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 20, 2026 00:31	olliecrow	RUSTrust-1.94.0	Success	4,568
Mar 20, 2026 00:26	olliecrow	RUSTrust-1.94.0	Success	4,415
Mar 20, 2026 00:19	olliecrow	RUSTrust-1.94.0	Success	4,418
Mar 20, 2026 00:17	olliecrow	RUSTrust-1.94.0	Success	4,415
Mar 20, 2026 00:15	olliecrow	RUSTrust-1.94.0	Success	4,428
Mar 20, 2026 00:14	olliecrow	RUSTrust-1.94.0	Success	4,422
Mar 20, 2026 00:11	olliecrow	RUSTrust-1.94.0	Success	4,422
Mar 20, 2026 00:08	olliecrow	RUSTrust-1.94.0	Success	4,410
Mar 20, 2026 00:05	olliecrow	RUSTrust-1.94.0	Success	4,422
Mar 20, 2026 00:04	olliecrow	RUSTrust-1.94.0	Success	4,418
Mar 20, 2026 00:02	olliecrow	RUSTrust-1.94.0	Success	4,425
Mar 20, 2026 00:01	olliecrow	RUSTrust-1.94.0	Success	4,603
Mar 19, 2026 23:59	olliecrow	RUSTrust-1.94.0	Success	4,411
Mar 19, 2026 23:57	olliecrow	RUSTrust-1.94.0	Success	4,407
Mar 19, 2026 23:55	olliecrow	RUSTrust-1.94.0	Success	4,429
Mar 19, 2026 23:52	olliecrow	RUSTrust-1.94.0	Success	4,423
Mar 19, 2026 23:47	olliecrow	RUSTrust-1.94.0	Success	4,409
Mar 19, 2026 23:44	olliecrow	RUSTrust-1.94.0	Success	4,406
Mar 19, 2026 23:40	olliecrow	RUSTrust-1.94.0	Success	4,397+1.03 RP
Mar 19, 2026 23:29	olliecrow	RUSTrust-1.94.0	Error
Mar 19, 2026 23:27	olliecrow	RUSTrust-1.94.0	Success	4,428
Mar 19, 2026 23:10	olliecrow	CPPg++13.3.0	Success	4,358
Mar 19, 2026 23:07	olliecrow	CPPg++13.3.0	Success	4,361
Mar 19, 2026 23:05	olliecrow	CPPg++13.3.0	Success	4,353
Mar 19, 2026 23:03	olliecrow	CPPg++13.3.0	Success	4,365
Mar 19, 2026 23:01	olliecrow	CPPg++13.3.0	Success	4,362
Mar 19, 2026 23:00	olliecrow	CPPg++13.3.0	Success	4,358
Mar 19, 2026 22:47	olliecrow	CPPg++13.3.0	Success	4,362
Mar 19, 2026 22:42	olliecrow	CPPg++13.3.0	Success	4,349
Mar 19, 2026 22:39	olliecrow	CPPg++13.3.0	Success	4,358
Mar 19, 2026 22:36	olliecrow	CPPg++13.3.0	Success	4,367
Mar 19, 2026 22:03	Dominique Garmier	CPPclang++18.1.3	Error
Mar 19, 2026 21:00	olliecrow	RUSTrust-1.94.0	Success	4,418
Mar 19, 2026 20:57	olliecrow	RUSTrust-1.94.0	Success	4,413
Mar 19, 2026 20:49	olliecrow	RUSTrust-1.94.0	Success	4,570
Mar 19, 2026 20:47	olliecrow	RUSTrust-1.94.0	Success	4,544
Mar 19, 2026 20:45	olliecrow	RUSTrust-1.94.0	Error
Mar 19, 2026 20:43	olliecrow	RUSTrust-1.94.0	Error
Mar 19, 2026 20:37	olliecrow	CPPg++13.3.0	Success	4,346
Mar 19, 2026 20:34	olliecrow	CPPg++13.3.0	Success	4,346
Mar 19, 2026 20:34	olliecrow	CPPg++13.3.0	Success	4,360
Mar 19, 2026 20:33	olliecrow	CPPg++13.3.0	Success	4,346
Mar 19, 2026 20:32	olliecrow	CPPg++13.3.0	Success	4,368
Mar 19, 2026 20:29	olliecrow	CPPg++13.3.0	Success	4,369
Mar 19, 2026 20:28	olliecrow	CPPg++13.3.0	Success	4,350
Mar 19, 2026 20:28	olliecrow	CPPg++13.3.0	Success	4,350
Mar 19, 2026 20:27	olliecrow	CPPg++13.3.0	Success	4,359
Mar 19, 2026 20:25	olliecrow	CPPg++13.3.0	Success	4,358
Mar 19, 2026 20:25	olliecrow	CPPg++13.3.0	Success	4,344
Mar 19, 2026 20:24	olliecrow	CPPg++13.3.0	Success	4,360
Mar 19, 2026 20:24	olliecrow	CPPg++13.3.0	Success	4,341
