query problemsetQuestionList($categorySlug: String, $limit: Int, $skip: Int, $filters: QuestionListFilterInput) {
  problemsetQuestionList: questionList(
    categorySlug: $categorySlug
    limit: $limit
    skip: $skip
    filters: $filters
  ) {
    total: totalNum
    questions: data {
      difficulty
      freqBar
      title
      titleSlug
      topicTags {
        name
        id
        slug
      }
      hasSolution
      hasVideoSolution
    }
  }
}