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
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
May 3, 2026 17:07	TudyM	CPPg++14.2.0	Success	5,272+3.95 RP
May 3, 2026 16:57	TudyM	CPPg++14.2.0	Success	5,287
May 3, 2026 16:47	TudyM	CPPg++14.2.0	Success	5,287
May 3, 2026 16:36	TudyM	CPPg++14.2.0	Success	5,283+49.21 RP
May 3, 2026 16:25	TudyM	CPPg++14.2.0	Success	5,439
May 3, 2026 16:14	TudyM	CPPg++14.2.0	Success	5,428
May 3, 2026 15:57	TudyM	CPPg++14.2.0	Success	5,442
May 3, 2026 15:46	TudyM	CPPclang++20.1.2	Success	5,441
May 3, 2026 15:35	TudyM	CPPg++10.5.0	Success	5,438
May 3, 2026 15:24	TudyM	CPPg++14.2.0	Success	5,449
May 3, 2026 15:14	TudyM	CPPg++14.2.0	Success	5,458
May 3, 2026 15:02	TudyM	CPPg++14.2.0	Success	5,431
May 3, 2026 14:53	TudyM	CPPg++14.2.0	Success	5,453
May 3, 2026 14:42	TudyM	CPPg++14.2.0	Success	5,424+2.04 RP
May 3, 2026 14:31	TudyM	CPPg++14.2.0	Success	5,432
May 3, 2026 14:25	TudyM	CPPg++14.2.0	Success	5,430+7.43 RP
May 3, 2026 13:51	TudyM	CPPg++14.2.0	Success	5,452+28.48 RP
May 2, 2026 03:27	Hung T.Nguyen	CPPg++10.5.0	Success	5,572+1'794.69 RP
May 1, 2026 18:18	Victor Mercklé	CPPg++14.2.0	Success	5,496+66.66 RP
May 1, 2026 18:11	Victor Mercklé	CPPg++14.2.0	Success	5,705+850.16 RP
May 1, 2026 16:45	Pavel Skripkin	RUSTrust-1.94.1	Success	4,733
May 1, 2026 05:54	olliecrow	CPPg++13.3.0	Success	4,390
May 1, 2026 02:16	Charles Cabergs	CPPg++13.3.0	Success	24,208
Apr 30, 2026 18:02	Charles Cabergs	CPPg++13.3.0	Success	19,643
Apr 30, 2026 15:25	Charles Cabergs	CPPg++13.3.0	Success	24,204
Apr 30, 2026 12:57	Charles Cabergs	CPPg++13.3.0	Success	24,201
Apr 30, 2026 10:24	Charles Cabergs	CPPg++13.3.0	Success	19,767
Apr 30, 2026 03:36	olliecrow	CSHARP9.0.15	Success	4,881
Apr 30, 2026 03:29	olliecrow	CSHARP9.0.15	Error
Apr 30, 2026 03:14	olliecrow	CPPg++10.5.0	Success	4,510
Apr 29, 2026 21:18	Charles Cabergs	CPPg++13.3.0	Success	6,305
Apr 29, 2026 02:33	Charles Cabergs	CPPg++13.3.0	Success	5,295
Apr 28, 2026 21:36	Charles Cabergs	CPPg++13.3.0	Success	5,526
Apr 28, 2026 19:39	CountHarebourg	CPPg++14.2.0	Success	5,819
Apr 28, 2026 19:18	CountHarebourg	CPPg++14.2.0	Success	11,149
Apr 28, 2026 19:06	CountHarebourg	CPPg++14.2.0	Success	11,413
Apr 28, 2026 19:02	CountHarebourg	CPPg++14.2.0	Success	11,045
Apr 28, 2026 18:57	CountHarebourg	CPPg++14.2.0	Success	41,113
Apr 28, 2026 12:27	Dominique Garmier	CPPg++13.3.0	Success	4,522
Apr 28, 2026 10:15	TudyM	CPPg++14.2.0	Success	5,538+25.71 RP
Apr 28, 2026 10:08	TudyM	CPPg++14.2.0	Success	5,618+2.22 RP
Apr 28, 2026 10:07	Charles Cabergs	CPPg++13.3.0	Success	19,514
Apr 28, 2026 10:02	TudyM	CPPg++14.2.0	Success	5,630
Apr 28, 2026 09:57	TudyM	CPPg++14.2.0	Success	5,625+53.34 RP
Apr 28, 2026 09:54	TudyM	CPPg++14.2.0	Success	6,035
Apr 28, 2026 02:46	Charles Cabergs	CPPg++10.5.0	Success	5,303
Apr 28, 2026 00:43	Charles Cabergs	CPPg++13.3.0	Success	19,479
Apr 27, 2026 22:03	Charles Cabergs	CPPg++13.3.0	Success	5,318
Apr 27, 2026 21:28	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 21:11	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 19:32	Charles Cabergs	CPPg++13.3.0	Success	5,302
Apr 27, 2026 19:04	Victor Mercklé	CPPg++14.2.0	Success	11,078+857.78 RP
Apr 27, 2026 18:58	Victor Mercklé	CPPg++14.2.0	Success	222,690+44.91 RP
Apr 27, 2026 18:57	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 18:53	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 16:51	Charles Cabergs	CPPg++13.3.0	Success	5,297
Apr 27, 2026 14:42	Charles Cabergs	CPPclang++18.1.3	Success	5,352
Apr 27, 2026 13:21	Charles Cabergs	CPPg++13.3.0	Success	5,310

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