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

Sparse Arrays

  • david_daverio + 1 comment

    I dont understand one thing:

    unordered_set sould contain no duplicated elements, so count would return 0 or 1.... How to overcome this issue?

    http://www.cplusplus.com/reference/unordered_set/unordered_set/count/

    • ArshadAQ + 0 comments

      Thats why you have to use unordered_multiset