Blue color from RGB

Extract the Blue channel from a stream of RGB pixels as fast as possible.

Input: 150 000 000 pixels in binary RGB format on STDIN (3 bytes per pixel: R, G, B).

Output: Write only the Blue byte of each pixel to STDOUT (150 000 000 bytes total).

Restrictions:30s256Mb 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
Oct 24, 2026 04:08	zayd-ansari-code	CPPg++10.5.0	Success	131,057+5.00 RP
Oct 23, 2026 13:41	C21	CPPclang++20.1.2	Success	4,434+2'255.30 RP
Oct 21, 2026 13:33	highload-churner	CPPclang++18.1.3	Success	2,695
Oct 21, 2026 13:32	highload-churner	CPPclang++18.1.3	Success	2,709
Oct 21, 2026 13:31	highload-churner	CPPclang++18.1.3	Success	2,710
Oct 21, 2026 13:28	highload-churner	CPPclang++18.1.3	Success	2,692+6.89 RP
Oct 21, 2026 13:27	highload-churner	CPPclang++18.1.3	Success	2,697
Oct 21, 2026 10:02	highload-churner	CPPclang++18.1.3	Success	2,696
Oct 21, 2026 10:00	highload-churner	CPPclang++18.1.3	Success	2,696+2.75 RP
Oct 21, 2026 10:00	highload-churner	CPPclang++18.1.3	Success	2,699
Oct 21, 2026 09:56	highload-churner	CPPclang++18.1.3	Success	2,698
Oct 21, 2026 09:55	highload-churner	CPPclang++18.1.3	Success	2,831
Oct 21, 2026 09:51	highload-churner	CPPclang++18.1.3	Success	2,701
Oct 21, 2026 09:50	highload-churner	CPPclang++18.1.3	Success	2,703
Oct 21, 2026 09:49	highload-churner	CPPclang++18.1.3	Success	2,699
Oct 21, 2026 09:49	highload-churner	CPPclang++18.1.3	Success	2,701
Oct 21, 2026 09:48	highload-churner	CPPclang++18.1.3	Success	2,699
Oct 21, 2026 09:48	highload-churner	CPPclang++18.1.3	Success	2,701
Oct 21, 2026 09:46	highload-churner	CPPclang++18.1.3	Success	2,702
Oct 21, 2026 09:46	highload-churner	CPPclang++18.1.3	Success	2,703
Oct 21, 2026 09:45	highload-churner	CPPclang++18.1.3	Success	2,698+4.12 RP
Oct 21, 2026 09:43	highload-churner	CPPclang++18.1.3	Success	2,709
Oct 21, 2026 09:42	highload-churner	CPPclang++18.1.3	Success	2,701+5.47 RP
Oct 21, 2026 09:42	highload-churner	CPPclang++18.1.3	Success	2,727
Oct 21, 2026 09:41	highload-churner	CPPclang++20.1.2	Success	2,713
Oct 21, 2026 09:40	highload-churner	CPPclang++19.1.1	Success	2,713
Oct 21, 2026 09:38	highload-churner	CPPclang++18.1.3	Success	2,735
Oct 21, 2026 09:38	highload-churner	CPPclang++18.1.3	Success	2,717
Oct 21, 2026 09:37	highload-churner	CPPclang++18.1.3	Success	2,712
Oct 21, 2026 09:35	highload-churner	CPPclang++18.1.3	Success	2,705+13.62 RP
Oct 21, 2026 09:34	highload-churner	CPPclang++18.1.3	Success	2,715+56.11 RP
Oct 21, 2026 09:23	highload-churner	CPPclang++18.1.3	Success	2,817
Oct 21, 2026 09:22	highload-churner	CPPclang++18.1.3	Success	2,795
Oct 21, 2026 09:18	highload-churner	CPPclang++18.1.3	Success	2,858
Oct 21, 2026 09:13	highload-churner	CPPclang++20.1.2	Success	2,763
Oct 21, 2026 09:08	highload-churner	CPPclang++19.1.1	Success	2,760
Oct 21, 2026 09:04	highload-churner	CPPclang++18.1.3	Success	3,021
Oct 21, 2026 09:03	highload-churner	CPPclang++18.1.3	Success	2,995
Oct 21, 2026 09:01	highload-churner	CPPclang++18.1.3	Success	2,926
Oct 21, 2026 08:57	highload-churner	CPPclang++18.1.3	Success	2,823
Oct 21, 2026 08:56	highload-churner	CPPclang++18.1.3	Success	2,807
Oct 21, 2026 08:54	highload-churner	CPPclang++18.1.3	Success	2,772
Oct 21, 2026 08:50	highload-churner	CPPclang++18.1.3	Success	2,927
Oct 21, 2026 08:48	highload-churner	CPPg++13.3.0	Success	2,819
Oct 21, 2026 08:48	highload-churner	CPPg++14.2.0	Success	2,793
Oct 21, 2026 08:46	highload-churner	CPPclang++18.1.3	Success	3,548
Oct 21, 2026 08:45	highload-churner	CPPclang++18.1.3	Success	3,009
