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
Mar 28, 2026 10:42	olliecrow	RUSTrust-1.94.0	Success	4,480
Mar 28, 2026 10:42	olliecrow	RUSTrust-1.94.0	Success	5,313
Mar 28, 2026 10:39	olliecrow	RUSTrust-1.94.0	Success	4,340+1.59 RP
Mar 28, 2026 10:39	olliecrow	RUSTrust-1.94.0	Success	4,343+1.59 RP
Mar 28, 2026 10:38	olliecrow	RUSTrust-1.94.0	Success	4,404
Mar 28, 2026 10:28	olliecrow	RUSTrust-1.94.0	Success	4,346
Mar 28, 2026 10:26	olliecrow	RUSTrust-1.94.0	Success	4,346
Mar 28, 2026 10:23	olliecrow	RUSTrust-1.94.0	Success	4,498
Mar 28, 2026 10:21	olliecrow	RUSTrust-1.94.0	Error
Mar 28, 2026 10:19	olliecrow	RUSTrust-1.94.0	Success	4,414
Mar 28, 2026 10:17	olliecrow	RUSTrust-1.94.0	Success	4,346+0.53 RP
Mar 28, 2026 10:09	olliecrow	RUSTrust-1.94.0	Success	4,347+1.06 RP
Mar 28, 2026 10:08	olliecrow	RUSTrust-1.94.0	Success	4,349+23.03 RP
Mar 28, 2026 09:56	olliecrow	RUSTrust-1.94.0	Success	4,410
Mar 28, 2026 09:56	olliecrow	RUSTrust-1.94.0	Success	4,426
Mar 28, 2026 09:48	olliecrow	RUSTrust-1.94.0	Success	4,420
Mar 28, 2026 09:47	olliecrow	RUSTrust-1.94.0	Success	10,820
Mar 28, 2026 09:36	olliecrow	RUSTrust-1.94.0	Success	4,407
Mar 28, 2026 09:36	olliecrow	RUSTrust-1.94.0	Success	4,398
Mar 28, 2026 09:35	olliecrow	RUSTrust-1.94.0	Success	4,393+1.55 RP
Mar 28, 2026 09:26	olliecrow	RUSTrust-1.94.0	Success	4,397
Mar 28, 2026 09:20	olliecrow	RUSTrust-1.94.0	Success	4,396+0.52 RP
Mar 28, 2026 09:12	olliecrow	RUSTrust-1.94.0	Success	4,419
Mar 28, 2026 08:54	olliecrow	RUSTrust-1.94.0	Success	4,431
Mar 28, 2026 08:45	olliecrow	RUSTrust-1.94.0	Success	4,427
Mar 28, 2026 08:41	olliecrow	RUSTrust-1.94.0	Success	4,435
Mar 28, 2026 08:37	olliecrow	RUSTrust-1.94.0	Success	4,428
Mar 28, 2026 08:36	olliecrow	RUSTrust-1.94.0	Success	4,428
Mar 28, 2026 08:31	olliecrow	RUSTrust-1.94.0	Success	4,428
Mar 28, 2026 08:30	olliecrow	RUSTrust-1.94.0	Success	4,428
Mar 28, 2026 08:24	olliecrow	RUSTrust-1.94.0	Success	4,657
Mar 28, 2026 08:22	olliecrow	RUSTrust-1.94.0	Success	4,423
Mar 28, 2026 08:17	olliecrow	RUSTrust-1.94.0	Success	4,422
Mar 28, 2026 08:17	olliecrow	RUSTrust-1.94.0	Success	4,435
Mar 28, 2026 08:15	olliecrow	RUSTrust-1.94.0	Success	4,422
Mar 28, 2026 08:15	olliecrow	RUSTrust-1.94.0	Success	4,422
Mar 28, 2026 08:12	olliecrow	RUSTrust-1.94.0	Success	4,412
Mar 28, 2026 08:12	olliecrow	RUSTrust-1.94.0	Success	4,430
Mar 28, 2026 08:10	olliecrow	RUSTrust-1.94.0	Success	4,412
Mar 28, 2026 08:10	olliecrow	RUSTrust-1.94.0	Success	4,426
Mar 28, 2026 08:06	olliecrow	RUSTrust-1.94.0	Success	4,437
Mar 28, 2026 08:04	olliecrow	RUSTrust-1.94.0	Success	4,408
Mar 28, 2026 08:01	olliecrow	RUSTrust-1.94.0	Success	4,432
Mar 28, 2026 07:59	olliecrow	RUSTrust-1.94.0	Success	4,430
Mar 28, 2026 07:52	olliecrow	RUSTrust-1.94.0	Success	4,431
Mar 28, 2026 07:51	olliecrow	RUSTrust-1.94.0	Success	4,435
Mar 28, 2026 07:50	olliecrow	RUSTrust-1.94.0	Success	4,430
Mar 28, 2026 07:48	olliecrow	RUSTrust-1.94.0	Success	4,437
Mar 28, 2026 07:46	olliecrow	RUSTrust-1.94.0	Success	4,413
Mar 28, 2026 07:37	olliecrow	RUSTrust-1.94.0	Success	4,428
