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
Apr 13, 2026 02:15	Joad Nacer	CPPclang++18.1.3	Error
Apr 13, 2026 02:15	Joad Nacer	CPPclang++18.1.3	Error
Apr 13, 2026 02:14	Joad Nacer	CPPclang++18.1.3	Error
Apr 13, 2026 02:13	Joad Nacer	CPPclang++18.1.3	Error
Apr 13, 2026 02:13	Joad Nacer	CPPclang++18.1.3	Error
Apr 13, 2026 02:12	Joad Nacer	CPPclang++18.1.3	Success	7,944
Apr 13, 2026 01:54	Josu San Martin	CPPg++13.3.0	Success	4,475
Apr 13, 2026 01:51	Josu San Martin	CPPg++13.3.0	Success	4,473
Apr 13, 2026 01:50	Josu San Martin	CPPg++13.3.0	Success	4,588
Apr 13, 2026 01:46	Josu San Martin	CPPg++13.3.0	Success	4,459
Apr 13, 2026 01:45	Josu San Martin	CPPg++13.3.0	Success	4,435
Apr 13, 2026 01:26	Josu San Martin	CPPg++13.3.0	Success	4,524
Apr 13, 2026 01:00	Josu San Martin	CPPg++13.3.0	Success	4,512
Apr 13, 2026 00:41	Josu San Martin	CPPg++13.3.0	Success	4,489
Apr 13, 2026 00:40	Josu San Martin	CPPg++13.3.0	Success	4,576
Apr 13, 2026 00:37	Josu San Martin	CPPg++13.3.0	Success	4,546
Apr 13, 2026 00:29	Josu San Martin	CPPg++13.3.0	Success	4,568
Apr 13, 2026 00:14	Josu San Martin	CPPg++13.3.0	Success	4,446
Apr 13, 2026 00:14	Josu San Martin	CPPg++13.3.0	Success	4,586
Apr 12, 2026 23:39	Josu San Martin	CPPg++13.3.0	Success	4,457
Apr 12, 2026 23:38	Josu San Martin	CPPg++13.3.0	Error
Apr 12, 2026 23:38	Josu San Martin	CPPclang++18.1.3	Error
Apr 12, 2026 23:38	Josu San Martin	CPPclang++18.1.3	Error
Apr 12, 2026 23:33	Josu San Martin	CPPg++13.3.0	Success	5,515
Apr 12, 2026 23:32	Josu San Martin	CPPg++13.3.0	Success	4,598
Apr 12, 2026 23:30	Josu San Martin	CPPg++13.3.0	Success	4,604
Apr 12, 2026 23:26	Josu San Martin	CPPg++13.3.0	Success	5,398
Apr 12, 2026 23:25	Josu San Martin	CPPg++13.3.0	Success	4,758
Apr 12, 2026 23:24	Josu San Martin	CPPg++13.3.0	Success	4,464
Apr 12, 2026 23:22	Josu San Martin	CPPg++13.3.0	Success	4,466
Apr 12, 2026 23:21	Josu San Martin	CPPg++13.3.0	Success	4,550
Apr 12, 2026 23:18	Josu San Martin	CPPclang++18.1.3	Success	4,658
Apr 12, 2026 23:18	Josu San Martin	CPPclang++18.1.3	Success	4,648
Apr 12, 2026 23:18	Josu San Martin	CPPclang++18.1.3	Success	4,677
Apr 12, 2026 23:16	Josu San Martin	CPPg++13.3.0	Success	4,500
Apr 12, 2026 23:16	Josu San Martin	CPPg++13.3.0	Success	4,453
Apr 12, 2026 23:09	Josu San Martin	CPPg++13.3.0	Success	4,525
Apr 12, 2026 23:03	Josu San Martin	CPPg++13.3.0	Success	5,892
Apr 12, 2026 23:02	Josu San Martin	CPPg++13.3.0	Success	4,460
Apr 12, 2026 23:02	Josu San Martin	CPPclang++18.1.3	Success	4,644
Apr 12, 2026 22:34	Pavel Samygin	CPPclang++18.1.3	Success	4,455+106.55 RP
Apr 12, 2026 22:33	Pavel Samygin	CPPclang++18.1.3	Success	4,677+1.83 RP
Apr 12, 2026 22:28	Pavel Samygin	CPPclang++18.1.3	Success	4,681+321.41 RP
Apr 12, 2026 22:25	Pavel Samygin	CPPclang++18.1.3	Error
Apr 12, 2026 17:43	Pavel Samygin	CPPclang++18.1.3	Success	5,634
Apr 12, 2026 17:42	Pavel Samygin	CPPclang++18.1.3	Success	5,638
Apr 12, 2026 17:41	Pavel Samygin	CPPclang++18.1.3	Success	5,638
Apr 12, 2026 17:05	Pavel Samygin	CPPclang++18.1.3	Success	5,510+394.23 RP
Apr 12, 2026 17:01	Pavel Samygin	CPPclang++18.1.3	Error
Apr 12, 2026 16:05	Pavel Samygin	CPPclang++18.1.3	Success	7,039+1'417.26 RP
