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
Jul 26, 2026 10:18	Kevin Heavey	CPPg++13.3.0	Success	3,996
Jul 26, 2026 10:17	Kevin Heavey	CPPg++13.3.0	Success	4,011
Jul 26, 2026 10:17	Kevin Heavey	CPPg++13.3.0	Success	4,136
Jul 26, 2026 10:17	Kevin Heavey	CPPg++13.3.0	Success	4,125
Jul 26, 2026 10:17	Kevin Heavey	CPPg++13.3.0	Success	3,998
Jul 26, 2026 09:57	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:57	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:56	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:56	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:56	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:56	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:56	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:54	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:54	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:54	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:54	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:54	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:54	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:54	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 09:29	Kevin Heavey	CPPg++13.3.0	Success	4,001
Jul 26, 2026 09:29	Kevin Heavey	CPPg++13.3.0	Success	3,998
Jul 26, 2026 09:29	Kevin Heavey	CPPg++13.3.0	Success	3,990
Jul 26, 2026 09:29	Kevin Heavey	CPPg++13.3.0	Success	3,982
Jul 26, 2026 09:29	Kevin Heavey	CPPg++13.3.0	Success	4,001
Jul 26, 2026 09:29	Kevin Heavey	CPPg++13.3.0	Success	4,001
Jul 26, 2026 09:29	Kevin Heavey	CPPg++13.3.0	Success	3,998
Jul 26, 2026 09:29	Kevin Heavey	CPPg++13.3.0	Success	3,993
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	3,983
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	3,994
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	4,002
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	4,001
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	3,996
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	3,990
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	3,992
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	4,010
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	3,983
Jul 26, 2026 09:19	Kevin Heavey	CPPg++13.3.0	Success	4,011
Jul 26, 2026 09:00	Kevin Heavey	CPPg++13.3.0	Success	3,998
Jul 26, 2026 09:00	Kevin Heavey	CPPg++13.3.0	Success	3,992
Jul 26, 2026 09:00	Kevin Heavey	CPPg++13.3.0	Success	3,990
Jul 26, 2026 09:00	Kevin Heavey	CPPg++13.3.0	Success	3,989
Jul 26, 2026 09:00	Kevin Heavey	CPPg++13.3.0	Success	3,991
Jul 26, 2026 09:00	Kevin Heavey	CPPg++13.3.0	Success	3,987
Jul 26, 2026 09:00	Kevin Heavey	CPPg++13.3.0	Success	3,982
Jul 26, 2026 09:00	Kevin Heavey	CPPg++13.3.0	Success	3,991
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	3,989
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	3,996
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	3,995
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	3,997
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	4,005
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	4,006
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	4,000
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	3,993
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	3,983
Jul 26, 2026 08:35	Kevin Heavey	CPPg++13.3.0	Success	4,009
Jul 26, 2026 08:23	Kevin Heavey	CPPg++13.3.0	Success	3,994
Jul 26, 2026 08:23	Kevin Heavey	CPPg++13.3.0	Success	3,981
Jul 26, 2026 08:23	Kevin Heavey	CPPg++13.3.0	Success	3,991
Jul 26, 2026 08:17	Kevin Heavey	CPPg++13.3.0	Success	3,970+5.07 RP
Jul 26, 2026 08:17	Kevin Heavey	CPPg++13.3.0	Success	3,978+4.42 RP
Jul 26, 2026 08:16	Kevin Heavey	CPPg++13.3.0	Success	3,991
Jul 26, 2026 07:57	Kevin Heavey	CPPg++13.3.0	Success	3,987
Jul 26, 2026 07:57	Kevin Heavey	CPPg++13.3.0	Success	3,998
Jul 26, 2026 07:54	Kevin Heavey	CPPg++13.3.0	Success	3,990
Jul 26, 2026 07:54	Kevin Heavey	CPPg++13.3.0	Success	3,987
Jul 26, 2026 07:53	Kevin Heavey	CPPg++13.3.0	Success	3,986
Jul 26, 2026 07:53	Kevin Heavey	CPPg++13.3.0	Success	4,002
Jul 26, 2026 07:53	Kevin Heavey	CPPg++13.3.0	Success	3,991
Jul 26, 2026 07:53	Kevin Heavey	CPPg++13.3.0	Success	4,007
Jul 26, 2026 07:43	Kevin Heavey	CPPg++13.3.0	Success	4,032
Jul 26, 2026 07:43	Kevin Heavey	CPPg++13.3.0	Success	4,003
Jul 26, 2026 07:41	Kevin Heavey	CPPg++13.3.0	Success	4,022
Jul 26, 2026 07:41	Kevin Heavey	CPPg++13.3.0	Success	3,997
Jul 26, 2026 07:19	Kevin Heavey	CPPg++13.3.0	Success	3,993
Jul 26, 2026 07:19	Kevin Heavey	CPPg++13.3.0	Success	3,989
Jul 26, 2026 07:18	Kevin Heavey	CPPg++13.3.0	Success	3,997
Jul 26, 2026 07:18	Kevin Heavey	CPPg++13.3.0	Success	4,000
Jul 26, 2026 07:05	Kevin Heavey	CPPg++13.3.0	Success	4,000
Jul 26, 2026 07:05	Kevin Heavey	CPPg++13.3.0	Success	3,993
Jul 26, 2026 07:05	Kevin Heavey	CPPg++13.3.0	Success	3,994
Jul 26, 2026 07:05	Kevin Heavey	CPPg++13.3.0	Success	3,991
Jul 26, 2026 06:29	Kevin Heavey	CPPg++13.3.0	Success	4,007
Jul 26, 2026 06:29	Kevin Heavey	CPPg++13.3.0	Success	4,001
Jul 26, 2026 06:29	Kevin Heavey	CPPg++13.3.0	Success	3,991
Jul 26, 2026 06:27	Kevin Heavey	CPPg++13.3.0	Success	4,059
Jul 26, 2026 06:27	Kevin Heavey	CPPg++13.3.0	Success	4,019
Jul 26, 2026 06:27	Kevin Heavey	CPPg++13.3.0	Success	4,017
Jul 26, 2026 06:27	Kevin Heavey	CPPg++13.3.0	Success	3,995
Jul 26, 2026 06:27	Kevin Heavey	CPPg++13.3.0	Success	3,995
Jul 26, 2026 06:27	Kevin Heavey	CPPg++13.3.0	Success	3,998
Jul 26, 2026 06:27	Kevin Heavey	CPPg++13.3.0	Success	3,997
Jul 26, 2026 06:27	Kevin Heavey	CPPg++13.3.0	Success	4,000
Jul 26, 2026 06:22	Kevin Heavey	CPPg++13.3.0	Success	4,062
Jul 26, 2026 06:22	Kevin Heavey	CPPg++13.3.0	Success	4,043
Jul 26, 2026 06:22	Kevin Heavey	CPPg++13.3.0	Success	4,015
Jul 26, 2026 06:22	Kevin Heavey	CPPg++13.3.0	Success	4,013
Jul 26, 2026 06:22	Kevin Heavey	CPPg++13.3.0	Success	4,013
Jul 26, 2026 06:22	Kevin Heavey	CPPg++13.3.0	Success	4,004
Jul 26, 2026 06:22	Kevin Heavey	CPPg++13.3.0	Success	4,003
Jul 26, 2026 06:21	Kevin Heavey	CPPg++13.3.0	Success	4,015

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