[challenge] symmetric matrix checking .................. Only for sololearners..

Question

[challenge] symmetric matrix checking .................. without using extra header files if in c++......

if input matrix is
1 2 3
2 4 6
3 6 5
which has symmetry about the diagonal [1 4 5 ]
those matrices are called symmetric matrix....

Answer 1

https://code.sololearn.com/c4FU1qz9LMNV/?ref=app