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 25, 2026 03:34	Kevin Heavey	CPPg++13.3.0	Success	4,134+5.84 RP
Jul 25, 2026 03:33	Kevin Heavey	CPPg++13.3.0	Success	4,144+1.16 RP
Jul 25, 2026 03:33	Kevin Heavey	CPPg++13.3.0	Success	4,173
Jul 25, 2026 03:32	Kevin Heavey	CPPg++13.3.0	Success	4,151
Jul 25, 2026 03:32	Kevin Heavey	CPPg++13.3.0	Success	4,146+2.32 RP
Jul 25, 2026 03:31	Kevin Heavey	CPPg++13.3.0	Success	4,151
Jul 25, 2026 03:31	Kevin Heavey	CPPg++13.3.0	Success	4,161
Jul 25, 2026 03:30	Kevin Heavey	CPPg++13.3.0	Success	4,150+3.48 RP
Jul 25, 2026 03:29	Kevin Heavey	CPPg++13.3.0	Success	4,217
Jul 25, 2026 03:29	Kevin Heavey	CPPg++13.3.0	Success	4,156+22.37 RP
Jul 25, 2026 03:28	Kevin Heavey	CPPg++13.3.0	Success	4,253
Jul 25, 2026 03:28	Kevin Heavey	CPPg++13.3.0	Success	4,195+47.89 RP
Jul 25, 2026 03:16	Kevin Heavey	CPPg++13.3.0	Success	6,120
Jul 25, 2026 03:12	Kevin Heavey	CPPg++13.3.0	Success	5,381
Jul 25, 2026 02:47	Kevin Heavey	CPPg++13.3.0	Error
Jul 25, 2026 02:46	Kevin Heavey	CPPg++13.3.0	Error
Jul 25, 2026 01:43	Kevin Heavey	CPPg++13.3.0	Success	4,720
Jul 25, 2026 01:40	Kevin Heavey	CPPg++13.3.0	Success	4,317
Jul 25, 2026 01:38	Kevin Heavey	CPPg++13.3.0	Success	4,313
Jul 25, 2026 01:35	Kevin Heavey	CPPg++13.3.0	Success	5,047
Jul 25, 2026 01:34	Kevin Heavey	CPPg++13.3.0	Success	4,291
Jul 25, 2026 01:31	Kevin Heavey	CPPg++13.3.0	Success	4,323
Jul 25, 2026 01:29	Kevin Heavey	CPPg++13.3.0	Success	4,295
Jul 25, 2026 01:27	Kevin Heavey	CPPg++13.3.0	Success	4,290
Jul 25, 2026 01:24	Kevin Heavey	CPPg++13.3.0	Success	4,281+13.02 RP
Jul 25, 2026 01:13	Kevin Heavey	CPPg++13.3.0	Success	4,392
Jul 25, 2026 01:12	Kevin Heavey	CPPg++13.3.0	Success	4,320
Jul 25, 2026 01:11	Kevin Heavey	CPPg++13.3.0	Success	4,310
Jul 25, 2026 01:11	Kevin Heavey	CPPg++13.3.0	Success	4,454
Jul 25, 2026 00:23	Kevin Heavey	CPPg++13.3.0	Success	4,305+111.96 RP
Jul 25, 2026 00:23	Kevin Heavey	CPPclang++20.1.2	Success	4,523+2'210.92 RP
Jul 21, 2026 19:42	JhnW	CPPg++14.2.0	Error
Jul 21, 2026 19:36	JhnW	CPPg++14.2.0	Success	5,018
Jul 21, 2026 19:32	JhnW	CPPg++14.2.0	Success	5,172
Jul 21, 2026 19:26	JhnW	CPPg++14.2.0	Success	5,477
Jul 21, 2026 19:16	JhnW	CPPg++14.2.0	Success	5,136
Jul 19, 2026 22:35	Sergey Serebryakov	CPPg++14.2.0	Success	4,089
Jul 19, 2026 22:33	Sergey Serebryakov	CPPclang++20.1.2	Success	4,250
Jul 19, 2026 22:33	Sergey Serebryakov	CPPg++10.5.0	Success	4,088
Jul 19, 2026 22:30	Sergey Serebryakov	CPPg++10.5.0	Success	4,088+153.66 RP
Jul 19, 2026 22:29	Sergey Serebryakov	CPPg++10.5.0	Success	4,596
Jul 19, 2026 22:20	Sergey Serebryakov	CPPg++14.2.0	Success	4,605
Jul 19, 2026 22:17	Sergey Serebryakov	CPPg++10.5.0	Success	4,592
Jul 15, 2026 21:07	Adam Folwarczny	CPPg++14.2.0	Success	3,986+5.00 RP
Jul 13, 2026 19:35	Victor Mercklé	CPPg++14.2.0	Success	4,119
Jul 13, 2026 19:30	Victor Mercklé	CPPg++14.2.0	Success	4,880
Jul 13, 2026 19:25	Victor Mercklé	CPPg++14.2.0	Success	5,068
