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
Jun 1, 2026 15:26	Ilya	CPPg++10.5.0	Success	4,723+12.48 RP
Jun 1, 2026 15:04	Ilya	CPPg++10.5.0	Success	5,446
Jun 1, 2026 15:02	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 15:00	Ilya	CPPg++10.5.0	Success	5,092
Jun 1, 2026 14:55	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 14:52	Ilya	CPPg++10.5.0	Success	4,887
Jun 1, 2026 14:50	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 14:32	Ilya	CPPg++10.5.0	Success	5,170
Jun 1, 2026 14:26	Ilya	CPPg++10.5.0	Success	4,751+142.50 RP
Jun 1, 2026 14:22	Ilya	CPPg++10.5.0	Success	5,104
Jun 1, 2026 14:10	Ilya	CPPg++10.5.0	Success	6,025
Jun 1, 2026 14:04	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 13:58	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 13:44	Ilya	CPPg++10.5.0	Success	5,350
Jun 1, 2026 13:25	Ilya	CPPg++10.5.0	Success	5,143
Jun 1, 2026 13:14	Ilya	CPPg++13.3.0	Success	5,117
Jun 1, 2026 13:06	Ilya	CPPg++13.3.0	Success	5,117
Jun 1, 2026 12:58	Ilya	CPPg++10.5.0	Success	5,242
Jun 1, 2026 12:36	Ilya	CPPg++13.3.0	Success	5,119
Jun 1, 2026 12:35	Ilya	CPPclang++20.1.2	Success	5,261
Jun 1, 2026 12:30	Ilya	CPPg++10.5.0	Success	5,096+0.38 RP
Jun 1, 2026 12:24	Ilya	CPPg++10.5.0	Success	5,327
Jun 1, 2026 12:23	Ilya	CPPg++13.3.0	Success	5,680
Jun 1, 2026 12:21	Ilya	CPPg++13.3.0	Success	5,097+18.68 RP
Jun 1, 2026 11:38	Ilya	CPPg++10.5.0	Success	5,146+28.28 RP
Jun 1, 2026 11:32	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 11:00	Ilya	CPPg++10.5.0	Success	5,222+49.30 RP
Jun 1, 2026 10:51	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 10:50	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 10:25	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 09:47	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 09:44	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 09:34	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 09:32	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 09:31	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 09:11	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 09:09	Ilya	CPPg++10.5.0	Error
Jun 1, 2026 09:06	Ilya	CPPg++10.5.0	Error
May 31, 2026 23:09	Ilya	CPPg++10.5.0	Success	5,360+1'656.70 RP
May 31, 2026 23:05	Ilya	CPPg++10.5.0	Error
May 31, 2026 22:39	Ilya	CPPg++10.5.0	Error
May 31, 2026 21:30	Ilya	CPPg++10.5.0	Success	47,854+8.57 RP
May 31, 2026 21:26	Ilya	CPPg++10.5.0	Success	49,900+200.40 RP
May 22, 2026 08:48	M-Rochat	CPPg++13.3.0	Success	4,254
May 22, 2026 08:45	M-Rochat	CPPg++13.3.0	Success	4,254
May 22, 2026 08:42	M-Rochat	CPPg++14.2.0	Success	4,254
May 22, 2026 08:40	M-Rochat	CPPg++13.3.0	Success	4,401
May 22, 2026 08:38	M-Rochat	CPPg++13.3.0	Success	4,257
May 22, 2026 08:36	M-Rochat	CPPg++13.3.0	Success	4,257
May 22, 2026 08:34	M-Rochat	CPPg++13.3.0	Success	4,255
May 22, 2026 08:32	M-Rochat	CPPg++13.3.0	Success	4,252+1.66 RP
May 22, 2026 08:29	M-Rochat	CPPg++13.3.0	Success	4,259
