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
Jun 5, 2026 20:51	Ilya	CPPg++13.3.0	Success	4,356
Jun 5, 2026 20:24	Ilya	CPPg++13.3.0	Error
Jun 5, 2026 20:21	Ilya	CPPg++13.3.0	Error
Jun 5, 2026 20:00	Ilya	CPPg++13.3.0	Error
Jun 5, 2026 19:46	Ilya	CPPg++13.3.0	Success	4,303
Jun 5, 2026 19:41	Ilya	CPPg++13.3.0	Success	6,019
Jun 5, 2026 19:39	Ilya	CPPg++13.3.0	Error
Jun 5, 2026 19:35	Ilya	CPPg++13.3.0	Error
Jun 5, 2026 14:29	Ilya	CPPg++10.5.0	Error
Jun 5, 2026 14:27	Ilya	CPPg++10.5.0	Error
Jun 5, 2026 10:56	Ilya	CPPg++10.5.0	Error
Jun 5, 2026 10:36	Ilya	CPPg++10.5.0	Error
Jun 5, 2026 10:19	Ilya	CPPg++10.5.0	Success	4,316
Jun 5, 2026 08:00	Ilya	CPPg++13.3.0	Success	4,316
Jun 5, 2026 07:57	Ilya	CPPg++13.3.0	Error
Jun 5, 2026 03:51	Josu San Martin	CPPclang++18.1.3	Success	4,167
Jun 4, 2026 21:57	Ilya	CPPg++13.3.0	Success	5,127
Jun 4, 2026 21:53	Ilya	CPPg++13.3.0	Success	4,323
Jun 4, 2026 21:52	Ilya	CPPg++13.3.0	Success	4,339
Jun 4, 2026 21:31	Ilya	CPPg++13.3.0	Success	4,355
Jun 4, 2026 21:25	Ilya	CPPg++13.3.0	Success	4,315
Jun 4, 2026 21:23	Ilya	CPPg++13.3.0	Success	4,337
Jun 4, 2026 21:21	Ilya	CPPg++13.3.0	Error
Jun 4, 2026 18:26	highloadLLM	CPPclang++18.1.3	Success	4,170
Jun 4, 2026 18:02	highloadLLM	CPPclang++18.1.3	Success	4,175
Jun 4, 2026 18:01	highloadLLM	CPPclang++18.1.3	Success	4,163
Jun 4, 2026 14:30	Maya Rebholz	CPPg++10.5.0	Success	4,342
Jun 4, 2026 14:29	Maya Rebholz	CPPg++10.5.0	Error
Jun 4, 2026 14:28	Maya Rebholz	CPPg++10.5.0	Success	4,354
Jun 4, 2026 14:26	Maya Rebholz	CPPg++10.5.0	Success	4,654
Jun 4, 2026 14:25	Maya Rebholz	CPPg++10.5.0	Success	4,401
Jun 4, 2026 14:25	highloadLLM	CPPclang++18.1.3	Success	4,171
Jun 4, 2026 14:24	Maya Rebholz	CPPg++10.5.0	Success	4,361
Jun 4, 2026 14:19	Maya Rebholz	CPPg++10.5.0	Success	4,344
Jun 4, 2026 14:16	Maya Rebholz	CPPg++10.5.0	Success	4,582
Jun 4, 2026 14:07	Maya Rebholz	CPPg++10.5.0	Success	4,360
Jun 4, 2026 14:07	Maya Rebholz	CPPg++10.5.0	Success	4,609
Jun 4, 2026 14:05	Maya Rebholz	CPPg++10.5.0	Success	4,339+3.18 RP
Jun 4, 2026 14:02	Maya Rebholz	CPPg++10.5.0	Success	4,399
Jun 4, 2026 13:37	Ilya	CPPg++13.3.0	Success	7,688
Jun 4, 2026 13:36	Ilya	CPPg++13.3.0	Error
Jun 4, 2026 13:28	Ilya	CPPg++13.3.0	Error
Jun 4, 2026 13:28	Ilya	CPPg++13.3.0	Error
Jun 4, 2026 13:26	Ilya	CPPg++13.3.0	Error
Jun 4, 2026 13:25	Ilya	CPPg++13.3.0	Error
Jun 4, 2026 13:23	Ilya	CPPg++13.3.0	Error
Jun 4, 2026 07:21	Ilya	CPPg++13.3.0	Success	36,575
Jun 4, 2026 04:23	highloadLLM	CPPclang++18.1.3	Success	4,165
Jun 4, 2026 04:17	Elijah Kin	CPPclang++18.1.3	Error
Jun 4, 2026 04:16	Elijah Kin	CPPclang++18.1.3	Error
Jun 4, 2026 04:09	Elijah Kin	CPPclang++18.1.3	Success	41,675
Jun 4, 2026 04:03	Elijah Kin	CPPg++14.2.0	Success	7,418+135.95 RP
Jun 4, 2026 03:58	highloadLLM	CPPclang++18.1.3	Success	4,305
Jun 4, 2026 03:57	highloadLLM	CPPclang++18.1.3	Success	4,339
Jun 4, 2026 03:56	highloadLLM	CPPclang++18.1.3	Success	4,308
