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New posts in std
Why rehash has quadratic complexity, but operator [] has linear complexity in worst case?
Jan 31, 2026
c++
time-complexity
std
unordered-map
C++ STL: most efficient way to erase the last / first n elements of a std::deque
Feb 01, 2026
c++
performance
stl
std
deque
c++ std::sort unexpected behaviour (Runtime Error)
Jan 30, 2026
algorithm
sorting
c++11
runtime-error
std
Standard overloaded std::abs doesn't match std::function<double (double)>
Jan 28, 2026
c++
macos
g++
std
Wrong use of std::copy?
Jan 28, 2026
c++
std
Is it Undefined Behavior to backport namespace std features to older C++ versions?
Jan 27, 2026
c++
language-lawyer
std
undefined-behavior
std::unique() algorithm returns clearly non-unique results [duplicate]
Jan 25, 2026
c++
std
unique
Vector is not a member of std with everything included
Jan 25, 2026
c++
c++11
vector
stl
std
How to insert std::vector or array to a std::forward_list without using any loop?
Jan 23, 2026
c++
algorithm
stdvector
std
forward-list
What happens when you give a null string to a C standard function?
Jan 21, 2026
c
string
null
std
Very slow performance of my custom use of std::unordered_map
Jan 19, 2026
c++
stl
unordered-map
std
To forward or move or not; how to determine which is preferred within the context of a class's usage?
Jan 20, 2026
c++
c++17
std
move-semantics
perfect-forwarding
Why can't the free function begin operate on C arrays while std::begin can in C++14 in some cases? [duplicate]
Jan 19, 2026
c++
namespaces
c++14
std
Documentation for std::basic_filebuf::seekpos
Jan 02, 2026
c++
language-lawyer
std
Iterator for a custom unbound array
Jan 01, 2026
c++
stl
iterator
std
Is `int(int) const` a valid function type in C++23?
Jan 01, 2026
c++
function
std
standards
function-signature
std::future::get() does not catch the exception when the async function throws and program crashes
Jan 01, 2026
c++
get
std
future
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