Package g1801_1900.s1886_determine_whether_matrix_can_be_obtained_by_rotation

Class Solution

java.lang.Object
g1801_1900.s1886_determine_whether_matrix_can_be_obtained_by_rotation.Solution
public class Solution extends java.lang.Object
1886 - Determine Whether Matrix Can Be Obtained By Rotation.

Easy

Given two n x n binary matrices mat and target, return true if it is possible to make mat equal to target by rotating mat in 90-degree increments , or false otherwise.

Example 1:

Input: mat = [[0,1],[1,0]], target = [[1,0],[0,1]]

Output: true

Explanation: We can rotate mat 90 degrees clockwise to make mat equal target.

Example 2:

Input: mat = [[0,1],[1,1]], target = [[1,0],[0,1]]

Output: false

Explanation: It is impossible to make mat equal to target by rotating mat.

Example 3:

Input: mat = [[0,0,0],[0,1,0],[1,1,1]], target = [[1,1,1],[0,1,0],[0,0,0]]

Output: true

Explanation: We can rotate mat 90 degrees clockwise two times to make mat equal target.

Constraints:

  • n == mat.length == target.length
  • n == mat[i].length == target[i].length
  • 1 <= n <= 10
  • mat[i][j] and target[i][j] are either 0 or 1.

  • Constructor Summary

    Constructors
    Constructor
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    findRotation(int[][] mat, int[][] target)
     

    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

    • findRotation

      public boolean findRotation(int[][] mat, int[][] target)