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
Mar 25, 2026 01:56	Dominique Garmier	CPPg++13.3.0	Success	4,493
Mar 24, 2026 23:28	Dominique Garmier	CPPg++13.3.0	Success	5,062
Mar 24, 2026 20:24	Dominique Garmier	RUSTrust-1.94.0	Success	5,338
Mar 24, 2026 16:49	Mohamed Elmahdi Bendimerad	CPPg++13.3.0	Success	47,781+205.92 RP
Mar 24, 2026 15:43	Mohamed Elmahdi Bendimerad	CPPg++13.3.0	Success	2,970,397+3.37 RP
Mar 24, 2026 14:48	Dominique Garmier	RUSTrust-1.94.0	Success	5,343
Mar 24, 2026 14:26	Dominique Garmier	RUSTrust-1.94.0	Success	5,377
Mar 24, 2026 14:25	Dominique Garmier	RUSTrust-1.94.0	Success	5,349
Mar 24, 2026 13:44	Arseniy Korobenko	CPPclang++18.1.3	Success	4,671
Mar 24, 2026 13:42	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 24, 2026 13:21	Arseniy Korobenko	CPPclang++18.1.3	Success	4,684
Mar 24, 2026 13:16	Arseniy Korobenko	CPPclang++18.1.3	Success	4,600
Mar 24, 2026 13:07	Arseniy Korobenko	CPPclang++18.1.3	Success	4,875
Mar 24, 2026 13:06	Arseniy Korobenko	CPPclang++18.1.3	Success	5,071
Mar 24, 2026 12:58	Arseniy Korobenko	CPPclang++18.1.3	Success	4,861
Mar 24, 2026 12:09	Arseniy Korobenko	CPPclang++18.1.3	Success	4,529+54.68 RP
Mar 24, 2026 11:52	Arseniy Korobenko	CPPclang++18.1.3	Success	4,644+0.93 RP
Mar 24, 2026 11:46	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 24, 2026 11:27	Arseniy Korobenko	CPPclang++18.1.3	Success	4,646+69.06 RP
Mar 24, 2026 10:44	Arseniy Korobenko	CPPclang++18.1.3	Success	4,800+39.18 RP
Mar 24, 2026 10:11	Arseniy Korobenko	CPPclang++18.1.3	Success	5,015
Mar 24, 2026 10:09	Arseniy Korobenko	CPPclang++18.1.3	Success	5,270
Mar 24, 2026 10:09	Arseniy Korobenko	CPPclang++18.1.3	Success	5,267
Mar 24, 2026 10:06	Arseniy Korobenko	CPPclang++18.1.3	Success	4,963
Mar 24, 2026 09:59	Arseniy Korobenko	CPPclang++18.1.3	Success	4,915
Mar 24, 2026 09:57	Arseniy Korobenko	CPPclang++18.1.3	Success	4,994
Mar 24, 2026 09:50	Arseniy Korobenko	CPPclang++18.1.3	Success	5,033
Mar 24, 2026 09:42	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 24, 2026 09:16	Dominique Garmier	RUSTrust-1.82.0	Success	5,383
Mar 24, 2026 07:46	Dominique Garmier	CPPg++13.3.0	Success	4,502
Mar 24, 2026 07:46	Dominique Garmier	CPPclang++18.1.3	Success	4,746
Mar 24, 2026 07:46	Dominique Garmier	CPPclang++18.1.3	Success	5,460
Mar 24, 2026 07:18	Dominique Garmier	CPPg++13.3.0	Success	10,795
Mar 24, 2026 01:03	Dominique Garmier	GOgo1.26.1	Success	23,144
Mar 24, 2026 00:41	Dominique Garmier	CSHARP9.0.14	Success	15,570
Mar 24, 2026 00:38	Dominique Garmier	CSHARP9.0.14	Error
Mar 24, 2026 00:24	olliecrow	RUSTrust-1.94.0	Success	4,433
Mar 23, 2026 23:37	Arseniy Korobenko	CPPclang++18.1.3	Success	4,892+2.50 RP
Mar 23, 2026 23:17	Arseniy Korobenko	CPPclang++18.1.3	Success	4,898+4.99 RP
Mar 23, 2026 23:10	Arseniy Korobenko	CPPclang++18.1.3	Success	5,391
Mar 23, 2026 23:04	Arseniy Korobenko	CPPclang++18.1.3	Success	9,959
Mar 23, 2026 22:54	Arseniy Korobenko	CPPclang++18.1.3	Success	4,910+7.85 RP
Mar 23, 2026 22:53	Arseniy Korobenko	CPPclang++18.1.3	Success	4,957
Mar 23, 2026 22:52	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 23, 2026 22:50	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 23, 2026 22:48	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 23, 2026 22:24	Arseniy Korobenko	CPPclang++18.1.3	Success	4,958
Mar 23, 2026 22:08	Arseniy Korobenko	CPPclang++18.1.3	Success	4,929+9.83 RP
Mar 23, 2026 22:08	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 23, 2026 21:57	Arseniy Korobenko	CPPclang++18.1.3	Success	4,962
