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
Jan 14, 2026 10:13	Sanchit Gupta	CPPg++13.3.0	Error
Jan 14, 2026 09:11	Sanchit Gupta	CPPg++13.3.0	Error
Jan 14, 2026 09:08	Sanchit Gupta	CPPg++13.3.0	Success	2,978,244+3.36 RP
Jan 13, 2026 09:47	Bogay	GOgo1.25.5	Success	843,073+11.86 RP
Jan 12, 2026 14:22	Josu San Martin	CPPg++13.3.0	Error
Jan 7, 2026 21:07	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	10,682
Jan 7, 2026 04:33	Josu San Martin	GOgo1.25.5	Success	4,813
Jan 6, 2026 18:27	Sergey Serebryakov	CPPg++13.3.0	Success	4,714
Jan 6, 2026 17:46	Sergey Serebryakov	CPPg++13.3.0	Success	4,433
Jan 6, 2026 17:45	Sergey Serebryakov	CPPg++13.3.0	Success	4,371
Jan 6, 2026 17:45	Sergey Serebryakov	CPPg++13.3.0	Success	4,375
Jan 6, 2026 17:45	Sergey Serebryakov	CPPg++13.3.0	Success	4,398
Jan 6, 2026 17:44	Sergey Serebryakov	CPPg++13.3.0	Success	4,371
Jan 6, 2026 17:32	Sergey Serebryakov	CPPg++13.3.0	Success	5,582
Jan 6, 2026 17:27	Sergey Serebryakov	CPPg++13.3.0	Success	5,512
Jan 6, 2026 16:52	Sergey Serebryakov	CPPg++13.3.0	Success	4,364
Jan 6, 2026 16:52	Sergey Serebryakov	CPPg++13.3.0	Error
Jan 6, 2026 16:15	Sergey Serebryakov	CPPg++13.3.0	Success	4,396
Jan 6, 2026 16:13	Sergey Serebryakov	CPPg++13.3.0	Success	4,367
Jan 6, 2026 16:10	Sergey Serebryakov	CPPg++13.3.0	Success	4,374
Jan 6, 2026 16:00	Sergey Serebryakov	CPPg++13.3.0	Success	4,362+61.38 RP
Jan 6, 2026 15:32	Sergey Serebryakov	CPPg++13.3.0	Success	4,482+96.22 RP
Jan 6, 2026 15:32	Sergey Serebryakov	CPPclang++18.1.3	Success	4,684+198.82 RP
Jan 6, 2026 15:15	Sergey Serebryakov	CPPclang++18.1.3	Success	5,661
Jan 6, 2026 15:13	Sergey Serebryakov	CPPg++13.3.0	Success	5,165+45.39 RP
Jan 6, 2026 14:59	Sergey Serebryakov	CPPg++13.3.0	Success	5,289+35.43 RP
Jan 6, 2026 14:57	Sergey Serebryakov	CPPg++13.3.0	Success	5,474
Jan 6, 2026 14:55	Sergey Serebryakov	CPPg++13.3.0	Success	5,512
Jan 6, 2026 14:54	Sergey Serebryakov	CPPg++13.3.0	Success	5,521
Jan 6, 2026 14:49	Sergey Serebryakov	CPPg++13.3.0	Success	5,542
Jan 6, 2026 14:39	Sergey Serebryakov	CPPg++13.3.0	Success	5,390+112.52 RP
Jan 6, 2026 14:36	Sergey Serebryakov	CPPclang++18.1.3	Success	5,896
Jan 6, 2026 14:32	Sergey Serebryakov	CPPclang++18.1.3	Success	5,822
Jan 6, 2026 14:26	Sergey Serebryakov	CPPclang++18.1.3	Success	5,738+46.99 RP
Jan 6, 2026 10:11	Rajarshi Basu	CPPg++13.3.0	Success	4,349
Jan 6, 2026 10:11	Rajarshi Basu	CPPg++13.3.0	Success	4,344
Jan 6, 2026 10:11	Rajarshi Basu	CPPg++13.3.0	Success	4,343+5.29 RP
Jan 6, 2026 10:09	Rajarshi Basu	CPPg++13.3.0	Success	4,573
Jan 6, 2026 10:09	Rajarshi Basu	CPPg++13.3.0	Success	4,353+3.16 RP
Jan 6, 2026 09:55	Rajarshi Basu	CPPg++13.3.0	Success	4,364
Jan 6, 2026 09:54	Rajarshi Basu	CPPg++13.3.0	Success	4,367
Jan 6, 2026 09:54	Rajarshi Basu	CPPg++13.3.0	Success	4,363
Jan 6, 2026 09:53	Rajarshi Basu	CPPg++13.3.0	Success	4,359
Jan 6, 2026 09:48	Rajarshi Basu	CPPg++13.3.0	Success	4,359+1.05 RP
Jan 6, 2026 09:48	Rajarshi Basu	CPPg++13.3.0	Success	4,568
Jan 6, 2026 09:47	Rajarshi Basu	CPPg++13.3.0	Success	4,573
Jan 6, 2026 09:44	Rajarshi Basu	CPPg++13.3.0	Success	4,575
Jan 6, 2026 09:43	Rajarshi Basu	CPPg++13.3.0	Success	4,365
