#include

#include

#include

#include

#include

#include

$//$ Function to calculate the mean price for bid and ask of each product

std::unordered$\_$map$>$ calculate$\_$mean$\_$prices$($const std::string& filename$)\{$

std::ifstream file$($filename$)$;

if $(!$file.is$\_$open$())\{$

std::cerr $<<$ "Error opening file: $"<<$ filename $<<$ std::endl;

return $\{\}$;

$\}$

$//$ Map to store accumulated prices and counts for bid and ask for each product

std::unordered$\_$map$>$ productPrices;

std::string line;

while $($std::getline$($file$,$ line$))\{$

std::istringstream iss$($line$)$;

std::string product, bidAsk;

double price;

$//$ Assuming the product is in the second column, bid$/$ask in the third column, and price in the fifth column

if $($iss $>>$ std::quoted$($product$)>>$ std::quoted$($bidAsk$)>>$ price$)\{$

if $($bidAsk $==$ "BID" $||$ bidAsk $==$ "ASK"$)\{$

$//$ Accumulate prices and counts separately for bid and ask

auto& pair $=$ productPrices$[$product$]$;

bidAsk $==$ "BID" $?$ pair.first $+=$ price : pair.second $+=$ price;

$\}$

$\}$

$\}$

$//$ Calculate mean prices for bid and ask for each product

for $($auto& entry : productPrices$)\{$

auto& pair $=$ entry.second;

pair.first $/=$ pair.second; $//$ Calculate mean for bid

pair.second $/=$ pair.second; $//$ Calculate mean for ask

$\}$

return productPrices;

$\}$

int main$()\{$

$//$ Example CSV file name $($replace with your actual file name$)$

std::string filename $="20200601.$csv$"$;

$//$ Calculate mean prices for bid and ask

auto meanPrices $=$ calculate$\_$mean$\_$prices$($filename$)$;

$//$ Print the results

std::cout $<<$ std::left $<<$ std::setw$(20)<<$ "Product" $<<$ std::setw$(20)<<$ "Mean Bid Price" $<<$ "Mean Ask Price" $<<$ std::endl;

for $($const auto& entry : meanPrices$)\{$

std::cout $<<$ std::setw$(20)<<$ entry.first $<<$ std::setw$(20)<<$ entry.second.first $<<$ entry.second.second $<<$ std::endl;

$\}$

return $0$;

$\}$

so for some reason the output doesnt want to take the info from my csv file and idk why so it just outputs an empty table of Product Mean Bid Price Mean Ask Price

would appreciate any quick fix $<3$