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
Sep 2, 2026 14:28	Victor Mercklé	CPPg++14.2.0	Success	4,121
Sep 2, 2026 14:21	Victor Mercklé	CPPg++14.2.0	Success	4,125
Sep 2, 2026 14:10	Victor Mercklé	CPPg++14.2.0	Success	4,257
Sep 2, 2026 13:55	Victor Mercklé	CPPg++14.2.0	Success	4,120
Sep 2, 2026 13:31	Victor Mercklé	CPPg++14.2.0	Success	4,172
Sep 2, 2026 13:17	Victor Mercklé	CPPg++14.2.0	Success	4,120
Sep 2, 2026 13:15	Victor Mercklé	CPPg++14.2.0	Success	4,173
Sep 2, 2026 12:59	Victor Mercklé	CPPg++14.2.0	Success	4,111
Sep 2, 2026 12:54	Victor Mercklé	CPPg++14.2.0	Success	4,193
Sep 2, 2026 12:47	Victor Mercklé	CPPg++14.2.0	Success	4,115
Sep 2, 2026 12:30	Victor Mercklé	CPPg++14.2.0	Success	4,124
Sep 2, 2026 12:08	Victor Mercklé	CPPg++14.2.0	Success	4,126
Sep 2, 2026 12:01	Victor Mercklé	CPPg++14.2.0	Success	4,127
Sep 2, 2026 11:51	Victor Mercklé	CPPg++14.2.0	Success	4,130
Sep 2, 2026 10:33	Victor Mercklé	CPPg++14.2.0	Success	4,855
Sep 2, 2026 10:27	Victor Mercklé	CPPg++14.2.0	Success	4,734
Sep 2, 2026 10:07	Victor Mercklé	CPPg++14.2.0	Success	4,117
Sep 2, 2026 10:01	Victor Mercklé	CPPg++14.2.0	Success	4,124
Sep 2, 2026 04:25	Victor Mercklé	CPPg++14.2.0	Success	4,110
Sep 2, 2026 04:20	Victor Mercklé	CPPg++14.2.0	Success	4,121
Sep 2, 2026 04:13	Victor Mercklé	CPPg++14.2.0	Success	4,035
Sep 2, 2026 04:04	Victor Mercklé	CPPg++14.2.0	Success	4,122
Sep 2, 2026 03:59	Victor Mercklé	CPPg++14.2.0	Success	4,122
Sep 2, 2026 03:40	Victor Mercklé	CPPg++14.2.0	Success	4,066
Sep 2, 2026 03:32	Victor Mercklé	CPPg++14.2.0	Success	4,075
Sep 2, 2026 03:23	Victor Mercklé	CPPg++14.2.0	Success	4,112
Sep 2, 2026 03:21	Victor Mercklé	CPPg++14.2.0	Success	4,076
Sep 2, 2026 03:16	Victor Mercklé	CPPg++14.2.0	Success	4,067
Sep 2, 2026 02:54	Victor Mercklé	CPPg++14.2.0	Success	4,066
Sep 2, 2026 02:42	Victor Mercklé	CPPg++14.2.0	Success	4,092
Sep 2, 2026 02:30	Victor Mercklé	CPPg++14.2.0	Success	4,115
Sep 2, 2026 02:22	Victor Mercklé	CPPg++14.2.0	Success	4,119
Sep 2, 2026 02:06	Victor Mercklé	CPPg++14.2.0	Success	4,034+3.07 RP
Sep 2, 2026 01:58	Victor Mercklé	CPPg++14.2.0	Success	4,219
Sep 2, 2026 01:45	Victor Mercklé	CPPg++14.2.0	Success	4,144
Sep 2, 2026 01:36	Victor Mercklé	CPPg++14.2.0	Success	4,082
Sep 2, 2026 01:33	Victor Mercklé	CPPg++14.2.0	Success	4,070
Sep 2, 2026 01:22	Victor Mercklé	CPPg++14.2.0	Success	4,099
Sep 2, 2026 01:12	Victor Mercklé	CPPg++14.2.0	Success	4,062
Sep 2, 2026 01:05	Victor Mercklé	CPPg++14.2.0	Success	4,075
Sep 2, 2026 00:56	Victor Mercklé	CPPg++14.2.0	Success	4,125
Sep 2, 2026 00:49	Victor Mercklé	CPPg++14.2.0	Success	4,083
Sep 2, 2026 00:46	Victor Mercklé	CPPg++14.2.0	Success	4,091
Sep 2, 2026 00:40	Victor Mercklé	CPPg++14.2.0	Success	4,157
Sep 2, 2026 00:25	Victor Mercklé	CPPg++14.2.0	Success	4,137
Sep 2, 2026 00:13	Victor Mercklé	CPPg++14.2.0	Success	4,102
Sep 1, 2026 23:36	Victor Mercklé	CPPg++14.2.0	Success	4,075
Sep 1, 2026 23:00	Victor Mercklé	CPPg++14.2.0	Success	4,102
Sep 1, 2026 22:49	Victor Mercklé	CPPg++14.2.0	Success	4,149
Sep 1, 2026 15:51	Victor Mercklé	CPPg++14.2.0	Success	4,173
