183402/what-is-the-name-of-the-and-operators-duplicate
According to cplusplus.com's documentation:
This operator (<<) applied to an output stream is known as insertion operator. ...
This operator (<<) applied to an output stream is known as insertion operator.
...
And from the same website
This operator (>>) applied to an input stream is known as extraction operator.
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The ordered and unordered map containers (std::map and std::unordered map) are included in the standard library. The items in an ordered map are sorted by key, and insert and access are in O (log n). For ordered maps, the standard library often use red black trees. However, this is only an implementation detail. Insert and access are in O in an unordered map (1). It is simply another term for a hashtable. An illustration using (ordered) std::map: #include <map> #include <iostream> #include <cassert> int main(int argc, char ...READ MORE
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