Mar 28, 2026 03:48	Dominique Garmier	CPPg++13.3.0	Success	5,825
Mar 28, 2026 00:45	Dominique Garmier	CPPg++13.3.0	Success	5,325
Mar 27, 2026 21:20	olliecrow	RUSTrust-1.94.0	Success	4,402
Mar 27, 2026 21:18	olliecrow	RUSTrust-1.94.0	Success	4,431
Mar 27, 2026 17:11	Dominique Garmier	RUSTrust-1.94.0	Success	4,592
Mar 27, 2026 16:55	Dominique Garmier	ZIG0.13.0	Success	4,520
Mar 27, 2026 16:53	Dominique Garmier	RUSTrust-1.94.1	Success	151,115
Mar 27, 2026 15:32	olliecrow	CPPg++13.3.0	Success	4,372
Mar 27, 2026 13:56	Dominique Garmier	CPPg++13.3.0	Success	4,608
Mar 27, 2026 13:54	Dominique Garmier	CPPg++13.3.0	Success	10,752
Mar 27, 2026 13:15	Dominique Garmier	RUSTrust-1.94.0	Success	151,171
Mar 27, 2026 08:12	Dominique Garmier	RUSTrust-1.94.1	Success	4,595
Mar 27, 2026 07:13	limanjun99	CPPg++13.3.0	Success	4,291
Mar 27, 2026 06:50	limanjun99	CPPg++13.3.0	Success	4,280
Mar 27, 2026 06:22	limanjun99	CPPg++13.3.0	Success	4,732
Mar 27, 2026 05:50	Dominique Garmier	CPPg++13.3.0	Success	4,508
Mar 27, 2026 05:44	limanjun99	CPPg++13.3.0	Success	4,360
Mar 27, 2026 05:38	limanjun99	CPPg++13.3.0	Success	4,958
Mar 27, 2026 05:32	limanjun99	CPPg++13.3.0	Success	5,704
Mar 27, 2026 05:27	limanjun99	CPPg++13.3.0	Success	4,959
Mar 27, 2026 05:15	Dominique Garmier	CPPclang++18.1.3	Success	4,761
Mar 27, 2026 04:34	limanjun99	CPPg++13.3.0	Success	4,385
Mar 27, 2026 04:31	limanjun99	CPPg++13.3.0	Success	4,376
Mar 27, 2026 04:28	limanjun99	CPPg++13.3.0	Success	4,439
Mar 27, 2026 04:27	Dominique Garmier	RUSTrust-1.94.1	Success	151,179
Mar 27, 2026 04:12	limanjun99	CPPg++13.3.0	Success	5,002
Mar 27, 2026 04:05	limanjun99	CPPg++13.3.0	Success	4,415
Mar 27, 2026 04:00	limanjun99	CPPg++13.3.0	Success	4,464
Mar 27, 2026 00:02	Dominique Garmier	CPPclang++18.1.3	Success	5,484
Mar 27, 2026 00:02	Dominique Garmier	CPPclang++18.1.3	Success	5,512
Mar 26, 2026 23:00	Dominique Garmier	GOgo1.26.1	Success	15,119
Mar 26, 2026 22:58	Dominique Garmier	GOgo1.26.1	Error
Mar 26, 2026 22:29	Dominique Garmier	GOgo1.26.1	Success	5,901
Mar 26, 2026 17:58	Arseniy Korobenko	CPPclang++18.1.3	Success	4,744
Mar 26, 2026 17:54	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 26, 2026 15:32	limanjun99	CPPg++13.3.0	Success	4,334
Mar 26, 2026 15:32	limanjun99	CPPg++13.3.0	Success	4,285
Mar 26, 2026 15:31	limanjun99	CPPg++13.3.0	Success	4,339
Mar 26, 2026 15:17	Dominique Garmier	CPPclang++18.1.3	Success	4,752
Mar 26, 2026 15:11	limanjun99	CPPg++13.3.0	Success	4,277
Mar 26, 2026 15:11	limanjun99	CPPg++13.3.0	Success	4,260+3.85 RP
Mar 26, 2026 15:07	limanjun99	CPPg++13.3.0	Success	4,267+1.65 RP
Mar 26, 2026 15:03	limanjun99	CPPg++13.3.0	Success	4,270
Mar 26, 2026 15:01	limanjun99	CPPg++13.3.0	Success	4,274
Mar 26, 2026 14:55	limanjun99	CPPg++13.3.0	Success	4,271
Mar 26, 2026 14:54	limanjun99	CPPg++13.3.0	Success	4,270+3.29 RP
Mar 26, 2026 14:51	limanjun99	CPPg++13.3.0	Success	4,276+1.09 RP
Mar 26, 2026 14:50	limanjun99	CPPg++13.3.0	Success	4,340
Mar 26, 2026 14:41	limanjun99	CPPg++13.3.0	Success	4,296
Mar 26, 2026 14:35	limanjun99	CPPg++13.3.0	Success	4,370

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