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
May 3, 2026 17:07	TudyM	CPPg++14.2.0	Success	5,272+3.95 RP
May 3, 2026 16:57	TudyM	CPPg++14.2.0	Success	5,287
May 3, 2026 16:47	TudyM	CPPg++14.2.0	Success	5,287
May 3, 2026 16:36	TudyM	CPPg++14.2.0	Success	5,283+49.21 RP
May 3, 2026 16:25	TudyM	CPPg++14.2.0	Success	5,439
May 3, 2026 16:14	TudyM	CPPg++14.2.0	Success	5,428
May 3, 2026 15:57	TudyM	CPPg++14.2.0	Success	5,442
May 3, 2026 15:46	TudyM	CPPclang++20.1.2	Success	5,441
May 3, 2026 15:35	TudyM	CPPg++10.5.0	Success	5,438
May 3, 2026 15:24	TudyM	CPPg++14.2.0	Success	5,449
May 3, 2026 15:14	TudyM	CPPg++14.2.0	Success	5,458
May 3, 2026 15:02	TudyM	CPPg++14.2.0	Success	5,431
May 3, 2026 14:53	TudyM	CPPg++14.2.0	Success	5,453
May 3, 2026 14:42	TudyM	CPPg++14.2.0	Success	5,424+2.04 RP
May 3, 2026 14:31	TudyM	CPPg++14.2.0	Success	5,432
May 3, 2026 14:25	TudyM	CPPg++14.2.0	Success	5,430+7.43 RP
May 3, 2026 13:51	TudyM	CPPg++14.2.0	Success	5,452+28.48 RP
May 2, 2026 03:27	Hung T.Nguyen	CPPg++10.5.0	Success	5,572+1'794.69 RP
May 1, 2026 18:18	Victor Mercklé	CPPg++14.2.0	Success	5,496+66.66 RP
May 1, 2026 18:11	Victor Mercklé	CPPg++14.2.0	Success	5,705+850.16 RP
May 1, 2026 16:45	Pavel Skripkin	RUSTrust-1.94.1	Success	4,733
May 1, 2026 05:54	olliecrow	CPPg++13.3.0	Success	4,390
May 1, 2026 02:16	Charles Cabergs	CPPg++13.3.0	Success	24,208
Apr 30, 2026 18:02	Charles Cabergs	CPPg++13.3.0	Success	19,643
Apr 30, 2026 15:25	Charles Cabergs	CPPg++13.3.0	Success	24,204
Apr 30, 2026 12:57	Charles Cabergs	CPPg++13.3.0	Success	24,201
Apr 30, 2026 10:24	Charles Cabergs	CPPg++13.3.0	Success	19,767
Apr 30, 2026 03:36	olliecrow	CSHARP9.0.15	Success	4,881
Apr 30, 2026 03:29	olliecrow	CSHARP9.0.15	Error
Apr 30, 2026 03:14	olliecrow	CPPg++10.5.0	Success	4,510
Apr 29, 2026 21:18	Charles Cabergs	CPPg++13.3.0	Success	6,305
Apr 29, 2026 02:33	Charles Cabergs	CPPg++13.3.0	Success	5,295
Apr 28, 2026 21:36	Charles Cabergs	CPPg++13.3.0	Success	5,526
Apr 28, 2026 19:39	CountHarebourg	CPPg++14.2.0	Success	5,819
Apr 28, 2026 19:18	CountHarebourg	CPPg++14.2.0	Success	11,149
Apr 28, 2026 19:06	CountHarebourg	CPPg++14.2.0	Success	11,413
Apr 28, 2026 19:02	CountHarebourg	CPPg++14.2.0	Success	11,045
Apr 28, 2026 18:57	CountHarebourg	CPPg++14.2.0	Success	41,113
Apr 28, 2026 12:27	Dominique Garmier	CPPg++13.3.0	Success	4,522
Apr 28, 2026 10:15	TudyM	CPPg++14.2.0	Success	5,538+25.71 RP
Apr 28, 2026 10:08	TudyM	CPPg++14.2.0	Success	5,618+2.22 RP
Apr 28, 2026 10:07	Charles Cabergs	CPPg++13.3.0	Success	19,514
Apr 28, 2026 10:02	TudyM	CPPg++14.2.0	Success	5,630
Apr 28, 2026 09:57	TudyM	CPPg++14.2.0	Success	5,625+53.34 RP
Apr 28, 2026 09:54	TudyM	CPPg++14.2.0	Success	6,035
Apr 28, 2026 02:46	Charles Cabergs	CPPg++10.5.0	Success	5,303
Apr 28, 2026 00:43	Charles Cabergs	CPPg++13.3.0	Success	19,479
Apr 27, 2026 22:03	Charles Cabergs	CPPg++13.3.0	Success	5,318
Apr 27, 2026 21:28	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 21:11	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 19:32	Charles Cabergs	CPPg++13.3.0	Success	5,302
Apr 27, 2026 19:04	Victor Mercklé	CPPg++14.2.0	Success	11,078+857.78 RP
Apr 27, 2026 18:58	Victor Mercklé	CPPg++14.2.0	Success	222,690+44.91 RP
