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
Sep 29, 2025 16:03	sheryllynn24	CPPg++13.3.0	Success	5,668
Sep 29, 2025 16:00	sheryllynn24	CPPg++13.3.0	Success	5,593
Sep 29, 2025 15:59	sheryllynn24	CPPg++13.3.0	Success	5,590
Sep 29, 2025 15:56	sheryllynn24	CPPg++13.3.0	Success	5,585+1'787.15 RP
Sep 29, 2025 14:44	sheryllynn24	CPPg++13.3.0	Success	2,973,553+0.01 RP
Sep 29, 2025 14:43	sheryllynn24	CPPg++13.3.0	Success	2,985,570+3.35 RP
Sep 28, 2025 10:52	Tejas G.	CPPg++13.3.0	Success	4,481+2.98 RP
Sep 28, 2025 10:52	Tejas G.	CPPclang++18.1.3	Success	4,491
Sep 28, 2025 10:52	Tejas G.	CPPclang++18.1.3	Success	4,487+94.64 RP
Sep 28, 2025 10:50	Tejas G.	CPPclang++18.1.3	Success	4,688
Sep 28, 2025 10:50	Tejas G.	CPPg++13.3.0	Success	4,686+391.86 RP
Sep 27, 2025 08:32	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 22:55	Daniel Mastalerz	CPPg++13.3.0	Success	5,599
Sep 26, 2025 22:54	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 22:47	Daniel Mastalerz	CPPg++13.3.0	Success	15,072
Sep 26, 2025 22:41	Daniel Mastalerz	CPPg++13.3.0	Success	5,588
Sep 26, 2025 22:39	Daniel Mastalerz	CPPg++13.3.0	Success	11,462
Sep 26, 2025 22:27	Daniel Mastalerz	CPPg++13.3.0	Success	5,538
Sep 26, 2025 22:24	Daniel Mastalerz	CPPg++13.3.0	Success	5,582
Sep 26, 2025 22:22	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 22:09	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 19:17	Mikołaj Uzarski	CPPg++13.3.0	Success	5,326+86.11 RP
Sep 26, 2025 19:12	Mikołaj Uzarski	CPPg++13.3.0	Success	5,582+1.60 RP
Sep 26, 2025 19:10	Mikołaj Uzarski	CPPg++13.3.0	Success	5,587+22.15 RP
Sep 26, 2025 19:10	Daniel Mastalerz	CPPg++13.3.0	Success	5,899
Sep 26, 2025 19:09	Daniel Mastalerz	CPPg++13.3.0	Success	5,899
Sep 26, 2025 19:07	Mikołaj Uzarski	CPPg++13.3.0	Success	5,657
Sep 26, 2025 18:50	Daniel Mastalerz	CPPg++13.3.0	Success	5,631
Sep 26, 2025 18:47	Daniel Mastalerz	CPPg++13.3.0	Success	5,645
Sep 26, 2025 18:44	Daniel Mastalerz	CPPg++13.3.0	Success	6,533
Sep 26, 2025 18:41	Daniel Mastalerz	CPPg++13.3.0	Success	5,765
Sep 26, 2025 18:33	Daniel Mastalerz	CPPg++13.3.0	Success	5,649
Sep 26, 2025 18:13	Daniel Mastalerz	CPPg++13.3.0	Success	5,535+51.37 RP
Sep 26, 2025 18:07	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 26, 2025 18:04	Daniel Mastalerz	CPPg++13.3.0	Success	5,701
Sep 26, 2025 18:03	Daniel Mastalerz	CPPg++13.3.0	Success	37,736
Sep 26, 2025 17:54	Daniel Mastalerz	CPPg++13.3.0	Success	15,993
Sep 26, 2025 15:28	Daniel Mastalerz	CPPg++13.3.0	Error
Sep 25, 2025 23:50	Mikołaj Uzarski	CPPg++13.3.0	Success	5,657+4.99 RP
Sep 25, 2025 23:37	Mikołaj Uzarski	CPPg++13.3.0	Success	5,673+0.93 RP
Sep 25, 2025 23:31	Mikołaj Uzarski	CPPg++13.3.0	Success	5,676+14.47 RP
Sep 25, 2025 23:29	Mikołaj Uzarski	CPPg++13.3.0	Success	5,723+17.53 RP
Sep 25, 2025 23:18	Mikołaj Uzarski	CPPg++13.3.0	Success	5,781+527.45 RP
Sep 25, 2025 21:44	Daniel Mastalerz	CPPg++13.3.0	Success	5,697+1'755.31 RP
Sep 25, 2025 12:46	Mikołaj Uzarski	CPPg++13.3.0	Success	8,345
Sep 25, 2025 12:07	Mikołaj Uzarski	CPPg++13.3.0	Success	8,394
Sep 25, 2025 12:06	Mikołaj Uzarski	CPPg++13.3.0	Success	8,319
Sep 25, 2025 11:48	Mikołaj Uzarski	CPPg++13.3.0	Error
