Package g0701_0800.s0781_rabbits_in_forest

Class Solution

java.lang.Object
g0701_0800.s0781_rabbits_in_forest.Solution
public class Solution extends java.lang.Object
781 - Rabbits in Forest.

Medium

There is a forest with an unknown number of rabbits. We asked n rabbits “How many rabbits have the same color as you?” and collected the answers in an integer array answers where answers[i] is the answer of the ith rabbit.

Given the array answers, return the minimum number of rabbits that could be in the forest.

Example 1:

Input: answers = [1,1,2]

Output: 5

Explanation:

 The two rabbits that answered "1" could both be the same color, say red.
 The rabbit that answered "2" can't be red or the answers would be inconsistent.
 Say the rabbit that answered "2" was blue.
 Then there should be 2 other blue rabbits in the forest that didn't answer into the array.
 The smallest possible number of rabbits in the forest is therefore 5: 3 that answered plus 2 that didn't.

Example 2:

Input: answers = [10,10,10]

Output: 11

Constraints:

  • 1 <= answers.length <= 1000
  • 0 <= answers[i] < 1000

  • Constructor Summary

    Constructors
    Constructor
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    numRabbits(int[] answers)
     

    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

    • numRabbits

      public int numRabbits(int[] answers)