scala easy solution
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\nobject Solution {\n  def firstCompleteIndex(arr: Array[Int], mat: Array[Array[Int]]): Int = {\n    val all = arr.zipWithIndex.toMap\n    val cols = mat.map(_.map(all.getOrElse(_, Int.MaxValue)).max)\n    val rows = mat.transpose.map(_.map(all.getOrElse(_, Int.MaxValue)).max)\n    cols.min min rows.min\n  }\n}\n```
['Scala']