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
Apr 27, 2026 09:05	Charles Cabergs	CPPg++13.3.0	Success	19,955
Apr 27, 2026 07:02	Charles Cabergs	CPPg++13.3.0	Success	5,290
Apr 27, 2026 04:12	Charles Cabergs	CPPg++13.3.0	Success	19,927
Apr 27, 2026 03:52	olliecrow	CSHARP9.0.15	Success	12,041
Apr 27, 2026 01:36	Charles Cabergs	CPPg++13.3.0	Success	5,293
Apr 26, 2026 23:35	olliecrow	CSHARP9.0.15	Success	8,125
Apr 26, 2026 22:57	Charles Cabergs	CPPg++13.3.0	Success	5,292
Apr 26, 2026 19:35	TudyM	CPPg++14.2.0	Success	5,805
Apr 26, 2026 19:00	TudyM	CPPclang++20.1.2	Success	6,115
Apr 26, 2026 18:59	TudyM	CPPg++14.2.0	Success	5,799+2.67 RP
Apr 26, 2026 18:23	Charles Cabergs	CPPg++13.3.0	Success	5,293
Apr 26, 2026 16:36	Charles Cabergs	CPPg++13.3.0	Success	5,507
Apr 26, 2026 16:20	TudyM	CPPg++10.5.0	Success	5,808+1'721.76 RP
Apr 26, 2026 14:45	Charles Cabergs	CPPg++13.3.0	Success	5,295
Apr 26, 2026 14:16	olliecrow	CSHARP9.0.14	Success	7,130
Apr 26, 2026 12:33	Charles Cabergs	CPPg++13.3.0	Success	5,290+0.36 RP
Apr 26, 2026 11:42	Charles Cabergs	CPPg++13.3.0	Success	19,911
Apr 26, 2026 09:15	Charles Cabergs	CPPg++13.3.0	Success	5,298
Apr 26, 2026 06:48	Charles Cabergs	CPPg++13.3.0	Success	19,675
Apr 26, 2026 06:17	Charles Cabergs	CPPg++13.3.0	Success	5,309
Apr 26, 2026 03:43	Charles Cabergs	CPPg++13.3.0	Success	14,910
Apr 26, 2026 01:05	Charles Cabergs	CPPg++13.3.0	Success	42,902
Apr 26, 2026 01:00	Charles Cabergs	CPPg++13.3.0	Success	22,840
Apr 26, 2026 00:43	Uladzislau Nestsiaruk	CPPclang++20.1.2	Error
Apr 26, 2026 00:35	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,029
Apr 26, 2026 00:30	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,919+4.54 RP
Apr 26, 2026 00:22	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,930+10.64 RP
Apr 26, 2026 00:18	Uladzislau Nestsiaruk	CPPclang++20.1.2	Error
Apr 26, 2026 00:16	Uladzislau Nestsiaruk	CPPclang++20.1.2	Error
Apr 26, 2026 00:06	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,140
Apr 26, 2026 00:01	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,979
Apr 25, 2026 23:42	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,992
Apr 25, 2026 23:39	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,983
Apr 25, 2026 23:36	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,966
Apr 25, 2026 23:27	Uladzislau Nestsiaruk	CPPclang++18.1.3	Success	4,977
Apr 25, 2026 23:26	Uladzislau Nestsiaruk	CPPg++14.2.0	Success	6,065
Apr 25, 2026 23:23	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,956+3.66 RP
Apr 25, 2026 23:18	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,977
Apr 25, 2026 22:27	Charles Cabergs	CPPg++13.3.0	Success	5,299
Apr 25, 2026 21:45	Charles Cabergs	CPPg++13.3.0	Success	5,300
Apr 25, 2026 19:29	Charles Cabergs	CPPg++13.3.0	Success	19,663
Apr 25, 2026 18:36	Charles Cabergs	CPPg++13.3.0	Success	10,774
Apr 25, 2026 15:59	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	4,965+15.70 RP
Apr 25, 2026 15:55	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,004+99.79 RP
Apr 25, 2026 15:47	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,267+58.01 RP
Apr 25, 2026 13:10	olliecrow	CPPg++13.3.0	Success	4,383
Apr 25, 2026 09:03	olliecrow	CSHARP9.0.15	Success	7,065
Apr 25, 2026 08:51	olliecrow	CPPg++13.3.0	Error
