2133. Check if Every Row and Column Contains All Numbers
Easy
An n x n
matrix is valid if every row and every column contains all the integers from 1
to n
(inclusive).
Given an n x n
integer matrix matrix
, return true
if the matrix is valid. Otherwise, return false
.
Example 1:
Example 2:
Constraints:
n == matrix.length == matrix[i].length
1 <= n <= 100
1 <= matrix[i][j] <= n
解題
Runtime: 215 ms, faster than 76.19%
Memory Usage: 7.8 MB, less than 80.95%
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