| Header | Content |
|---|---|
| iostream | It is used as a stream of Input and Output using cin and cout. |
| iomanip | It is used to access the set() and setprecision() functions to limit the decimal places in variables. |
| fstream | It is used to control the data to read from a file as an input and data to write into the file as an output. |
| algorithm | It contains some useful algorithms which are part of STL. |
| new | It contains dynamic memory allocation methods. |
| vector | It contains the definition of the vector class container of STL. |
| map | It contains the definition of the map class container of STL. |
| sstream | String stream |
| fstream | File stream |
| functional | Some funcional operator as plus equal, etc |
| tuple | contains std::tie used for lexical ordering |
| cstdio | printf |
bits/stdc++.h
/usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h /usr/include/c++/11/functional https://en.cppreference.com/w/cpp/header/functional