Sep 1, 2026 15:47	Victor Mercklé	CPPg++14.2.0	Success	4,121
Sep 1, 2026 15:42	Victor Mercklé	CPPg++14.2.0	Success	4,155
Sep 1, 2026 15:37	Victor Mercklé	CPPg++14.2.0	Success	4,558
Sep 1, 2026 15:35	Victor Mercklé	CPPg++14.2.0	Success	4,608
Sep 1, 2026 15:25	Victor Mercklé	CPPg++14.2.0	Success	4,067
Sep 1, 2026 15:22	Victor Mercklé	CPPg++14.2.0	Success	4,092
Sep 1, 2026 15:18	Victor Mercklé	CPPg++14.2.0	Success	4,145
Sep 1, 2026 15:08	Victor Mercklé	CPPg++14.2.0	Success	4,125
Sep 1, 2026 15:01	Victor Mercklé	CPPg++14.2.0	Success	4,118
Sep 1, 2026 14:41	Victor Mercklé	CPPg++14.2.0	Success	4,114
Sep 1, 2026 14:19	Victor Mercklé	CPPg++14.2.0	Success	6,072
Sep 1, 2026 14:08	Victor Mercklé	CPPg++14.2.0	Success	4,600
Sep 1, 2026 12:20	Victor Mercklé	CPPg++14.2.0	Success	4,102
Sep 1, 2026 12:14	Victor Mercklé	CPPg++14.2.0	Success	4,078
Sep 1, 2026 12:12	Victor Mercklé	CPPg++14.2.0	Success	4,222
Sep 1, 2026 12:08	Victor Mercklé	CPPg++14.2.0	Success	4,096
Sep 1, 2026 12:05	Victor Mercklé	CPPg++14.2.0	Success	4,140
Sep 1, 2026 11:57	Victor Mercklé	CPPg++14.2.0	Success	4,076
Sep 1, 2026 11:52	Victor Mercklé	CPPg++14.2.0	Success	4,095
Sep 1, 2026 11:49	Victor Mercklé	CPPg++14.2.0	Success	4,097
Sep 1, 2026 11:46	Victor Mercklé	CPPg++14.2.0	Success	4,243
Sep 1, 2026 11:42	Victor Mercklé	CPPg++14.2.0	Success	4,227
Sep 1, 2026 11:35	Victor Mercklé	CPPg++14.2.0	Success	4,073
Sep 1, 2026 11:33	Victor Mercklé	CPPg++14.2.0	Success	4,169
Sep 1, 2026 11:30	Victor Mercklé	CPPg++14.2.0	Success	4,171
Sep 1, 2026 11:19	Victor Mercklé	CPPg++14.2.0	Success	4,129
Sep 1, 2026 11:05	Victor Mercklé	CPPg++14.2.0	Success	4,079
Sep 1, 2026 11:01	Victor Mercklé	CPPg++14.2.0	Success	4,178
Sep 1, 2026 10:59	Victor Mercklé	CPPg++14.2.0	Success	4,134
Sep 1, 2026 10:55	Victor Mercklé	CPPg++14.2.0	Success	4,265
Sep 1, 2026 10:48	Victor Mercklé	CPPg++14.2.0	Success	4,110
Sep 1, 2026 10:46	Victor Mercklé	CPPg++14.2.0	Success	4,255
Sep 1, 2026 10:32	Victor Mercklé	CPPg++14.2.0	Success	4,060
Sep 1, 2026 10:30	Victor Mercklé	CPPg++14.2.0	Success	4,173
Sep 1, 2026 10:28	Victor Mercklé	CPPg++14.2.0	Success	4,048
Sep 1, 2026 10:25	Victor Mercklé	CPPg++14.2.0	Success	4,079
Sep 1, 2026 10:23	Victor Mercklé	CPPg++14.2.0	Success	4,147
Sep 1, 2026 10:20	Victor Mercklé	CPPg++14.2.0	Success	4,159
Sep 1, 2026 10:17	Victor Mercklé	CPPg++14.2.0	Success	4,094
Sep 1, 2026 10:01	Victor Mercklé	CPPg++14.2.0	Success	4,144
Sep 1, 2026 09:58	Victor Mercklé	CPPg++14.2.0	Success	4,074
Sep 1, 2026 09:52	Victor Mercklé	CPPg++14.2.0	Success	4,121
Sep 1, 2026 09:50	Victor Mercklé	CPPg++14.2.0	Success	4,171
Sep 1, 2026 09:47	Victor Mercklé	CPPg++14.2.0	Success	4,114
Sep 1, 2026 09:44	Victor Mercklé	CPPg++14.2.0	Success	4,112
Sep 1, 2026 09:42	Victor Mercklé	CPPg++14.2.0	Success	4,130
Sep 1, 2026 09:37	Victor Mercklé	CPPg++14.2.0	Success	4,039+12.81 RP
Sep 1, 2026 09:27	Victor Mercklé	CPPg++14.2.0	Success	4,120
Sep 1, 2026 09:22	Victor Mercklé	CPPg++14.2.0	Success	4,074
Sep 1, 2026 09:17	Victor Mercklé	CPPg++14.2.0	Success	4,264

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