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
Apr 19, 2026 03:57	olliecrow	CPPg++13.3.0	Success	4,447
Apr 19, 2026 02:02	Charles Cabergs	CPPg++13.3.0	Success	5,702
Apr 18, 2026 23:42	Charles Cabergs	CPPg++13.3.0	Success	5,685
Apr 18, 2026 17:10	Charles Cabergs	CPPg++13.3.0	Success	5,677+3.41 RP
Apr 18, 2026 14:59	Charles Cabergs	CPPg++13.3.0	Success	5,700
Apr 18, 2026 14:28	olliecrow	CSHARP9.0.14	Success	49,624
Apr 18, 2026 12:43	Charles Cabergs	CPPg++13.3.0	Success	5,688+3.09 RP
Apr 18, 2026 10:32	Charles Cabergs	CPPg++13.3.0	Success	5,698+36.79 RP
Apr 18, 2026 09:44	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,509
Apr 18, 2026 09:36	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	6,364
Apr 18, 2026 08:26	Charles Cabergs	CPPg++13.3.0	Success	5,826
Apr 18, 2026 00:59	olliecrow	CSHARP9.0.14	Error
Apr 18, 2026 00:09	olliecrow	CSHARP9.0.14	Success	57,748
Apr 18, 2026 00:07	olliecrow	CSHARP9.0.14	Error
Apr 18, 2026 00:01	olliecrow	CSHARP9.0.14	Success	50,350
Apr 17, 2026 21:06	Charles Cabergs	CPPg++13.3.0	Success	5,820+823.12 RP
Apr 17, 2026 20:10	Charles Cabergs	CPPg++13.3.0	Success	122,389
Apr 17, 2026 17:29	Charles Cabergs	CPPg++13.3.0	Success	11,172+895.09 RP
Apr 17, 2026 11:53	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,447
Apr 17, 2026 11:44	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,433+9.77 RP
Apr 17, 2026 11:44	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 09:51	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,462+3.01 RP
Apr 17, 2026 09:44	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,471+1.00 RP
Apr 17, 2026 09:43	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	8,488
Apr 17, 2026 09:40	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 09:39	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 09:38	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 09:35	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,584
Apr 17, 2026 09:35	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,483
Apr 17, 2026 09:34	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,497
Apr 17, 2026 09:25	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,480
Apr 17, 2026 09:24	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,483
Apr 17, 2026 09:24	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,503
Apr 17, 2026 09:24	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 09:23	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 09:22	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 09:19	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,474+0.67 RP
Apr 17, 2026 09:19	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 09:16	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,476+39.80 RP
Apr 17, 2026 09:12	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	6,287
Apr 17, 2026 09:07	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	6,278
Apr 17, 2026 09:05	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	6,748
Apr 17, 2026 08:46	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	6,284
Apr 17, 2026 08:44	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	6,275
Apr 17, 2026 08:39	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 08:35	Uladzislau Nestsiaruk	CPPclang++18.1.3	Error
