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
Jul 2, 2026 21:39	Ilya	CPPg++13.3.0	Success	4,355
Jul 2, 2026 21:36	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 21:27	Ilya	CPPg++13.3.0	Success	4,270
Jul 2, 2026 21:24	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 21:23	Ilya	CPPg++13.3.0	Success	4,278
Jul 2, 2026 21:22	Ilya	CPPg++13.3.0	Success	4,291
Jul 2, 2026 21:21	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 21:21	Ilya	CPPg++13.3.0	Success	4,387
Jul 2, 2026 21:15	Ilya	CPPg++13.3.0	Success	4,263
Jul 2, 2026 21:13	Ilya	CPPg++13.3.0	Success	4,266
Jul 2, 2026 21:12	Ilya	CPPg++13.3.0	Success	4,274
Jul 2, 2026 21:11	Ilya	CPPg++13.3.0	Success	4,277
Jul 2, 2026 21:09	Ilya	CPPg++13.3.0	Success	4,270
Jul 2, 2026 21:08	Ilya	CPPg++13.3.0	Success	4,268
Jul 2, 2026 20:55	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 20:24	Ilya	CPPg++13.3.0	Success	4,270
Jul 2, 2026 19:12	Victor Mercklé	CPPg++14.2.0	Success	4,219
Jul 2, 2026 19:07	Victor Mercklé	CPPg++14.2.0	Success	4,195
Jul 2, 2026 19:01	Victor Mercklé	CPPg++14.2.0	Success	4,194
Jul 2, 2026 18:53	Victor Mercklé	CPPg++14.2.0	Success	4,197
Jul 2, 2026 17:54	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 17:47	Ilya	CPPg++13.3.0	Success	4,259
Jul 2, 2026 17:46	Ilya	CPPg++13.3.0	Success	4,256
Jul 2, 2026 17:36	Ilya	CPPg++13.3.0	Success	4,274
Jul 2, 2026 17:35	Ilya	CPPg++13.3.0	Success	4,260
Jul 2, 2026 17:34	Ilya	CPPg++13.3.0	Success	4,269
Jul 2, 2026 17:33	Ilya	CPPg++13.3.0	Success	4,312
Jul 2, 2026 17:31	Ilya	CPPg++13.3.0	Success	4,272
Jul 2, 2026 17:29	Ilya	CPPg++13.3.0	Success	4,259
Jul 2, 2026 17:27	Ilya	CPPg++13.3.0	Success	4,255+2.76 RP
Jul 2, 2026 17:17	Ilya	CPPg++13.3.0	Success	5,008
Jul 2, 2026 17:06	Ilya	CPPg++13.3.0	Success	4,270
Jul 2, 2026 16:59	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 16:59	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 16:57	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 16:52	Ilya	CPPg++13.3.0	Success	4,264
Jul 2, 2026 16:51	Ilya	CPPg++13.3.0	Success	4,260
Jul 2, 2026 16:50	Ilya	CPPg++14.2.0	Success	4,292
Jul 2, 2026 16:49	Ilya	CPPg++14.2.0	Success	4,282
Jul 2, 2026 16:49	Ilya	CPPg++14.2.0	Success	4,268
Jul 2, 2026 16:48	Ilya	CPPg++14.2.0	Success	4,273
Jul 2, 2026 16:48	Ilya	CPPg++13.3.0	Success	4,267
Jul 2, 2026 16:47	Ilya	CPPg++13.3.0	Success	4,270
Jul 2, 2026 16:45	Victor Mercklé	CPPg++14.2.0	Success	4,263
Jul 2, 2026 16:44	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 16:39	Victor Mercklé	CPPg++14.2.0	Success	4,197
Jul 2, 2026 16:33	Victor Mercklé	CPPg++14.2.0	Success	4,201
Jul 2, 2026 16:32	Ilya	CPPg++13.3.0	Success	4,284
Jul 2, 2026 16:31	Ilya	CPPg++13.3.0	Success	4,285
Jul 2, 2026 16:28	Victor Mercklé	CPPg++14.2.0	Success	4,193
Jul 2, 2026 16:27	Ilya	CPPg++13.3.0	Success	4,319
