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 1, 2026 09:08	Victor Mercklé	CPPg++14.2.0	Success	4,184
Sep 1, 2026 09:05	Victor Mercklé	CPPg++14.2.0	Success	4,080
Sep 1, 2026 08:55	Victor Mercklé	CPPg++14.2.0	Success	4,071
Sep 1, 2026 08:50	Victor Mercklé	CPPg++14.2.0	Success	4,082
Sep 1, 2026 08:34	Victor Mercklé	CPPg++14.2.0	Success	4,163
Sep 1, 2026 08:28	Victor Mercklé	CPPg++14.2.0	Success	4,070
Sep 1, 2026 08:26	Victor Mercklé	CPPg++14.2.0	Success	4,072
Sep 1, 2026 08:23	Victor Mercklé	CPPg++14.2.0	Success	4,070
Sep 1, 2026 08:17	Victor Mercklé	CPPg++14.2.0	Success	4,072
Sep 1, 2026 08:13	Victor Mercklé	CPPg++14.2.0	Success	4,067
Sep 1, 2026 08:04	Victor Mercklé	CPPg++14.2.0	Success	4,277
Sep 1, 2026 08:01	Victor Mercklé	CPPg++14.2.0	Success	4,215
Sep 1, 2026 07:57	Victor Mercklé	CPPg++14.2.0	Success	4,893
Aug 31, 2026 19:41	Josu San Martin	CPPclang++18.1.3	Success	4,632
Aug 31, 2026 19:38	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 19:33	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 19:30	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 19:25	Josu San Martin	CPPclang++18.1.3	Success	4,105
Aug 31, 2026 19:22	Josu San Martin	CPPclang++18.1.3	Success	4,122
Aug 31, 2026 19:04	Josu San Martin	CPPclang++20.1.2	Success	4,104
Aug 31, 2026 19:02	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 19:00	Josu San Martin	CPPclang++18.1.3	Success	4,109
Aug 31, 2026 18:58	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 18:54	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 18:53	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 18:50	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 18:34	Josu San Martin	CPPclang++18.1.3	Success	4,116
Aug 31, 2026 18:29	Josu San Martin	CPPclang++18.1.3	Success	4,117
Aug 31, 2026 18:20	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 17:58	Josu San Martin	CPPclang++18.1.3	Success	4,431
Aug 31, 2026 17:53	Josu San Martin	CPPclang++18.1.3	Success	4,103
Aug 31, 2026 17:44	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 17:41	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 17:36	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 17:26	Josu San Martin	CPPclang++18.1.3	Success	4,281
Aug 31, 2026 17:17	Josu San Martin	CPPclang++18.1.3	Success	4,234
Aug 31, 2026 17:15	Josu San Martin	CPPclang++18.1.3	Success	4,166
Aug 31, 2026 17:12	Josu San Martin	CPPclang++18.1.3	Success	4,143
Aug 31, 2026 17:10	Josu San Martin	CPPclang++18.1.3	Success	4,215
Aug 31, 2026 17:08	Josu San Martin	CPPclang++18.1.3	Success	4,104
Aug 31, 2026 17:04	Josu San Martin	CPPclang++18.1.3	Success	5,105
Aug 31, 2026 16:58	Josu San Martin	CPPclang++18.1.3	Success	4,251
Aug 31, 2026 16:56	Josu San Martin	CPPclang++18.1.3	Success	4,292
Aug 31, 2026 16:53	Josu San Martin	CPPclang++18.1.3	Success	4,557
Aug 31, 2026 16:51	Josu San Martin	CPPclang++18.1.3	Success	5,715
Aug 31, 2026 16:49	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 16:43	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 16:32	Josu San Martin	CPPclang++18.1.3	Success	16,848
Aug 31, 2026 16:29	Josu San Martin	CPPclang++18.1.3	Success	4,272
Aug 31, 2026 16:25	Josu San Martin	CPPclang++18.1.3	Success	5,644
Aug 31, 2026 16:21	Josu San Martin	CPPclang++18.1.3	Success	4,163
