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
Dec 29, 2025 21:12	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 21:10	Mark R Best	RUSTrust-1.92.0	Success	5,533
Dec 29, 2025 21:09	Mark R Best	RUSTrust-1.92.0	Success	5,588
Dec 29, 2025 21:06	Mark R Best	RUSTrust-1.92.0	Success	5,581
Dec 29, 2025 21:04	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 21:03	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 21:03	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 21:02	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 21:00	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 20:59	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 20:54	Mark R Best	RUSTrust-1.92.0	Success	5,584
Dec 29, 2025 20:51	Mark R Best	RUSTrust-1.92.0	Success	5,579
Dec 29, 2025 20:51	Mark R Best	RUSTrust-1.92.0	Success	5,581
Dec 29, 2025 20:50	Mark R Best	RUSTrust-1.92.0	Success	5,579
Dec 29, 2025 20:50	Mark R Best	RUSTrust-1.92.0	Success	5,580
Dec 29, 2025 20:50	Mark R Best	RUSTrust-1.92.0	Success	5,584
Dec 29, 2025 20:49	Mark R Best	RUSTrust-1.92.0	Success	5,575
Dec 29, 2025 20:48	Mark R Best	RUSTrust-1.92.0	Success	5,791
Dec 29, 2025 20:47	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 20:46	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 20:39	zielaj	CPPclang++18.1.3	Success	4,132
Dec 29, 2025 20:39	Mark R Best	RUSTrust-1.92.0	Success	5,590
Dec 29, 2025 20:38	zielaj	CPPclang++18.1.3	Success	4,130
Dec 29, 2025 20:38	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 20:37	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 20:37	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 20:34	Mark R Best	RUSTrust-1.92.0	Success	5,589
Dec 29, 2025 20:30	Mark R Best	RUSTrust-1.92.0	Success	5,532+17.15 RP
Dec 29, 2025 20:27	Mark R Best	RUSTrust-1.92.0	Success	5,585
Dec 29, 2025 20:25	Mark R Best	RUSTrust-1.92.0	Success	5,585+0.64 RP
Dec 29, 2025 20:23	Mark R Best	RUSTrust-1.92.0	Success	5,587+873.11 RP
Dec 29, 2025 20:12	Mark R Best	RUSTrust-1.92.0	Success	12,915
Dec 29, 2025 16:11	Mark R Best	RUSTrust-1.92.0	Recalculating
Dec 29, 2025 16:11	Mark R Best	RUSTrust-1.92.0	Recalculating
Dec 29, 2025 16:06	Mark R Best	RUSTrust-1.92.0	Success	13,082
Dec 29, 2025 16:05	Mark R Best	RUSTrust-1.92.0	Success	14,034
Dec 29, 2025 16:03	Mark R Best	RUSTrust-1.92.0	Success	13,213
Dec 29, 2025 15:36	Mark R Best	RUSTrust-1.92.0	Success	57,311
Dec 29, 2025 15:34	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 15:28	Mark R Best	RUSTrust-1.92.0	Success	10,989
Dec 29, 2025 15:27	Mark R Best	RUSTrust-1.92.0	Success	10,908+3.85 RP
Dec 29, 2025 15:26	Mark R Best	RUSTrust-1.92.0	Success	11,218
Dec 29, 2025 15:23	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 15:22	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 15:22	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 15:20	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 15:10	Hattonuri	CPPclang++18.1.3	Success	4,596
Dec 29, 2025 15:08	Hattonuri	CPPclang++18.1.3	Success	4,566
Dec 29, 2025 15:06	Hattonuri	CPPclang++18.1.3	Success	4,874
Dec 29, 2025 15:06	Hattonuri	CPPclang++18.1.3	Success	4,788
Dec 29, 2025 15:05	Hattonuri	CPPclang++18.1.3	Success	4,540
Dec 29, 2025 15:05	Hattonuri	CPPclang++18.1.3	Success	4,506
Dec 29, 2025 15:05	Hattonuri	CPPclang++18.1.3	Success	4,516
Dec 29, 2025 15:04	Hattonuri	CPPclang++18.1.3	Success	4,535
Dec 29, 2025 14:46	Mark R Best	RUSTrust-1.92.0	Success	19,544
Dec 29, 2025 14:45	Mark R Best	RUSTrust-1.92.0	Success	11,041
Dec 29, 2025 14:44	Mark R Best	RUSTrust-1.92.0	Success	11,091
Dec 29, 2025 14:44	Mark R Best	RUSTrust-1.92.0	Success	11,687
Dec 29, 2025 14:44	Mark R Best	RUSTrust-1.92.0	Success	11,818
Dec 29, 2025 14:43	Mark R Best	RUSTrust-1.92.0	Success	11,734
Dec 29, 2025 14:41	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 14:36	Mark R Best	RUSTrust-1.92.0	Success	10,963
Dec 29, 2025 14:33	Mark R Best	RUSTrust-1.92.0	Success	11,103
Dec 29, 2025 14:32	Mark R Best	RUSTrust-1.92.0	Success	10,954+2.58 RP
Dec 29, 2025 14:29	Hattonuri	CPPclang++18.1.3	Success	4,428
Dec 29, 2025 14:26	Hattonuri	CPPclang++18.1.3	Success	4,447
Dec 29, 2025 14:22	Hattonuri	CPPclang++18.1.3	Success	4,451
Dec 29, 2025 14:19	Hattonuri	CPPclang++18.1.3	Success	4,447
Dec 29, 2025 14:18	Hattonuri	CPPclang++18.1.3	Success	4,442
Dec 29, 2025 14:17	Hattonuri	CPPclang++18.1.3	Success	5,010
Dec 29, 2025 14:17	Hattonuri	CPPclang++18.1.3	Success	4,527
Dec 29, 2025 14:08	Hattonuri	CPPclang++18.1.3	Success	4,708
Dec 29, 2025 14:06	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 14:06	Mark R Best	RUSTrust-1.92.0	Success	11,470
Dec 29, 2025 14:06	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 14:05	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 14:05	Hattonuri	CPPclang++18.1.3	Success	4,431
Dec 29, 2025 14:05	Hattonuri	CPPclang++18.1.3	Success	4,426
Dec 29, 2025 14:04	Hattonuri	CPPclang++18.1.3	Success	4,423
Dec 29, 2025 14:03	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 14:03	Mark R Best	RUSTrust-1.92.0	Success	14,985
Dec 29, 2025 14:02	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 14:02	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 14:02	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 14:01	Hattonuri	CPPclang++18.1.3	Success	4,689
Dec 29, 2025 14:01	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 14:01	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 14:01	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 14:00	Hattonuri	CPPclang++18.1.3	Success	4,424
Dec 29, 2025 14:00	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 14:00	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 13:59	Hattonuri	CPPclang++18.1.3	Success	4,423
Dec 29, 2025 13:59	Hattonuri	CPPclang++18.1.3	Success	4,420
Dec 29, 2025 13:59	Hattonuri	CPPclang++18.1.3	Success	4,426
Dec 29, 2025 13:58	Hattonuri	CPPclang++18.1.3	Success	4,437
Dec 29, 2025 13:57	Mark R Best	RUSTrust-1.92.0	Success	12,915
Dec 29, 2025 13:57	Mark R Best	RUSTrust-1.92.0	Success	12,927
Dec 29, 2025 13:56	Mark R Best	RUSTrust-1.92.0	Success	12,761
Dec 29, 2025 13:52	Mark R Best	RUSTrust-1.92.0	Success	11,051
Dec 29, 2025 13:52	Mark R Best	RUSTrust-1.92.0	Success	40,512

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