container
- begin(), end()
- rbegin(), rend()
- size()
vector
Resizable array.
- Constructor: vector(), vector(size), vector(size, fill)
- push_back(val)
- pop_back()
list
Implements double-linked list.
- insert(it)
Insert before it. it == end(): insert at the end.
- erase(it)
Erase item at it. Return item after it.
string
- Constructor: string(size, fill)
- length()
- substr(begin), substr(begin, count)
Obtain a substring.
set / unordered_set
- insert(val)
- erase(val), erase(it)
- find(val)
Return it, or end() if not found
- count(val)
map
- insert(pair(key, val))
- at(key)
Return val, throws if missing.
- find(key)
Return it, or end() if not found
