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	1:20.1.2-0ubuntu1~24.04.2	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.
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	3.0.13-0ubuntu3.9	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
Nov 14, 2025 14:04	wee77777wee-hue	CPPclang++18.1.3	Success	11,398
Nov 14, 2025 14:01	wee77777wee-hue	CPPclang++18.1.3	Error
Nov 12, 2025 16:46	izotoff	GOgo1.18	Success	11,087
Nov 12, 2025 16:23	izotoff	GOgo1.18	Success	6,037
Nov 12, 2025 16:22	izotoff	GOgo1.18	Success	6,031
Nov 11, 2025 13:27	Yehor Bondar	CPPclang++18.1.3	Success	10,661+743.05 RP
Nov 9, 2025 16:58	Yehor Bondar	CPPg++13.3.0	Success	51,296+191.58 RP
Nov 9, 2025 16:10	Yehor Bondar	CPPg++13.3.0	Success	2,973,149+3.36 RP
Nov 9, 2025 11:44	izotoff	GOgo1.18	Success	6,024
Nov 9, 2025 11:43	izotoff	GOgo1.18	Success	6,015+3.31 RP
Nov 9, 2025 11:43	izotoff	GOgo1.11	Success	6,096
Nov 8, 2025 01:48	izotoff	GOgo1.13.13	Success	6,116
Nov 8, 2025 01:42	izotoff	GOgo1.13.13	Success	6,134
Nov 8, 2025 01:42	izotoff	GOgo1.13.13	Success	6,152
Nov 8, 2025 01:41	izotoff	GOgo1.13.13	Success	6,103
Nov 8, 2025 01:40	izotoff	GOgo1.15.7	Success	6,110
Nov 8, 2025 01:40	izotoff	GOgo1.15.7	Success	6,217
Nov 8, 2025 01:36	izotoff	GOgo1.25.4	Success	6,035
Nov 8, 2025 01:35	izotoff	GOgo1.25.4	Success	6,099
Nov 8, 2025 00:28	izotoff	GOgo1.25.4	Error
Nov 8, 2025 00:26	izotoff	GOgo1.25.4	Error
Nov 7, 2025 23:54	izotoff	GOgo1.25.4	Error
Nov 7, 2025 23:52	izotoff	GOgo1.25.4	Error
Nov 7, 2025 22:05	izotoff	GOgo1.25.4	Success	6,042
Nov 7, 2025 22:04	izotoff	GOgo1.25.4	Success	6,104
Nov 7, 2025 22:03	izotoff	GOgo1.25.4	Success	6,124
Nov 7, 2025 21:57	izotoff	GOgo1.18	Success	6,104
Nov 7, 2025 21:55	izotoff	GOgo1.18	Success	6,126
Nov 7, 2025 21:16	izotoff	GOgo1.18	Success	6,027+14.46 RP
Nov 7, 2025 21:15	izotoff	GOgo1.25.4	Success	6,080+1'497.70 RP
Nov 7, 2025 18:40	izotoff	GOgo1.25.4	Success	837,537
Nov 7, 2025 18:38	izotoff	GOgo1.25.4	Success	68,012+147.03 RP
Nov 6, 2025 23:00	CountHarebourg	CPPg++13.3.0	Success	5,076
Nov 6, 2025 22:59	CountHarebourg	CPPg++13.3.0	Success	5,353
Nov 6, 2025 22:59	CountHarebourg	CPPg++13.3.0	Success	5,209
Nov 6, 2025 22:58	CountHarebourg	CPPg++13.3.0	Success	5,130
Nov 6, 2025 22:57	CountHarebourg	CPPg++13.3.0	Success	5,525
Nov 6, 2025 22:57	CountHarebourg	CPPg++13.3.0	Success	15,268
Nov 6, 2025 22:57	CountHarebourg	CPPg++13.3.0	Success	10,627
Nov 6, 2025 22:57	CountHarebourg	CPPg++13.3.0	Success	11,203
Nov 6, 2025 22:56	CountHarebourg	CPPg++13.3.0	Success	10,083
Nov 6, 2025 22:56	CountHarebourg	CPPg++13.3.0	Success	10,764
Nov 6, 2025 22:56	CountHarebourg	CPPg++13.3.0	Success	26,902
Nov 6, 2025 22:55	CountHarebourg	CPPg++13.3.0	Success	10,986
Nov 6, 2025 22:55	CountHarebourg	CPPg++13.3.0	Success	24,517
Nov 6, 2025 22:54	CountHarebourg	CPPg++13.3.0	Success	24,064
Nov 6, 2025 22:54	CountHarebourg	CPPg++13.3.0	Success	11,025
Nov 6, 2025 22:53	CountHarebourg	CPPg++13.3.0	Success	39,310
Nov 6, 2025 22:53	CountHarebourg	CPPg++13.3.0	Error
Nov 6, 2025 22:53	CountHarebourg	CPPg++13.3.0	Success	17,530
