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
Jun 2, 2026 23:51	Maya Rebholz	CPPg++10.5.0	Success	4,347+1.59 RP
Jun 2, 2026 23:47	Victor Mercklé	CPPg++14.2.0	Success	4,183
Jun 2, 2026 23:43	Maya Rebholz	CPPg++10.5.0	Error
Jun 2, 2026 23:43	Maya Rebholz	CPPg++10.5.0	Success	4,350
Jun 2, 2026 23:40	Maya Rebholz	CPPg++10.5.0	Success	4,371
Jun 2, 2026 23:39	Maya Rebholz	CPPg++10.5.0	Success	5,894
Jun 2, 2026 23:38	Maya Rebholz	CPPg++10.5.0	Success	5,894
Jun 2, 2026 23:38	Victor Mercklé	CPPg++14.2.0	Success	4,177
Jun 2, 2026 23:37	Maya Rebholz	CPPg++10.5.0	Error
Jun 2, 2026 23:35	Maya Rebholz	CPPg++10.5.0	Success	4,350+42.53 RP
Jun 2, 2026 23:34	Maya Rebholz	CPPg++10.5.0	Success	4,882
Jun 2, 2026 23:32	Maya Rebholz	CPPg++10.5.0	Success	4,432+71.00 RP
Jun 2, 2026 23:29	Maya Rebholz	CPPg++10.5.0	Success	4,579
Jun 2, 2026 23:26	Maya Rebholz	CPPg++10.5.0	Success	4,576+200.79 RP
Jun 2, 2026 23:26	highloadLLM	CPPclang++18.1.3	Success	4,223
Jun 2, 2026 23:23	Victor Mercklé	CPPg++14.2.0	Success	4,191
Jun 2, 2026 23:18	Victor Mercklé	CPPg++14.2.0	Success	4,183
Jun 2, 2026 23:16	Maya Rebholz	CPPg++10.5.0	Success	5,076
Jun 2, 2026 23:13	Maya Rebholz	CPPg++10.5.0	Error
Jun 2, 2026 23:13	Victor Mercklé	CPPg++14.2.0	Success	4,182
Jun 2, 2026 23:11	highloadLLM	CPPclang++18.1.3	Success	4,208
Jun 2, 2026 23:08	Victor Mercklé	CPPg++14.2.0	Success	4,186
Jun 2, 2026 23:06	highloadLLM	CPPclang++18.1.3	Success	7,275
Jun 2, 2026 23:00	Victor Mercklé	CPPg++14.2.0	Success	4,177
Jun 2, 2026 22:55	Victor Mercklé	CPPg++14.2.0	Success	4,395
Jun 2, 2026 22:44	highloadLLM	CPPclang++18.1.3	Success	4,354
Jun 2, 2026 22:38	highloadLLM	CPPclang++18.1.3	Success	4,232
Jun 2, 2026 22:33	Victor Mercklé	CPPg++14.2.0	Success	4,187
Jun 2, 2026 22:28	Victor Mercklé	CPPg++14.2.0	Success	4,184
Jun 2, 2026 22:23	Victor Mercklé	CPPg++14.2.0	Success	4,180
Jun 2, 2026 22:18	Victor Mercklé	CPPg++14.2.0	Success	4,177
Jun 2, 2026 22:13	Victor Mercklé	CPPg++14.2.0	Success	4,178
Jun 2, 2026 22:08	Victor Mercklé	CPPg++14.2.0	Success	4,186
Jun 2, 2026 22:00	highloadLLM	CPPclang++18.1.3	Success	4,270
Jun 2, 2026 22:00	Victor Mercklé	CPPg++14.2.0	Success	4,233
Jun 2, 2026 21:56	highloadLLM	CPPclang++18.1.3	Success	4,253
Jun 2, 2026 21:55	Victor Mercklé	CPPg++14.2.0	Success	4,186
Jun 2, 2026 21:50	highloadLLM	CPPclang++18.1.3	Success	4,170
Jun 2, 2026 21:50	Victor Mercklé	CPPg++14.2.0	Success	4,189
Jun 2, 2026 21:47	highloadLLM	CPPclang++18.1.3	Success	4,757
Jun 2, 2026 21:45	Victor Mercklé	CPPg++14.2.0	Success	4,176
Jun 2, 2026 21:40	Victor Mercklé	CPPg++14.2.0	Success	4,179
Jun 2, 2026 21:40	highloadLLM	CPPclang++18.1.3	Success	4,548
Jun 2, 2026 21:35	Victor Mercklé	CPPg++14.2.0	Success	4,181
Jun 2, 2026 21:31	highloadLLM	CPPclang++18.1.3	Success	4,281
Jun 2, 2026 21:26	Ilya	CPPg++13.3.0	Error
Jun 2, 2026 21:26	Victor Mercklé	CPPg++14.2.0	Success	4,181
Jun 2, 2026 21:25	Ilya	CPPg++13.3.0	Error
Jun 2, 2026 21:21	highloadLLM	CPPclang++18.1.3	Success	4,779
