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
Apr 14, 2026 06:30	Yuriy Lyfenko	CPPg++13.3.0	Success	4,205
Apr 14, 2026 06:26	Yuriy Lyfenko	CPPg++13.3.0	Success	4,174
Apr 14, 2026 06:23	Yuriy Lyfenko	CPPclang++18.1.3	Success	4,228
Apr 14, 2026 06:21	Yuriy Lyfenko	CPPg++13.3.0	Success	4,175
Apr 14, 2026 06:20	Yuriy Lyfenko	CPPg++13.3.0	Success	4,308
Apr 14, 2026 06:07	Yuriy Lyfenko	CPPg++13.3.0	Success	4,308
Apr 14, 2026 06:04	Yuriy Lyfenko	CPPg++13.3.0	Success	4,306
Apr 14, 2026 06:03	Yuriy Lyfenko	CPPg++13.3.0	Success	4,311
Apr 14, 2026 06:02	Yuriy Lyfenko	CPPg++13.3.0	Success	4,306
Apr 14, 2026 06:01	Yuriy Lyfenko	CPPg++13.3.0	Success	4,349
Apr 14, 2026 05:59	Yuriy Lyfenko	CPPclang++18.1.3	Success	4,429
Apr 14, 2026 05:59	Yuriy Lyfenko	CPPg++13.3.0	Success	4,358
Apr 14, 2026 05:57	Yuriy Lyfenko	CPPg++13.3.0	Success	4,444
Apr 14, 2026 05:55	Yuriy Lyfenko	CPPg++13.3.0	Success	4,425
Apr 14, 2026 05:55	Yuriy Lyfenko	CPPclang++18.1.3	Success	4,473
Apr 14, 2026 05:55	Yuriy Lyfenko	CPPg++13.3.0	Success	4,413
Apr 14, 2026 05:52	Yuriy Lyfenko	CPPg++13.3.0	Success	5,146
Apr 14, 2026 05:43	Yuriy Lyfenko	CPPg++13.3.0	Success	4,419
Apr 14, 2026 05:37	Yuriy Lyfenko	CPPg++13.3.0	Success	4,825
Apr 14, 2026 05:36	Yuriy Lyfenko	CPPg++13.3.0	Error
Apr 14, 2026 05:26	Yuriy Lyfenko	CPPg++13.3.0	Success	4,628
Apr 14, 2026 05:24	Yuriy Lyfenko	CPPg++13.3.0	Success	4,518
Apr 14, 2026 05:24	Yuriy Lyfenko	CPPg++13.3.0	Success	4,470
Apr 14, 2026 05:23	Yuriy Lyfenko	CPPg++13.3.0	Success	4,888
Apr 14, 2026 05:22	Yuriy Lyfenko	CPPg++13.3.0	Success	4,381
Apr 14, 2026 05:20	Yuriy Lyfenko	CPPg++13.3.0	Success	4,742
Apr 14, 2026 05:19	Yuriy Lyfenko	CPPg++13.3.0	Success	4,902
Apr 14, 2026 05:18	Yuriy Lyfenko	CPPg++13.3.0	Success	4,794
Apr 14, 2026 05:09	Yuriy Lyfenko	CPPg++13.3.0	Success	4,539
Apr 14, 2026 04:55	Yuriy Lyfenko	CPPg++13.3.0	Success	4,413
Apr 14, 2026 04:54	Yuriy Lyfenko	CPPg++13.3.0	Success	4,397
Apr 14, 2026 04:53	Yuriy Lyfenko	CPPg++13.3.0	Success	4,409
Apr 14, 2026 04:53	Yuriy Lyfenko	CPPg++13.3.0	Success	4,377
Apr 13, 2026 17:34	Oleg Skinderev	CPPg++13.3.0	Success	5,063
Apr 13, 2026 17:31	Oleg Skinderev	CPPg++13.3.0	Success	4,997
Apr 13, 2026 17:31	Oleg Skinderev	CPPg++13.3.0	Success	5,049
Apr 13, 2026 17:30	Oleg Skinderev	CPPg++13.3.0	Success	5,045
Apr 13, 2026 17:29	Oleg Skinderev	CPPg++13.3.0	Success	10,901
Apr 13, 2026 17:26	Oleg Skinderev	CPPg++13.3.0	Success	5,003
Apr 13, 2026 17:25	Oleg Skinderev	CPPg++13.3.0	Success	5,003
Apr 13, 2026 17:24	Oleg Skinderev	CPPg++13.3.0	Success	5,018
Apr 13, 2026 17:24	Oleg Skinderev	CPPg++13.3.0	Success	5,047
Apr 13, 2026 17:23	Oleg Skinderev	CPPg++13.3.0	Success	5,018
Apr 13, 2026 17:22	Oleg Skinderev	CPPg++13.3.0	Success	5,014
Apr 13, 2026 17:22	Oleg Skinderev	CPPg++13.3.0	Success	5,017
Apr 13, 2026 17:21	Oleg Skinderev	CPPg++13.3.0	Success	5,716
Apr 13, 2026 17:21	Oleg Skinderev	CPPg++13.3.0	Success	5,270
Apr 13, 2026 17:20	Oleg Skinderev	CPPg++13.3.0	Success	5,784
Apr 13, 2026 17:19	Oleg Skinderev	CPPg++13.3.0	Success	5,013
Apr 13, 2026 17:18	Oleg Skinderev	CPPg++13.3.0	Success	5,006
Apr 13, 2026 17:17	Oleg Skinderev	CPPg++13.3.0	Success	5,049
