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 21, 2025 04:53	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,474
Dec 21, 2025 04:52	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,639
Dec 21, 2025 04:52	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,485
Dec 21, 2025 04:48	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,518
Dec 21, 2025 04:44	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,548
Dec 21, 2025 04:42	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 04:41	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,469
Dec 21, 2025 04:41	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,472
Dec 21, 2025 04:41	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,481
Dec 21, 2025 04:40	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,538
Dec 21, 2025 04:39	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,643
Dec 21, 2025 04:39	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,587
Dec 21, 2025 04:38	Ahmed Mhedhbi	CPPg++13.3.0	Success	5,631
Dec 21, 2025 04:38	Ahmed Mhedhbi	CPPg++13.3.0	Success	5,465
Dec 21, 2025 04:38	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,765
Dec 21, 2025 04:36	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 04:29	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,649
Dec 21, 2025 04:25	Ahmed Mhedhbi	CPPg++13.3.0	Success	5,184
Dec 21, 2025 04:24	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 04:21	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,549
Dec 21, 2025 04:20	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,490
Dec 21, 2025 04:20	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,606
Dec 21, 2025 04:19	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,529
Dec 21, 2025 04:17	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,484
Dec 21, 2025 04:16	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,468+7.99 RP
Dec 21, 2025 04:10	Ahmed Mhedhbi	CPPg++13.3.0	Success	5,160
Dec 21, 2025 03:57	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,549
Dec 21, 2025 03:56	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,522
Dec 21, 2025 03:56	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,658
Dec 21, 2025 03:56	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,512
Dec 21, 2025 03:54	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,500
Dec 21, 2025 03:53	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,512
Dec 21, 2025 03:53	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,518
Dec 21, 2025 03:53	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,588
Dec 21, 2025 03:53	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,592
Dec 21, 2025 03:52	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,513
Dec 21, 2025 03:52	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,510
Dec 21, 2025 03:51	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,647
Dec 21, 2025 03:48	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,500
Dec 21, 2025 03:48	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,497
Dec 21, 2025 03:45	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,682
Dec 21, 2025 03:43	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,534
Dec 21, 2025 03:42	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,651
Dec 21, 2025 03:42	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,646
Dec 21, 2025 03:41	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,507
Dec 21, 2025 03:34	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,497
Dec 21, 2025 03:33	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,493
Dec 21, 2025 03:30	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 03:21	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,648
Dec 21, 2025 03:21	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,649
Dec 21, 2025 03:16	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,662
Dec 21, 2025 03:12	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,510
Dec 21, 2025 03:07	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,674
Dec 21, 2025 03:05	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,660
Dec 21, 2025 03:02	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,484+346.20 RP
Dec 21, 2025 02:59	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 00:34	jhallgreen	RUSTrust-1.92.0	Success	4,548
Dec 21, 2025 00:33	jhallgreen	RUSTrust-1.92.0	Success	4,560
Dec 21, 2025 00:26	jhallgreen	RUSTrust-1.92.0	Success	4,538
Dec 21, 2025 00:23	jhallgreen	RUSTrust-1.92.0	Success	4,547
Dec 20, 2025 23:58	jhallgreen	RUSTrust-1.92.0	Success	4,530+6.32 RP
Dec 20, 2025 23:57	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 23:50	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 23:50	jhallgreen	CPPg++13.3.0	Success	4,582
Dec 20, 2025 23:41	jhallgreen	CPPg++13.3.0	Success	4,498
Dec 20, 2025 23:40	jhallgreen	CPPg++13.3.0	Success	4,499
Dec 20, 2025 23:39	jhallgreen	CPPg++13.3.0	Success	4,497
Dec 20, 2025 23:38	jhallgreen	CPPg++13.3.0	Success	4,487+6.93 RP
Dec 20, 2025 23:38	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 23:37	jhallgreen	CPPg++13.3.0	Success	4,501+327.07 RP
Dec 20, 2025 23:34	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 23:33	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 23:33	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 23:32	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 23:31	jhallgreen	CPPg++13.3.0	Success	5,469
Dec 20, 2025 23:27	jhallgreen	CPPg++13.3.0	Success	5,497
Dec 20, 2025 23:26	jhallgreen	CPPg++13.3.0	Success	5,291
Dec 20, 2025 23:26	jhallgreen	CPPg++13.3.0	Success	5,305
Dec 20, 2025 23:25	jhallgreen	CPPg++13.3.0	Success	5,286
Dec 20, 2025 23:23	jhallgreen	CPPg++13.3.0	Success	5,321
Dec 20, 2025 22:45	jhallgreen	CPPg++13.3.0	Success	5,417
Dec 20, 2025 22:44	jhallgreen	CPPg++13.3.0	Success	5,419
Dec 20, 2025 22:38	jhallgreen	CPPg++13.3.0	Success	5,505
Dec 20, 2025 22:38	jhallgreen	CPPg++13.3.0	Success	5,328
Dec 20, 2025 22:35	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 22:35	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 22:33	jhallgreen	CPPg++13.3.0	Success	5,279
Dec 20, 2025 22:33	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 22:21	jhallgreen	CPPg++13.3.0	Success	10,761
Dec 20, 2025 22:21	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 22:19	jhallgreen	CPPg++13.3.0	Success	5,418
Dec 20, 2025 22:18	jhallgreen	CPPg++13.3.0	Success	11,023
Dec 20, 2025 22:17	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 22:16	jhallgreen	CPPg++13.3.0	Success	191,564
Dec 20, 2025 22:16	jhallgreen	CPPg++13.3.0	Success	5,531
Dec 20, 2025 22:14	jhallgreen	CPPg++13.3.0	Success	5,585
Dec 20, 2025 22:13	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 22:12	jhallgreen	CPPg++13.3.0	Success	5,482
Dec 20, 2025 22:11	jhallgreen	CPPg++13.3.0	Error
Dec 20, 2025 22:09	jhallgreen	CPPg++13.3.0	Success	5,721

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