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
Jul 8, 2026 07:28	Victor Mercklé	CPPg++14.2.0	Success	4,190
Jul 8, 2026 07:14	Victor Mercklé	CPPg++14.2.0	Success	4,149
Jul 8, 2026 07:06	Victor Mercklé	CPPg++14.2.0	Success	4,280
Jul 7, 2026 22:21	Ilya	CPPg++13.3.0	Success	4,327
Jul 7, 2026 22:20	Ilya	CPPg++13.3.0	Success	4,273
Jul 7, 2026 22:19	Ilya	CPPg++13.3.0	Success	4,254
Jul 7, 2026 22:13	Ilya	CPPg++13.3.0	Success	4,289
Jul 7, 2026 22:13	Ilya	CPPg++13.3.0	Success	4,521
Jul 7, 2026 22:12	Ilya	CPPg++13.3.0	Success	4,327
Jul 7, 2026 22:12	Ilya	CPPg++13.3.0	Success	4,888
Jul 7, 2026 22:08	Ilya	CPPg++13.3.0	Success	4,349
Jul 7, 2026 22:05	Ilya	CPPg++13.3.0	Success	4,280
Jul 7, 2026 21:57	Ilya	CPPg++13.3.0	Success	4,756
Jul 7, 2026 21:55	Ilya	CPPg++13.3.0	Success	4,801
Jul 7, 2026 21:54	Ilya	CPPg++13.3.0	Success	4,291
Jul 7, 2026 18:34	Victor Mercklé	CPPg++14.2.0	Success	4,061
Jul 7, 2026 16:19	Adam Folwarczny	CPPclang++20.1.2	Success	3,999
Jul 7, 2026 16:19	Adam Folwarczny	CPPg++14.2.0	Success	3,995
Jul 7, 2026 15:21	vahook	CPPclang++20.1.2	Success	3,987
Jul 7, 2026 14:58	vahook	CPPclang++20.1.2	Success	3,973
Jul 7, 2026 14:56	vahook	CPPclang++20.1.2	Success	3,960+9.55 RP
Jul 7, 2026 14:51	vahook	CPPclang++20.1.2	Success	3,973
Jul 7, 2026 14:27	Victor Mercklé	CPPg++14.2.0	Success	4,064
Jul 7, 2026 14:16	Victor Mercklé	CPPg++14.2.0	Success	18,409
Jul 7, 2026 14:14	vahook	CPPclang++20.1.2	Success	3,988
Jul 7, 2026 14:12	vahook	CPPclang++20.1.2	Success	3,976
Jul 7, 2026 14:11	vahook	CPPclang++20.1.2	Success	3,984
Jul 7, 2026 14:06	Victor Mercklé	CPPg++14.2.0	Error
Jul 7, 2026 14:02	vahook	CPPclang++20.1.2	Success	3,983
Jul 7, 2026 14:01	Victor Mercklé	CPPg++14.2.0	Success	4,060+0.61 RP
Jul 7, 2026 13:58	vahook	CPPclang++20.1.2	Success	3,981
Jul 7, 2026 13:56	Victor Mercklé	CPPg++14.2.0	Success	4,078
Jul 7, 2026 13:55	vahook	CPPclang++20.1.2	Success	3,979
Jul 7, 2026 13:52	vahook	CPPclang++20.1.2	Success	3,984
Jul 7, 2026 13:51	Victor Mercklé	CPPg++14.2.0	Success	4,301
Jul 7, 2026 13:46	vahook	CPPclang++20.1.2	Success	4,152
Jul 7, 2026 13:46	Victor Mercklé	CPPg++14.2.0	Success	4,112
Jul 7, 2026 13:42	vahook	CPPclang++20.1.2	Success	3,976
Jul 7, 2026 13:41	Victor Mercklé	CPPg++14.2.0	Success	4,373
Jul 7, 2026 13:36	Victor Mercklé	CPPg++14.2.0	Success	4,121
Jul 7, 2026 13:31	Victor Mercklé	CPPg++14.2.0	Error
Jul 7, 2026 13:30	vahook	CPPclang++20.1.2	Success	3,983
Jul 7, 2026 13:29	vahook	CPPclang++20.1.2	Success	3,979
Jul 7, 2026 13:26	vahook	CPPclang++20.1.2	Success	3,971+4.43 RP
Jul 7, 2026 13:26	Victor Mercklé	CPPg++14.2.0	Success	4,061+12.67 RP
Jul 7, 2026 13:22	vahook	CPPclang++20.1.2	Success	3,995
Jul 7, 2026 13:21	Victor Mercklé	CPPg++14.2.0	Success	4,158
Jul 7, 2026 13:20	vahook	CPPclang++20.1.2	Success	3,981
Jul 7, 2026 13:15	vahook	CPPclang++20.1.2	Success	3,990
Jul 7, 2026 13:14	Victor Mercklé	CPPg++14.2.0	Success	4,697
Jul 7, 2026 13:13	vahook	CPPclang++20.1.2	Success	3,997
