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
Aug 16, 2025 21:28	Leon Zhao	CPPg++13.3.0	Success	4,646
Aug 16, 2025 21:27	Leon Zhao	CPPg++13.3.0	Success	4,650
Aug 16, 2025 21:27	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 21:23	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 21:22	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 21:19	Leon Zhao	CPPg++13.3.0	Success	4,648
Aug 16, 2025 21:19	Leon Zhao	CPPg++13.3.0	Success	4,649
Aug 16, 2025 21:18	Leon Zhao	CPPg++13.3.0	Success	4,803
Aug 16, 2025 21:15	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 21:08	Leon Zhao	CPPg++13.3.0	Success	4,646
Aug 16, 2025 21:07	Leon Zhao	CPPg++13.3.0	Success	4,598+28.94 RP
Aug 16, 2025 21:06	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 21:01	Leon Zhao	CPPg++13.3.0	Success	5,578
Aug 16, 2025 20:56	Leon Zhao	CPPg++13.3.0	Success	4,757
Aug 16, 2025 20:55	Leon Zhao	CPPg++13.3.0	Success	4,685
Aug 16, 2025 20:55	Leon Zhao	CPPg++13.3.0	Success	4,693
Aug 16, 2025 20:51	Leon Zhao	CPPg++13.3.0	Success	5,293
Aug 16, 2025 20:41	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 20:39	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 20:15	Leon Zhao	CPPg++13.3.0	Success	4,660+204.93 RP
Aug 16, 2025 20:04	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 19:50	Leon Zhao	CPPg++13.3.0	Success	5,198
Aug 16, 2025 17:49	Leon Zhao	CPPg++13.3.0	Success	5,186
Aug 16, 2025 17:45	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 17:06	Leon Zhao	CPPg++13.3.0	Success	5,371
Aug 16, 2025 03:19	Leon Zhao	CPPg++13.3.0	Success	5,289
Aug 16, 2025 03:18	Leon Zhao	CPPg++13.3.0	Success	5,288
Aug 16, 2025 03:18	Leon Zhao	CPPg++13.3.0	Success	5,287
Aug 16, 2025 02:42	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 02:32	Leon Zhao	CPPg++13.3.0	Success	5,381
Aug 16, 2025 02:27	Leon Zhao	CPPg++13.3.0	Success	5,175
Aug 16, 2025 02:27	Leon Zhao	CPPg++13.3.0	Success	5,768
Aug 16, 2025 02:21	Leon Zhao	CPPg++13.3.0	Success	5,187
Aug 16, 2025 02:21	Leon Zhao	CPPg++13.3.0	Success	5,271
Aug 16, 2025 02:20	Leon Zhao	CPPg++13.3.0	Success	5,261
Aug 16, 2025 02:19	Leon Zhao	CPPg++13.3.0	Success	5,272
Aug 16, 2025 02:18	Leon Zhao	CPPg++13.3.0	Success	5,255
Aug 16, 2025 02:16	Leon Zhao	CPPg++13.3.0	Success	5,412
Aug 16, 2025 02:15	Leon Zhao	CPPg++13.3.0	Success	5,208
Aug 16, 2025 02:08	Leon Zhao	CPPg++13.3.0	Success	5,160
Aug 16, 2025 01:22	Leon Zhao	CPPg++13.3.0	Success	5,283
Aug 16, 2025 01:22	Leon Zhao	CPPg++13.3.0	Success	5,163
Aug 16, 2025 01:21	Leon Zhao	CPPg++13.3.0	Success	5,156
Aug 16, 2025 00:53	Leon Zhao	CPPg++13.3.0	Success	5,162
Aug 16, 2025 00:21	Leon Zhao	CPPg++13.3.0	Success	5,152+0.38 RP
Aug 16, 2025 00:19	Leon Zhao	CPPg++13.3.0	Success	5,153
Aug 16, 2025 00:17	Leon Zhao	CPPg++13.3.0	Success	5,173
Aug 16, 2025 00:16	Leon Zhao	CPPg++13.3.0	Success	5,164
Aug 16, 2025 00:12	Leon Zhao	CPPg++13.3.0	Success	5,298
