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
Sep 14, 2026 14:48	Victor Mercklé	CPPg++14.2.0	Success	4,160
Sep 14, 2026 14:46	Victor Mercklé	CPPg++14.2.0	Success	5,285
Sep 14, 2026 14:42	Victor Mercklé	CPPg++14.2.0	Success	4,208
Sep 14, 2026 14:35	Victor Mercklé	CPPg++14.2.0	Success	4,175
Sep 14, 2026 14:34	Victor Mercklé	CPPg++14.2.0	Success	4,136
Sep 14, 2026 14:31	Victor Mercklé	CPPg++14.2.0	Success	4,896
Sep 14, 2026 14:23	Victor Mercklé	CPPg++14.2.0	Success	4,120
Sep 14, 2026 14:20	Victor Mercklé	CPPg++14.2.0	Success	4,117
Sep 14, 2026 14:16	Victor Mercklé	CPPg++14.2.0	Success	4,123
Sep 14, 2026 14:09	Victor Mercklé	CPPg++14.2.0	Success	4,286
Sep 14, 2026 14:06	Victor Mercklé	CPPg++14.2.0	Success	4,121
Sep 14, 2026 14:01	Victor Mercklé	CPPg++14.2.0	Success	4,655
Sep 14, 2026 13:56	Victor Mercklé	CPPg++14.2.0	Success	4,239
Sep 14, 2026 13:53	Victor Mercklé	CPPg++14.2.0	Success	4,090
Sep 14, 2026 13:51	Victor Mercklé	CPPg++14.2.0	Success	4,720
Sep 14, 2026 13:48	Victor Mercklé	CPPg++14.2.0	Success	4,250
Sep 14, 2026 13:43	Victor Mercklé	CPPg++14.2.0	Success	4,598
Sep 14, 2026 13:39	Victor Mercklé	CPPg++14.2.0	Success	4,993
Sep 14, 2026 10:11	Victor Mercklé	CPPg++14.2.0	Success	4,149
Sep 14, 2026 10:08	Victor Mercklé	CPPg++14.2.0	Success	4,126
Sep 14, 2026 10:06	Victor Mercklé	CPPg++14.2.0	Success	4,084
Sep 14, 2026 10:01	Victor Mercklé	CPPg++14.2.0	Success	4,180
Sep 14, 2026 09:52	Victor Mercklé	CPPg++14.2.0	Success	4,120
Sep 14, 2026 09:44	Victor Mercklé	CPPg++14.2.0	Success	4,223
Sep 13, 2026 12:07	Kevin Heavey	CPPg++13.3.0	Success	3,998
Sep 13, 2026 12:06	Kevin Heavey	CPPg++13.3.0	Success	3,996
Sep 13, 2026 12:05	Kevin Heavey	CPPg++13.3.0	Success	3,980
Sep 13, 2026 12:03	Kevin Heavey	CPPg++13.3.0	Success	3,985
Sep 13, 2026 12:02	Kevin Heavey	CPPg++13.3.0	Success	3,978
Sep 13, 2026 12:01	Kevin Heavey	CPPg++13.3.0	Success	3,977
Sep 13, 2026 11:41	Kevin Heavey	CPPg++13.3.0	Success	4,000
Sep 13, 2026 11:40	Kevin Heavey	CPPg++13.3.0	Success	3,988
Sep 13, 2026 11:39	Kevin Heavey	CPPg++13.3.0	Success	3,983
Sep 13, 2026 11:38	Kevin Heavey	CPPg++13.3.0	Success	3,990
Sep 13, 2026 11:37	Kevin Heavey	CPPg++13.3.0	Success	3,991
Sep 13, 2026 11:36	Kevin Heavey	CPPg++13.3.0	Success	3,984
Sep 13, 2026 11:13	Kevin Heavey	CPPg++13.3.0	Success	4,008
Sep 13, 2026 11:12	Kevin Heavey	CPPg++13.3.0	Success	4,002
Sep 13, 2026 11:11	Kevin Heavey	CPPg++13.3.0	Success	3,994
Sep 13, 2026 11:10	Kevin Heavey	CPPg++13.3.0	Success	4,000
Sep 12, 2026 21:24	Kevin Heavey	CPPg++13.3.0	Success	3,980
Sep 12, 2026 21:23	Kevin Heavey	CPPg++13.3.0	Success	4,002
Sep 12, 2026 21:22	Kevin Heavey	CPPg++13.3.0	Success	3,999
Sep 12, 2026 21:21	Kevin Heavey	CPPg++13.3.0	Success	3,982
Sep 12, 2026 20:19	Kevin Heavey	CPPg++13.3.0	Success	3,995
Sep 12, 2026 20:18	Kevin Heavey	CPPg++13.3.0	Success	4,020
Sep 12, 2026 20:17	Kevin Heavey	CPPg++13.3.0	Success	4,009
Sep 12, 2026 20:16	Kevin Heavey	CPPg++13.3.0	Success	3,997
Sep 12, 2026 19:41	Kevin Heavey	CPPg++13.3.0	Success	3,982
Sep 12, 2026 19:40	Kevin Heavey	CPPg++13.3.0	Success	4,001
