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
Jun 13, 2021 20:41	Yuriy Lyfenko	CPP	Success	6,767
Jun 13, 2021 20:35	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 20:28	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 19:48	Yurkov Aleksey	CPP	Success	83,887
Jun 13, 2021 19:34	Yurkov Aleksey	CPP	Success	133,430
Jun 13, 2021 18:44	Yurkov Aleksey	CPP	Success	41,996
Jun 13, 2021 18:44	Yurkov Aleksey	CPP	Success	39,334+7.43 RP
Jun 13, 2021 18:43	Yurkov Aleksey	CPP	Success	44,518
Jun 13, 2021 18:42	Yurkov Aleksey	CPP	Success	41,335
Jun 13, 2021 18:42	Yurkov Aleksey	CPP	Success	42,468
Jun 13, 2021 18:16	Yurkov Aleksey	CPP	Success	40,518+3.39 RP
Jun 13, 2021 18:05	Yurkov Aleksey	CPP	Success	132,488
Jun 13, 2021 18:03	Yurkov Aleksey	CPP	Success	41,612
Jun 13, 2021 18:03	Yurkov Aleksey	CPP	Success	41,082+6.26 RP
Jun 13, 2021 17:58	Yurkov Aleksey	CPP	Success	97,223
Jun 13, 2021 17:55	Yurkov Aleksey	CPP	Success	74,451
Jun 13, 2021 17:51	Yurkov Aleksey	CPP	Success	42,166+74.03 RP
Jun 13, 2021 17:02	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 17:01	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 17:00	Yuriy Lyfenko	CPP	Success	6,734+217.08 RP
Jun 13, 2021 16:57	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:56	Yuriy Lyfenko	CPP	Success	7,265+74.48 RP
Jun 13, 2021 16:54	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:53	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:50	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:48	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:45	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:42	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:42	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:41	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:40	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:39	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 16:30	Yurkov Aleksey	CPP	Success	61,303+34.93 RP
Jun 13, 2021 15:59	Sergey Stremin	RUST	Success	19,831
Jun 13, 2021 15:51	Yurkov Aleksey	CPP	Success	85,218
Jun 13, 2021 15:50	Yurkov Aleksey	CPP	Success	114,390
Jun 13, 2021 15:48	Yurkov Aleksey	CPP	Success	93,671
Jun 13, 2021 15:45	Yurkov Aleksey	CPP	Success	92,950
Jun 13, 2021 15:44	Yurkov Aleksey	CPP	Success	91,687
Jun 13, 2021 15:41	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 15:39	Yurkov Aleksey	CPP	Success	84,103
Jun 13, 2021 15:23	Yurkov Aleksey	CPP	Success	107,512
Jun 13, 2021 15:17	Yurkov Aleksey	CPP	Success	82,622
Jun 13, 2021 15:15	Yurkov Aleksey	CPP	Success	91,902
Jun 13, 2021 15:08	Yurkov Aleksey	CPP	Error
Jun 13, 2021 11:51	Yurkov Aleksey	CPP	Success	102,569
Jun 13, 2021 11:33	Yurkov Aleksey	CPP	Success	90,640
Jun 13, 2021 11:28	Yurkov Aleksey	CPP	Success	103,726
Jun 13, 2021 11:26	Yurkov Aleksey	CPP	Success	78,008+30.74 RP
Jun 13, 2021 10:56	Yurkov Aleksey	CPP	Success	103,957
Jun 13, 2021 10:54	Yurkov Aleksey	CPP	Success	103,952
Jun 13, 2021 10:28	Yurkov Aleksey	CPP	Success	338,157
Jun 13, 2021 10:02	Yurkov Aleksey	CPP	Error
Jun 13, 2021 09:55	Yurkov Aleksey	CPP	Error
Jun 13, 2021 09:32	Yurkov Aleksey	CPP	Error
Jun 13, 2021 09:11	Yurkov Aleksey	CPP	Success	102,619+87.22 RP
Jun 13, 2021 08:58	Yurkov Aleksey	CPP	Error
Jun 13, 2021 08:53	Yurkov Aleksey	CPP	Success	1,343,554
Jun 13, 2021 08:52	Yurkov Aleksey	CPP	Error
Jun 13, 2021 08:47	Yurkov Aleksey	CPP	Error
Jun 13, 2021 08:42	Yurkov Aleksey	CPP	Error
Jun 13, 2021 08:35	Yurkov Aleksey	CPP	Error
Jun 13, 2021 08:32	Yurkov Aleksey	CPP	Error
Jun 13, 2021 08:15	Yurkov Aleksey	CPP	Success	977,618+10.23 RP
Jun 13, 2021 07:51	Sergey Stremin	RUST	Success	19,540+590.36 RP
Jun 13, 2021 07:04	Sergey Stremin	RUST	Success	58,948
Jun 13, 2021 06:32	Sergey Stremin	RUST	Success	62,682
Jun 13, 2021 06:30	Sergey Stremin	RUST	Success	247,775
Jun 13, 2021 05:33	Yuriy Lyfenko	CPP	Success	7,467+280.66 RP
Jun 13, 2021 05:32	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 05:28	Yuriy Lyfenko	CPP	Success	8,785
Jun 13, 2021 05:21	Yuriy Lyfenko	CPP	Success	8,414
Jun 13, 2021 05:21	Yuriy Lyfenko	CPP	Success	14,924
Jun 13, 2021 05:19	Yuriy Lyfenko	CPP	Success	8,341+1'778.64 RP
Jun 13, 2021 05:18	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 04:57	Yuriy Lyfenko	CPP	Success	45,839
Jun 13, 2021 04:54	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 04:51	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 04:48	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 04:47	Yuriy Lyfenko	CPP	Error
Jun 13, 2021 03:40	Yuriy Lyfenko	CPP	Success	45,304
Jun 13, 2021 03:35	Yuriy Lyfenko	CPP	Success	47,109
Jun 12, 2021 23:11	Yuriy Lyfenko	CPP	Success	44,569
Jun 12, 2021 23:10	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 23:08	Yuriy Lyfenko	CPP	Success	44,893
Jun 12, 2021 23:06	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 23:05	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 23:00	Yuriy Lyfenko	CPP	Success	46,402
Jun 12, 2021 22:58	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:57	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:55	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:53	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:51	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:43	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:42	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:36	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:35	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:32	Yuriy Lyfenko	CPP	Error
Jun 12, 2021 22:27	Yuriy Lyfenko	GO	Success	54,679+8.71 RP
Jun 12, 2021 22:25	Yuriy Lyfenko	GO	Success	59,744

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