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
Aug 31, 2026 10:14	Josu San Martin	CPPclang++18.1.3	Success	4,105
Aug 31, 2026 10:06	Josu San Martin	CPPclang++18.1.3	Success	4,112
Aug 31, 2026 09:56	Josu San Martin	CPPclang++18.1.3	Success	4,151
Aug 31, 2026 09:49	Josu San Martin	CPPclang++18.1.3	Success	4,356
Aug 31, 2026 09:40	Josu San Martin	CPPclang++18.1.3	Success	5,010
Aug 31, 2026 09:26	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 09:18	Josu San Martin	CPPclang++18.1.3	Success	4,110
Aug 31, 2026 09:10	Josu San Martin	CPPclang++18.1.3	Success	4,103
Aug 31, 2026 09:00	Josu San Martin	CPPclang++18.1.3	Success	4,263
Aug 31, 2026 08:51	Josu San Martin	CPPclang++18.1.3	Success	4,370
Aug 31, 2026 08:41	Josu San Martin	CPPclang++18.1.3	Success	4,237
Aug 31, 2026 08:33	Josu San Martin	CPPclang++18.1.3	Success	4,118
Aug 31, 2026 08:24	Josu San Martin	CPPclang++18.1.3	Success	4,413
Aug 31, 2026 08:16	Josu San Martin	CPPclang++18.1.3	Success	4,106
Aug 31, 2026 08:06	Josu San Martin	CPPclang++18.1.3	Success	4,092
Aug 31, 2026 07:57	Josu San Martin	CPPclang++18.1.3	Success	10,789
Aug 31, 2026 07:46	Josu San Martin	CPPclang++18.1.3	Success	4,196
Aug 31, 2026 07:32	Josu San Martin	CPPclang++19.1.1	Success	4,103
Aug 31, 2026 07:21	Josu San Martin	CPPclang++18.1.3	Success	4,090
Aug 31, 2026 07:06	Josu San Martin	CPPclang++18.1.3	Success	4,107
Aug 31, 2026 06:56	Josu San Martin	CPPclang++18.1.3	Success	4,091
Aug 31, 2026 06:46	Josu San Martin	CPPclang++18.1.3	Success	4,310
Aug 31, 2026 06:36	Josu San Martin	CPPclang++18.1.3	Success	4,099
Aug 31, 2026 06:26	Josu San Martin	CPPclang++18.1.3	Success	4,098
Aug 31, 2026 06:16	Josu San Martin	CPPg++14.2.0	Success	4,110
Aug 31, 2026 06:07	Josu San Martin	CPPclang++18.1.3	Success	4,097
Aug 31, 2026 05:57	Josu San Martin	CPPclang++18.1.3	Success	4,094
Aug 31, 2026 05:56	Josu San Martin	CPPclang++18.1.3	Success	4,105
Aug 31, 2026 05:44	Josu San Martin	CPPclang++18.1.3	Success	4,118
Aug 31, 2026 05:33	Josu San Martin	CPPclang++18.1.3	Success	4,105
Aug 31, 2026 05:24	Josu San Martin	CPPclang++20.1.2	Success	4,109
Aug 31, 2026 05:22	Josu San Martin	CPPclang++18.1.3	Success	4,100
Aug 31, 2026 05:13	Josu San Martin	CPPclang++18.1.3	Success	4,099
Aug 31, 2026 05:03	Josu San Martin	CPPclang++18.1.3	Success	4,111
Aug 31, 2026 04:54	Josu San Martin	CPPclang++18.1.3	Success	4,119
Aug 31, 2026 04:44	Josu San Martin	CPPclang++18.1.3	Success	4,095
Aug 31, 2026 04:35	Josu San Martin	CPPclang++18.1.3	Success	4,090
Aug 31, 2026 04:25	Josu San Martin	CPPclang++18.1.3	Success	4,087+8.35 RP
Aug 31, 2026 04:16	Josu San Martin	CPPg++13.3.0	Success	4,113
Aug 31, 2026 04:06	Josu San Martin	CPPclang++18.1.3	Success	4,105
Aug 31, 2026 03:56	Josu San Martin	CPPclang++18.1.3	Success	4,123
Aug 31, 2026 03:46	Josu San Martin	CPPclang++18.1.3	Success	4,110
Aug 31, 2026 03:45	Josu San Martin	CPPclang++18.1.3	Success	4,221
Aug 31, 2026 03:35	Josu San Martin	CPPclang++18.1.3	Success	4,250
Aug 31, 2026 03:25	Josu San Martin	CPPclang++20.1.2	Success	4,104
Aug 31, 2026 03:16	Josu San Martin	CPPclang++18.1.3	Success	4,138
Aug 31, 2026 03:05	Josu San Martin	CPPg++14.2.0	Success	4,110
Aug 31, 2026 02:55	Josu San Martin	CPPclang++18.1.3	Success	4,365
Aug 31, 2026 02:51	Josu San Martin	CPPclang++18.1.3	Success	4,236
Aug 31, 2026 02:42	Josu San Martin	CPPclang++18.1.3	Success	4,110
