Function getArea

tasks/85.go:44–71

(matrix [][]byte, x, y int)

}

func getArea(matrix [][]byte, x, y int) int {
	maxArea := 0
	minWidth := 0
	width := 0
	length := 0
	for i := x; i < len(matrix); i++ {
		if matrix[i][y] == '0' {
			break
		}
		for j := y; j < len(matrix[0]); j++ {
			if minWidth != 0 && j-y >= minWidth || matrix[i][j] == '0' {
				break
			}

			width++
		}

		length++
		if minWidth == 0 || width < minWidth {
			minWidth = width
		}
		if width*length > maxArea {
			maxArea = width * length
		}
		width = 0
	}
	return maxArea
}