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 13:51	Mark R Best	RUSTrust-1.90.0	Success	40,313
Dec 29, 2025 13:49	Mark R Best	RUSTrust-1.92.0	Success	12,443
Dec 29, 2025 13:49	Mark R Best	RUSTrust-1.92.0	Success	11,523
Dec 29, 2025 13:49	Mark R Best	RUSTrust-1.92.0	Success	13,178
Dec 29, 2025 13:49	Mark R Best	RUSTrust-1.92.0	Success	12,008
Dec 29, 2025 13:48	Mark R Best	RUSTrust-1.92.0	Success	11,756
Dec 29, 2025 13:48	Mark R Best	RUSTrust-1.92.0	Success	11,051
Dec 29, 2025 13:46	Mark R Best	RUSTrust-1.92.0	Success	11,061
Dec 29, 2025 13:44	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:43	Mark R Best	RUSTrust-1.92.0	Success	10,985+156.18 RP
Dec 29, 2025 13:31	Mark R Best	CPPg++13.3.0	Success	2,973,308
Dec 29, 2025 13:30	Hattonuri	CPPclang++18.1.3	Success	4,424
Dec 29, 2025 13:29	Mark R Best	RUSTrust-1.92.0	Success	13,260+0.68 RP
Dec 29, 2025 13:28	Hattonuri	CPPclang++18.1.3	Success	4,454
Dec 29, 2025 13:27	Hattonuri	CPPclang++18.1.3	Success	4,686
Dec 29, 2025 13:24	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:20	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:18	Mark R Best	RUSTrust-1.92.0	Success	13,272+0.06 RP
Dec 29, 2025 13:18	Mark R Best	RUSTrust-1.92.0	Success	14,948
Dec 29, 2025 13:18	Mark R Best	RUSTrust-1.92.0	Success	18,935
Dec 29, 2025 13:18	Mark R Best	RUSTrust-1.92.0	Success	18,851
Dec 29, 2025 13:17	Mark R Best	RUSTrust-1.92.0	Success	13,783
Dec 29, 2025 13:16	Mark R Best	RUSTrust-1.92.0	Success	14,016
Dec 29, 2025 13:14	Mark R Best	RUSTrust-1.92.0	Success	13,273+753.41 RP
Dec 29, 2025 13:12	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:09	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:09	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:09	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:09	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:08	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:07	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:03	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 13:02	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 12:54	Mark R Best	RUSTrust-1.92.0	Error
Dec 29, 2025 04:07	Hattonuri	CPPclang++18.1.3	Error
Dec 29, 2025 04:07	Hattonuri	CPPclang++18.1.3	Success	4,506
Dec 29, 2025 04:04	Hattonuri	CPPclang++18.1.3	Success	4,563
Dec 29, 2025 04:01	Hattonuri	CPPclang++18.1.3	Success	4,420+1.02 RP
Dec 29, 2025 04:01	Hattonuri	CPPclang++18.1.3	Success	4,497
Dec 29, 2025 03:59	Hattonuri	CPPclang++18.1.3	Success	4,490
Dec 29, 2025 03:56	Hattonuri	CPPclang++18.1.3	Success	4,424
Dec 29, 2025 03:55	Hattonuri	CPPclang++18.1.3	Success	4,425
Dec 29, 2025 03:49	Hattonuri	CPPclang++18.1.3	Success	4,520
Dec 29, 2025 03:40	Hattonuri	CPPclang++18.1.3	Success	4,422+2.55 RP
Dec 29, 2025 03:39	Josu San Martin	RUSTrust-1.92.0	Success	5,959
Dec 29, 2025 03:37	Hattonuri	CPPclang++18.1.3	Success	4,427+2.55 RP
Dec 29, 2025 03:37	Josu San Martin	RUSTrust-1.92.0	Success	5,482
Dec 29, 2025 03:34	Josu San Martin	RUSTrust-1.92.0	Success	5,931
Dec 29, 2025 03:33	Josu San Martin	RUSTrust-1.92.0	Success	5,896
Dec 29, 2025 03:33	Hattonuri	CPPclang++18.1.3	Success	4,992
