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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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
Jun 2, 2026 03:22	Victor Mercklé	CPPg++14.2.0	Success	4,336
Jun 2, 2026 03:17	Victor Mercklé	CPPg++14.2.0	Success	4,345
Jun 2, 2026 03:12	Victor Mercklé	CPPg++14.2.0	Success	4,331
Jun 2, 2026 03:07	Victor Mercklé	CPPg++14.2.0	Success	4,333
Jun 2, 2026 03:01	Victor Mercklé	CPPg++14.2.0	Success	4,396
Jun 2, 2026 02:56	Victor Mercklé	CPPg++14.2.0	Success	4,421
Jun 2, 2026 02:51	Victor Mercklé	CPPg++14.2.0	Success	4,330
Jun 2, 2026 02:46	Victor Mercklé	CPPg++14.2.0	Success	4,331
Jun 2, 2026 02:41	Victor Mercklé	CPPg++14.2.0	Success	4,328
Jun 2, 2026 02:36	Victor Mercklé	CPPg++14.2.0	Success	4,390
Jun 2, 2026 02:31	Victor Mercklé	CPPg++14.2.0	Success	4,352
Jun 2, 2026 02:12	Victor Mercklé	CPPg++14.2.0	Success	4,334
Jun 2, 2026 02:07	Victor Mercklé	CPPg++14.2.0	Success	4,330
Jun 2, 2026 02:02	Victor Mercklé	CPPg++14.2.0	Success	4,323
Jun 2, 2026 01:57	Victor Mercklé	CPPg++14.2.0	Success	4,315+1.61 RP
Jun 2, 2026 01:52	Victor Mercklé	CPPg++14.2.0	Success	4,369
Jun 2, 2026 01:47	Victor Mercklé	CPPg++14.2.0	Success	4,349
Jun 2, 2026 01:42	Victor Mercklé	CPPg++14.2.0	Success	4,336
Jun 2, 2026 01:37	Victor Mercklé	CPPg++14.2.0	Success	4,335
Jun 2, 2026 01:32	Victor Mercklé	CPPg++14.2.0	Success	4,332
Jun 2, 2026 01:27	Victor Mercklé	CPPg++14.2.0	Success	4,345
Jun 2, 2026 01:22	Victor Mercklé	CPPg++14.2.0	Success	4,328
Jun 2, 2026 01:17	Victor Mercklé	CPPg++14.2.0	Success	4,331
Jun 2, 2026 01:12	Victor Mercklé	CPPg++14.2.0	Success	4,338
Jun 2, 2026 01:07	Victor Mercklé	CPPg++14.2.0	Success	4,330
Jun 2, 2026 00:57	Victor Mercklé	CPPg++14.2.0	Success	4,331
Jun 2, 2026 00:52	Victor Mercklé	CPPg++14.2.0	Success	4,328
Jun 2, 2026 00:47	Victor Mercklé	CPPg++14.2.0	Success	4,318+3.21 RP
Jun 2, 2026 00:42	Victor Mercklé	CPPg++14.2.0	Success	4,324+0.53 RP
Jun 2, 2026 00:37	Victor Mercklé	CPPg++14.2.0	Success	4,325+1.60 RP
Jun 2, 2026 00:32	Victor Mercklé	CPPg++14.2.0	Success	4,331
Jun 2, 2026 00:27	Victor Mercklé	CPPg++14.2.0	Success	4,328+1.07 RP
Jun 2, 2026 00:22	Victor Mercklé	CPPg++14.2.0	Success	4,332
Jun 2, 2026 00:17	Victor Mercklé	CPPg++14.2.0	Success	4,336
Jun 2, 2026 00:12	Victor Mercklé	CPPg++14.2.0	Success	4,330+2.13 RP
Jun 2, 2026 00:02	Victor Mercklé	CPPg++14.2.0	Success	4,350
Jun 1, 2026 23:57	Victor Mercklé	CPPg++14.2.0	Success	4,359
Jun 1, 2026 23:52	Victor Mercklé	CPPg++14.2.0	Success	4,347
Jun 1, 2026 23:47	Victor Mercklé	CPPg++14.2.0	Success	4,334
Jun 1, 2026 23:42	Victor Mercklé	CPPg++14.2.0	Success	4,345
Jun 1, 2026 23:37	Victor Mercklé	CPPg++14.2.0	Success	4,346
Jun 1, 2026 23:32	Victor Mercklé	CPPg++14.2.0	Success	4,334+6.37 RP
Jun 1, 2026 23:27	Victor Mercklé	CPPg++14.2.0	Success	4,348
Jun 1, 2026 23:22	Victor Mercklé	CPPg++14.2.0	Success	4,346+3.70 RP
Jun 1, 2026 23:07	Victor Mercklé	CPPg++14.2.0	Success	4,367
Jun 1, 2026 23:02	Victor Mercklé	CPPg++14.2.0	Success	4,360
Jun 1, 2026 22:57	Victor Mercklé	CPPg++14.2.0	Success	4,353
Jun 1, 2026 22:52	Victor Mercklé	CPPg++14.2.0	Success	4,353+2.11 RP
