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 4, 2026 12:59	Daniel	RUSTrust-1.93.1	Success	5,353+6.95 RP
Mar 4, 2026 12:53	Daniel	RUSTrust-1.93.1	Success	5,373+105.85 RP
Mar 4, 2026 12:52	Daniel	RUSTrust-1.93.1	Error
Mar 4, 2026 12:24	Daniel	RUSTrust-1.93.1	Success	5,799
Mar 4, 2026 12:19	Mukundan	CPPg++13.3.0	Success	2,970,765+3.37 RP
Mar 4, 2026 11:56	Daniel	RUSTrust-1.93.1	Success	5,697+801.29 RP
Mar 4, 2026 11:54	Daniel	RUSTrust-1.93.1	Success	10,482+1.00 RP
Mar 4, 2026 11:47	Daniel	RUSTrust-1.93.1	Success	32,351
Mar 4, 2026 11:42	Daniel	RUSTrust-1.93.1	Success	10,493+2.72 RP
Mar 4, 2026 11:42	Daniel	RUSTrust-1.93.1	Success	10,523+12.30 RP
Mar 4, 2026 02:23	Josu San Martin	CSHARP9.0.13	Success	4,808+331.00 RP
Mar 2, 2026 19:23	izotoff	GOgo1.26.0	Success	6,138
Mar 1, 2026 12:46	Manu	RUSTrust-1.93.1	Success	52,802+189.39 RP
Mar 1, 2026 12:39	Manu	RUSTrust-1.93.1	Error
Mar 1, 2026 12:29	Manu	RUSTrust-1.93.1	Error
Mar 1, 2026 12:24	Manu	RUSTrust-1.93.1	Error
Mar 1, 2026 12:03	Manu	RUSTrust-1.93.1	Error
Feb 19, 2026 03:25	Josu San Martin	CPPg++13.3.0	Success	4,503
Feb 19, 2026 03:23	Josu San Martin	CPPg++13.3.0	Success	4,716
Feb 19, 2026 03:22	Josu San Martin	CPPg++13.3.0	Success	4,430
Feb 19, 2026 03:21	Josu San Martin	CPPg++13.3.0	Success	4,422
Feb 19, 2026 03:04	Josu San Martin	CPPg++13.3.0	Success	4,542
Feb 19, 2026 03:02	Josu San Martin	CPPg++13.3.0	Success	4,431
Feb 19, 2026 02:49	Josu San Martin	CPPg++13.3.0	Success	4,824
Feb 17, 2026 00:22	Valentin Kofman	CPPg++13.3.0	Success	4,474
Feb 17, 2026 00:18	Valentin Kofman	CPPg++13.3.0	Success	4,643
Feb 14, 2026 21:15	olliecrow	CPPg++13.3.0	Success	6,686
Feb 14, 2026 21:06	olliecrow	CPPg++13.3.0	Success	4,362
Feb 14, 2026 20:59	olliecrow	CPPg++13.3.0	Success	4,400
Feb 14, 2026 20:34	olliecrow	CPPg++13.3.0	Success	4,404
Feb 14, 2026 19:59	olliecrow	CPPg++13.3.0	Success	49,642
Feb 14, 2026 19:51	olliecrow	CPPg++13.3.0	Success	4,363
Feb 14, 2026 18:54	olliecrow	CPPg++13.3.0	Success	5,191
Feb 14, 2026 17:54	olliecrow	CPPg++13.3.0	Success	4,369
Feb 14, 2026 17:45	olliecrow	CPPg++13.3.0	Success	4,410
Feb 14, 2026 17:20	olliecrow	CPPg++13.3.0	Success	4,389
Feb 14, 2026 16:20	olliecrow	CPPg++13.3.0	Success	4,372
Feb 14, 2026 16:13	olliecrow	CPPg++13.3.0	Success	4,389
Feb 14, 2026 16:04	olliecrow	CPPg++13.3.0	Success	4,379
Feb 14, 2026 14:33	olliecrow	CPPg++13.3.0	Success	4,357+0.53 RP
Feb 14, 2026 13:10	olliecrow	CPPg++13.3.0	Success	4,368
Feb 14, 2026 10:45	olliecrow	CPPg++13.3.0	Success	4,362
Feb 14, 2026 10:34	olliecrow	CPPg++13.3.0	Success	4,402
Feb 14, 2026 10:28	olliecrow	CPPg++13.3.0	Success	4,444
Feb 14, 2026 10:04	olliecrow	CPPg++13.3.0	Success	6,083
Feb 14, 2026 09:59	olliecrow	CPPg++13.3.0	Success	4,413
Feb 14, 2026 09:52	olliecrow	CPPg++13.3.0	Success	4,472
Feb 14, 2026 09:47	olliecrow	CPPg++13.3.0	Success	4,396
Feb 14, 2026 09:43	olliecrow	CPPg++13.3.0	Success	4,462
Feb 14, 2026 09:38	olliecrow	CPPg++13.3.0	Success	4,417
