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class Solution { lateinit var map :Array val direction = arrayOf(Point(1,0), Point(-1,0), Point(0,1), Point(0,-1)) var answer = mutableListOf() fun solution(maps: Array): IntArray { map = Array(maps.size){IntArray(maps[0].length){-1} } for(r in 0 until maps.size){ for(c in 0 until maps[r].length){ val ch = maps[r][c] if(ch.isDigit()) map[r][c] = Character.getNumericValue(ch) } } for (r in map){ ..