Main.cc: In function 'int main()':
Main.cc:15:10: error: 'jm' was not declared in this scope
b[i][(jm)%n]=a[i][j;]
^
Main.cc:15:23: error: expected ']' before ';' token
b[i][(jm)%n]=a[i][j;]
^
Main.cc:15:24: error: expected primary-expression before ']' token
b[i][(jm)%n]=a[i][j;]
^