Package g0401_0500.s0475_heaters

Class Solution

  • All Implemented Interfaces:
    
public final class Solution

    475 - Heaters.

    Medium

    Winter is coming! During the contest, your first job is to design a standard heater with a fixed warm radius to warm all the houses.

    Every house can be warmed, as long as the house is within the heater's warm radius range.

    Given the positions of houses and heaters on a horizontal line, return the minimum radius standard of heaters so that those heaters could cover all houses.

    Notice that all the heaters follow your radius standard, and the warm radius will the same.

    Example 1:

    Input: houses = 1,2,3, heaters = 2

    Output: 1

    Explanation: The only heater was placed in the position 2, and if we use the radius 1 standard, then all the houses can be warmed.

    Example 2:

    Input: houses = 1,2,3,4, heaters = 1,4

    Output: 1

    Explanation: The two heater was placed in the position 1 and 4. We need to use radius 1 standard, then all the houses can be warmed.

    Example 3:

    Input: houses = 1,5, heaters = 2

    Output: 3

    Constraints:

    • <code>1 <= houses.length, heaters.length <= 3 * 10<sup>4</sup></code>

    • <code>1 <= housesi, heatersi<= 10<sup>9</sup></code>

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description

    • Field Summary

      Fields 
      Modifier and Type Field Description

    • Constructor Summary

      Constructors 
      Constructor Description
      Solution()

    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description

    • Method Summary

      Modifier and Type Method Description
      final Integer findRadius(IntArray houses, IntArray heaters)

      • Methods inherited from class java.lang.Object

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