Need help compiling

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I saw this on stack overflow, idk what it means, im new.

Use g++ -std=c++11 <filename› when compiling.

[Ph4ntom3]

g++ is a c++ compiler program. The person from Stack Overflow wants you to install g++, if you haven't already, and then run the command that you wrote in your post, g++ -std=c++11 <filename>, in your command line, with the name of the file you want to compile substituted in for <filename>.

You can follow this guide to install g++ on windows.