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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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
Aug 20, 2026 21:58	Aniruddha Deb	CPPg++14.2.0	Success	3,995
Aug 20, 2026 20:52	Aniruddha Deb	CPPg++14.2.0	Success	4,000
Aug 20, 2026 19:42	Aniruddha Deb	CPPg++14.2.0	Success	3,992
Aug 20, 2026 19:12	Aniruddha Deb	CPPg++14.2.0	Success	3,993
Aug 20, 2026 19:10	Aniruddha Deb	CPPg++14.2.0	Success	3,993
Aug 20, 2026 18:59	Aniruddha Deb	CPPg++14.2.0	Success	3,998
Aug 20, 2026 18:56	Aniruddha Deb	CPPg++14.2.0	Success	3,994
Aug 20, 2026 18:54	Aniruddha Deb	CPPg++14.2.0	Success	192,693
Aug 20, 2026 18:15	Aniruddha Deb	CPPg++14.2.0	Success	3,992
Aug 20, 2026 18:13	Aniruddha Deb	CPPg++14.2.0	Success	3,994
Aug 20, 2026 18:08	Aniruddha Deb	CPPg++14.2.0	Success	3,995
Aug 20, 2026 18:07	Aniruddha Deb	CPPg++14.2.0	Success	15,612
Aug 20, 2026 17:38	Aniruddha Deb	CPPg++14.2.0	Success	3,988+14.38 RP
Aug 20, 2026 17:36	Aniruddha Deb	CPPg++14.2.0	Success	6,860
Aug 20, 2026 17:26	Aniruddha Deb	CPPg++14.2.0	Success	4,011
Aug 20, 2026 14:36	Aniruddha Deb	CPPg++14.2.0	Success	6,885
Aug 20, 2026 14:33	Aniruddha Deb	CPPg++14.2.0	Success	4,011+4.34 RP
Aug 20, 2026 14:30	Aniruddha Deb	CPPg++14.2.0	Success	6,920
Aug 19, 2026 18:02	Aniruddha Deb	CPPg++14.2.0	Success	6,980
Aug 19, 2026 12:30	Aniruddha Deb	CPPclang++20.1.2	Success	4,031
Aug 19, 2026 12:28	Aniruddha Deb	CPPg++14.2.0	Success	4,025
Aug 19, 2026 12:26	Aniruddha Deb	CPPg++14.2.0	Success	6,914
Aug 19, 2026 12:23	Aniruddha Deb	CPPg++14.2.0	Success	6,710
Aug 19, 2026 12:16	Aniruddha Deb	CPPg++14.2.0	Success	6,721
Aug 19, 2026 12:11	Aniruddha Deb	CPPg++14.2.0	Success	6,424
Aug 19, 2026 11:03	Aniruddha Deb	CPPg++14.2.0	Success	4,018+7.41 RP
Aug 19, 2026 11:01	Aniruddha Deb	CPPg++14.2.0	Success	4,106
Aug 19, 2026 10:55	Aniruddha Deb	CPPg++14.2.0	Success	4,093
Aug 19, 2026 10:52	Aniruddha Deb	CPPg++14.2.0	Success	4,106
Aug 19, 2026 10:50	Aniruddha Deb	CPPg++14.2.0	Success	4,038
Aug 19, 2026 10:49	Aniruddha Deb	CPPg++14.2.0	Success	4,049
Aug 19, 2026 10:45	Aniruddha Deb	CPPg++14.2.0	Success	4,046
Aug 19, 2026 10:44	Aniruddha Deb	CPPg++14.2.0	Success	4,034
Aug 19, 2026 10:37	Aniruddha Deb	CPPg++14.2.0	Success	4,094
Aug 19, 2026 07:25	Aniruddha Deb	CPPg++14.2.0	Success	4,033
Aug 19, 2026 07:16	Aniruddha Deb	CPPg++14.2.0	Success	4,103
Aug 18, 2026 23:20	Aniruddha Deb	CPPg++14.2.0	Success	4,032
Aug 18, 2026 23:18	Aniruddha Deb	CPPg++14.2.0	Success	4,075
Aug 18, 2026 23:13	Aniruddha Deb	CPPg++14.2.0	Success	4,106
Aug 18, 2026 22:50	Aniruddha Deb	CPPg++14.2.0	Success	4,042
Aug 18, 2026 22:49	Aniruddha Deb	CPPg++14.2.0	Success	4,112
Aug 18, 2026 22:43	Aniruddha Deb	CPPg++14.2.0	Success	4,030+3.07 RP
Aug 18, 2026 22:38	Aniruddha Deb	CPPg++14.2.0	Success	4,094
Aug 18, 2026 22:22	Aniruddha Deb	CPPg++14.2.0	Success	4,035+38.70 RP
Aug 18, 2026 22:12	Aniruddha Deb	CPPg++14.2.0	Success	4,107
Aug 18, 2026 21:59	Aniruddha Deb	CPPg++14.2.0	Success	4,195
Aug 18, 2026 21:51	Aniruddha Deb	CPPg++14.2.0	Success	4,199
Aug 18, 2026 21:47	Nao Yonashiro	CPPclang++20.1.2	Success	4,425
Aug 18, 2026 21:32	Aniruddha Deb	CPPg++14.2.0	Success	4,099+4.16 RP
Aug 18, 2026 21:32	Aniruddha Deb	CPPg++14.2.0	Error