Mar 23, 2026 21:35	Arseniy Korobenko	CPPclang++18.1.3	Success	4,956
Mar 23, 2026 21:29	Arseniy Korobenko	CPPclang++18.1.3	Success	5,053
Mar 23, 2026 21:25	Arseniy Korobenko	CPPclang++18.1.3	Success	4,997
Mar 23, 2026 21:24	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 23, 2026 21:15	Arseniy Korobenko	CPPclang++18.1.3	Success	4,953+61.65 RP
Mar 23, 2026 21:12	Arseniy Korobenko	CPPclang++18.1.3	Success	5,167
Mar 23, 2026 21:08	Arseniy Korobenko	CPPclang++18.1.3	Success	5,109+125.83 RP
Mar 23, 2026 20:58	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 23, 2026 20:55	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 23, 2026 20:45	Dominique Garmier	CPPg++13.3.0	Success	4,480
Mar 23, 2026 19:32	Arseniy Korobenko	CPPclang++18.1.3	Success	5,460+3.68 RP
Mar 23, 2026 19:06	Arseniy Korobenko	CPPclang++18.1.3	Success	5,471+8.98 RP
Mar 23, 2026 18:09	Arseniy Korobenko	CPPclang++18.1.3	Success	5,498+8.23 RP
Mar 23, 2026 17:58	Arseniy Korobenko	CPPclang++18.1.3	Success	5,523+113.39 RP
Mar 23, 2026 17:52	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 23, 2026 17:50	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 23, 2026 17:19	Arseniy Korobenko	CPPclang++18.1.3	Success	5,892+321.89 RP
Mar 23, 2026 17:10	Arseniy Korobenko	CPPclang++18.1.3	Success	7,271+173.11 RP
Mar 23, 2026 17:09	Arseniy Korobenko	CPPg++13.3.0	Success	8,318+1'198.90 RP
Mar 23, 2026 16:54	Arseniy Korobenko	CPPg++13.3.0	Success	3,014,734+3.32 RP
Mar 23, 2026 15:55	Dominique Garmier	CPPclang++18.1.3	Success	5,464
Mar 23, 2026 14:40	Dominique Garmier	CPPg++13.3.0	Success	4,484
Mar 23, 2026 07:03	Dominique Garmier	CPPg++13.3.0	Success	4,497
Mar 23, 2026 06:40	Dominique Garmier	CPPg++13.3.0	Success	5,316
Mar 23, 2026 05:51	Dominique Garmier	CPPg++13.3.0	Success	4,515
Mar 23, 2026 03:18	olliecrow	CPPg++13.3.0	Success	4,360
Mar 23, 2026 02:37	Dominique Garmier	CPPclang++18.1.3	Success	5,517
Mar 22, 2026 21:27	Dominique Garmier	CPPg++13.3.0	Success	4,646
Mar 22, 2026 21:26	Dominique Garmier	CPPg++13.3.0	Error
Mar 22, 2026 21:25	Dominique Garmier	CPPg++13.3.0	Success	4,721
Mar 22, 2026 19:18	Dominique Garmier	ZIG0.13.0	Success	6,625
Mar 22, 2026 19:17	Dominique Garmier	GOgo1.26.1	Success	5,915
Mar 22, 2026 19:16	Dominique Garmier	RUSTrust-1.94.0	Success	51,179
Mar 22, 2026 18:43	olliecrow	CSHARP9.0.14	Success	13,698
Mar 22, 2026 18:40	olliecrow	ZIG0.14.0	Success	4,514+357.28 RP
Mar 22, 2026 18:38	olliecrow	GOgo1.26.1	Success	4,844
Mar 22, 2026 18:34	Dominique Garmier	CSHARP9.0.14	Success	56,981
Mar 22, 2026 16:11	Dominique Garmier	RUSTrust-1.94.0	Success	7,199
Mar 22, 2026 16:11	Dominique Garmier	RUSTrust-1.94.0	Error
Mar 22, 2026 15:04	Dominique Garmier	CPPclang++18.1.3	Success	5,589
Mar 22, 2026 13:37	Dominique Garmier	CPPclang++18.1.3	Success	5,482
Mar 22, 2026 11:50	Dominique Garmier	RUSTrust-1.94.0	Success	5,733
Mar 22, 2026 11:47	Dominique Garmier	CSHARP9.0.14	Success	46,722
Mar 22, 2026 11:45	Dominique Garmier	RUSTrust-1.94.0	Success	45,745
Mar 22, 2026 10:25	Dominique Garmier	ZIG0.13.0	Success	6,777
Mar 22, 2026 10:16	Dominique Garmier	ZIG0.13.0	Success	6,524
Mar 22, 2026 10:13	Dominique Garmier	ZIG0.13.0	Success	6,394
Mar 22, 2026 09:58	Dominique Garmier	ZIG0.13.0	Success	9,252
Mar 22, 2026 09:52	Dominique Garmier	ZIG0.13.0	Success	6,728
Mar 21, 2026 22:25	Dominique Garmier	CPPg++10.5.0	Success	4,582

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