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  1. Practice
  2. Data Structures
  3. Arrays
  4. Sparse Arrays
  5. Discussions

Sparse Arrays

  • vogias + 0 comments

    Thumbs up. I guess we could adapt the loops a bit:

        for (const auto& s : strings)  m[s]++;
    for (const auto& q : queries) v.push_back(m[q]);