Jun 1, 2026 22:46	Victor Mercklé	CPPg++14.2.0	Success	4,362
Jun 1, 2026 22:41	Victor Mercklé	CPPg++14.2.0	Success	4,443
Jun 1, 2026 22:36	Victor Mercklé	CPPg++14.2.0	Success	4,378
Jun 1, 2026 22:31	Victor Mercklé	CPPg++14.2.0	Success	4,394
Jun 1, 2026 22:26	Victor Mercklé	CPPg++14.2.0	Success	4,363
Jun 1, 2026 22:21	Victor Mercklé	CPPg++14.2.0	Success	4,357+4.21 RP
Jun 1, 2026 22:16	Victor Mercklé	CPPg++14.2.0	Success	4,368
Jun 1, 2026 22:11	Victor Mercklé	CPPg++14.2.0	Success	4,365+4.19 RP
Jun 1, 2026 22:06	Victor Mercklé	CPPg++14.2.0	Success	4,373+3.65 RP
Jun 1, 2026 22:01	Victor Mercklé	CPPg++14.2.0	Success	4,385
Jun 1, 2026 21:56	Victor Mercklé	CPPg++14.2.0	Success	4,408
Jun 1, 2026 21:51	Victor Mercklé	CPPg++14.2.0	Success	5,402
Jun 1, 2026 21:50	Ilya	CPPg++13.3.0	Success	4,393
Jun 1, 2026 21:46	Victor Mercklé	CPPg++14.2.0	Success	4,441
Jun 1, 2026 21:41	Victor Mercklé	CPPg++14.2.0	Success	4,390
Jun 1, 2026 21:36	Victor Mercklé	CPPg++14.2.0	Success	4,380+18.10 RP
Jun 1, 2026 21:35	Ilya	CPPg++13.3.0	Error
Jun 1, 2026 21:34	Ilya	CPPg++13.3.0	Error
Jun 1, 2026 21:31	Victor Mercklé	CPPg++14.2.0	Success	4,445
Jun 1, 2026 21:26	Victor Mercklé	CPPg++14.2.0	Success	4,415+41.80 RP
Jun 1, 2026 21:21	Victor Mercklé	CPPg++14.2.0	Success	4,575
Jun 1, 2026 21:16	Victor Mercklé	CPPg++14.2.0	Success	4,535
Jun 1, 2026 21:08	Victor Mercklé	CPPg++14.2.0	Success	4,510
Jun 1, 2026 21:03	Victor Mercklé	CPPg++14.2.0	Success	4,507
Jun 1, 2026 21:01	Ilya	CPPg++13.3.0	Success	4,389
Jun 1, 2026 20:58	Victor Mercklé	CPPg++14.2.0	Success	4,510
Jun 1, 2026 20:53	Victor Mercklé	CPPg++14.2.0	Success	4,498+0.99 RP
Jun 1, 2026 20:48	Victor Mercklé	CPPg++14.2.0	Success	4,500
Jun 1, 2026 20:44	Ilya	CPPg++12.4.0	Success	4,395
Jun 1, 2026 20:43	Victor Mercklé	CPPg++14.2.0	Success	4,502
Jun 1, 2026 20:43	Ilya	CPPg++12.4.0	Success	5,275
Jun 1, 2026 20:42	Ilya	CPPg++12.4.0	Error
Jun 1, 2026 20:38	Victor Mercklé	CPPg++14.2.0	Success	4,514
Jun 1, 2026 20:33	Victor Mercklé	CPPg++14.2.0	Success	4,509
Jun 1, 2026 20:28	Victor Mercklé	CPPg++14.2.0	Success	4,500+0.99 RP
Jun 1, 2026 20:25	Ilya	CPPg++12.4.0	Error
Jun 1, 2026 20:23	Victor Mercklé	CPPg++14.2.0	Success	4,502+0.49 RP
Jun 1, 2026 20:18	Victor Mercklé	CPPg++14.2.0	Success	4,503+0.99 RP
Jun 1, 2026 20:13	Victor Mercklé	CPPg++14.2.0	Success	4,505+1.48 RP
Jun 1, 2026 20:08	Victor Mercklé	CPPg++14.2.0	Success	4,533
Jun 1, 2026 20:03	Victor Mercklé	CPPg++14.2.0	Success	4,512
Jun 1, 2026 19:58	Victor Mercklé	CPPg++14.2.0	Success	4,528
Jun 1, 2026 19:53	Victor Mercklé	CPPg++14.2.0	Success	4,508+10.77 RP
Jun 1, 2026 19:28	Ilya	CPPg++12.4.0	Success	4,305
Jun 1, 2026 19:24	Ilya	CPPg++13.3.0	Success	4,312
Jun 1, 2026 19:24	Ilya	CPPclang++20.1.2	Success	4,579
Jun 1, 2026 19:23	Ilya	CPPg++14.2.0	Success	4,313
Jun 1, 2026 19:21	Ilya	CPPg++12.4.0	Success	4,305
Jun 1, 2026 19:20	Ilya	CPPg++12.4.0	Error
Jun 1, 2026 19:12	Ilya	CPPg++12.4.0	Success	4,312
Jun 1, 2026 18:56	Ilya	CPPg++12.4.0	Success	4,298
Jun 1, 2026 18:54	Victor Mercklé	CPPg++14.2.0	Success	4,594

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