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
Nov 29, 2024 16:03	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 28, 2024 16:26	Haha Expert	CSHARP9.0.0-rc.2	Success	1,915,338
Nov 28, 2024 16:15	Haha Expert	CSHARP9.0.0-rc.2	Success	1,950,221
Nov 28, 2024 16:12	Haha Expert	CSHARP9.0.0-rc.2	Success	1,976,330
Nov 28, 2024 16:00	Haha Expert	CSHARP9.0.0-rc.2	Success	1,653,617
Nov 28, 2024 15:58	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 27, 2024 11:23	Haha Expert	CSHARP9.0.0-rc.2	Success	1,637,494
Nov 27, 2024 11:02	Haha Expert	CSHARP9.0.0-rc.2	Success	1,627,352
Nov 27, 2024 11:00	Haha Expert	CSHARP9.0.0-rc.2	Success	1,633,951
Nov 27, 2024 10:53	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 27, 2024 08:53	Haha Expert	CSHARP9.0.0-rc.2	Success	1,626,886
Nov 27, 2024 08:50	Haha Expert	CSHARP9.0.0-rc.2	Success	1,612,701+0.67 RP
Nov 27, 2024 07:30	Haha Expert	CSHARP9.0.0-rc.2	Success	1,809,408
Nov 27, 2024 07:27	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 27, 2024 05:22	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 27, 2024 05:20	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 27, 2024 05:18	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 27, 2024 05:15	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 27, 2024 05:13	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 27, 2024 05:06	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 27, 2024 00:37	Joad Nacer	CPPg++13.2.0	Error
Nov 26, 2024 07:58	Matt Stuchlik	CPPclang++18.1.3	Success	15,416
Nov 26, 2024 07:55	Matt Stuchlik	CPPclang++18.1.3	Success	9,733
Nov 26, 2024 07:54	Matt Stuchlik	CPPclang++18.1.3	Success	11,562
Nov 26, 2024 07:52	Matt Stuchlik	CPPclang++18.1.3	Success	17,046
Nov 26, 2024 07:50	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 25, 2024 12:23	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 23, 2024 17:05	E Sequeira	CPPg++13.2.0	Error
Nov 23, 2024 10:55	E Sequeira	CPPg++13.2.0	Error
Nov 23, 2024 10:53	E Sequeira	CPPg++13.2.0	Error
Nov 23, 2024 10:52	E Sequeira	CPPg++13.2.0	Error
Nov 23, 2024 10:52	E Sequeira	CPPclang++18.1.3	Error
Nov 23, 2024 10:49	E Sequeira	CPPclang++18.1.3	Success	118,956
Nov 23, 2024 10:49	E Sequeira	CPPg++13.2.0	Success	116,080
Nov 23, 2024 10:47	E Sequeira	CPPg++13.2.0	Error
Nov 23, 2024 10:47	E Sequeira	CPPg++13.2.0	Error
Nov 23, 2024 10:43	E Sequeira	CPPg++13.2.0	Error
Nov 23, 2024 10:42	E Sequeira	CPPg++13.2.0	Error
Nov 23, 2024 10:41	E Sequeira	CPPclang++18.1.3	Error
Nov 23, 2024 10:39	E Sequeira	CPPclang++18.1.3	Error
Nov 22, 2024 10:46	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 22, 2024 09:49	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 22, 2024 09:27	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 22, 2024 05:41	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 22, 2024 05:27	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 20, 2024 19:34	Joad Nacer	CPPg++13.2.0	Error
Nov 20, 2024 19:34	Joad Nacer	CPPg++13.2.0	Error
Nov 20, 2024 19:32	Joad Nacer	CPPg++13.2.0	Error
Nov 20, 2024 19:30	Joad Nacer	CPPg++13.2.0	Error
Nov 20, 2024 17:16	Joad Nacer	CPPg++13.2.0	Error
Nov 20, 2024 17:02	Joad Nacer	CPPclang++18.1.3	Error
Nov 20, 2024 17:00	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 20, 2024 16:56	Joad Nacer	CPPg++13.2.0	Error
Nov 20, 2024 16:53	Joad Nacer	CPPg++13.2.0	Error
Nov 20, 2024 16:48	Joad Nacer	CPPg++13.2.0	Success	6,542+179.42 RP
Nov 20, 2024 16:40	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 20, 2024 16:40	Joad Nacer	CPPg++13.2.0	Error
Nov 20, 2024 16:37	Joad Nacer	CPPg++13.2.0	Error
Nov 20, 2024 16:36	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 20, 2024 16:30	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 20, 2024 16:29	Joad Nacer	CPPclang++18.1.3	Success	8,098
Nov 20, 2024 16:27	Joad Nacer	CPPg++13.2.0	Success	8,088
Nov 20, 2024 16:19	Joad Nacer	CPPclang++18.1.3	Error
Nov 20, 2024 16:17	Joad Nacer	CPPg++9.4.0	Error
Nov 20, 2024 16:16	Joad Nacer	CPPg++9.4.0	Success	8,063
Nov 20, 2024 16:14	Joad Nacer	CPPg++9.4.0	Error
Nov 17, 2024 17:10	ndbn	ZIG0.13.0	Success	1,079,485
Nov 17, 2024 17:02	ndbn	ZIG0.13.0	Success	1,074,145+5.86 RP
Nov 17, 2024 13:17	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 17, 2024 13:13	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 17, 2024 13:11	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 17, 2024 12:55	Dan Stolyarov	CPPclang++18.1.3	Success	975,016+10.26 RP
Nov 16, 2024 21:07	ndbn	ZIG0.13.0	Error
Nov 16, 2024 20:55	ndbn	ZIG0.13.0	Error
Nov 16, 2024 20:35	ndbn	ZIG0.13.0	Success	1,567,732+6.38 RP
Nov 16, 2024 20:18	ndbn	ZIG0.13.0	Error
Nov 15, 2024 03:45	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 15, 2024 03:30	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 15, 2024 03:28	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 14, 2024 09:28	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 14, 2024 09:28	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 14, 2024 08:44	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 14, 2024 08:31	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 14, 2024 08:29	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 13, 2024 11:06	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 11:05	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 11:03	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 11:01	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 10:54	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 10:49	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 10:47	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 10:46	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 10:45	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 10:30	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 10:09	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 06:07	Haha Expert	CSHARP9.0.0-rc.2	Error
Nov 13, 2024 03:22	Matt Stuchlik	CPPclang++18.1.3	Error
Nov 13, 2024 03:17	Matt Stuchlik	CPPclang++18.1.3	Success	33,645
Nov 13, 2024 03:17	Matt Stuchlik	CPPclang++18.1.3	Success	26,563
Nov 12, 2024 07:23	E Sequeira	CPPg++13.2.0	Error

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