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 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
Mar 26, 2026 14:35	limanjun99	CPPg++13.3.0	Success	4,422
Mar 26, 2026 14:35	limanjun99	CPPg++13.3.0	Success	4,413
Mar 26, 2026 14:34	limanjun99	CPPg++13.3.0	Success	4,406
Mar 26, 2026 14:20	limanjun99	CPPg++13.3.0	Success	4,411
Mar 26, 2026 14:20	limanjun99	CPPg++13.3.0	Success	10,595
Mar 26, 2026 14:19	limanjun99	CPPg++13.3.0	Success	4,543
Mar 26, 2026 13:35	limanjun99	CPPg++13.3.0	Success	4,278+186.54 RP
Mar 26, 2026 10:55	Dominique Garmier	RUSTrust-1.94.0	Success	5,323
Mar 26, 2026 10:41	Dominique Garmier	RUSTrust-1.94.0	Success	5,325
Mar 26, 2026 10:23	Dominique Garmier	RUSTrust-1.94.0	Success	147,693
Mar 25, 2026 21:06	Dominique Garmier	ZIG0.13.0	Success	5,215
Mar 25, 2026 20:31	Dominique Garmier	ZIG0.13.0	Success	5,676
Mar 25, 2026 20:08	Dominique Garmier	RUSTrust-1.94.0	Success	193,586
Mar 25, 2026 19:56	Dominique Garmier	ZIG0.13.0	Success	5,379
Mar 25, 2026 19:55	Dominique Garmier	ZIG0.13.0	Success	5,293
Mar 25, 2026 17:19	Dominique Garmier	ZIG0.13.0	Success	5,396
Mar 25, 2026 16:48	syllex	CPPg++13.3.0	Success	59,439
Mar 25, 2026 16:45	syllex	CPPg++13.3.0	Success	50,702
Mar 25, 2026 16:39	syllex	CPPg++13.3.0	Success	50,594
Mar 25, 2026 16:35	syllex	CPPg++13.3.0	Success	50,573+27.20 RP
Mar 25, 2026 16:29	syllex	CPPg++13.3.0	Error
Mar 25, 2026 16:00	syllex	CPPg++13.3.0	Success	58,676
Mar 25, 2026 15:49	syllex	CPPg++13.3.0	Success	58,640+170.53 RP
Mar 25, 2026 15:20	Dominique Garmier	ZIG0.13.0	Success	5,207
Mar 25, 2026 14:02	olliecrow	CPPg++13.3.0	Success	4,358
Mar 25, 2026 13:30	Dominique Garmier	ZIG0.13.0	Success	6,936
Mar 25, 2026 12:45	limanjun99	CPPg++13.3.0	Success	5,283
Mar 25, 2026 12:40	limanjun99	CPPg++13.3.0	Success	5,409
Mar 25, 2026 12:37	limanjun99	CPPg++13.3.0	Success	5,273
Mar 25, 2026 12:35	limanjun99	CPPg++13.3.0	Success	5,279
Mar 25, 2026 12:34	Dominique Garmier	RUSTrust-1.94.0	Success	5,358
Mar 25, 2026 12:28	limanjun99	CPPg++13.3.0	Success	5,646
Mar 25, 2026 12:25	limanjun99	CPPg++13.3.0	Success	4,970
Mar 25, 2026 12:24	limanjun99	CPPg++13.3.0	Success	4,771
Mar 25, 2026 12:23	limanjun99	CPPg++13.3.0	Success	4,799
Mar 25, 2026 12:20	limanjun99	CPPg++13.3.0	Success	4,700
Mar 25, 2026 12:20	limanjun99	CPPg++13.3.0	Success	4,838
Mar 25, 2026 12:19	limanjun99	CPPg++13.3.0	Success	4,680
Mar 25, 2026 12:19	limanjun99	CPPg++13.3.0	Success	4,673
Mar 25, 2026 12:18	limanjun99	CPPg++13.3.0	Success	4,688
Mar 25, 2026 12:11	limanjun99	CPPg++13.3.0	Success	4,862
Mar 25, 2026 12:11	limanjun99	CPPg++13.3.0	Success	4,857
Mar 25, 2026 12:10	limanjun99	CPPg++13.3.0	Success	4,825
Mar 25, 2026 12:10	limanjun99	CPPg++13.3.0	Success	4,803

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