Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 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
Aug 29, 2026 11:45	Navneet Raj	CPPg++10.5.0	Success	4,327
Aug 29, 2026 11:40	Navneet Raj	CPPg++10.5.0	Success	4,324+324.21 RP
Aug 28, 2026 18:32	Navneet Raj	CPPg++10.5.0	Success	10,883
Aug 28, 2026 18:28	Navneet Raj	CPPg++10.5.0	Success	5,118
Aug 28, 2026 18:27	Navneet Raj	CPPg++10.5.0	Success	5,234
Aug 28, 2026 18:26	Navneet Raj	CPPg++10.5.0	Success	5,134
Aug 28, 2026 18:13	Navneet Raj	CPPg++10.5.0	Success	5,029+21.90 RP
Aug 28, 2026 18:09	Navneet Raj	CPPg++10.5.0	Success	5,085+18.01 RP
Aug 28, 2026 17:30	Navneet Raj	CPPg++14.2.0	Success	5,150
Aug 28, 2026 17:29	Navneet Raj	CPPg++14.2.0	Success	5,162
Aug 28, 2026 17:20	Navneet Raj	CPPg++10.5.0	Success	5,155
Aug 28, 2026 17:19	Navneet Raj	CPPg++10.5.0	Success	5,316
Aug 28, 2026 17:16	Navneet Raj	CPPg++10.5.0	Success	5,142
Aug 28, 2026 17:06	Navneet Raj	CPPg++10.5.0	Success	5,132+5.30 RP
Aug 28, 2026 17:02	Navneet Raj	CPPg++10.5.0	Success	5,146+684.45 RP
Aug 28, 2026 12:14	Ryan Chung Yi Sheng	CPPg++10.5.0	Success	4,337+1.59 RP
Aug 28, 2026 10:47	Ryan Chung Yi Sheng	CPPg++10.5.0	Success	11,320
Aug 28, 2026 10:26	Ryan Chung Yi Sheng	CPPg++10.5.0	Success	4,344
Aug 28, 2026 10:25	Ryan Chung Yi Sheng	CPPg++10.5.0	Success	4,340+66.51 RP
Aug 28, 2026 10:21	Ryan Chung Yi Sheng	CPPg++10.5.0	Success	4,607
Aug 28, 2026 09:35	Ryan Chung Yi Sheng	CPPg++10.5.0	Success	4,469+96.77 RP
Aug 27, 2026 19:17	Aniruddha Deb	CPPg++14.2.0	Success	3,929+1.30 RP
Aug 27, 2026 19:08	Aniruddha Deb	CPPg++14.2.0	Success	3,975
Aug 27, 2026 19:04	Aniruddha Deb	CPPg++14.2.0	Success	3,930+5.18 RP
Aug 27, 2026 19:01	Aniruddha Deb	CPPg++14.2.0	Success	11,808
Aug 27, 2026 18:57	Aniruddha Deb	CPPg++14.2.0	Success	208,585
Aug 27, 2026 18:54	Aniruddha Deb	CPPg++13.3.0	Success	3,985
Aug 27, 2026 18:50	Aniruddha Deb	CPPg++14.2.0	Success	3,934+44.13 RP
Aug 27, 2026 18:47	Aniruddha Deb	CPPg++14.2.0	Success	4,739
Aug 27, 2026 18:41	Aniruddha Deb	CPPg++14.2.0	Success	219,837
Aug 27, 2026 18:38	Aniruddha Deb	CPPg++14.2.0	Success	17,462
Aug 27, 2026 18:32	Aniruddha Deb	CPPg++14.2.0	Success	205,575
Aug 27, 2026 18:28	Aniruddha Deb	CPPg++14.2.0	Success	3,985
Aug 27, 2026 08:39	Haha Expert	CSHARP10.0.11	Success	21,687
Aug 27, 2026 08:33	Haha Expert	CSHARP10.0.11	Error
Aug 26, 2026 17:09	Ryan Chung Yi Sheng	CPPg++10.5.0	Success	4,671+196.10 RP
Aug 26, 2026 17:08	Ryan Chung Yi Sheng	CPPg++10.5.0	Error
Aug 26, 2026 17:05	Ryan Chung Yi Sheng	CPPg++10.5.0	Error
Aug 24, 2026 18:17	Navneet Raj	CPPg++14.2.0	Success	8,004
Aug 24, 2026 18:03	Navneet Raj	CPPg++10.5.0	Success	7,944+0.32 RP
Aug 24, 2026 18:00	Navneet Raj	CPPg++10.5.0	Error
Aug 24, 2026 17:57	Navneet Raj	CPPg++10.5.0	Success	8,051
Aug 24, 2026 17:56	Navneet Raj	CPPg++10.5.0	Success	7,946+650.00 RP
Aug 24, 2026 17:47	Navneet Raj	CPPg++10.5.0	Success	16,434+409.31 RP
Aug 24, 2026 17:38	Navneet Raj	CPPg++10.5.0	Success	50,204+1.93 RP
Aug 24, 2026 17:22	Navneet Raj	CPPg++14.2.0	Success	50,774
Aug 24, 2026 16:56	Navneet Raj	CPPg++10.5.0	Success	50,694+202.26 RP
Aug 24, 2026 02:04	Andrew Epstein	CPPg++14.2.0	Success	4,436
Aug 24, 2026 01:26	Andrew Epstein	CPPg++14.2.0	Success	4,278+498.88 RP