Nov 6, 2025 22:51	CountHarebourg	CPPg++13.3.0	Success	5,626
Nov 6, 2025 22:51	CountHarebourg	CPPg++13.3.0	Success	11,066
Nov 6, 2025 22:50	CountHarebourg	CPPg++13.3.0	Success	22,334
Nov 6, 2025 20:30	j3o1	CPPg++13.3.0	Error
Nov 6, 2025 20:29	j3o1	CPPclang++18.1.3	Success	5,930
Nov 6, 2025 20:29	j3o1	CPPg++13.3.0	Success	5,825
Nov 6, 2025 20:28	j3o1	CPPg++13.3.0	Success	5,918
Nov 6, 2025 20:28	j3o1	CPPclang++18.1.3	Success	5,954
Nov 6, 2025 20:19	j3o1	CPPclang++18.1.3	Success	5,787+349.65 RP
Nov 6, 2025 20:17	j3o1	CPPclang++18.1.3	Error
Nov 6, 2025 19:56	j3o1	CPPclang++18.1.3	Success	7,255+844.11 RP
Nov 6, 2025 19:47	j3o1	CPPclang++18.1.3	Success	18,718+103.19 RP
Nov 6, 2025 19:43	j3o1	CPPg++13.3.0	Success	23,601
Nov 6, 2025 19:42	j3o1	CPPg++13.3.0	Success	23,199+7.11 RP
Nov 6, 2025 19:40	j3o1	CPPg++13.3.0	Success	25,117
Nov 6, 2025 19:39	j3o1	CPPg++13.3.0	Success	23,588+420.61 RP
Nov 1, 2025 21:14	j3o1	CPPg++13.3.0	Success	2,996,856+3.34 RP
Oct 31, 2025 10:19	AnSa	CPPg++13.3.0	Success	5,352
Oct 31, 2025 08:46	AnSa	CPPclang++18.1.3	Error
Oct 31, 2025 08:37	AnSa	CPPclang++18.1.3	Success	4,516
Oct 31, 2025 08:24	AnSa	CPPclang++18.1.3	Success	4,527
Oct 31, 2025 04:45	AnSa	CPPclang++18.1.3	Success	4,388+7.25 RP
Oct 31, 2025 04:38	AnSa	CPPg++13.3.0	Success	4,402
Oct 31, 2025 04:33	AnSa	CPPg++13.3.0	Success	4,402+119.77 RP
Oct 31, 2025 04:25	AnSa	CPPg++13.3.0	Success	4,675
Oct 31, 2025 04:23	AnSa	CPPclang++18.1.3	Success	4,649
Oct 30, 2025 20:01	eandr-67	GOgo1.25.3	Success	850,824+11.75 RP
Oct 30, 2025 12:45	Mikołaj Uzarski	CPPg++13.3.0	Error
Oct 28, 2025 08:06	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 08:05	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 08:03	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 08:01	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:59	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:29	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:27	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:22	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:22	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:20	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:19	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:17	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:06	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 07:05	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 06:59	Sergey Samokhvalov	CPPclang++18.1.3	Success	5,765+59.84 RP
Oct 28, 2025 06:59	Sergey Samokhvalov	CPPclang++18.1.3	Success	5,994
Oct 28, 2025 06:56	Sergey Samokhvalov	CPPclang++18.1.3	Success	5,971+0.56 RP
Oct 28, 2025 06:56	Sergey Samokhvalov	CPPclang++18.1.3	Error
Oct 28, 2025 06:51	Sergey Samokhvalov	CPPclang++18.1.3	Success	5,973
Oct 28, 2025 06:48	Sergey Samokhvalov	CPPclang++18.1.3	Success	5,973+301.33 RP
Oct 28, 2025 06:46	Sergey Samokhvalov	CPPg++13.3.0	Success	8,310
Oct 28, 2025 06:46	Sergey Samokhvalov	CPPclang++18.1.3	Success	7,284+572.10 RP

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