↩ 🔵 🔵 🔵 ❪֎ₛₜ❫ C++ Standard Library ○ ❪֎ₛₜ❫ ﹤algorithm﹥ Lexicon ○ ❪֎ₛₜ❫ ﹤iomanip﹥ Lexicon ○ ❪֎ₛₜ❫ ﹤iostream﹥ Lexicon ○ ❪֎ₛₜ❫ ﹤istream﹥ Lexicon ○ ❪֎ₛₜ❫ ﹤string﹥ Lexicon ○