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 17:15	jhallgreen	CPPg++13.3.0	Error
Dec 21, 2025 17:14	ndren	CPPg++13.2.0	Success	23,323
Dec 21, 2025 17:14	jhallgreen	CPPg++13.3.0	Success	5,132
Dec 21, 2025 17:10	jhallgreen	CPPg++13.3.0	Success	4,481+2.98 RP
Dec 21, 2025 17:09	jhallgreen	CPPg++13.3.0	Success	4,562
Dec 21, 2025 17:08	jhallgreen	CPPg++13.3.0	Success	4,561
Dec 21, 2025 17:08	jhallgreen	CPPg++13.3.0	Success	4,488
Dec 21, 2025 17:07	jhallgreen	CPPg++13.3.0	Success	4,487
Dec 21, 2025 17:07	jhallgreen	CPPg++13.3.0	Error
Dec 21, 2025 17:07	jhallgreen	CPPg++13.3.0	Error
Dec 21, 2025 17:06	jhallgreen	CPPg++13.3.0	Error
Dec 21, 2025 17:06	jhallgreen	CPPg++13.3.0	Error
Dec 21, 2025 16:58	jhallgreen	CPPg++13.3.0	Error
Dec 21, 2025 08:59	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,445
Dec 21, 2025 08:59	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,444
Dec 21, 2025 08:58	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,453
Dec 21, 2025 08:29	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,473
Dec 21, 2025 08:27	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,409
Dec 21, 2025 07:55	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,454
Dec 21, 2025 07:52	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,408
Dec 21, 2025 07:52	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,458
Dec 21, 2025 07:50	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,436
Dec 21, 2025 07:49	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,450
Dec 21, 2025 07:49	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,466
Dec 21, 2025 07:49	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,467
Dec 21, 2025 07:49	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,468
Dec 21, 2025 07:46	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,410
Dec 21, 2025 07:46	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,403
Dec 21, 2025 07:44	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,406
Dec 21, 2025 07:44	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,407
Dec 21, 2025 07:41	Ahmed Mhedhbi	CPPclang++18.1.3	Success	4,441
Dec 21, 2025 07:41	Ahmed Mhedhbi	CPPclang++18.1.3	Success	4,471
Dec 21, 2025 07:40	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,524
Dec 21, 2025 07:40	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,415
Dec 21, 2025 07:35	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,431
Dec 21, 2025 07:30	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,420
Dec 21, 2025 07:25	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,405
Dec 21, 2025 07:23	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,404
Dec 21, 2025 07:13	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,696
Dec 21, 2025 07:13	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,466
Dec 21, 2025 07:12	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,403+0.52 RP
Dec 21, 2025 06:51	Ahmed Mhedhbi	CPP	Success	4,418
Dec 21, 2025 06:50	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,413
Dec 21, 2025 06:21	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,576
Dec 21, 2025 06:20	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,416
Dec 21, 2025 06:20	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 06:16	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,404+3.09 RP
Dec 21, 2025 06:11	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,422
Dec 21, 2025 06:05	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,410+29.44 RP
Dec 21, 2025 06:01	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 05:58	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 05:51	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,469
Dec 21, 2025 05:46	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,493
Dec 21, 2025 05:45	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,483
Dec 21, 2025 05:45	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,470
Dec 21, 2025 05:35	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,507
Dec 21, 2025 05:25	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,509
Dec 21, 2025 05:21	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,510
Dec 21, 2025 05:05	Ahmed Mhedhbi	CPPg++13.3.0	Error
Dec 21, 2025 05:02	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,520
Dec 21, 2025 05:00	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,498
Dec 21, 2025 04:59	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,534
Dec 21, 2025 04:59	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,493
Dec 21, 2025 04:56	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,680
Dec 21, 2025 04:53	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,505
Dec 21, 2025 04:53	Ahmed Mhedhbi	CPPg++13.3.0	Success	4,506
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

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