Jul 13, 2026 19:20	Victor Mercklé	CPPg++14.2.0	Success	4,068
Jul 12, 2026 18:50	Ilya	CPPg++13.3.0	Success	4,232
Jul 12, 2026 18:49	Ilya	CPPg++13.3.0	Success	4,229
Jul 12, 2026 18:48	Ilya	CPPg++13.3.0	Success	7,855
Jul 12, 2026 18:48	Ilya	CPPg++13.3.0	Success	8,927
Jul 12, 2026 18:45	Ilya	CPPg++13.3.0	Success	4,217+1.69 RP
Jul 12, 2026 18:44	Ilya	CPPg++13.3.0	Success	7,827
Jul 12, 2026 18:44	Ilya	CPPg++13.3.0	Success	5,044
Jul 12, 2026 18:43	Ilya	CPPg++13.3.0	Success	5,370
Jul 12, 2026 18:41	Ilya	CPPg++13.3.0	Success	5,069
Jul 12, 2026 18:41	Ilya	CPPg++13.3.0	Success	5,070
Jul 12, 2026 18:40	Ilya	CPPg++13.3.0	Success	5,078
Jul 12, 2026 14:00	Ilya	CPPg++13.3.0	Success	4,245
Jul 12, 2026 13:59	Ilya	CPPg++13.3.0	Success	4,234
Jul 12, 2026 13:57	Ilya	CPPg++13.3.0	Success	4,225
Jul 11, 2026 23:05	Ilya	CPPg++13.3.0	Success	4,290
Jul 11, 2026 22:25	Ilya	CPPg++13.3.0	Error
Jul 10, 2026 18:54	Genos0	CPPg++10.5.0	Success	39,765+52.89 RP
Jul 10, 2026 18:22	Genos0	CPPg++13.3.0	Success	50,355+198.59 RP
Jul 9, 2026 16:36	Victor Mercklé	CPPg++14.2.0	Success	4,210
Jul 9, 2026 16:28	Victor Mercklé	CPPg++14.2.0	Success	4,067
Jul 9, 2026 16:15	Victor Mercklé	CPPg++14.2.0	Error
Jul 9, 2026 16:09	Victor Mercklé	CPPg++14.2.0	Success	4,061
Jul 9, 2026 15:54	Victor Mercklé	CPPg++14.2.0	Success	4,065
Jul 9, 2026 15:49	Victor Mercklé	CPPg++14.2.0	Error
Jul 9, 2026 15:39	Victor Mercklé	CPPg++14.2.0	Success	4,085
Jul 9, 2026 02:42	Victor Mercklé	CPPg++14.2.0	Success	4,335
Jul 9, 2026 02:32	Victor Mercklé	CPPg++14.2.0	Success	4,151
Jul 9, 2026 02:22	Victor Mercklé	CPPg++14.2.0	Success	4,139
Jul 9, 2026 02:10	Victor Mercklé	CPPg++14.2.0	Success	4,066
Jul 9, 2026 02:05	Victor Mercklé	CPPg++14.2.0	Success	4,069
Jul 9, 2026 02:00	Victor Mercklé	CPPg++14.2.0	Success	8,673
Jul 9, 2026 01:48	Victor Mercklé	CPPg++14.2.0	Success	4,170
Jul 8, 2026 20:41	Ilya	CPPg++13.3.0	Success	4,330
Jul 8, 2026 20:36	Ilya	CPPg++13.3.0	Error
Jul 8, 2026 20:32	Ilya	CPPg++13.3.0	Success	4,242
Jul 8, 2026 20:30	Ilya	CPPg++13.3.0	Success	4,245
Jul 8, 2026 20:26	Ilya	CPPg++13.3.0	Success	4,231
Jul 8, 2026 18:22	Ilya	CPPg++13.3.0	Success	4,327
Jul 8, 2026 18:20	Ilya	CPPg++13.3.0	Error
Jul 8, 2026 18:16	Ilya	CPPg++13.3.0	Success	4,340
Jul 8, 2026 18:13	Ilya	CPPg++13.3.0	Error
Jul 8, 2026 18:08	Ilya	CPPg++13.3.0	Success	4,348
Jul 8, 2026 17:56	Ilya	CPPg++13.3.0	Success	4,251
Jul 8, 2026 07:50	Victor Mercklé	CPPg++14.2.0	Success	4,081
Jul 8, 2026 07:45	Victor Mercklé	CPPg++14.2.0	Success	4,089
Jul 8, 2026 07:40	Victor Mercklé	CPPg++14.2.0	Success	4,066
Jul 8, 2026 07:33	Victor Mercklé	CPPg++14.2.0	Success	4,062
Jul 8, 2026 07:28	Victor Mercklé	CPPg++14.2.0	Success	4,190
Jul 8, 2026 07:14	Victor Mercklé	CPPg++14.2.0	Success	4,149
Jul 8, 2026 07:06	Victor Mercklé	CPPg++14.2.0	Success	4,280
Jul 7, 2026 22:21	Ilya	CPPg++13.3.0	Success	4,327
Jul 7, 2026 22:20	Ilya	CPPg++13.3.0	Success	4,273

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