They look cute

어제 문학산 정상에서

Blue archive anime next month, hell yeah (here’s some cool art)

Perhaps not the best solution (coincidentally I just switched to VSC yesterday too for a course), but it seems like a linker error where the compiler can't find greet.cpp in utils. after "g" inside "args"[] in tasks.json, try adding "${workspaceFolder}\\*.cpp",
"${workspaceFolder}\\utils\\*.cpp", 👍

Interesting take