Dec 29, 2025 03:32	Josu San Martin	RUSTrust-1.92.0	Success	5,891
Dec 29, 2025 03:31	Josu San Martin	RUSTrust-1.92.0	Success	6,249
Dec 29, 2025 03:30	Josu San Martin	RUSTrust-1.92.0	Success	5,922
Dec 29, 2025 03:30	Josu San Martin	RUSTrust-1.92.0	Success	6,275
Dec 29, 2025 03:30	Josu San Martin	RUSTrust-1.92.0	Success	5,649
Dec 29, 2025 03:27	Josu San Martin	RUSTrust-1.92.0	Success	5,897
Dec 29, 2025 03:25	Josu San Martin	RUSTrust-1.92.0	Success	6,059
Dec 29, 2025 03:24	Josu San Martin	RUSTrust-1.92.0	Success	6,025
Dec 29, 2025 03:24	Josu San Martin	RUSTrust-1.92.0	Success	5,928
Dec 29, 2025 03:23	Josu San Martin	RUSTrust-1.92.0	Success	6,251
Dec 29, 2025 03:23	Josu San Martin	RUSTrust-1.92.0	Success	5,893
Dec 29, 2025 03:18	Josu San Martin	RUSTrust-1.92.0	Success	6,059
Dec 29, 2025 03:18	Josu San Martin	RUSTrust-1.92.0	Success	6,939
Dec 29, 2025 03:16	Josu San Martin	RUSTrust-1.92.0	Success	5,913
Dec 29, 2025 03:16	Josu San Martin	RUSTrust-1.92.0	Success	5,597
Dec 29, 2025 03:14	Josu San Martin	RUSTrust-1.92.0	Success	6,299
Dec 29, 2025 03:14	Josu San Martin	RUSTrust-1.92.0	Success	6,201
Dec 29, 2025 03:14	Josu San Martin	RUSTrust-1.92.0	Success	6,014
Dec 29, 2025 03:13	Hattonuri	CPPclang++18.1.3	Success	4,432+11.14 RP
Dec 29, 2025 03:13	Josu San Martin	RUSTrust-1.92.0	Success	5,897
Dec 29, 2025 03:13	Josu San Martin	RUSTrust-1.92.0	Success	6,255
Dec 29, 2025 03:13	Josu San Martin	RUSTrust-1.92.0	Success	11,721
Dec 29, 2025 03:13	Josu San Martin	RUSTrust-1.92.0	Success	5,910
Dec 29, 2025 03:10	Josu San Martin	RUSTrust-1.92.0	Success	6,304
Dec 29, 2025 03:10	Josu San Martin	RUSTrust-1.92.0	Success	5,888
Dec 29, 2025 03:07	Hattonuri	CPPclang++18.1.3	Success	4,516
Dec 29, 2025 03:04	Hattonuri	CPPg++13.3.0	Success	4,651
Dec 29, 2025 02:51	Hattonuri	CPPg++13.3.0	Success	4,549
Dec 29, 2025 02:49	Hattonuri	CPPg++13.3.0	Success	4,512
Dec 29, 2025 02:43	Hattonuri	CPPg++13.3.0	Success	4,454
Dec 29, 2025 02:42	Hattonuri	CPPg++13.3.0	Success	4,469
Dec 29, 2025 02:39	Hattonuri	CPPg++13.3.0	Success	4,454+6.03 RP
Dec 29, 2025 02:38	Hattonuri	CPPg++13.3.0	Success	4,655
Dec 29, 2025 02:33	Hattonuri	CPPg++13.3.0	Success	4,996
Dec 29, 2025 02:28	Hattonuri	CPPg++13.3.0	Success	4,466+8.49 RP
Dec 29, 2025 02:25	Hattonuri	CPPg++13.3.0	Success	4,490
Dec 29, 2025 02:24	Hattonuri	CPPg++13.3.0	Success	4,495
Dec 29, 2025 02:23	Hattonuri	CPPg++13.3.0	Success	4,483+1.49 RP
Dec 29, 2025 02:23	Hattonuri	CPPg++13.3.0	Success	4,756
Dec 29, 2025 02:21	Josu San Martin	RUSTrust-1.92.0	Success	5,897
Dec 29, 2025 02:19	Hattonuri	CPPg++13.3.0	Success	4,752
Dec 29, 2025 02:15	Josu San Martin	RUSTrust-1.92.0	Success	81,118
Dec 29, 2025 02:15	Hattonuri	CPPg++13.3.0	Success	4,493
Dec 29, 2025 02:14	Josu San Martin	CPPg++13.3.0	Error
Dec 29, 2025 02:13	Josu San Martin	RUSTrust-1.92.0	Success	5,453
Dec 29, 2025 02:13	Hattonuri	CPPg++13.3.0	Success	4,486+0.99 RP
Dec 29, 2025 02:12	Josu San Martin	RUSTrust-1.92.0	Success	5,903
Dec 29, 2025 02:11	Josu San Martin	RUSTrust-1.92.0	Success	5,899
Dec 29, 2025 02:09	Hattonuri	CPPclang++18.1.3	Success	4,495
Dec 29, 2025 02:09	Josu San Martin	RUSTrust-1.92.0	Success	6,303

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