad
Claridad
Bien especificado
Estado de actividad
Activo
Stack tecnológico
javascript, node.js, python
Área
backend, testing

Línea de trabajo

Read backend/arena/docs/problems.md and inspect the existing problem JSON and reference solutions in backend/arena/problems/ and backend/arena/solutions/ to understand the format and constraints. Add one original hard problem with JavaScript and Python reference solutions, using only types listed in issue #3 and keeping the gaming theme. Run cd backend && npm run validate:problems; done means both solutions pass all examples and tests, including edge cases and a large input that rules out brute force.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

enhancement help wanted

The problem set has 17 easy, 19 medium and only 9 hard problems. Ranked battles at high ratings draw from the hard pool, so strong players see repeats quickly.

What we need

New hard problems, ideally in topics the set barely covers today: union find, trie, topological sort, sweep line, bit manipulation and two pointers each appear once or twice.

How to add one

  • Read backend/arena/docs/problems.md.
  • Create backend/arena/problems/<id>.json plus two independently written reference solutions, backend/arena/solutions/<id>.js and <id>.py.
  • Keep the gaming theme the rest of the set uses (lobbies, ratings, loot, replays).
  • Use only the types listed in #3 so every language driver can run it.

Definition of done

  • cd backend && npm run validate:problems passes: both references pass every example and test.
  • Tests include edge cases and at least one large input that a brute-force solution would time out on.
  • Problems are your own work, not copied from another site.

One problem per pull request is perfect.

Lenguaje dominante
JavaScript
Estrellas
0
Forks
2
Métricas de merge de PR
Sin PR fusionados en 30 d

Preparar el entorno

Primeros pasos

  1. Lee el issue completo y luego la guía de contribución del proyecto.
  2. Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
  3. Haz un fork del repositorio y trabaja en una rama.
  4. Abre un pull request que haga referencia al número del issue.

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