Apr 12, 2026 15:49	Pavel Samygin	CPPclang++18.1.3	Success	2,940,196+3.40 RP
Apr 10, 2026 20:39	Pavel Skripkin	RUSTrust-1.94.1	Success	5,338
Apr 10, 2026 20:13	Pavel Skripkin	RUSTrust-1.94.1	Success	4,873
Apr 10, 2026 20:11	Pavel Skripkin	RUSTrust-1.94.1	Success	4,756+326.41 RP
Apr 10, 2026 19:45	Pavel Skripkin	RUSTrust-1.94.1	Error
Apr 10, 2026 19:39	Pavel Skripkin	RUSTrust-1.94.1	Success	5,630+812.44 RP
Apr 10, 2026 19:38	Pavel Skripkin	RUSTrust-1.94.1	Error
Apr 10, 2026 19:33	Pavel Skripkin	RUSTrust-1.94.1	Success	10,418
Apr 10, 2026 19:31	Pavel Skripkin	RUSTrust-1.94.1	Success	10,376+935.18 RP
Apr 10, 2026 19:29	Pavel Skripkin	RUSTrust-1.94.1	Success	349,867+28.58 RP
Apr 10, 2026 19:29	Pavel Skripkin	RUSTrust-1.94.1	Error
Apr 10, 2026 19:28	Pavel Skripkin	RUSTrust-1.94.1	Error
Apr 10, 2026 19:23	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 19:21	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 19:19	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 19:18	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 19:16	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 19:15	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 19:15	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 19:13	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 19:12	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 19:12	Pavel Skripkin	CPPg++13.3.0	Error
Apr 10, 2026 16:29	Oleg Skinderev	CPPclang++18.1.3	Success	19,004+0.03 RP
Apr 10, 2026 16:26	Oleg Skinderev	CPPclang++18.1.3	Error
Apr 10, 2026 16:25	Oleg Skinderev	CPPclang++18.1.3	Success	19,084
Apr 10, 2026 16:21	Oleg Skinderev	CPPclang++18.1.3	Success	19,005+329.10 RP
Apr 10, 2026 16:19	Oleg Skinderev	CPPg++13.3.0	Success	50,742+0.08 RP
Apr 10, 2026 16:18	Oleg Skinderev	CPPg++13.3.0	Success	50,818
Apr 10, 2026 16:18	Oleg Skinderev	CPPg++13.3.0	Error
Apr 10, 2026 16:18	Oleg Skinderev	CPPg++13.3.0	Error
Apr 10, 2026 16:15	Oleg Skinderev	CPPg++13.3.0	Error
Apr 10, 2026 16:14	Oleg Skinderev	CPPg++13.3.0	Error
Apr 10, 2026 16:12	Oleg Skinderev	CPPg++13.3.0	Error
Apr 10, 2026 16:12	Oleg Skinderev	CPPg++13.3.0	Error
Apr 10, 2026 16:11	Oleg Skinderev	CPPg++13.3.0	Success	50,780
Apr 10, 2026 16:10	Oleg Skinderev	CPPg++13.3.0	Success	50,763+193.63 RP
Apr 10, 2026 16:07	Oleg Skinderev	CPPg++13.3.0	Error
Apr 10, 2026 16:06	Oleg Skinderev	CPPg++13.3.0	Error
Apr 10, 2026 16:01	Oleg Skinderev	CPPg++13.3.0	Success	2,969,342+3.37 RP
Apr 9, 2026 17:35	olliecrow	GOgo1.26.2	Success	4,826
Apr 9, 2026 16:26	olliecrow	ZIG0.14.0	Success	4,367+74.57 RP
Apr 9, 2026 16:10	olliecrow	CSHARP9.0.14	Success	13,750
Apr 9, 2026 09:28	olliecrow	GOgo1.26.2	Success	4,831
Apr 8, 2026 16:38	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,631
Apr 8, 2026 16:37	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,616
Apr 8, 2026 16:27	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,598
Apr 8, 2026 16:27	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	6,003
Apr 8, 2026 16:24	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,787
Apr 8, 2026 09:03	olliecrow	RUSTrust-1.94.0	Success	4,345
Apr 7, 2026 09:24	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	5,607

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