May 22, 2026 08:26	M-Rochat	CPPg++13.3.0	Success	4,255
May 22, 2026 08:24	M-Rochat	CPPg++13.3.0	Success	4,255+2.76 RP
May 22, 2026 08:21	M-Rochat	CPPg++13.3.0	Success	4,262
May 22, 2026 08:19	M-Rochat	CPPg++13.3.0	Success	4,302
May 22, 2026 08:16	M-Rochat	CPPg++13.3.0	Success	4,304
May 22, 2026 08:14	M-Rochat	CPPg++13.3.0	Success	4,305
May 22, 2026 08:13	M-Rochat	CPPg++13.3.0	Success	4,336
May 22, 2026 08:11	M-Rochat	CPPg++13.3.0	Success	4,341
May 20, 2026 14:23	M-Rochat	CPPg++13.3.0	Success	5,095
May 20, 2026 14:21	M-Rochat	CPPg++13.3.0	Success	4,873
May 20, 2026 14:20	M-Rochat	CPPg++13.3.0	Success	5,106
May 20, 2026 14:18	M-Rochat	CPPg++13.3.0	Success	5,146
May 20, 2026 14:15	M-Rochat	CPPg++13.3.0	Success	4,473
May 20, 2026 14:13	M-Rochat	CPPg++13.3.0	Success	5,074
May 20, 2026 14:11	M-Rochat	CPPg++13.3.0	Success	5,071
May 20, 2026 14:10	M-Rochat	CPPg++13.3.0	Success	5,081
May 20, 2026 14:07	M-Rochat	CPPg++13.3.0	Success	5,261
May 20, 2026 14:04	M-Rochat	CPPg++13.3.0	Success	5,225
May 20, 2026 14:03	M-Rochat	CPPg++13.3.0	Success	5,440
May 20, 2026 13:59	M-Rochat	CPPg++13.3.0	Success	4,329
May 20, 2026 13:57	M-Rochat	CPPg++13.3.0	Success	5,073
May 20, 2026 13:55	M-Rochat	CPPg++13.3.0	Success	5,085
May 20, 2026 01:07	Fernando Antunez	CPPg++10.5.0	Error
May 19, 2026 14:38	M-Rochat	CPPg++13.3.0	Success	5,628
May 19, 2026 14:34	M-Rochat	GOgo1.26.2	Success	19,116
May 19, 2026 03:20	Fernando Antunez	CPPg++10.5.0	Success	5,366+1'253.68 RP
May 19, 2026 03:13	Fernando Antunez	CPPg++10.5.0	Success	16,396+10.60 RP
May 19, 2026 03:09	Fernando Antunez	CPPg++14.2.0	Success	16,686+599.30 RP
May 18, 2026 17:56	M-Rochat	CPPg++13.3.0	Success	4,292
May 18, 2026 17:31	M-Rochat	CPPg++13.3.0	Success	4,429
May 18, 2026 17:31	M-Rochat	CPPg++13.3.0	Success	4,410
May 18, 2026 17:31	M-Rochat	CPPg++13.3.0	Success	4,400
May 18, 2026 16:32	M-Rochat	CPPg++13.3.0	Success	4,296
May 18, 2026 16:32	M-Rochat	CPPclang++20.1.2	Success	4,522
May 18, 2026 15:08	M-Rochat	GOgo1.26.3	Success	5,704
May 18, 2026 08:58	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,173
May 18, 2026 08:53	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,119
May 18, 2026 08:52	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,069
May 18, 2026 08:52	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,367
May 18, 2026 08:51	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,116
May 18, 2026 08:48	SODIUM IS NOT A CAT	CPPg++10.5.0	Error
May 18, 2026 08:34	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,983
May 18, 2026 08:32	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,888
May 18, 2026 05:33	M-Rochat	CPPg++13.3.0	Success	4,408
May 18, 2026 02:20	M-Rochat	CPPg++13.3.0	Success	4,280
May 18, 2026 02:09	M-Rochat	CPPg++13.3.0	Success	4,335
May 18, 2026 00:54	M-Rochat	CPPg++13.3.0	Success	4,293
May 17, 2026 23:43	M-Rochat	CPPg++13.3.0	Success	4,371

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