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
May 16, 2026 15:38	M-Rochat	CPPclang++20.1.2	Success	5,604
May 16, 2026 15:37	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,904
May 16, 2026 15:37	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,053
May 16, 2026 15:35	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,787+9.99 RP
May 16, 2026 15:34	M-Rochat	CPPg++13.3.0	Success	5,453
May 16, 2026 15:33	M-Rochat	CPPclang++20.1.2	Success	5,617
May 16, 2026 15:17	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,500
May 16, 2026 15:16	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,810+1.73 RP
May 16, 2026 15:09	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,938
May 16, 2026 15:03	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,934
May 16, 2026 15:00	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,814
May 16, 2026 14:40	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,020
May 16, 2026 14:39	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,484
May 16, 2026 14:39	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,814+6.02 RP
May 16, 2026 14:38	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,503
May 16, 2026 10:14	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	4,828+77.63 RP
May 16, 2026 10:08	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,279
May 16, 2026 09:49	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,222
May 16, 2026 09:34	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,170
May 16, 2026 08:05	M-Rochat	CPPg++13.3.0	Success	5,385
May 16, 2026 07:36	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,139
May 16, 2026 07:26	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,055
May 16, 2026 07:15	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,016+13.42 RP
May 16, 2026 07:14	M-Rochat	CPPclang++20.1.2	Success	5,369
May 16, 2026 07:12	SODIUM IS NOT A CAT	CPPg++10.5.0	Error
May 16, 2026 07:07	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,119
May 16, 2026 07:01	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,081
May 16, 2026 06:58	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,483
May 16, 2026 06:40	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,050+24.78 RP
May 16, 2026 06:36	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,331
May 16, 2026 06:36	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,114+3.44 RP
May 16, 2026 06:05	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,123+154.39 RP
May 16, 2026 05:47	SODIUM IS NOT A CAT	CPPg++10.5.0	Error
May 16, 2026 05:42	SODIUM IS NOT A CAT	CPPg++10.5.0	Error
May 16, 2026 05:34	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	16,982
May 16, 2026 05:05	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	5,563+1'597.33 RP
May 16, 2026 04:54	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	52,757
May 16, 2026 04:54	SODIUM IS NOT A CAT	CPPg++10.5.0	Success	49,934+200.26 RP
May 15, 2026 19:20	M-Rochat	CPPg++13.3.0	Success	5,245+70.70 RP
May 15, 2026 19:19	M-Rochat	CPPg++13.3.0	Success	5,447+50.48 RP
May 15, 2026 19:19	M-Rochat	CPPclang++20.1.2	Success	5,601+1'785.40 RP
May 15, 2026 00:56	zielaj	CPPclang++20.1.2	Error	+7.12 RP
May 15, 2026 00:30	zielaj	CPPclang++18.1.3	Error	+117.64 RP
