Package g0901_1000.s0914_x_of_a_kind_in_a_deck_of_cards

Class Solution

java.lang.Object
g0901_1000.s0914_x_of_a_kind_in_a_deck_of_cards.Solution
public class Solution extends java.lang.Object
914 - X of a Kind in a Deck of Cards.

Easy

In a deck of cards, each card has an integer written on it.

Return true if and only if you can choose X >= 2 such that it is possible to split the entire deck into 1 or more groups of cards, where:

  • Each group has exactly X cards.
  • All the cards in each group have the same integer.

Example 1:

Input: deck = [1,2,3,4,4,3,2,1]

Output: true

Explanation: Possible partition [1,1],[2,2],[3,3],[4,4].

Example 2:

Input: deck = [1,1,1,2,2,2,3,3]

Output: false

Explanation: No possible partition.

Constraints:

  • 1 <= deck.length <= 104
  • 0 <= deck[i] < 104

  • Constructor Summary

    Constructors
    Constructor
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    hasGroupsSizeX(int[] deck)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • hasGroupsSizeX

      public boolean hasGroupsSizeX(int[] deck)