code exercise
enviroment: linux
compile codes:
g++ -O2 --std=c++14 process.cpp -o process meaning: executable file input_csv_path output_csv_path data_class_type
test command:
./process ../data/csv_test.csv ../data/output.csv 0you can alse run the auto-test script directly as follow：
sh compile_and_run.shspend time: 1.8h