Aug 18, 2026 21:08	Aniruddha Deb	CPPg++14.2.0	Success	4,106+43.69 RP
Aug 18, 2026 21:03	Aniruddha Deb	CPPclang++20.1.2	Success	4,484
Aug 18, 2026 21:01	Aniruddha Deb	CPPg++14.2.0	Error
Aug 18, 2026 21:00	Aniruddha Deb	CPPg++14.2.0	Success	4,485
Aug 18, 2026 20:52	Aniruddha Deb	CPPg++14.2.0	Success	4,181+48.21 RP
Aug 18, 2026 20:49	Aniruddha Deb	CPPg++14.2.0	Success	4,527
Aug 18, 2026 20:43	Aniruddha Deb	CPPg++14.2.0	Success	4,516
Aug 18, 2026 20:35	Aniruddha Deb	CPPg++14.2.0	Success	4,694
Aug 18, 2026 20:31	Aniruddha Deb	CPPg++14.2.0	Success	4,603
Aug 18, 2026 19:25	Aniruddha Deb	CPPg++14.2.0	Success	4,311
Aug 18, 2026 19:23	Aniruddha Deb	CPPg++14.2.0	Success	4,271
Aug 18, 2026 17:10	Nao Yonashiro	CPPclang++20.1.2	Success	4,279
Aug 18, 2026 17:07	Nao Yonashiro	CPPclang++20.1.2	Success	4,728
Aug 18, 2026 17:04	Nao Yonashiro	CPPg++13.3.0	Success	4,247
Aug 18, 2026 16:49	Nao Yonashiro	CPPg++14.2.0	Success	4,347
Aug 18, 2026 16:44	Nao Yonashiro	CPPg++14.2.0	Success	4,255
Aug 18, 2026 16:39	Nao Yonashiro	CPPg++14.2.0	Success	4,305
Aug 18, 2026 16:36	Nao Yonashiro	CPPg++14.2.0	Success	4,231+3.90 RP
Aug 18, 2026 16:34	Nao Yonashiro	CPPg++14.2.0	Success	4,238+1.67 RP
Aug 18, 2026 16:27	Nao Yonashiro	CPPg++14.2.0	Success	4,241+13.27 RP
Aug 18, 2026 16:22	Nao Yonashiro	CPPclang++20.1.2	Success	4,365
Aug 18, 2026 16:13	Nao Yonashiro	CPPclang++20.1.2	Success	4,276
Aug 18, 2026 16:11	Nao Yonashiro	CPPclang++20.1.2	Success	4,287
Aug 18, 2026 16:10	Nao Yonashiro	CPPclang++20.1.2	Success	4,286
Aug 18, 2026 16:01	Nao Yonashiro	CPPclang++20.1.2	Success	4,270
Aug 18, 2026 15:53	Nao Yonashiro	CPPclang++20.1.2	Success	4,272
Aug 18, 2026 15:48	Nao Yonashiro	CPPclang++20.1.2	Success	4,271
Aug 18, 2026 15:44	Nao Yonashiro	CPPclang++20.1.2	Success	4,297
Aug 18, 2026 15:40	Nao Yonashiro	CPPclang++20.1.2	Success	4,364
Aug 18, 2026 15:25	Nao Yonashiro	CPPclang++20.1.2	Success	6,001
Aug 18, 2026 15:16	Nao Yonashiro	CPPclang++20.1.2	Success	4,265+85.29 RP
Aug 18, 2026 14:18	flavio87	CPPg++14.2.0	Success	4,155+8.08 RP
Aug 18, 2026 12:13	flavio87	CPPclang++18.1.3	Success	4,192
Aug 18, 2026 11:59	flavio87	CPPclang++18.1.3	Success	4,169+4.02 RP
Aug 18, 2026 11:05	flavio87	CPPclang++18.1.3	Success	4,176+95.26 RP
Aug 18, 2026 10:55	Danusan	CPPg++10.5.0	Success	23,552
Aug 18, 2026 10:49	Danusan	CPPg++10.5.0	Success	12,050+623.21 RP
Aug 18, 2026 10:44	flavio87	CPPclang++18.1.3	Success	4,349+2'299.38 RP
Aug 18, 2026 10:38	Danusan	CPPg++10.5.0	Error
Aug 18, 2026 10:23	Danusan	CPPg++10.5.0	Success	48,388+206.66 RP
Aug 18, 2026 02:03	Josu San Martin	CSHARP10.0.7	Success	4,531
Aug 18, 2026 02:00	Josu San Martin	GOgo1.26.2	Success	4,529
Aug 18, 2026 01:59	Josu San Martin	ZIG0.15.1	Success	4,146
Aug 18, 2026 01:57	Josu San Martin	RUSTrust-1.95.0	Success	4,341
Aug 17, 2026 21:17	Aniruddha Deb	CPPg++14.2.0	Success	4,277
Aug 17, 2026 21:06	Aniruddha Deb	CPPg++14.2.0	Success	4,267+99.91 RP
Aug 17, 2026 20:54	Aniruddha Deb	CPPg++14.2.0	Success	4,500
Aug 17, 2026 20:43	Aniruddha Deb	CPPclang++20.1.2	Success	4,553
Aug 17, 2026 11:17	Tomislav Tunkovic	CSHARP9.0.15	Success	4,486
Aug 17, 2026 03:24	ryanfanchiotti	CPPg++10.5.0	Success	5,470+11.62 RP

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