May 11, 2026 13:53	Victor Mercklé	CPPg++14.2.0	Success	5,187+19.86 RP
May 11, 2026 13:31	Victor Mercklé	CPPg++14.2.0	Success	10,698
May 10, 2026 22:32	Franek Korta	CPPg++10.5.0	Success	4,184+2.28 RP
May 10, 2026 22:30	Franek Korta	CPPg++14.2.0	Success	4,188+183.67 RP
May 10, 2026 22:30	Franek Korta	CPPg++14.2.0	Error
May 10, 2026 22:29	Franek Korta	CPPg++10.5.0	Error
May 10, 2026 22:28	Franek Korta	CPPg++10.5.0	Error
May 10, 2026 01:14	Andrii Stolitnii	CPPg++10.5.0	Success	50,530
May 10, 2026 01:14	Andrii Stolitnii	CPPg++10.5.0	Error
May 10, 2026 01:06	Andrii Stolitnii	CPPg++10.5.0	Success	50,871
May 10, 2026 01:04	Andrii Stolitnii	CPPg++10.5.0	Success	49,825+200.70 RP
May 9, 2026 18:47	Josu San Martin	ZIG0.16.0	Success	4,770
May 9, 2026 18:43	Josu San Martin	ZIG0.16.0	Error
May 7, 2026 07:40	Victor Mercklé	CPPg++14.2.0	Success	5,366
May 7, 2026 07:07	Victor Mercklé	CPPg++14.2.0	Success	10,475+5.00 RP
May 6, 2026 07:24	olliecrow	CPPg++13.3.0	Success	4,354
May 6, 2026 03:13	olliecrow	CPPg++13.3.0	Success	4,351
May 6, 2026 01:02	olliecrow	CPPg++13.3.0	Success	4,327
May 5, 2026 18:10	Josu San Martin	CPPg++14.2.0	Success	10,940
May 5, 2026 18:10	Josu San Martin	CPPg++10.5.0	Success	10,980
May 5, 2026 17:36	Josu San Martin	CPPg++10.5.0	Error
May 5, 2026 16:48	Josu San Martin	CPPg++13.3.0	Error
May 5, 2026 07:46	Victor Mercklé	CPPg++14.2.0	Error
May 5, 2026 06:52	olliecrow	CPPg++13.3.0	Success	4,343
May 5, 2026 05:17	olliecrow	CPPg++13.3.0	Success	4,327+1.07 RP
May 5, 2026 05:12	olliecrow	CPPg++13.3.0	Success	4,347
May 5, 2026 03:46	olliecrow	CSHARP9.0.15	Success	4,831
May 5, 2026 03:19	olliecrow	CSHARP9.0.15	Success	4,849
May 5, 2026 03:10	olliecrow	CSHARP9.0.15	Success	4,818
May 5, 2026 02:46	olliecrow	CSHARP9.0.15	Success	4,823
May 5, 2026 02:07	olliecrow	CPPg++13.3.0	Success	4,356
May 5, 2026 01:23	olliecrow	CPPg++13.3.0	Success	4,329+3.73 RP
May 5, 2026 01:14	olliecrow	CPPg++13.3.0	Success	4,338
May 4, 2026 23:51	olliecrow	CPPg++13.3.0	Success	4,356
May 4, 2026 23:22	olliecrow	CPPg++13.3.0	Success	4,342
May 4, 2026 23:16	olliecrow	CPPg++13.3.0	Success	4,345
May 4, 2026 23:11	olliecrow	CPPg++13.3.0	Success	4,341
May 4, 2026 23:10	olliecrow	CPPg++13.3.0	Success	4,336+1.06 RP
May 4, 2026 23:07	olliecrow	CPPg++13.3.0	Success	4,362
May 4, 2026 06:59	Victor Mercklé	CPPg++14.2.0	Success	5,241+21.24 RP
May 4, 2026 06:52	Victor Mercklé	CPPg++14.2.0	Success	5,300+67.29 RP
May 3, 2026 18:48	TudyM	CPPg++14.2.0	Success	5,264
May 3, 2026 18:41	TudyM	CPPg++14.2.0	Success	5,240
May 3, 2026 18:35	TudyM	CPPg++14.2.0	Success	5,237
May 3, 2026 18:29	TudyM	CPPg++14.2.0	Success	5,271
May 3, 2026 18:21	TudyM	CPPg++14.2.0	Success	5,239
May 3, 2026 18:14	TudyM	CPPg++14.2.0	Success	5,218
May 3, 2026 18:07	TudyM	CPPclang++20.1.2	Success	5,279
May 3, 2026 18:06	TudyM	CPPg++10.5.0	Success	5,242
May 3, 2026 18:00	TudyM	CPPg++14.2.0	Success	5,227
May 3, 2026 17:54	TudyM	CPPg++14.2.0	Success	5,272
May 3, 2026 17:50	TudyM	CPPg++14.2.0	Success	5,249
May 3, 2026 17:40	TudyM	CPPg++14.2.0	Success	5,232
May 3, 2026 17:33	TudyM	CPPg++14.2.0	Success	5,216+4.77 RP
May 3, 2026 17:27	TudyM	CPPg++14.2.0	Success	5,233
May 3, 2026 17:20	TudyM	CPPg++14.2.0	Success	5,229+9.10 RP
May 3, 2026 17:14	TudyM	CPPg++14.2.0	Success	5,254+6.50 RP

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