Jul 7, 2026 13:09	vahook	CPPclang++20.1.2	Success	3,993
Jul 7, 2026 13:07	Victor Mercklé	CPPg++14.2.0	Success	4,082+18.46 RP
Jul 7, 2026 13:06	vahook	CPPclang++20.1.2	Error
Jul 7, 2026 13:05	vahook	CPPclang++20.1.2	Success	3,991
Jul 7, 2026 12:49	vahook	CPPclang++20.1.2	Success	3,982
Jul 7, 2026 12:47	Victor Mercklé	CPPg++14.2.0	Success	4,309
Jul 7, 2026 12:42	vahook	CPPclang++20.1.2	Success	4,101
Jul 7, 2026 12:42	vahook	CPPclang++20.1.2	Success	4,119
Jul 7, 2026 12:40	vahook	CPPclang++20.1.2	Success	4,005
Jul 7, 2026 12:38	vahook	CPPclang++20.1.2	Error
Jul 7, 2026 12:37	vahook	CPPclang++20.1.2	Error
Jul 7, 2026 12:27	vahook	CPPclang++20.1.2	Success	3,978+5.05 RP
Jul 7, 2026 12:25	vahook	CPPclang++20.1.2	Success	3,986+107.82 RP
Jul 7, 2026 10:44	Victor Mercklé	CPPg++14.2.0	Success	4,135
Jul 7, 2026 10:34	Victor Mercklé	CPPg++14.2.0	Success	4,260
Jul 7, 2026 10:24	Victor Mercklé	CPPg++14.2.0	Success	4,262
Jul 7, 2026 05:29	Victor Mercklé	CPPg++14.2.0	Success	4,204
Jul 7, 2026 05:17	Victor Mercklé	CPPg++14.2.0	Success	4,373
Jul 7, 2026 05:08	Victor Mercklé	CPPg++14.2.0	Success	5,304
Jul 7, 2026 05:00	Victor Mercklé	CPPg++14.2.0	Success	4,229
Jul 7, 2026 04:52	Victor Mercklé	CPPg++14.2.0	Success	4,268
Jul 7, 2026 04:47	Victor Mercklé	CPPg++14.2.0	Success	4,163
Jul 7, 2026 04:23	Victor Mercklé	CPPg++14.2.0	Success	4,136
Jul 7, 2026 04:10	Victor Mercklé	CPPg++14.2.0	Success	4,336
Jul 7, 2026 04:01	Victor Mercklé	CPPg++14.2.0	Success	4,884
Jul 7, 2026 03:54	Victor Mercklé	CPPg++14.2.0	Success	4,932
Jul 7, 2026 03:47	Victor Mercklé	CPPg++14.2.0	Success	4,486
Jul 7, 2026 03:42	Victor Mercklé	CPPg++14.2.0	Success	4,517
Jul 7, 2026 03:29	Victor Mercklé	CPPg++14.2.0	Success	4,385
Jul 7, 2026 03:24	Victor Mercklé	CPPg++14.2.0	Success	6,922
Jul 7, 2026 03:14	Victor Mercklé	CPPg++14.2.0	Success	8,137
Jul 7, 2026 02:57	Victor Mercklé	CPPg++14.2.0	Success	4,190
Jul 7, 2026 02:50	Victor Mercklé	CPPg++14.2.0	Success	4,313
Jul 7, 2026 02:42	Victor Mercklé	CPPg++14.2.0	Error
Jul 7, 2026 02:33	Victor Mercklé	CPPg++14.2.0	Success	8,430
Jul 7, 2026 00:55	Victor Mercklé	CPPg++14.2.0	Success	4,121
Jul 7, 2026 00:50	Victor Mercklé	CPPg++14.2.0	Success	4,128
Jul 7, 2026 00:42	Victor Mercklé	CPPg++14.2.0	Success	4,132
Jul 7, 2026 00:37	Victor Mercklé	CPPg++14.2.0	Success	4,113+1.18 RP
Jul 7, 2026 00:32	Victor Mercklé	CPPg++14.2.0	Success	4,126
Jul 7, 2026 00:27	Victor Mercklé	CPPg++14.2.0	Success	4,138
Jul 7, 2026 00:22	Victor Mercklé	CPPg++14.2.0	Success	4,124
Jul 7, 2026 00:07	Victor Mercklé	CPPg++14.2.0	Success	4,166
Jul 7, 2026 00:01	Victor Mercklé	CPPg++14.2.0	Success	4,123
Jul 6, 2026 22:29	Victor Mercklé	CPPg++14.2.0	Success	4,115+4.72 RP
Jul 6, 2026 22:20	Victor Mercklé	CPPg++14.2.0	Success	4,266
Jul 6, 2026 22:10	Victor Mercklé	CPPg++14.2.0	Success	8,086
Jul 6, 2026 21:35	Victor Mercklé	CPPg++14.2.0	Success	7,958
Jul 6, 2026 21:25	Victor Mercklé	CPPg++14.2.0	Success	7,560

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