Mar 19, 2026 20:23	olliecrow	CPPg++13.3.0	Success	4,349
Mar 19, 2026 20:23	olliecrow	CPPg++13.3.0	Success	4,342
Mar 19, 2026 20:22	olliecrow	CPPg++13.3.0	Success	4,363
Mar 19, 2026 20:21	olliecrow	CPPg++13.3.0	Success	4,344
Mar 19, 2026 20:19	olliecrow	CPPg++13.3.0	Success	4,349
Mar 19, 2026 20:17	olliecrow	CPPg++13.3.0	Success	4,345
Mar 19, 2026 20:15	olliecrow	CPPg++13.3.0	Success	4,343
Mar 19, 2026 20:13	olliecrow	CPPg++13.3.0	Success	4,369
Mar 19, 2026 20:07	olliecrow	CPPg++13.3.0	Success	4,350
Mar 19, 2026 20:05	olliecrow	CPPg++13.3.0	Success	4,350
Mar 19, 2026 20:04	olliecrow	CPPg++13.3.0	Success	4,519
Mar 19, 2026 19:50	olliecrow	CPPg++13.3.0	Success	4,377
Mar 19, 2026 19:41	olliecrow	CPPg++13.3.0	Success	4,503
Mar 19, 2026 18:57	Dominique Garmier	CPPg++13.3.0	Error
Mar 19, 2026 16:58	Dominique Garmier	CPPg++13.3.0	Success	4,478
Mar 19, 2026 15:43	Dominique Garmier	CPPg++13.3.0	Success	4,480
Mar 19, 2026 15:13	Dominique Garmier	CPPclang++18.1.3	Success	4,740
Mar 19, 2026 15:11	Dominique Garmier	CPPclang++18.1.3	Error
Mar 19, 2026 15:11	Dominique Garmier	CPPg++13.3.0	Error
Mar 19, 2026 05:14	Dominique Garmier	CPPg++13.3.0	Success	4,485
Mar 19, 2026 02:10	Dominique Garmier	CPPg++13.3.0	Error
Mar 19, 2026 02:10	Dominique Garmier	CPPg++13.3.0	Error
Mar 19, 2026 02:10	Dominique Garmier	CPPg++13.3.0	Error
Mar 19, 2026 02:10	Dominique Garmier	CPPg++13.3.0	Success	4,471+80.53 RP
Mar 19, 2026 02:06	Dominique Garmier	CPPg++13.3.0	Error
Mar 19, 2026 02:05	Dominique Garmier	CPPclang++18.1.3	Success	4,909
Mar 19, 2026 02:04	Dominique Garmier	CPPg++13.3.0	Success	4,665
Mar 19, 2026 02:02	Dominique Garmier	CPPg++13.3.0	Error
Mar 19, 2026 00:52	olliecrow	RUSTrust-1.94.0	Success	4,421
Mar 19, 2026 00:49	olliecrow	RUSTrust-1.94.0	Success	4,443
Mar 19, 2026 00:46	olliecrow	RUSTrust-1.94.0	Success	4,423
Mar 19, 2026 00:39	olliecrow	RUSTrust-1.94.0	Success	4,419
Mar 19, 2026 00:34	olliecrow	RUSTrust-1.94.0	Success	4,421
Mar 19, 2026 00:04	Dominique Garmier	CPPg++13.3.0	Success	4,641
Mar 18, 2026 23:58	Dominique Garmier	CPPg++13.3.0	Success	4,638+5.56 RP
Mar 18, 2026 23:57	olliecrow	RUSTrust-1.94.0	Success	4,412
Mar 18, 2026 23:53	olliecrow	RUSTrust-1.94.0	Success	4,409
Mar 18, 2026 23:45	olliecrow	RUSTrust-1.94.0	Success	4,421
Mar 18, 2026 23:40	olliecrow	RUSTrust-1.94.0	Success	4,413
Mar 18, 2026 23:37	Dominique Garmier	CPPg++13.3.0	Error
Mar 18, 2026 23:27	olliecrow	RUSTrust-1.94.0	Success	4,404
Mar 18, 2026 23:25	olliecrow	RUSTrust-1.94.0	Success	4,435
Mar 18, 2026 23:22	olliecrow	RUSTrust-1.94.0	Success	4,415
Mar 18, 2026 23:22	olliecrow	RUSTrust-1.94.0	Success	4,424
Mar 18, 2026 23:21	olliecrow	RUSTrust-1.94.0	Success	4,414
Mar 18, 2026 22:37	olliecrow	RUSTrust-1.94.0	Success	4,423
Mar 18, 2026 22:33	olliecrow	RUSTrust-1.94.0	Success	4,419
Mar 18, 2026 22:31	olliecrow	RUSTrust-1.94.0	Success	4,415
Mar 18, 2026 22:27	olliecrow	RUSTrust-1.94.0	Success	4,406

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