Main.cc: In function 'int main()': Main.cc:9:20: error: invalid types 'int[int]' for array subscript cin>>a[i][j]; ^ Main.cc:13:20: error: invalid types 'int[int]' for array subscript cin>>b[i][j]; ^ Main.cc:17:21: error: invalid types 'int[int]' for array subscript cout<