Apr 13, 2026 17:16	Oleg Skinderev	CPPg++13.3.0	Success	4,989+4.81 RP
Apr 13, 2026 17:16	Oleg Skinderev	CPPclang++18.1.3	Success	5,193
Apr 13, 2026 17:12	Oleg Skinderev	CPPg++13.3.0	Success	5,001+6.77 RP
Apr 13, 2026 17:11	Oleg Skinderev	CPPg++13.3.0	Success	5,018+8.31 RP
Apr 13, 2026 17:10	Oleg Skinderev	CPPg++13.3.0	Success	5,649
Apr 13, 2026 17:05	Oleg Skinderev	CPPg++13.3.0	Success	5,039+44.28 RP
Apr 13, 2026 17:04	Oleg Skinderev	CPPg++13.3.0	Success	5,154+4.88 RP
Apr 13, 2026 17:03	Oleg Skinderev	CPPg++13.3.0	Success	5,167+1.12 RP
Apr 13, 2026 17:01	Oleg Skinderev	CPPg++13.3.0	Success	5,322
Apr 13, 2026 16:58	Oleg Skinderev	CPPg++13.3.0	Success	5,180
Apr 13, 2026 16:57	Oleg Skinderev	CPPg++13.3.0	Success	5,188
Apr 13, 2026 16:57	Oleg Skinderev	CPPg++13.3.0	Success	5,194
Apr 13, 2026 16:57	Oleg Skinderev	CPPg++13.3.0	Success	5,170+59.12 RP
Apr 13, 2026 16:53	Oleg Skinderev	CPPclang++18.1.3	Success	5,411
Apr 13, 2026 16:42	Oleg Skinderev	CPPg++13.3.0	Success	5,353
Apr 13, 2026 16:41	Oleg Skinderev	CPPg++13.3.0	Success	5,356
Apr 13, 2026 16:41	Oleg Skinderev	CPPg++13.3.0	Success	5,359
Apr 13, 2026 16:41	Oleg Skinderev	CPPg++13.3.0	Success	5,391
Apr 13, 2026 16:38	Oleg Skinderev	CPPg++13.3.0	Success	5,580
Apr 13, 2026 16:37	Oleg Skinderev	CPPg++13.3.0	Success	6,105
Apr 13, 2026 16:37	Oleg Skinderev	CPPg++13.3.0	Success	6,016
Apr 13, 2026 16:36	Oleg Skinderev	CPPg++13.3.0	Success	5,588
Apr 13, 2026 16:33	Oleg Skinderev	CPPg++13.3.0	Success	5,363
Apr 13, 2026 16:32	Oleg Skinderev	CPPg++13.3.0	Success	5,459
Apr 13, 2026 16:32	Oleg Skinderev	CPPg++13.3.0	Success	5,368
Apr 13, 2026 16:31	Oleg Skinderev	CPPg++13.3.0	Success	5,702
Apr 13, 2026 16:30	Oleg Skinderev	CPPg++13.3.0	Success	5,347
Apr 13, 2026 16:29	Oleg Skinderev	CPPg++13.3.0	Success	5,351
Apr 13, 2026 14:48	Oleg Skinderev	CPPg++13.3.0	Success	5,335
Apr 13, 2026 14:47	Oleg Skinderev	CPPg++13.3.0	Success	5,340
Apr 13, 2026 14:47	Oleg Skinderev	CPPg++13.3.0	Success	5,348
Apr 13, 2026 14:46	Oleg Skinderev	CPPg++13.3.0	Success	5,338
Apr 13, 2026 14:45	Oleg Skinderev	CPPg++13.3.0	Success	5,367
Apr 13, 2026 14:44	Oleg Skinderev	CPPg++13.3.0	Success	5,338
Apr 13, 2026 14:43	Oleg Skinderev	CPPg++13.3.0	Success	5,347
Apr 13, 2026 14:42	Oleg Skinderev	CPPg++13.3.0	Success	5,360
Apr 13, 2026 14:42	Oleg Skinderev	CPPg++13.3.0	Error
Apr 13, 2026 14:40	Oleg Skinderev	CPPg++13.3.0	Success	5,338
Apr 13, 2026 14:40	Oleg Skinderev	CPPg++13.3.0	Success	5,355
Apr 13, 2026 14:39	Oleg Skinderev	CPPg++13.3.0	Success	5,359
Apr 13, 2026 14:39	Oleg Skinderev	CPPg++13.3.0	Success	5,358
Apr 13, 2026 14:38	Oleg Skinderev	CPPg++13.3.0	Success	5,585
Apr 13, 2026 14:38	Oleg Skinderev	CPPg++13.3.0	Success	5,389
Apr 13, 2026 14:38	Oleg Skinderev	CPPg++13.3.0	Success	5,366
Apr 13, 2026 14:30	Oleg Skinderev	CPPg++13.3.0	Success	5,347
Apr 13, 2026 14:30	Oleg Skinderev	CPPclang++18.1.3	Success	5,428
Apr 13, 2026 14:26	Oleg Skinderev	CPPg++13.3.0	Success	5,333+5.26 RP
Apr 13, 2026 14:24	Oleg Skinderev	CPPg++13.3.0	Success	6,003
Apr 13, 2026 14:23	Oleg Skinderev	CPPg++13.3.0	Error

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