Median

Find the median of a stream of binary integers as fast as possible.

Input: 100 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The median value, printed as a decimal string. The median is defined as the element at index N/2 (i.e., a[50000000]) in the sorted array.

Restrictions:20s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.11	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Date	Author	Language	Status	Score
Jan 26, 2024 21:03	Jonathan Allen Grant	CPPg++9.4.0	Error
Jan 26, 2024 20:46	Jonathan Allen Grant	CPPg++9.4.0	Success	956,984+10.45 RP
Jan 23, 2024 16:38	AnSa	CPPg++9.4.0	Success	983,846+10.16 RP
Jan 17, 2024 23:02	pavelsonkin	CPPg++9.4.0	Success	958,085+10.44 RP
Jan 13, 2024 13:45	Andrey Likhachev	RUSTrust-1.73.0	Error
Jan 13, 2024 02:33	cashkaru	CPPg++9.4.0	Success	108,596
Jan 13, 2024 02:31	cashkaru	CPPg++9.4.0	Success	93,370+11.16 RP
Jan 13, 2024 02:28	cashkaru	CPPg++9.4.0	Success	104,230+16.00 RP
Jan 13, 2024 02:27	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 02:22	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 02:17	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 02:13	cashkaru	CPPg++9.4.0	Success	125,096+69.65 RP
Jan 13, 2024 02:07	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 01:41	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 01:40	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 01:38	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:51	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:50	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:49	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:48	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:46	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:46	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:45	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:44	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:42	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:42	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:41	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:34	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:33	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:31	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:30	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:29	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:09	cashkaru	CPPg++9.4.0	Success	975,386
Jan 13, 2024 00:06	cashkaru	CPPg++9.4.0	Success	972,328+0.14 RP
Jan 13, 2024 00:05	cashkaru	CPPg++9.4.0	Error
Jan 13, 2024 00:05	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:56	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:46	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:45	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:32	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:31	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:17	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:16	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:15	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:07	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:05	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:04	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:01	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 23:00	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 22:59	cashkaru	CPPg++9.4.0	Error
Jan 12, 2024 22:34	cashkaru	CPPg++9.4.0	Success	985,517+10.15 RP
Jan 12, 2024 22:32	cashkaru	CPPg++9.4.0	Error
Jan 5, 2024 14:42	Andrey Likhachev	RUSTrust-1.73.0	Error
Jan 5, 2024 14:39	Andrey Likhachev	RUSTrust-1.73.0	Error
Jan 5, 2024 14:34	Andrey Likhachev	RUSTrust-1.73.0	Success	349,698+28.60 RP
Jan 5, 2024 14:28	Andrey Likhachev	RUSTrust-1.73.0	Error
Jan 5, 2024 14:27	Andrey Likhachev	RUSTrust-1.73.0	Error
Jan 5, 2024 14:26	Andrey Likhachev	RUSTrust-1.73.0	Error
Jan 5, 2024 14:24	Andrey Likhachev	RUSTrust-1.73.0	Error
Dec 27, 2023 10:30	Oleg Kovalov	CPPclang++10.0.0	Success	962,231
Dec 21, 2023 10:40	Oleg Kovalov	GOgo1.21.5	Error
Dec 21, 2023 10:36	Oleg Kovalov	GOgo1.21.5	Error
Dec 21, 2023 10:32	Oleg Kovalov	CPPg++9.3.0	Success	959,225+10.43 RP
Dec 17, 2023 22:38	Yurkov Aleksey	CPPg++9.3.0	Success	32,581+5.94 RP
Dec 17, 2023 22:28	Yurkov Aleksey	CPPg++9.3.0	Success	33,224+46.75 RP
Dec 17, 2023 22:25	Yurkov Aleksey	CPPg++9.3.0	Success	46,036
Dec 17, 2023 09:14	Kenneth Maples	CPPg++9.3.0	Error
Dec 17, 2023 09:14	Kenneth Maples	CPPg++9.3.0	Success	6,149
Dec 17, 2023 09:12	Kenneth Maples	CPPg++9.3.0	Error
Dec 17, 2023 09:09	Kenneth Maples	CPPg++9.3.0	Success	6,054+78.98 RP
Dec 11, 2023 16:19	Oleg Kovalov	GOgo1.21.5	Error
Dec 11, 2023 16:17	Oleg Kovalov	GOgo1.21.5	Error
Nov 26, 2023 14:41	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 14:39	mmalczak	CPPg++9.3.0	Success	74,379
Nov 26, 2023 14:38	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 14:36	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 14:33	mmalczak	CPPg++9.3.0	Success	71,917+16.14 RP
Nov 26, 2023 14:32	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 14:31	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 14:29	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 14:28	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 14:21	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 08:52	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 08:45	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 08:40	mmalczak	CPPg++9.3.0	Error
Nov 26, 2023 08:35	mmalczak	CPPg++9.3.0	Success	81,358+6.59 RP
Nov 25, 2023 22:43	mmalczak	CPPg++9.3.0	Success	86,025
Nov 25, 2023 22:39	mmalczak	CPPg++9.3.0	Error
Nov 25, 2023 22:39	mmalczak	CPPg++9.3.0	Error
Nov 25, 2023 22:38	mmalczak	CPPg++9.3.0	Success	85,965+6.64 RP
Nov 25, 2023 22:37	mmalczak	CPPg++9.3.0	Error
Nov 25, 2023 22:36	mmalczak	CPPg++9.3.0	Success	91,165+40.90 RP
Nov 25, 2023 22:36	mmalczak	CPPg++9.3.0	Error
Nov 25, 2023 22:35	mmalczak	CPPg++9.3.0	Error
Nov 25, 2023 22:35	mmalczak	CPPg++9.3.0	Error
Nov 25, 2023 22:34	mmalczak	CPPg++9.3.0	Error
Nov 25, 2023 22:32	mmalczak	CPPg++9.3.0	Success	145,376+1.65 RP
Nov 25, 2023 22:31	mmalczak	CPPg++9.3.0	Success	150,055
Nov 25, 2023 20:19	mmalczak	CPPg++9.3.0	Success	148,949+8.07 RP
Nov 25, 2023 20:18	mmalczak	CPPg++9.3.0	Error

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1