Aug 31, 2026 16:16	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 16:13	Josu San Martin	CPPclang++18.1.3	Success	5,687
Aug 31, 2026 16:08	Josu San Martin	CPPclang++18.1.3	Success	32,169
Aug 31, 2026 16:01	Josu San Martin	CPPclang++18.1.3	Success	4,174
Aug 31, 2026 15:51	Josu San Martin	CPPclang++18.1.3	Success	4,119
Aug 31, 2026 15:46	Josu San Martin	CPPclang++18.1.3	Success	4,342
Aug 31, 2026 15:36	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 15:30	Josu San Martin	CPPclang++18.1.3	Success	4,265
Aug 31, 2026 15:28	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 15:25	Josu San Martin	CPPclang++18.1.3	Success	4,177
Aug 31, 2026 15:21	Josu San Martin	CPPclang++18.1.3	Success	4,088
Aug 31, 2026 15:16	Josu San Martin	CPPclang++18.1.3	Success	4,104
Aug 31, 2026 15:13	Josu San Martin	CPPclang++18.1.3	Success	4,098
Aug 31, 2026 15:05	Josu San Martin	CPPclang++18.1.3	Success	4,669
Aug 31, 2026 15:00	Josu San Martin	CPPclang++18.1.3	Success	4,108
Aug 31, 2026 14:58	Josu San Martin	CPPclang++18.1.3	Success	4,104
Aug 31, 2026 14:55	Josu San Martin	CPPclang++18.1.3	Success	4,341
Aug 31, 2026 14:53	Josu San Martin	CPPclang++18.1.3	Success	4,183
Aug 31, 2026 14:50	Josu San Martin	CPPclang++18.1.3	Success	4,209
Aug 31, 2026 14:31	Josu San Martin	CPPclang++18.1.3	Success	4,103
Aug 31, 2026 14:23	Josu San Martin	CPPclang++18.1.3	Success	4,113
Aug 31, 2026 14:14	Josu San Martin	CPPg++14.2.0	Success	4,103
Aug 31, 2026 14:07	Josu San Martin	CPPclang++18.1.3	Success	4,327
Aug 31, 2026 13:57	Josu San Martin	CPPclang++18.1.3	Success	4,098
Aug 31, 2026 13:47	Josu San Martin	CPPclang++18.1.3	Success	4,528
Aug 31, 2026 13:37	Josu San Martin	CPPclang++18.1.3	Success	4,138
Aug 31, 2026 13:29	Josu San Martin	CPPclang++20.1.2	Success	4,103
Aug 31, 2026 13:25	Josu San Martin	CPPclang++18.1.3	Error
Aug 31, 2026 13:20	Josu San Martin	CPPclang++18.1.3	Success	4,107
Aug 31, 2026 13:12	Josu San Martin	CPPclang++18.1.3	Success	4,526
Aug 31, 2026 13:03	Josu San Martin	CPPclang++18.1.3	Success	4,256
Aug 31, 2026 12:54	Josu San Martin	CPPclang++18.1.3	Success	4,086+0.60 RP
Aug 31, 2026 12:45	Josu San Martin	CPPclang++18.1.3	Success	4,196
Aug 31, 2026 12:37	Josu San Martin	CPPclang++18.1.3	Success	5,125
Aug 31, 2026 12:27	Josu San Martin	CPPclang++18.1.3	Success	4,222
Aug 31, 2026 12:17	Josu San Martin	CPPclang++18.1.3	Success	4,205
Aug 31, 2026 12:07	Josu San Martin	CPPclang++18.1.3	Success	6,237
Aug 31, 2026 11:59	Josu San Martin	CPPclang++18.1.3	Success	4,095
Aug 31, 2026 11:43	Josu San Martin	CPPclang++18.1.3	Success	4,125
Aug 31, 2026 11:39	Josu San Martin	CPPclang++18.1.3	Success	5,009
Aug 31, 2026 11:27	Josu San Martin	CPPg++10.5.0	Success	4,109
Aug 31, 2026 11:19	Josu San Martin	CPPclang++18.1.3	Success	4,209
Aug 31, 2026 11:11	Josu San Martin	CPPclang++18.1.3	Success	4,141
Aug 31, 2026 11:02	Josu San Martin	CPPclang++18.1.3	Success	4,144
Aug 31, 2026 10:54	Josu San Martin	CPPclang++18.1.3	Success	4,248
Aug 31, 2026 10:46	Josu San Martin	CPPclang++18.1.3	Success	4,125
Aug 31, 2026 10:38	Josu San Martin	CPPclang++18.1.3	Success	4,112
Aug 31, 2026 10:29	Josu San Martin	CPPclang++18.1.3	Success	4,093
Aug 31, 2026 10:22	Josu San Martin	CPPclang++18.1.3	Success	4,100

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