Oct 21, 2026 08:44	highload-churner	CPPclang++18.1.3	Success	3,305
Oct 21, 2026 08:42	highload-churner	CPPclang++18.1.3	Success	4,671
Oct 21, 2026 08:40	highload-churner	CPPclang++18.1.3	Success	2,757
Oct 21, 2026 08:39	highload-churner	CPPclang++18.1.3	Success	2,820
Oct 21, 2026 08:35	highload-churner	CPPclang++18.1.3	Success	2,774
Oct 21, 2026 08:30	highload-churner	CPPclang++18.1.3	Success	2,867
Oct 21, 2026 08:29	highload-churner	CPPclang++18.1.3	Success	2,757+15.72 RP
Oct 21, 2026 08:29	highload-churner	CPPclang++18.1.3	Success	2,776
Oct 21, 2026 08:24	highload-churner	CPPclang++18.1.3	Success	2,770
Oct 21, 2026 08:19	highload-churner	CPPclang++18.1.3	Success	2,937
Oct 21, 2026 08:15	highload-churner	CPPclang++18.1.3	Success	2,769+163.14 RP
Oct 21, 2026 07:22	highload-churner	CPPclang++18.1.3	Success	2,902
Oct 21, 2026 07:18	highload-churner	CPPclang++18.1.3	Success	2,902
Oct 21, 2026 07:13	highload-churner	CPPclang++18.1.3	Success	2,900
Oct 21, 2026 07:12	highload-churner	CPPclang++18.1.3	Success	2,911
Oct 21, 2026 07:08	highload-churner	CPPclang++18.1.3	Success	2,905
Oct 21, 2026 07:00	highload-churner	CPPclang++18.1.3	Success	2,900+13.03 RP
Oct 21, 2026 06:55	highload-churner	CPPclang++19.1.1	Success	2,912
Oct 21, 2026 06:51	highload-churner	CPPclang++20.1.2	Success	2,915
Oct 21, 2026 06:50	highload-churner	CPPclang++18.1.3	Success	2,980
Oct 21, 2026 06:49	highload-churner	CPPclang++18.1.3	Success	2,932
Oct 21, 2026 06:48	highload-churner	CPPg++13.3.0	Success	136,501
Oct 21, 2026 06:38	highload-churner	CPPclang++18.1.3	Success	3,013
Oct 21, 2026 06:33	highload-churner	CPPclang++18.1.3	Success	3,114
Oct 21, 2026 06:23	highload-churner	CPPg++13.3.0	Success	49,760
Oct 21, 2026 06:20	highload-churner	CPPg++13.3.0	Success	166,283
Oct 21, 2026 06:18	highload-churner	CPPg++13.3.0	Success	166,158
Oct 21, 2026 06:11	highload-churner	CPPclang++18.1.3	Success	2,939
Oct 21, 2026 06:07	highload-churner	CPPclang++18.1.3	Success	2,911+5.89 RP
Oct 21, 2026 05:56	highload-churner	CPPg++13.3.0	Success	167,920
Oct 21, 2026 05:53	highload-churner	CPPclang++18.1.3	Success	3,001
Oct 21, 2026 05:52	highload-churner	CPPclang++18.1.3	Success	2,983
Oct 21, 2026 05:33	highload-churner	CPPg++13.3.0	Success	217,241
Oct 21, 2026 04:11	highload-churner	CPPg++13.3.0	Success	91,732
Oct 20, 2026 03:55	highload-churner	CPPg++13.3.0	Success	21,899
Oct 20, 2026 03:50	highload-churner	CPPclang++18.1.3	Success	2,917
Oct 20, 2026 03:42	highload-churner	CPPg++13.3.0	Success	58,332
Oct 20, 2026 03:26	highload-churner	CPPclang++18.1.3	Success	2,916+10.55 RP
Oct 20, 2026 03:14	highload-churner	CPPg++13.3.0	Success	17,595
Oct 20, 2026 03:06	highload-churner	CPPg++13.3.0	Success	41,984
Oct 20, 2026 02:58	highload-churner	CPPg++13.3.0	Success	48,457
Oct 20, 2026 02:54	highload-churner	CPPg++13.3.0	Success	17,435
Oct 20, 2026 02:24	highload-churner	CPPg++13.3.0	Success	107,693
Oct 20, 2026 02:15	highload-churner	CPPg++13.3.0	Success	63,073
Oct 20, 2026 02:02	highload-churner	CPPg++13.3.0	Success	3,122
Oct 20, 2026 01:44	highload-churner	CPPg++13.3.0	Success	2,927
Oct 20, 2026 01:41	highload-churner	CPPg++13.3.0	Success	5,958
Oct 20, 2026 01:26	highload-churner	CPPg++13.3.0	Success	111,293
Oct 20, 2026 01:06	highload-churner	CPPg++13.3.0	Success	190,339
Oct 20, 2026 00:43	highload-churner	CPPg++13.3.0	Success	92,898
Oct 19, 2026 13:54	highload-churner	CPPg++13.3.0	Success	71,813
Oct 19, 2026 13:46	highload-churner	CPPg++13.3.0	Success	73,973
Oct 19, 2026 13:44	highload-churner	CPPg++13.3.0	Success	2,925+1.17 RP

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