Feb 14, 2026 09:16	olliecrow	CPPg++13.3.0	Success	5,126
Feb 14, 2026 08:42	olliecrow	CPPg++13.3.0	Success	4,419
Feb 14, 2026 08:25	olliecrow	CPPg++13.3.0	Success	4,394
Feb 14, 2026 08:14	olliecrow	CPPg++13.3.0	Success	5,172
Feb 14, 2026 08:07	olliecrow	CPPg++13.3.0	Success	5,202
Feb 14, 2026 07:54	olliecrow	CPPg++13.3.0	Success	4,358
Feb 14, 2026 07:34	olliecrow	CPPclang++18.1.3	Success	4,372
Feb 14, 2026 07:29	olliecrow	CPPg++13.3.0	Success	5,313
Feb 14, 2026 07:21	olliecrow	CPPg++13.3.0	Success	4,444
Feb 14, 2026 06:34	olliecrow	CPPg++13.3.0	Success	4,387
Feb 14, 2026 06:29	olliecrow	CPPg++13.3.0	Success	4,364
Feb 14, 2026 06:24	olliecrow	CPPg++13.3.0	Success	4,500
Feb 14, 2026 06:17	olliecrow	CPPg++13.3.0	Success	4,381
Feb 14, 2026 05:47	olliecrow	CPPg++13.3.0	Success	4,376
Feb 14, 2026 05:42	olliecrow	CPPg++13.3.0	Success	4,372
Feb 14, 2026 05:36	olliecrow	CPPg++13.3.0	Success	4,358+4.73 RP
Feb 14, 2026 05:29	olliecrow	CPPg++13.3.0	Success	4,370
Feb 14, 2026 05:23	olliecrow	CPPg++13.3.0	Success	4,367+39.68 RP
Feb 14, 2026 05:12	olliecrow	CPPg++13.3.0	Success	4,458
Feb 14, 2026 05:07	olliecrow	CPPg++13.3.0	Success	4,450
Feb 14, 2026 04:53	olliecrow	CPPg++13.3.0	Success	4,690
Feb 14, 2026 04:47	olliecrow	CPPg++13.3.0	Success	4,488
Feb 14, 2026 04:42	olliecrow	CPPg++13.3.0	Success	4,555
Feb 14, 2026 04:29	olliecrow	CPPg++13.3.0	Success	4,471
Feb 14, 2026 04:24	olliecrow	CPPg++13.3.0	Success	5,203
Feb 14, 2026 04:18	olliecrow	CPPg++13.3.0	Success	5,291
Feb 14, 2026 04:13	olliecrow	CPPg++13.3.0	Success	4,455
Feb 14, 2026 04:04	olliecrow	CPPg++13.3.0	Success	4,749
Feb 14, 2026 03:29	olliecrow	CPPg++13.3.0	Success	4,864
Feb 14, 2026 03:24	olliecrow	CPPg++13.3.0	Success	4,450
Feb 14, 2026 03:19	olliecrow	CPPg++13.3.0	Success	4,544
Feb 14, 2026 03:15	olliecrow	CPPg++13.3.0	Success	4,734
Feb 14, 2026 03:10	olliecrow	CPPg++13.3.0	Success	4,569
Feb 14, 2026 03:04	olliecrow	CPPg++13.3.0	Success	6,462
Feb 14, 2026 02:35	olliecrow	CPPg++13.3.0	Success	4,468
Feb 14, 2026 02:26	olliecrow	CPPg++13.3.0	Success	4,497
Feb 14, 2026 02:22	olliecrow	CPPg++13.3.0	Success	4,456
Feb 14, 2026 02:16	olliecrow	CPPg++13.3.0	Success	4,479
Feb 14, 2026 02:11	olliecrow	CPPg++13.3.0	Success	4,444+16.59 RP
Feb 14, 2026 02:05	olliecrow	CPPg++13.3.0	Success	4,484
Feb 14, 2026 01:54	olliecrow	CPPg++13.3.0	Success	4,780
Feb 14, 2026 01:48	olliecrow	CPPg++13.3.0	Success	4,638
Feb 14, 2026 01:41	olliecrow	CPPg++13.3.0	Success	4,477
Feb 14, 2026 01:35	olliecrow	CPPg++13.3.0	Success	4,532
Feb 14, 2026 01:31	olliecrow	CPPg++13.3.0	Success	4,512
Feb 14, 2026 01:24	olliecrow	CPPg++13.3.0	Success	4,601
Feb 14, 2026 01:20	olliecrow	CPPg++13.3.0	Success	5,304
Feb 14, 2026 01:14	olliecrow	CPPg++13.3.0	Success	4,503
Feb 14, 2026 01:09	olliecrow	CPPg++13.3.0	Success	4,559
Feb 14, 2026 01:03	olliecrow	CPPg++13.3.0	Success	4,558

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