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 3, 2026 10:20	Victor Mercklé	CPPg++14.2.0	Success	4,165
Aug 3, 2026 10:13	Victor Mercklé	CPPg++14.2.0	Success	4,103
Aug 3, 2026 10:08	Victor Mercklé	CPPg++14.2.0	Success	4,150
Aug 3, 2026 10:00	Victor Mercklé	CPPg++14.2.0	Success	4,122
Aug 3, 2026 07:36	Ilya	CPPg++13.3.0	Success	4,568
Aug 3, 2026 07:35	Ilya	CPPg++13.3.0	Success	4,470
Aug 3, 2026 07:33	Ilya	CPPg++13.3.0	Success	4,243
Aug 3, 2026 07:31	Ilya	CPPg++13.3.0	Success	4,242
Aug 3, 2026 02:49	Victor Mercklé	CPPg++14.2.0	Success	4,091
Aug 3, 2026 02:37	Victor Mercklé	CPPg++14.2.0	Success	4,065
Aug 3, 2026 02:29	Victor Mercklé	CPPg++14.2.0	Success	4,179
Aug 3, 2026 02:23	Victor Mercklé	CPPg++14.2.0	Success	4,093
Aug 3, 2026 02:18	Victor Mercklé	CPPg++14.2.0	Success	4,466
Aug 3, 2026 02:12	Victor Mercklé	CPPg++14.2.0	Success	4,542
Aug 3, 2026 02:03	Victor Mercklé	CPPg++14.2.0	Success	4,128
Aug 2, 2026 20:07	Victor Mercklé	CPPg++14.2.0	Success	4,083
Aug 2, 2026 20:02	Victor Mercklé	CPPg++14.2.0	Success	4,090
Aug 2, 2026 19:57	Victor Mercklé	CPPg++14.2.0	Success	4,138
Aug 2, 2026 19:50	Victor Mercklé	CPPg++14.2.0	Success	4,310
Aug 2, 2026 17:39	Andrey Tsvetkov	GOgo1.26.5	Success	5,384+62.99 RP
Aug 2, 2026 14:52	hsfzxjy	CPPg++10.5.0	Success	11,486+0.30 RP
Aug 2, 2026 14:49	hsfzxjy	CPPg++10.5.0	Success	11,509
Aug 2, 2026 14:38	hsfzxjy	CPPg++10.5.0	Success	11,490+11.07 RP
Aug 2, 2026 14:37	hsfzxjy	CPPg++10.5.0	Success	11,638+66.17 RP
Aug 2, 2026 14:36	hsfzxjy	CPPg++10.5.0	Success	15,302
Aug 2, 2026 14:35	hsfzxjy	CPPg++10.5.0	Success	12,640
Aug 2, 2026 14:34	hsfzxjy	CPPg++10.5.0	Error
Aug 2, 2026 14:32	hsfzxjy	CPPg++10.5.0	Error
Aug 2, 2026 14:31	hsfzxjy	CPPg++10.5.0	Error
Aug 2, 2026 14:28	hsfzxjy	CPPg++10.5.0	Success	12,609+537.51 RP
Aug 2, 2026 14:11	hsfzxjy	CPPg++10.5.0	Success	39,127+53.59 RP
Aug 2, 2026 13:52	hsfzxjy	CPPg++10.5.0	Success	49,508+201.99 RP
Jul 31, 2026 06:13	Tony	CPPg++10.5.0	Success	49,858+200.57 RP
Jul 30, 2026 08:31	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	7,400
Jul 28, 2026 07:32	trienebutdiene	CPPg++10.5.0	Success	6,596
Jul 28, 2026 07:13	trienebutdiene	CPPg++10.5.0	Success	11,967
Jul 28, 2026 07:11	trienebutdiene	CPPg++10.5.0	Success	6,131+789.45 RP
Jul 28, 2026 07:01	trienebutdiene	CPPg++10.5.0	Success	11,882+584.33 RP
Jul 28, 2026 06:53	trienebutdiene	CPPg++10.5.0	Success	38,869+0.01 RP
Jul 28, 2026 06:31	trienebutdiene	CPPg++10.5.0	Success	40,770
Jul 28, 2026 06:11	trienebutdiene	CPPg++10.5.0	Success	38,870+257.27 RP
Jul 27, 2026 23:11	Andrew Tsibin	RUSTrust-1.95.0	Success	6,130
Jul 27, 2026 22:22	Andrew Tsibin	RUSTrust-1.95.0	Success	4,291+4.88 RP
Jul 27, 2026 22:08	Andrew Tsibin	RUSTrust-1.95.0	Success	5,070
Jul 27, 2026 21:48	Andrew Tsibin	RUSTrust-1.95.0	Success	4,300+24.09 RP
Jul 27, 2026 21:34	Andrew Tsibin	RUSTrust-1.95.0	Success	4,492
Jul 27, 2026 21:24	Andrew Tsibin	RUSTrust-1.95.0	Success	4,386
Jul 27, 2026 19:14	Andrew Tsibin	RUSTrust-1.95.0	Success	4,489
Jul 27, 2026 19:02	Andrew Tsibin	RUSTrust-1.95.0	Success	4,345+278.43 RP
Jul 27, 2026 18:31	Andrew Tsibin	RUSTrust-1.95.0	Success	4,943+2'023.06 RP
