VSCode is using g++ to solve the algorithm problem.
If you use freopen like above, you could easily input the txt file no matter how long the input value was.
I need to input the .xlsx excel file this time.
I googled and found mfc and other libraries
I don't have to deal with Excel completely like making sheets or putting cells together
It is enough to read like a free-open and then select only the values you want and save them as an Excel file
It was hard to find the way I wanted it.
If you know how to fit my purpose, please answer me!c++
Excel-related Microsoft Office program formats store files using technologies such as OLE.
It is best to extract the contents of the file using a library because it is impossible unless you are familiar with the format.
Or, if your data consists of plaintext, such as a csv file, you can read and write file data without using the library.
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