problems(kt): add „2133. Check if Every Row and Column Contains All Numbers“

Signed-off-by: Matej Focko <mfocko@redhat.com>

problems/check-if-every-row-and-column-contains-all-numbers.kt

@@ -0,0 +1,13 @@
+class Solution {
+    fun checkValid(matrix: Array<IntArray>): Boolean {
+        val n = matrix.size
+        val required = (1..n).toSet()
+
+        fun checkDimension(
+            dimensions: Iterable<Iterable<Int>>
+        ): Boolean = dimensions.all { it.toSet() == required }
+
+        return checkDimension(matrix.map(IntArray::toList)) &&
+            checkDimension((0 until n).map { x -> matrix.map { row -> row[x] }})
+    }
+}