Jul 27, 2026 09:26	Kevin Heavey	RUSTrust-1.97.0	Success	3,996+21.11 RP
Jul 27, 2026 09:22	Kevin Heavey	GOgo1.26.2	Success	4,249+100.74 RP
Jul 27, 2026 09:17	Kevin Heavey	CSHARP9.0.15	Success	4,336+23.69 RP
Jul 27, 2026 09:16	Kevin Heavey	GOgo1.26.2	Success	6,146
Jul 27, 2026 09:16	Kevin Heavey	ZIG0.15.1	Success	4,014+3.10 RP
Jul 27, 2026 09:16	Kevin Heavey	RUSTrust-1.97.0	Success	4,057
Jul 27, 2026 08:13	Kevin Heavey	CSHARP9.0.15	Success	4,381+99.18 RP
Jul 27, 2026 08:12	Kevin Heavey	GOgo1.26.2	Success	4,439+73.64 RP
Jul 27, 2026 08:12	Kevin Heavey	ZIG0.15.1	Success	4,019+137.45 RP
Jul 27, 2026 08:11	Kevin Heavey	RUSTrust-1.97.0	Success	4,030+89.62 RP
Jul 26, 2026 19:41	Kevin Heavey	CPPg++13.3.0	Success	4,009
Jul 26, 2026 19:41	Kevin Heavey	CPPg++13.3.0	Success	4,006
Jul 26, 2026 19:41	Kevin Heavey	CPPg++13.3.0	Success	4,006
Jul 26, 2026 19:01	Kevin Heavey	CPPg++13.3.0	Success	4,007
Jul 26, 2026 19:01	Kevin Heavey	CPPg++13.3.0	Success	4,001
Jul 26, 2026 19:01	Kevin Heavey	CPPg++13.3.0	Success	4,003
Jul 26, 2026 19:00	Kevin Heavey	CPPg++13.3.0	Success	3,995
Jul 26, 2026 19:00	Kevin Heavey	CPPg++13.3.0	Success	3,993
Jul 26, 2026 19:00	Kevin Heavey	CPPg++13.3.0	Success	4,012
Jul 26, 2026 18:12	Kevin Heavey	CPPg++13.3.0	Success	4,003
Jul 26, 2026 18:12	Kevin Heavey	CPPg++13.3.0	Success	3,997
Jul 26, 2026 18:08	Kevin Heavey	CPPg++13.3.0	Success	3,999
Jul 26, 2026 18:08	Kevin Heavey	CPPg++13.3.0	Success	4,007
Jul 26, 2026 18:08	Kevin Heavey	CPPg++13.3.0	Success	4,007
Jul 26, 2026 18:08	Kevin Heavey	CPPg++13.3.0	Success	4,010
Jul 26, 2026 18:05	Kevin Heavey	CPPg++13.3.0	Success	4,001
Jul 26, 2026 18:04	Kevin Heavey	CPPg++13.3.0	Success	4,007
Jul 26, 2026 18:04	Kevin Heavey	CPPg++13.3.0	Success	3,987
Jul 26, 2026 18:04	Kevin Heavey	CPPg++13.3.0	Success	4,002
Jul 26, 2026 17:41	Kevin Heavey	CPPg++13.3.0	Success	3,997
Jul 26, 2026 17:41	Kevin Heavey	CPPg++13.3.0	Success	3,991
Jul 26, 2026 17:41	Kevin Heavey	CPPg++13.3.0	Success	3,992
Jul 26, 2026 17:39	Kevin Heavey	CPPg++13.3.0	Success	3,997
Jul 26, 2026 17:39	Kevin Heavey	CPPg++13.3.0	Success	3,993
Jul 26, 2026 17:35	Kevin Heavey	CPPg++13.3.0	Success	4,000
Jul 26, 2026 17:35	Kevin Heavey	CPPg++13.3.0	Success	4,004
Jul 26, 2026 17:35	Kevin Heavey	CPPg++13.3.0	Success	4,001
Jul 26, 2026 17:35	Kevin Heavey	CPPg++13.3.0	Success	3,988
Jul 26, 2026 14:47	Kevin Heavey	CPPg++13.3.0	Success	4,174
Jul 26, 2026 14:47	Kevin Heavey	CPPg++13.3.0	Success	4,301
Jul 26, 2026 14:47	Kevin Heavey	CPPg++13.3.0	Success	4,027
Jul 26, 2026 14:47	Kevin Heavey	CPPg++13.3.0	Success	4,023
Jul 26, 2026 14:46	Kevin Heavey	CPPg++13.3.0	Success	4,020
Jul 26, 2026 14:46	Kevin Heavey	CPPg++13.3.0	Success	4,016
Jul 26, 2026 14:46	Kevin Heavey	CPPg++13.3.0	Success	4,015
Jul 26, 2026 14:46	Kevin Heavey	CPPg++13.3.0	Success	4,002
Jul 26, 2026 14:08	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 14:06	Kevin Heavey	CPPg++13.3.0	Error
Jul 26, 2026 13:15	Kevin Heavey	CPPg++13.3.0	Success	4,003
Jul 26, 2026 13:15	Kevin Heavey	CPPg++13.3.0	Success	4,005

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