Odpowiedź:
Z biblioteki <string>:
- stod
- stof
- stoi
- stol
- stold
- stoll
- stoul
- stoull
- to_string
- to_wstring
- append
- assign
- at
- back
- begin
- capacity
- cbegin
- cend
- clear
- compare
- copy
- crbegin
- crend
- c_str
- data
- empty
- end
- erase
- find
- find_first_not_of
- find_first_of
- find_last_not_of
- find_last_of
- front
- get_allocator
- insert
- length
- max_size
- pop_back
- push_back
- rbegin
- rend
- replace
- reserve
- resize
- rfind
- shrink_to_fit
- size
- substr
- swap
Wyjaśnienie
Sporo tego...
Właściwie należałoby jeszcze dodać operatory
