Read data from a file individually and multiply the two columns in C++

Question

I have a data file \"1.dat\" which has 4 columns and 250 rows.

I need to read each row and process it such as to multiply two columns [col1 and col2].

Can yo

Answer 1

http://www.cplusplus.com/doc/tutorial/files/ Here's a few tips on how to read a file using C++, after that you're going to need to cast a string into an integer or float depending.