Apr 27, 2026 18:57	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 18:53	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 16:51	Charles Cabergs	CPPg++13.3.0	Success	5,297
Apr 27, 2026 14:42	Charles Cabergs	CPPclang++18.1.3	Success	5,352
Apr 27, 2026 13:21	Charles Cabergs	CPPg++13.3.0	Success	5,310
Apr 27, 2026 09:05	Charles Cabergs	CPPg++13.3.0	Success	19,955
Apr 27, 2026 07:02	Charles Cabergs	CPPg++13.3.0	Success	5,290
Apr 27, 2026 04:12	Charles Cabergs	CPPg++13.3.0	Success	19,927
Apr 27, 2026 03:52	olliecrow	CSHARP9.0.15	Success	12,041
Apr 27, 2026 01:36	Charles Cabergs	CPPg++13.3.0	Success	5,293
Apr 26, 2026 23:35	olliecrow	CSHARP9.0.15	Success	8,125
Apr 26, 2026 22:57	Charles Cabergs	CPPg++13.3.0	Success	5,292
Apr 26, 2026 19:35	TudyM	CPPg++14.2.0	Success	5,805
Apr 26, 2026 19:00	TudyM	CPPclang++20.1.2	Success	6,115
Apr 26, 2026 18:59	TudyM	CPPg++14.2.0	Success	5,799+2.67 RP
Apr 26, 2026 18:23	Charles Cabergs	CPPg++13.3.0	Success	5,293
Apr 26, 2026 16:36	Charles Cabergs	CPPg++13.3.0	Success	5,507
Apr 26, 2026 16:20	TudyM	CPPg++10.5.0	Success	5,808+1'721.76 RP
Apr 26, 2026 14:45	Charles Cabergs	CPPg++13.3.0	Success	5,295
Apr 26, 2026 14:16	olliecrow	CSHARP9.0.14	Success	7,130
Apr 26, 2026 12:33	Charles Cabergs	CPPg++13.3.0	Success	5,290+0.36 RP
Apr 26, 2026 11:42	Charles Cabergs	CPPg++13.3.0	Success	19,911
Apr 26, 2026 09:15	Charles Cabergs	CPPg++13.3.0	Success	5,298
Apr 26, 2026 06:48	Charles Cabergs	CPPg++13.3.0	Success	19,675
Apr 26, 2026 06:17	Charles Cabergs	CPPg++13.3.0	Success	5,309
Apr 26, 2026 03:43	Charles Cabergs	CPPg++13.3.0	Success	14,910
Apr 26, 2026 01:05	Charles Cabergs	CPPg++13.3.0	Success	42,902
Apr 26, 2026 01:00	Charles Cabergs	CPPg++13.3.0	Success	22,840
Apr 26, 2026 00:43	Uladzislau Nestsiaruk	CPPclang++20.1.2	Error
Apr 26, 2026 00:35	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,029
Apr 26, 2026 00:30	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,919+4.54 RP
Apr 26, 2026 00:22	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,930+10.64 RP
Apr 26, 2026 00:18	Uladzislau Nestsiaruk	CPPclang++20.1.2	Error
Apr 26, 2026 00:16	Uladzislau Nestsiaruk	CPPclang++20.1.2	Error
Apr 26, 2026 00:06	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,140
Apr 26, 2026 00:01	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,979
Apr 25, 2026 23:42	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,992
Apr 25, 2026 23:39	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,983
Apr 25, 2026 23:36	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,966
Apr 25, 2026 23:27	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	4,977
Apr 25, 2026 23:26	Uladzislau Nestsiaruk	CPPg++14.2.0	Success	6,065
Apr 25, 2026 23:23	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,956+3.66 RP
Apr 25, 2026 23:18	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,977
Apr 25, 2026 22:27	Charles Cabergs	CPPg++13.3.0	Success	5,299
Apr 25, 2026 21:45	Charles Cabergs	CPPg++13.3.0	Success	5,300
Apr 25, 2026 19:29	Charles Cabergs	CPPg++13.3.0	Success	19,663
Apr 25, 2026 18:36	Charles Cabergs	CPPg++13.3.0	Success	10,774

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