Sep 25, 2025 11:38	Mikołaj Uzarski	CPPg++13.3.0	Error
Sep 25, 2025 11:37	Mikołaj Uzarski	CPPg++13.3.0	Error
Sep 25, 2025 11:37	Mikołaj Uzarski	CPPg++13.3.0	Error
Sep 25, 2025 11:24	Mikołaj Uzarski	CPPg++13.3.0	Error
Sep 25, 2025 11:09	Mikołaj Uzarski	CPPg++13.3.0	Success	12,705
Sep 25, 2025 11:08	Mikołaj Uzarski	CPPg++13.3.0	Success	8,317+401.84 RP
Sep 25, 2025 10:37	Mikołaj Uzarski	CPPg++13.3.0	Success	12,492+423.24 RP
Sep 25, 2025 09:43	Mikołaj Uzarski	CPPg++13.3.0	Success	26,508
Sep 25, 2025 09:38	Mikołaj Uzarski	CPPg++13.3.0	Success	26,506+0.01 RP
Sep 25, 2025 09:34	Mikołaj Uzarski	CPPg++13.3.0	Success	26,535
Sep 25, 2025 09:27	Mikołaj Uzarski	CPPg++13.3.0	Error
Sep 25, 2025 07:40	Mikołaj Uzarski	CPPg++13.3.0	Error
Sep 25, 2025 07:36	Mikołaj Uzarski	CPPg++13.3.0	Success	27,180
Sep 25, 2025 07:23	Mikołaj Uzarski	CPPg++13.3.0	Success	26,507+377.26 RP
Sep 25, 2025 00:20	Ricardo	CSHARP10.0.0-preview.1	Error
Sep 22, 2025 15:47	Tejas G.	CPPg++13.3.0	Success	5,742
Sep 21, 2025 08:50	Tejas G.	CPPclang++18.1.3	Success	5,802
Sep 21, 2025 08:48	Tejas G.	CPPclang++18.1.3	Success	5,787
Sep 21, 2025 08:48	Tejas G.	CPPg++13.3.0	Success	5,757
Sep 21, 2025 08:47	Tejas G.	CPPg++13.3.0	Success	5,744
Sep 21, 2025 08:44	Tejas G.	CPPg++13.3.0	Success	5,740+46.96 RP
Sep 9, 2025 16:17	korsajan	GOgo1.25.1	Success	57,121
Sep 9, 2025 16:14	korsajan	GOgo1.25.1	Success	66,216
Sep 9, 2025 16:12	korsajan	GOgo1.25.1	Success	36,512+4.99 RP
Sep 9, 2025 16:11	korsajan	GOgo1.25.1	Success	63,903
Sep 9, 2025 16:09	korsajan	GOgo1.25.1	Success	39,756
Sep 9, 2025 16:06	korsajan	GOgo1.25.1	Success	42,757
Sep 9, 2025 15:51	korsajan	GOgo1.25.1	Success	37,189+101.12 RP
Sep 9, 2025 15:43	korsajan	GOgo1.25.1	Success	59,603+16.25 RP
Sep 9, 2025 15:11	korsajan	GOgo1.25.1	Success	65,993+22.32 RP
Sep 9, 2025 15:04	korsajan	GOgo1.25.1	Success	77,393+1.67 RP
Sep 9, 2025 14:41	korsajan	GOgo1.25.1	Success	78,404+127.54 RP
Aug 26, 2025 11:06	Oleg Kovalov	GOgo1.25.0	Success	5,950
Aug 24, 2025 16:47	0x91C	CPPg++13.3.0	Success	43,686+61.31 RP
Aug 24, 2025 14:44	0x91C	CPPg++13.3.0	Success	59,667+159.18 RP
Aug 24, 2025 14:02	0x91C	CPPg++13.3.0	Success	1,188,005+5.08 RP
Aug 24, 2025 09:46	AnSa	CPPclang++18.1.3	Success	4,652
Aug 24, 2025 09:43	AnSa	CPPclang++18.1.3	Success	4,669
Aug 24, 2025 09:36	AnSa	CPPclang++18.1.3	Success	4,659
Aug 24, 2025 09:36	AnSa	CPPclang++18.1.3	Success	4,649
Aug 23, 2025 18:30	0x91C	CPPg++13.3.0	Success	3,004,260
Aug 23, 2025 17:13	0x91C	CPPg++13.3.0	Success	2,993,795+3.34 RP
Aug 23, 2025 09:25	Adam Folwarczny	CPPg++13.3.0	Success	23,633
Aug 23, 2025 09:22	Adam Folwarczny	CPPg++13.3.0	Success	5,682
Aug 23, 2025 09:19	Adam Folwarczny	CPPg++13.3.0	Error
Aug 23, 2025 09:16	Adam Folwarczny	CPPg++13.3.0	Success	22,445
Aug 23, 2025 09:15	Adam Folwarczny	CPPg++13.3.0	Success	11,229
Aug 23, 2025 09:14	Adam Folwarczny	CPPg++13.3.0	Success	11,292
Aug 16, 2025 21:59	Leon Zhao	CPPg++13.3.0	Success	6,464
Aug 16, 2025 21:52	Leon Zhao	CPPg++13.3.0	Success	4,541+6.77 RP
Aug 16, 2025 21:51	Leon Zhao	CPPg++13.3.0	Success	4,680
Aug 16, 2025 21:40	Leon Zhao	CPPg++13.3.0	Success	4,555+20.53 RP

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