Apr 25, 2026 08:48	olliecrow	CPPg++13.3.0	Success	4,378
Apr 25, 2026 08:44	olliecrow	CPPg++13.3.0	Error
Apr 25, 2026 07:23	Charles Cabergs	CPPg++13.3.0	Success	24,211
Apr 25, 2026 05:15	olliecrow	CSHARP9.0.15	Success	7,071
Apr 25, 2026 04:27	Charles Cabergs	CPPg++13.3.0	Success	5,296
Apr 25, 2026 03:19	Charles Cabergs	CPPg++13.3.0	Success	5,292
Apr 25, 2026 01:44	olliecrow	CPPg++13.3.0	Success	4,383
Apr 24, 2026 21:55	olliecrow	CPPg++13.3.0	Success	4,395
Apr 24, 2026 17:59	Charles Cabergs	CPPg++13.3.0	Success	5,303
Apr 24, 2026 15:24	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,550
Apr 24, 2026 15:10	Uladzislau Nestsiaruk	CPPg++14.2.0	Success	5,755
Apr 24, 2026 12:18	Charles Cabergs	CPPg++13.3.0	Success	5,291+2.50 RP
Apr 24, 2026 11:52	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,539
Apr 24, 2026 10:52	olliecrow	CPPg++13.3.0	Success	4,519
Apr 24, 2026 09:54	Charles Cabergs	CPPg++13.3.0	Success	5,298+41.12 RP
Apr 24, 2026 08:51	Charles Cabergs	CPPg++13.3.0	Success	24,425
Apr 24, 2026 06:51	Charles Cabergs	CPPg++13.3.0	Success	5,459
Apr 24, 2026 06:07	olliecrow	CPPg++13.3.0	Success	4,382
Apr 24, 2026 06:04	olliecrow	CPPg++13.3.0	Success	4,371
Apr 24, 2026 05:33	Charles Cabergs	CPPg++13.3.0	Success	25,320
Apr 24, 2026 02:12	olliecrow	CSHARP9.0.15	Success	7,040
Apr 24, 2026 02:03	olliecrow	CPPg++13.3.0	Success	4,389
Apr 24, 2026 02:00	olliecrow	CPPg++13.3.0	Success	4,370
Apr 24, 2026 01:58	olliecrow	CPPg++13.3.0	Error
Apr 23, 2026 22:35	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,555
Apr 23, 2026 22:26	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,740
Apr 23, 2026 21:48	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,478
Apr 23, 2026 21:35	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,491
Apr 23, 2026 20:46	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,662
Apr 23, 2026 16:13	Charles Cabergs	CPPg++13.3.0	Success	5,482
Apr 23, 2026 12:01	Charles Cabergs	CPPg++13.3.0	Success	5,481
Apr 23, 2026 08:55	Charles Cabergs	CPPclang++20.1.2	Success	5,521
Apr 23, 2026 03:54	Charles Cabergs	CPPg++14.2.0	Success	5,465
Apr 23, 2026 01:57	Charles Cabergs	CPPg++13.3.0	Success	5,584
Apr 23, 2026 01:16	olliecrow	CPPg++13.3.0	Success	4,383
Apr 23, 2026 01:10	olliecrow	CPPg++13.3.0	Success	4,367
Apr 23, 2026 01:05	olliecrow	CPPg++13.3.0	Success	4,372
Apr 22, 2026 23:56	Charles Cabergs	CPPg++13.3.0	Success	5,493
Apr 22, 2026 22:43	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	44,006
Apr 22, 2026 22:39	Uladzislau Nestsiaruk	CPPclang++20.1.2	Error
Apr 22, 2026 22:12	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,639
Apr 22, 2026 22:07	Uladzislau Nestsiaruk	CPPclang++20.1.2	Success	5,634
Apr 22, 2026 21:56	olliecrow	CPPg++13.3.0	Success	4,380
Apr 22, 2026 21:56	olliecrow	CPPg++13.3.0	Success	4,388
Apr 22, 2026 20:46	Dominique Garmier	CPPg++10.5.0	Success	5,110
Apr 22, 2026 20:34	Charles Cabergs	CPPg++13.3.0	Success	5,466
Apr 22, 2026 15:51	olliecrow	CPPg++13.3.0	Success	4,373
Apr 22, 2026 15:45	olliecrow	CPPg++13.3.0	Success	4,377
Apr 22, 2026 14:24	Dominique Garmier	CPPg++13.3.0	Success	4,517
Apr 22, 2026 12:44	olliecrow	CSHARP9.0.15	Success	50,441
Apr 22, 2026 12:30	Ben	CPPclang++20.1.2	Error
Apr 22, 2026 12:29	Ben	CPPg++14.2.0	Success	17,293

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