Aug 16, 2025 00:08	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 00:07	Leon Zhao	CPPg++13.3.0	Success	5,157
Aug 16, 2025 00:07	Leon Zhao	CPPg++13.3.0	Success	5,283
Aug 15, 2025 23:50	Leon Zhao	CPPg++13.3.0	Success	5,292
Aug 15, 2025 23:46	Leon Zhao	CPPg++13.3.0	Success	5,159
Aug 15, 2025 23:37	Leon Zhao	CPPg++13.3.0	Error
Aug 15, 2025 21:33	Leon Zhao	CPPg++13.3.0	Success	5,203
Aug 15, 2025 21:12	Leon Zhao	CPPg++13.3.0	Error
Aug 15, 2025 21:10	Leon Zhao	CPPg++13.3.0	Success	5,307
Aug 15, 2025 21:10	Leon Zhao	CPPg++13.3.0	Success	8,205
Aug 15, 2025 21:05	Leon Zhao	CPPg++13.3.0	Error
Aug 15, 2025 20:10	Leon Zhao	CPPg++13.3.0	Success	5,176
Aug 15, 2025 20:07	Leon Zhao	CPPg++13.3.0	Success	5,183
Aug 15, 2025 19:33	Leon Zhao	CPPg++13.3.0	Success	5,153+1.13 RP
Aug 15, 2025 19:28	Leon Zhao	CPPg++13.3.0	Success	5,169
Aug 15, 2025 19:18	Leon Zhao	CPPg++13.3.0	Success	5,156+6.37 RP
Aug 15, 2025 19:16	Leon Zhao	CPPg++13.3.0	Success	5,187
Aug 15, 2025 19:07	Leon Zhao	CPPg++13.3.0	Success	41,647
Aug 15, 2025 18:38	Leon Zhao	CPPg++13.3.0	Success	5,191
Aug 15, 2025 18:36	Leon Zhao	CPPg++13.3.0	Success	5,199
Aug 15, 2025 18:28	Leon Zhao	CPPg++13.3.0	Success	5,305
Aug 15, 2025 12:44	thatmagicalcat	RUSTrust-1.89.0	Success	7,073
Aug 15, 2025 12:11	thatmagicalcat	RUSTrust-1.89.0	Success	5,768
Aug 15, 2025 11:48	thatmagicalcat	RUSTrust-1.89.0	Success	5,602
Aug 15, 2025 11:41	thatmagicalcat	RUSTrust-1.89.0	Success	5,606
Aug 15, 2025 11:34	thatmagicalcat	RUSTrust-1.89.0	Success	5,751
Aug 15, 2025 01:59	Leon Zhao	CPPg++13.3.0	Success	5,173+1.49 RP
Aug 15, 2025 01:56	Leon Zhao	CPPg++13.3.0	Success	5,177+36.60 RP
Aug 15, 2025 01:17	Leon Zhao	CPPg++13.3.0	Success	5,304
Aug 15, 2025 00:41	Leon Zhao	CPPg++13.3.0	Success	5,399
Aug 15, 2025 00:31	Leon Zhao	CPPg++13.3.0	Success	5,598
Aug 15, 2025 00:28	Leon Zhao	CPPg++13.3.0	Success	5,285
Aug 15, 2025 00:18	Leon Zhao	CPPg++13.3.0	Success	5,324
Aug 15, 2025 00:14	Leon Zhao	CPPg++13.3.0	Error
Aug 14, 2025 23:56	Leon Zhao	CPPg++13.3.0	Success	5,283
Aug 14, 2025 23:55	Leon Zhao	CPPg++13.3.0	Success	5,291
Aug 14, 2025 23:54	Leon Zhao	CPPg++13.3.0	Success	8,222
Aug 14, 2025 23:06	Leon Zhao	CPPg++13.3.0	Success	5,395
Aug 14, 2025 23:02	Leon Zhao	CPPg++13.3.0	Success	5,369
Aug 14, 2025 23:01	Leon Zhao	CPPg++13.3.0	Success	5,359
Aug 14, 2025 23:00	Leon Zhao	CPPg++13.3.0	Error
Aug 14, 2025 23:00	Leon Zhao	CPPg++13.3.0	Error
Aug 14, 2025 22:57	Leon Zhao	CPPg++13.3.0	Error
Aug 14, 2025 22:56	Leon Zhao	CPPg++13.3.0	Error
Aug 14, 2025 22:49	Leon Zhao	CPPg++13.3.0	Success	5,290
Aug 14, 2025 22:46	Leon Zhao	CPPg++13.3.0	Success	5,335
Aug 14, 2025 22:42	Leon Zhao	CPPg++13.3.0	Success	5,329
Aug 14, 2025 22:35	Leon Zhao	CPPg++13.3.0	Success	5,318
Aug 14, 2025 21:45	Leon Zhao	CPPg++13.3.0	Success	5,335
Aug 14, 2025 21:42	Leon Zhao	CPPg++13.3.0	Success	5,327
Aug 14, 2025 21:42	Leon Zhao	CPPg++13.3.0	Success	5,392

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