−1 This would not solution the concern within the title, “When is #include library needed in C++?”. I assume that that will be OK While using the OP. But it's trouble when this query is utilized as referent for a close-as-copy of some other query. Nonetheless, from what I https://abcblogdirectory.com/listings949658/the-2-minute-rule-for-youtube-music-free-songs-playlist