Apr 17, 2026 02:42	olliecrow	RUSTrust-1.94.0	Success	4,432
Apr 17, 2026 02:40	olliecrow	RUSTrust-1.94.0	Success	4,576
Apr 17, 2026 02:35	olliecrow	RUSTrust-1.94.0	Success	4,700
Apr 17, 2026 02:35	olliecrow	GOgo1.26.1	Error
Apr 17, 2026 02:33	olliecrow	GOgo1.26.1	Error
Apr 17, 2026 02:30	olliecrow	GOgo1.26.1	Error
Apr 17, 2026 01:22	olliecrow	RUSTrust-1.94.0	Success	4,463
Apr 17, 2026 01:15	olliecrow	RUSTrust-1.94.0	Success	4,340
Apr 17, 2026 01:13	olliecrow	RUSTrust-1.94.0	Error
Apr 16, 2026 19:35	olliecrow	GOgo1.26.1	Success	4,799
Apr 16, 2026 17:29	olliecrow	CSHARP9.0.14	Success	57,704
Apr 16, 2026 17:08	olliecrow	CSHARP9.0.14	Success	7,090
Apr 16, 2026 17:02	olliecrow	CSHARP9.0.14	Success	7,054
Apr 16, 2026 16:29	olliecrow	CSHARP9.0.14	Success	55,654
Apr 16, 2026 16:27	olliecrow	CSHARP9.0.14	Success	49,861
Apr 16, 2026 16:25	olliecrow	CSHARP9.0.14	Error
Apr 16, 2026 16:21	olliecrow	CSHARP9.0.14	Error
Apr 16, 2026 16:16	olliecrow	CSHARP9.0.14	Error
Apr 16, 2026 07:31	olliecrow	CPPg++13.3.0	Success	4,372
Apr 16, 2026 06:34	olliecrow	CPPg++13.3.0	Success	4,359
Apr 16, 2026 02:56	olliecrow	CPPg++13.3.0	Success	4,380
Apr 16, 2026 02:52	olliecrow	RUSTrust-1.94.0	Success	4,343
Apr 16, 2026 01:48	olliecrow	CPPg++13.3.0	Success	4,365
Apr 16, 2026 01:47	olliecrow	CPPg++13.3.0	Success	4,362
Apr 15, 2026 23:38	olliecrow	CPPg++13.3.0	Success	4,394
Apr 15, 2026 21:05	Pavel Skripkin	RUSTrust-1.94.1	Success	4,555
Apr 15, 2026 21:04	Pavel Skripkin	RUSTrust-1.94.1	Success	4,548
Apr 15, 2026 12:25	olliecrow	ZIG0.14.0	Success	4,393
Apr 15, 2026 03:43	olliecrow	ZIG0.14.0	Success	4,509
Apr 15, 2026 03:25	olliecrow	ZIG0.14.0	Success	4,517
Apr 14, 2026 21:07	Pavel Skripkin	RUSTrust-1.94.1	Success	4,566
Apr 14, 2026 21:07	Pavel Skripkin	RUSTrust-1.94.1	Success	4,577
Apr 14, 2026 21:06	Pavel Skripkin	RUSTrust-1.94.1	Success	4,547
Apr 14, 2026 21:06	Pavel Skripkin	RUSTrust-1.94.1	Success	4,544+5.31 RP
Apr 14, 2026 21:05	Pavel Skripkin	RUSTrust-1.94.1	Success	4,556
Apr 14, 2026 21:04	Pavel Skripkin	RUSTrust-1.94.1	Success	4,555+10.55 RP
Apr 14, 2026 20:53	Pavel Skripkin	RUSTrust-1.94.1	Success	4,581
Apr 14, 2026 20:49	Pavel Skripkin	RUSTrust-1.94.1	Success	4,584
Apr 14, 2026 20:48	Pavel Skripkin	RUSTrust-1.94.1	Success	4,577+34.30 RP
Apr 14, 2026 20:29	Pavel Skripkin	RUSTrust-1.94.1	Success	4,651
Apr 14, 2026 20:07	Pavel Skripkin	RUSTrust-1.94.1	Success	4,685
Apr 14, 2026 20:07	Pavel Skripkin	RUSTrust-1.94.1	Success	4,689
Apr 14, 2026 20:07	Pavel Skripkin	RUSTrust-1.94.1	Success	4,688
Apr 14, 2026 20:06	Pavel Skripkin	RUSTrust-1.94.1	Success	4,650+47.93 RP
Apr 14, 2026 19:46	Pavel Skripkin	RUSTrust-1.94.1	Success	4,774
Apr 14, 2026 19:44	Pavel Skripkin	RUSTrust-1.94.1	Success	4,835
Apr 14, 2026 17:48	olliecrow	GOgo1.26.1	Success	4,845
Apr 14, 2026 16:40	Oleg Skinderev	CPPg++13.3.0	Success	4,984+2.01 RP
Apr 14, 2026 16:40	Oleg Skinderev	CPPg++13.3.0	Success	5,012
Apr 14, 2026 06:32	Yuriy Lyfenko	CPPg++13.3.0	Success	4,180
Apr 14, 2026 06:31	Yuriy Lyfenko	CPPg++13.3.0	Success	4,469
Apr 14, 2026 06:31	Yuriy Lyfenko	CPPg++13.3.0	Success	4,438
Apr 14, 2026 06:30	Yuriy Lyfenko	CPPg++13.3.0	Success	4,205
Apr 14, 2026 06:26	Yuriy Lyfenko	CPPg++13.3.0	Success	4,174

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