Jun 2, 2026 21:16	highloadLLM	CPPclang++18.1.3	Success	4,191
Jun 2, 2026 21:08	Ilya	CPPg++13.3.0	Success	4,360
Jun 2, 2026 21:05	highloadLLM	CPPclang++18.1.3	Success	4,439
Jun 2, 2026 21:04	Victor Mercklé	CPPg++14.2.0	Success	4,179
Jun 2, 2026 21:02	Ilya	CPPg++13.3.0	Success	4,367
Jun 2, 2026 20:59	Victor Mercklé	CPPg++14.2.0	Success	4,181
Jun 2, 2026 20:55	highloadLLM	CPPclang++18.1.3	Success	4,173
Jun 2, 2026 20:55	Josu San Martin	CPPclang++18.1.3	Success	4,166+12.04 RP
Jun 2, 2026 20:51	highloadLLM	CPPclang++18.1.3	Success	4,207
Jun 2, 2026 20:51	Josu San Martin	CPPclang++20.1.2	Success	4,187+123.34 RP
Jun 2, 2026 20:50	Ilya	CPPg++13.3.0	Success	5,164
Jun 2, 2026 20:47	Ilya	CPPg++13.3.0	Success	4,400
Jun 2, 2026 20:45	highloadLLM	CPPclang++18.1.3	Success	4,307
Jun 2, 2026 20:43	Victor Mercklé	CPPg++14.2.0	Success	4,176
Jun 2, 2026 20:38	Victor Mercklé	CPPg++14.2.0	Success	4,186
Jun 2, 2026 20:38	highloadLLM	CPPclang++18.1.3	Success	4,357
Jun 2, 2026 20:33	Victor Mercklé	CPPg++14.2.0	Success	4,184
Jun 2, 2026 20:31	highloadLLM	CPPclang++18.1.3	Success	4,205
Jun 2, 2026 20:28	highloadLLM	CPPclang++18.1.3	Success	4,299
Jun 2, 2026 20:28	Victor Mercklé	CPPg++14.2.0	Success	4,180
Jun 2, 2026 20:25	highloadLLM	CPPclang++18.1.3	Success	4,197
Jun 2, 2026 20:23	Victor Mercklé	CPPg++14.2.0	Success	4,181
Jun 2, 2026 20:19	highloadLLM	CPPclang++18.1.3	Success	4,211
Jun 2, 2026 20:18	Ilya	CPPg++13.3.0	Success	4,344
Jun 2, 2026 20:18	Victor Mercklé	CPPg++14.2.0	Success	4,190
Jun 2, 2026 20:16	Ilya	CPPg++13.3.0	Error
Jun 2, 2026 20:14	highloadLLM	CPPclang++18.1.3	Success	4,256
Jun 2, 2026 20:13	Ilya	CPPg++13.3.0	Error
Jun 2, 2026 20:08	highloadLLM	CPPg++13.3.0	Success	4,311
Jun 2, 2026 20:02	highloadLLM	CPPg++13.3.0	Success	4,315
Jun 2, 2026 19:59	highloadLLM	CPPg++12.4.0	Success	4,185
Jun 2, 2026 19:57	Ilya	CPPg++13.3.0	Success	4,299
Jun 2, 2026 19:57	Ilya	CPPg++13.3.0	Success	4,310
Jun 2, 2026 19:54	highloadLLM	CPPclang++18.1.3	Success	4,746
Jun 2, 2026 19:50	Ilya	CPPg++13.3.0	Error
Jun 2, 2026 19:45	highloadLLM	CPPclang++18.1.3	Success	4,168
Jun 2, 2026 19:44	Ilya	CPPg++13.3.0	Success	4,303
Jun 2, 2026 19:43	Ilya	CPPg++13.3.0	Success	4,308
Jun 2, 2026 19:42	Ilya	CPPg++13.3.0	Success	4,314
Jun 2, 2026 19:41	highloadLLM	CPPclang++18.1.3	Success	4,238
Jun 2, 2026 19:36	highloadLLM	CPPclang++18.1.3	Success	4,171
Jun 2, 2026 19:31	highloadLLM	CPPg++13.3.0	Success	4,196
Jun 2, 2026 19:29	highloadLLM	CPPclang++15.0.7	Success	4,188
Jun 2, 2026 19:26	highloadLLM	CPPclang++18.1.3	Success	4,168
Jun 2, 2026 19:21	highloadLLM	CPPclang++16.0.6	Success	4,168
Jun 2, 2026 19:19	highloadLLM	CPPclang++18.1.3	Success	4,168
Jun 2, 2026 19:15	highloadLLM	CPPclang++18.1.3	Success	4,187
Jun 2, 2026 19:09	highloadLLM	CPPclang++17.0.6	Success	4,188
Jun 2, 2026 19:05	highloadLLM	CPPclang++18.1.3	Success	4,299
Jun 2, 2026 19:04	highloadLLM	CPPclang++15.0.7	Success	4,180
Jun 2, 2026 19:04	highloadLLM	CPPclang++16.0.6	Success	4,175

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