You got me wrong, i didnt write that code. I dont know if its a IDE problem or something else, but i tried to add the iomanip library to my project and it just sent me to that page i screen shotted. I was watching one of those youtube tutotrials and the same code worked fine on another IDE. This is what i actually coded:
ios worked fine and if i type the library name wrong, it gives me an error on my acutal code page.