方法
private int[,] add(int[,] a1, int[,] a2, int width, int height)
{
if (a1.GetLength(0) != width || a1.GetLength(1) != height || a2.GetLength(0) != width || a2.GetLength(1) != height)
return null;
int[,] a3 = new int[width, height];
for(int i=0;i<width;i+... |
