如何将行数为奇数的二维整数矩阵旋转45度?
例如:
int[] myArray = new int[,]
{
{1, 0 ,1},
{0, 1 ,0},
{0, 0 ,0},
}
转换为
int[] rotatedArray = new int[,]
{
{0, 1 ,0},
{0, 1 ,1},
{0, 0 ,0},
}
对于任何维度(3x3,5x5,7x7等),都适用以下的 IT 技术。 5x5
0 0 0 0 0
2 0 0 0 0
1 1 1 1 1
0 0 0 0 0
0 0 0 0 0
转换成
1 2 0 0 0
0 1 0 0 0
0 0 1 0 0
0 0 0 1 0
0 0 0 0 1
5x5
0 0 0 3 0
0 0 0 3 0
0 0 0 3 0
0 0 0 3 0
0 0 0 3 0
转化为
0 0 0 0 0
0 0 0 0 3
0 0 0 3 0
0 0 3 3 0
0 3 0 0 0