Do you know how 2d matrix is stored in 1d memory? Try to map 2-dimensions into one.
提示 2
M[i][j]=M[n*i+j] , where n is the number of cols.
This is the one way of converting 2-d indices into one 1-d index.
Now, how will you convert 1-d index into 2-d indices?
提示 3
Try to use division and modulus to convert 1-d index into 2-d indices.
提示 4
M[i] => M[i/n][i%n] Will it result in right mapping? Take some example and check this formula.