Jan 6, 2026 09:40	Rajarshi Basu	CPPclang++18.1.3	Success	4,574
Jan 6, 2026 09:40	Rajarshi Basu	CPPg++13.3.0	Success	4,371
Jan 6, 2026 09:40	Rajarshi Basu	CPPg++13.3.0	Success	4,509
Jan 6, 2026 09:39	Rajarshi Basu	CPPg++13.3.0	Success	4,361+1.05 RP
Jan 6, 2026 09:38	Rajarshi Basu	CPPg++13.3.0	Success	4,363+1.05 RP
Jan 6, 2026 09:37	Rajarshi Basu	CPPg++13.3.0	Success	4,368
Jan 6, 2026 09:37	Rajarshi Basu	CPPg++13.3.0	Success	4,376
Jan 6, 2026 09:36	Rajarshi Basu	CPPg++13.3.0	Success	4,365
Jan 6, 2026 09:32	Rajarshi Basu	CPPg++13.3.0	Success	4,366
Jan 6, 2026 09:30	Rajarshi Basu	CPPg++13.3.0	Success	4,516
Jan 6, 2026 09:29	Rajarshi Basu	CPPg++13.3.0	Success	4,365+4.71 RP
Jan 6, 2026 09:27	Rajarshi Basu	CPPg++13.3.0	Success	4,376
Jan 6, 2026 09:27	Rajarshi Basu	CPPg++13.3.0	Success	4,453
Jan 6, 2026 09:27	Rajarshi Basu	CPPg++13.3.0	Success	4,428
Jan 6, 2026 09:26	Rajarshi Basu	CPPg++13.3.0	Success	4,414
Jan 6, 2026 09:26	Rajarshi Basu	CPPg++13.3.0	Success	4,536
Jan 6, 2026 09:26	Rajarshi Basu	CPPg++13.3.0	Success	4,429
Jan 6, 2026 09:25	Rajarshi Basu	CPPg++13.3.0	Success	4,394
Jan 6, 2026 09:17	Rajarshi Basu	CPPg++13.3.0	Success	4,422
Jan 6, 2026 09:15	Rajarshi Basu	CPPg++13.3.0	Error
Jan 6, 2026 09:11	Rajarshi Basu	CPPg++13.3.0	Success	4,553
Jan 6, 2026 09:08	Rajarshi Basu	CPPg++13.3.0	Success	4,389
Jan 6, 2026 09:08	Rajarshi Basu	CPPg++13.3.0	Success	4,387
Jan 6, 2026 09:07	Rajarshi Basu	CPPg++13.3.0	Success	4,408
Jan 6, 2026 09:07	Rajarshi Basu	CPPg++13.3.0	Success	4,389
Jan 6, 2026 09:06	Rajarshi Basu	CPPg++13.3.0	Success	4,387
Jan 6, 2026 09:04	Rajarshi Basu	CPPg++13.3.0	Success	4,450
Jan 6, 2026 09:03	Rajarshi Basu	CPPg++13.3.0	Success	4,583
Jan 6, 2026 09:03	Rajarshi Basu	CPPg++13.3.0	Success	4,573
Jan 6, 2026 09:01	Rajarshi Basu	CPPg++13.3.0	Success	4,374+1.57 RP
Jan 6, 2026 09:01	Rajarshi Basu	CPPg++13.3.0	Success	4,377+43.02 RP
Jan 6, 2026 07:41	Rajarshi Basu	CPPg++13.3.0	Error
Jan 6, 2026 07:35	Rajarshi Basu	CPPg++13.3.0	Success	4,500
Jan 6, 2026 06:21	Rajarshi Basu	CPPg++13.3.0	Success	4,464
Jan 6, 2026 06:17	Rajarshi Basu	CPPg++13.3.0	Success	4,461+3.51 RP
Jan 6, 2026 06:14	Rajarshi Basu	CPPg++13.3.0	Success	4,491
Jan 6, 2026 06:11	Rajarshi Basu	CPPg++13.3.0	Success	4,473
Jan 6, 2026 06:05	Rajarshi Basu	CPPg++13.3.0	Error
Jan 6, 2026 06:03	Rajarshi Basu	CPPg++13.3.0	Success	4,483
Jan 6, 2026 06:02	Rajarshi Basu	CPPg++13.3.0	Success	4,475
Jan 6, 2026 06:02	Rajarshi Basu	CPPg++13.3.0	Success	4,474
Jan 6, 2026 06:01	Rajarshi Basu	CPPg++13.3.0	Success	4,483
Jan 6, 2026 06:00	Rajarshi Basu	CPPg++13.3.0	Success	4,470
Jan 6, 2026 05:46	Rajarshi Basu	CPPg++13.3.0	Success	4,483
Jan 6, 2026 05:44	Rajarshi Basu	CPPg++13.3.0	Success	4,503
Jan 6, 2026 05:44	Rajarshi Basu	CPPg++13.3.0	Success	4,490
Jan 6, 2026 05:43	Rajarshi Basu	CPPg++13.3.0	Success	4,492
Jan 6, 2026 05:43	Rajarshi Basu	CPPg++13.3.0	Success	4,485
Jan 6, 2026 05:43	Rajarshi Basu	CPPg++13.3.0	Success	4,468+3.00 RP
Jan 6, 2026 05:43	Rajarshi Basu	CPPg++13.3.0	Success	4,487
Jan 6, 2026 05:42	Rajarshi Basu	CPPg++13.3.0	Success	4,669
Jan 6, 2026 05:42	Rajarshi Basu	CPPg++13.3.0	Success	4,537

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