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swift

struct Ma {

let rows: Int, columns: Int
var grid: [Double]


init(rows: Int, columns: Int) {
	self.rows = rows
	self.columns = columns
	grid = Array(count: rows * columns, repeatedValue: 0.0)
}

subscript(row: Int, column: Int) -> Double {
	get {

		return grid[(row * columns) + column]
	}
	set {

		grid[(row * columns) + column] = newValue
	}
}

}

var matrix = Ma(rows: 2, columns: 2) print(matrix.grid)//[0.0, 0.0, 0.0, 0.0]

matrix[0, 1] = 1.5 matrix[1, 0] = 3.2

print(matrix.grid)//[0.0, 1.5, 3.2, 0.0] 000000000000000000000000000000000000000000000 111111111111111111111111111111111111111111111 222222222222222222222222222222222222222222222

在商场新建个分支lenovo 加了这句!

在商场新建个分支lenovo 又又又又又又又又又又加了这句!

上面加了后 这里能传上网 家里下不了,也传不了!

找到问题了!他更新 我也更 他先上传 我要拉他更新下来到 另一个分支上 合并分支 ,现在上传!

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