Jun 4, 2026 03:55	highloadLLM	CPPclang++18.1.3	Success	4,298
Jun 4, 2026 03:54	Elijah Kin	CPPg++14.2.0	Success	8,250+623.75 RP
Jun 4, 2026 03:48	Josu San Martin	CPPclang++18.1.3	Success	4,171
Jun 4, 2026 03:48	Elijah Kin	CPPg++14.2.0	Success	16,996+10.14 RP
Jun 4, 2026 03:43	Elijah Kin	CPPg++14.2.0	Success	17,294+381.60 RP
Jun 4, 2026 03:40	Josu San Martin	CPPclang++18.1.3	Success	4,173
Jun 4, 2026 03:36	highloadLLM	CPPclang++18.1.3	Success	31,704
Jun 4, 2026 03:36	Josu San Martin	CPPclang++18.1.3	Success	4,175
Jun 4, 2026 03:35	Josu San Martin	CPPclang++18.1.3	Success	4,176
Jun 4, 2026 03:35	highloadLLM	CPPclang++18.1.3	Success	10,405
Jun 4, 2026 03:35	Elijah Kin	CPPg++14.2.0	Success	50,855+193.31 RP
Jun 4, 2026 03:34	highloadLLM	CPPclang++18.1.3	Success	15,945
Jun 4, 2026 03:33	highloadLLM	CPPclang++18.1.3	Success	4,306
Jun 4, 2026 03:33	Josu San Martin	CPPclang++18.1.3	Success	4,165+0.58 RP
Jun 4, 2026 03:32	highloadLLM	CPPclang++18.1.3	Success	4,310
Jun 4, 2026 03:31	highloadLLM	CPPclang++18.1.3	Success	4,315
Jun 4, 2026 03:30	highloadLLM	CPPclang++18.1.3	Success	4,307
Jun 4, 2026 03:29	highloadLLM	CPPclang++18.1.3	Success	4,340
Jun 4, 2026 03:29	Josu San Martin	CPPclang++18.1.3	Success	4,174
Jun 4, 2026 03:28	highloadLLM	CPPclang++18.1.3	Success	4,187
Jun 4, 2026 03:27	highloadLLM	CPPclang++18.1.3	Success	4,165
Jun 4, 2026 01:30	highloadLLM	CPPclang++18.1.3	Success	4,176
Jun 4, 2026 01:25	highloadLLM	CPPclang++20.1.2	Success	4,206
Jun 4, 2026 00:00	highloadLLM	CPPclang++18.1.3	Success	4,186
Jun 3, 2026 21:10	highloadLLM	CPPclang++18.1.3	Success	4,337
Jun 3, 2026 21:09	highloadLLM	CPPclang++18.1.3	Success	4,503
Jun 3, 2026 21:08	highloadLLM	CPPclang++18.1.3	Success	4,322
Jun 3, 2026 21:07	highloadLLM	CPPclang++18.1.3	Success	4,311
Jun 3, 2026 21:06	highloadLLM	CPPclang++18.1.3	Success	4,487
Jun 3, 2026 21:05	highloadLLM	CPPclang++18.1.3	Success	4,414
Jun 3, 2026 21:04	highloadLLM	CPPclang++18.1.3	Success	4,401
Jun 3, 2026 21:03	highloadLLM	CPPclang++18.1.3	Success	4,391
Jun 3, 2026 21:02	highloadLLM	CPPclang++18.1.3	Success	4,277
Jun 3, 2026 21:01	highloadLLM	CPPclang++18.1.3	Success	4,266
Jun 3, 2026 20:24	highloadLLM	CPPclang++18.1.3	Success	4,166
Jun 3, 2026 20:24	highloadLLM	CPPclang++18.1.3	Success	4,165
Jun 3, 2026 20:23	highloadLLM	CPPclang++18.1.3	Success	4,168
Jun 3, 2026 20:22	highloadLLM	CPPclang++18.1.3	Success	4,164
Jun 3, 2026 20:21	highloadLLM	CPPclang++20.1.2	Success	4,181
Jun 3, 2026 20:21	highloadLLM	CPPclang++18.1.3	Success	4,163+1.15 RP
Jun 3, 2026 20:20	highloadLLM	CPPclang++18.1.3	Error
Jun 3, 2026 20:19	highloadLLM	CPPclang++18.1.3	Success	4,168
Jun 3, 2026 20:16	highloadLLM	CPPclang++18.1.3	Success	4,166
Jun 3, 2026 20:15	highloadLLM	CPPclang++18.1.3	Success	4,177
Jun 3, 2026 20:14	highloadLLM	CPPclang++18.1.3	Success	4,170

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