Jul 2, 2026 16:27	Ilya	CPPg++13.3.0	Success	4,278
Jul 2, 2026 16:25	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 16:23	Ilya	CPPg++13.3.0	Success	4,273
Jul 2, 2026 16:23	Victor Mercklé	CPPg++14.2.0	Success	4,203
Jul 2, 2026 16:21	Ilya	CPPg++13.3.0	Success	4,283
Jul 2, 2026 16:21	Ilya	CPPg++13.3.0	Success	4,263
Jul 2, 2026 16:19	Ilya	CPPg++13.3.0	Success	4,319
Jul 2, 2026 16:18	Ilya	CPPg++13.3.0	Success	4,276
Jul 2, 2026 16:18	Victor Mercklé	CPPg++14.2.0	Success	4,191
Jul 2, 2026 16:16	Ilya	CPPg++13.3.0	Success	4,260+13.70 RP
Jul 2, 2026 16:14	Ilya	CPPg++13.3.0	Success	4,355
Jul 2, 2026 16:14	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 16:12	Victor Mercklé	CPPg++14.2.0	Success	4,193
Jul 2, 2026 16:07	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 16:06	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 16:04	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 16:02	Ilya	CPPg++13.3.0	Success	4,368
Jul 2, 2026 16:01	Ilya	CPPg++13.3.0	Success	4,330
Jul 2, 2026 15:58	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 15:57	Ilya	CPPg++13.3.0	Success	4,401
Jul 2, 2026 15:45	Ilya	CPPg++13.3.0	Success	4,397
Jul 2, 2026 15:43	Ilya	CPPg++14.2.0	Success	4,375
Jul 2, 2026 15:43	Ilya	CPPclang++16.0.6	Success	4,497
Jul 2, 2026 15:42	Ilya	CPPg++13.3.0	Success	4,379
Jul 2, 2026 15:41	Ilya	CPPg++13.3.0	Error
Jul 2, 2026 08:36	Victor Mercklé	CPPg++14.2.0	Success	4,197
Jul 2, 2026 08:23	Victor Mercklé	CPPg++14.2.0	Success	4,198
Jul 2, 2026 08:07	Victor Mercklé	CPPg++14.2.0	Success	4,198
Jul 2, 2026 08:01	Victor Mercklé	CPPg++14.2.0	Success	4,198
Jul 2, 2026 07:54	Victor Mercklé	CPPg++14.2.0	Success	4,196
Jul 2, 2026 07:49	Victor Mercklé	CPPg++14.2.0	Success	4,195
Jul 2, 2026 07:40	Victor Mercklé	CPPg++14.2.0	Success	4,198
Jul 2, 2026 04:08	A_Shaman	CPPg++10.5.0	Success	5,249
Jul 2, 2026 04:04	A_Shaman	CPPg++10.5.0	Success	5,245
Jul 2, 2026 03:58	A_Shaman	CPPg++10.5.0	Success	5,250
Jul 2, 2026 03:51	A_Shaman	CPPg++10.5.0	Success	5,247
Jul 2, 2026 03:48	A_Shaman	CPPg++10.5.0	Success	5,226+1.10 RP
Jul 2, 2026 03:36	A_Shaman	CPPg++10.5.0	Success	5,229+2.19 RP
Jul 2, 2026 03:30	A_Shaman	CPPg++10.5.0	Success	5,235+0.36 RP
Jul 2, 2026 03:20	A_Shaman	CPPg++10.5.0	Success	5,248
Jul 2, 2026 03:14	A_Shaman	CPPg++10.5.0	Success	5,236+6.18 RP
Jul 2, 2026 03:10	A_Shaman	CPPg++10.5.0	Success	5,253+1.45 RP
Jul 2, 2026 01:56	Victor Mercklé	CPPg++14.2.0	Success	4,198
Jul 2, 2026 01:48	Victor Mercklé	CPPg++14.2.0	Success	4,204
Jul 2, 2026 01:43	Victor Mercklé	CPPg++14.2.0	Success	4,199
Jul 2, 2026 01:36	Victor Mercklé	CPPg++14.2.0	Success	4,199
Jul 1, 2026 18:44	Ilya	CPPg++13.3.0	Success	4,315
Jul 1, 2026 18:40	Ilya	CPPg++13.3.0	Success	4,306
Jul 1, 2026 18:00	Ilya	CPPg++13.3.0	Success	4,314

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