Aug 23, 2026 15:00	Andrew Epstein	CPPg++14.2.0	Success	5,424+1'646.47 RP
Aug 22, 2026 15:02	Aniruddha Deb	CPPg++14.2.0	Success	216,578
Aug 22, 2026 14:57	Aniruddha Deb	CPPg++14.2.0	Success	205,434
Aug 22, 2026 07:29	Aniruddha Deb	CPPg++14.2.0	Success	4,260
Aug 22, 2026 07:28	Aniruddha Deb	CPPg++14.2.0	Success	4,401
Aug 22, 2026 07:27	Aniruddha Deb	CPPg++14.2.0	Success	209,906
Aug 21, 2026 22:11	Aniruddha Deb	CPPg++14.2.0	Success	192,816
Aug 21, 2026 22:07	Aniruddha Deb	CPPg++14.2.0	Success	192,659
Aug 21, 2026 18:42	Nao Yonashiro	CPPg++14.2.0	Success	4,193
Aug 21, 2026 17:13	Aniruddha Deb	CPPg++14.2.0	Success	3,988
Aug 21, 2026 16:07	Aniruddha Deb	CPPg++14.2.0	Success	3,993
Aug 21, 2026 15:44	Andrew Epstein	CPPg++14.2.0	Success	50,712+193.24 RP
Aug 21, 2026 14:53	Aniruddha Deb	CPPg++14.2.0	Success	3,988
Aug 21, 2026 14:19	Nao Yonashiro	CPPg++14.2.0	Success	4,180
Aug 21, 2026 14:08	Nao Yonashiro	CPPg++13.3.0	Success	4,180+9.69 RP
Aug 21, 2026 14:06	Nao Yonashiro	CPPg++13.3.0	Success	4,197+19.15 RP
Aug 21, 2026 13:58	Nao Yonashiro	CPPg++13.3.0	Error
Aug 21, 2026 13:52	Aniruddha Deb	CPPg++14.2.0	Success	3,985
Aug 21, 2026 12:47	Aniruddha Deb	CPPg++14.2.0	Success	3,983+0.63 RP
Aug 21, 2026 11:46	Aniruddha Deb	CPPg++14.2.0	Success	3,989
Aug 21, 2026 10:41	Aniruddha Deb	CPPg++14.2.0	Success	3,985
Aug 21, 2026 10:41	Aniruddha Deb	CPPg++14.2.0	Success	3,995
Aug 21, 2026 10:39	Aniruddha Deb	CPPg++14.2.0	Success	3,988
Aug 21, 2026 10:38	Aniruddha Deb	CPPg++14.2.0	Success	3,991
Aug 21, 2026 10:37	Aniruddha Deb	CPPg++14.2.0	Success	3,986
Aug 21, 2026 10:35	Aniruddha Deb	CPPg++14.2.0	Success	3,985
Aug 21, 2026 10:33	Aniruddha Deb	CPPg++14.2.0	Success	3,989
Aug 21, 2026 10:32	Aniruddha Deb	CPPg++14.2.0	Success	3,987
Aug 21, 2026 10:31	Aniruddha Deb	CPPg++14.2.0	Success	3,985
Aug 21, 2026 10:29	Aniruddha Deb	CPPg++14.2.0	Success	3,987
Aug 21, 2026 10:28	Aniruddha Deb	CPPg++14.2.0	Success	3,989
Aug 21, 2026 10:27	Aniruddha Deb	CPPg++14.2.0	Success	3,991
Aug 21, 2026 10:25	Aniruddha Deb	CPPg++14.2.0	Success	3,985
Aug 21, 2026 10:24	Aniruddha Deb	CPPg++14.2.0	Success	3,984+0.63 RP
Aug 21, 2026 10:22	Aniruddha Deb	CPPg++14.2.0	Success	3,987
Aug 21, 2026 10:21	Aniruddha Deb	CPPg++14.2.0	Success	3,985
Aug 21, 2026 10:20	Aniruddha Deb	CPPg++14.2.0	Success	3,988
Aug 21, 2026 10:18	Aniruddha Deb	CPPg++14.2.0	Success	3,988
Aug 21, 2026 10:17	Aniruddha Deb	CPPg++14.2.0	Success	3,998
Aug 21, 2026 10:15	Aniruddha Deb	CPPg++14.2.0	Success	3,988
Aug 21, 2026 10:14	Aniruddha Deb	CPPg++14.2.0	Success	3,990
Aug 21, 2026 09:30	Aniruddha Deb	CPPg++14.2.0	Success	3,985
Aug 21, 2026 08:25	Aniruddha Deb	CPPg++14.2.0	Success	3,985+0.63 RP
Aug 21, 2026 07:20	Aniruddha Deb	CPPg++14.2.0	Success	3,986+1.26 RP
Aug 21, 2026 06:10	Aniruddha Deb	CPPg++14.2.0	Success	3,993
Aug 21, 2026 05:17	Aniruddha Deb	CPPg++14.2.0	Success	3,991
Aug 21, 2026 05:15	Aniruddha Deb	CPPg++14.2.0	Success	192,686
Aug 21, 2026 02:23	Aniruddha Deb	CPPg++14.2.0	Success	3,994
Aug 21, 2026 01:15	Aniruddha Deb	CPPg++14.2.0	Success	3,997
Aug 21, 2026 00:07	Aniruddha Deb	CPPg++14.2.0	Success	3,999
Aug 20, 2026 22:59	Aniruddha Deb	CPPg++14.2.0	Success	3,994

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