Sep 12, 2026 19:39	Kevin Heavey	CPPg++13.3.0	Success	3,994
Sep 12, 2026 19:38	Kevin Heavey	CPPg++13.3.0	Success	3,983
Sep 12, 2026 19:37	Kevin Heavey	CPPg++13.3.0	Success	3,991
Sep 12, 2026 19:37	Kevin Heavey	CPPg++13.3.0	Success	16,434
Sep 12, 2026 19:35	Kevin Heavey	CPPg++13.3.0	Success	4,003
Sep 12, 2026 19:35	Kevin Heavey	CPPg++13.3.0	Success	4,828
Sep 12, 2026 19:34	Kevin Heavey	CPPg++13.3.0	Success	4,090
Sep 12, 2026 19:33	Kevin Heavey	CPPg++13.3.0	Success	4,001
Sep 12, 2026 19:32	Kevin Heavey	CPPg++13.3.0	Success	3,988
Sep 12, 2026 19:31	Kevin Heavey	CPPg++13.3.0	Success	4,495
Sep 12, 2026 19:31	Kevin Heavey	CPPg++13.3.0	Success	4,286
Sep 12, 2026 19:30	Kevin Heavey	CPPg++13.3.0	Success	3,983
Sep 12, 2026 19:29	Kevin Heavey	CPPg++13.3.0	Success	3,985
Sep 12, 2026 19:28	Kevin Heavey	CPPg++13.3.0	Success	4,121
Sep 12, 2026 19:28	Kevin Heavey	CPPg++13.3.0	Success	3,988
Sep 12, 2026 19:27	Kevin Heavey	CPPg++13.3.0	Success	3,998
Sep 12, 2026 19:26	Kevin Heavey	CPPg++13.3.0	Success	4,022
Sep 12, 2026 19:25	Kevin Heavey	CPPg++13.3.0	Success	4,021
Sep 12, 2026 19:21	Kevin Heavey	CPPg++13.3.0	Success	3,986
Sep 12, 2026 19:20	Kevin Heavey	CPPg++13.3.0	Success	4,095
Sep 12, 2026 19:19	Kevin Heavey	CPPg++13.3.0	Success	4,089
Sep 12, 2026 19:19	Kevin Heavey	CPPg++13.3.0	Success	4,025
Sep 12, 2026 19:18	Kevin Heavey	CPPg++13.3.0	Success	3,999
Sep 12, 2026 19:17	Kevin Heavey	CPPg++13.3.0	Success	3,987
Sep 12, 2026 19:14	Kevin Heavey	CPPg++13.3.0	Success	3,979
Sep 12, 2026 19:13	Kevin Heavey	CPPg++13.3.0	Success	3,981
Sep 12, 2026 18:47	Kevin Heavey	CPPg++13.3.0	Success	3,983
Sep 12, 2026 18:46	Kevin Heavey	CPPg++13.3.0	Success	3,987
Sep 12, 2026 18:45	Kevin Heavey	CPPg++13.3.0	Success	3,980
Sep 12, 2026 18:44	Kevin Heavey	CPPg++13.3.0	Success	3,981
Sep 12, 2026 18:43	Kevin Heavey	CPPg++13.3.0	Success	3,992
Sep 12, 2026 18:42	Kevin Heavey	CPPg++13.3.0	Success	3,987
Sep 12, 2026 18:41	Kevin Heavey	CPPg++13.3.0	Success	3,984
Sep 12, 2026 18:40	Kevin Heavey	CPPg++13.3.0	Success	3,982
Sep 12, 2026 18:39	Kevin Heavey	CPPg++13.3.0	Success	3,984
Sep 12, 2026 18:38	Kevin Heavey	CPPg++13.3.0	Success	3,974
Sep 12, 2026 18:37	Kevin Heavey	CPPg++13.3.0	Success	3,988
Sep 12, 2026 18:36	Kevin Heavey	CPPg++13.3.0	Success	3,987
Sep 12, 2026 18:35	Kevin Heavey	CPPg++13.3.0	Success	3,985
Sep 12, 2026 18:33	Kevin Heavey	CPPg++13.3.0	Success	3,984
Sep 12, 2026 18:32	Kevin Heavey	CPPg++13.3.0	Success	3,987
Sep 12, 2026 18:31	Kevin Heavey	CPPg++13.3.0	Success	3,984
Sep 12, 2026 16:41	Kevin Heavey	CPPg++13.3.0	Success	3,997
Sep 12, 2026 16:40	Kevin Heavey	CPPg++13.3.0	Success	3,991
Sep 12, 2026 16:39	Kevin Heavey	CPPg++13.3.0	Success	3,990
Sep 12, 2026 16:38	Kevin Heavey	CPPg++13.3.0	Success	3,995
Sep 12, 2026 16:37	Kevin Heavey	CPPg++13.3.0	Success	4,006
Sep 12, 2026 16:36	Kevin Heavey	CPPg++13.3.0	Success	4,000
Sep 12, 2026 16:35	Kevin Heavey	CPPg++13.3.0	Success	4,000
Sep 12, 2026 16:34	Kevin Heavey	CPPg++13.3.0	Success	3,996

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