Aug 31, 2026 02:34	Josu San Martin	CPPclang++18.1.3	Success	4,111
Aug 31, 2026 02:32	Josu San Martin	CPPclang++18.1.3	Success	4,118
Aug 31, 2026 02:22	Josu San Martin	CPPclang++18.1.3	Success	4,115
Aug 31, 2026 02:15	Josu San Martin	CPPclang++18.1.3	Success	4,130
Aug 31, 2026 02:13	Josu San Martin	CPPclang++18.1.3	Success	4,150
Aug 31, 2026 02:12	Josu San Martin	CPPclang++18.1.3	Success	4,149
Aug 31, 2026 02:03	Josu San Martin	CPPclang++18.1.3	Success	4,107
Aug 31, 2026 02:01	Josu San Martin	CPPclang++18.1.3	Success	4,134
Aug 31, 2026 01:51	Josu San Martin	CPPclang++18.1.3	Success	4,101+13.01 RP
Aug 31, 2026 01:36	Josu San Martin	CPPclang++18.1.3	Success	4,123+3.52 RP
Aug 31, 2026 01:26	Josu San Martin	CPPclang++18.1.3	Success	4,200
Aug 31, 2026 01:15	Josu San Martin	CPPclang++18.1.3	Success	4,987
Aug 31, 2026 00:57	Josu San Martin	CPPclang++18.1.3	Success	4,438
Aug 31, 2026 00:47	Josu San Martin	CPPclang++18.1.3	Success	4,342
Aug 31, 2026 00:35	Josu San Martin	CPPclang++18.1.3	Success	4,970
Aug 31, 2026 00:25	Josu San Martin	CPPclang++18.1.3	Success	4,131
Aug 31, 2026 00:11	Josu San Martin	CPPclang++20.1.2	Success	4,147
Aug 30, 2026 23:54	Josu San Martin	CPPclang++18.1.3	Success	4,152
Aug 30, 2026 23:41	Josu San Martin	CPPclang++18.1.3	Success	4,143
Aug 30, 2026 23:30	Josu San Martin	CPPclang++18.1.3	Success	4,144
Aug 30, 2026 23:15	Josu San Martin	CPPclang++18.1.3	Success	4,214
Aug 30, 2026 23:00	Josu San Martin	CPPclang++20.1.2	Success	4,145
Aug 30, 2026 22:55	Josu San Martin	CPPclang++18.1.3	Success	4,248
Aug 30, 2026 22:51	Josu San Martin	CPPclang++18.1.3	Success	4,163
Aug 30, 2026 22:48	Josu San Martin	CPPclang++18.1.3	Error
Aug 30, 2026 22:40	Josu San Martin	CPPclang++18.1.3	Success	4,139
Aug 30, 2026 22:35	Josu San Martin	CPPclang++18.1.3	Success	4,144
Aug 30, 2026 22:29	Josu San Martin	CPPclang++18.1.3	Success	6,104
Aug 30, 2026 22:26	Josu San Martin	CPPclang++18.1.3	Success	4,428
Aug 30, 2026 22:23	Josu San Martin	CPPclang++18.1.3	Success	4,135
Aug 30, 2026 22:20	Josu San Martin	CPPclang++18.1.3	Success	4,270
Aug 30, 2026 22:13	Josu San Martin	CPPclang++18.1.3	Success	4,171
Aug 30, 2026 22:09	Josu San Martin	CPPclang++18.1.3	Success	4,192
Aug 30, 2026 22:06	Josu San Martin	CPPclang++18.1.3	Success	4,216
Aug 30, 2026 22:03	Josu San Martin	CPPclang++18.1.3	Success	4,432
Aug 30, 2026 21:59	Josu San Martin	CPPg++14.2.0	Success	4,150
Aug 30, 2026 21:56	Josu San Martin	CPPclang++18.1.3	Success	4,228
Aug 30, 2026 21:52	Josu San Martin	CPPclang++18.1.3	Success	4,137
Aug 30, 2026 21:00	Josu San Martin	CPPclang++18.1.3	Success	4,262
Aug 30, 2026 20:57	Josu San Martin	CPPclang++18.1.3	Success	4,271
Aug 30, 2026 20:52	Josu San Martin	CPPclang++18.1.3	Success	4,210
Aug 30, 2026 20:48	Josu San Martin	CPPg++14.2.0	Success	4,313
Aug 30, 2026 20:41	Josu San Martin	CPPclang++18.1.3	Success	4,461
Aug 29, 2026 15:58	Ryan Chung Yi Sheng	CPPg++10.5.0	Success	4,370
Aug 29, 2026 12:36	Navneet Raj	CPPg++10.5.0	Success	4,452
Aug 29, 2026 12:31	Navneet Raj	CPPg++10.5.0	Success	4,312
Aug 29, 2026 12:27	Navneet Raj	CPPg++10.5.0	Success	4,452
Aug 29, 2026 12:23	Navneet Raj	CPPg++10.5.0	Error
Aug 29, 2026 12:03	Navneet Raj	CPPg++10.5.0	Success	4,308+8.59 RP
Aug 29, 2026 11:50	Navneet Raj	CPPg++14.2.0	Success	4,341

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