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
Jan 5, 2026 10:39	Rajarshi Basu	CPPg++13.3.0	Success	4,710+8.98 RP
Jan 5, 2026 10:38	Rajarshi Basu	CPPg++13.3.0	Success	4,897
Jan 5, 2026 10:38	Rajarshi Basu	CPPg++13.3.0	Success	4,810
Jan 5, 2026 10:38	Rajarshi Basu	CPPg++13.3.0	Success	4,777
Jan 5, 2026 10:37	Rajarshi Basu	CPPg++13.3.0	Success	4,752
Jan 5, 2026 10:32	Rajarshi Basu	CPPg++13.3.0	Error
Jan 5, 2026 10:28	Rajarshi Basu	CPPg++13.3.0	Success	4,749
Jan 5, 2026 10:27	Rajarshi Basu	CPPg++13.3.0	Success	4,759
Jan 5, 2026 10:27	Rajarshi Basu	CPPg++13.3.0	Success	4,881
Jan 5, 2026 10:25	Rajarshi Basu	CPPg++13.3.0	Success	4,866
Jan 5, 2026 10:21	Rajarshi Basu	CPPg++13.3.0	Success	4,801
Jan 5, 2026 10:15	Rajarshi Basu	CPPg++13.3.0	Success	4,755
Jan 5, 2026 10:14	Rajarshi Basu	CPPg++13.3.0	Success	4,730+24.30 RP
Jan 5, 2026 10:12	Rajarshi Basu	CPPg++13.3.0	Success	4,785+14.74 RP
Jan 5, 2026 10:10	Rajarshi Basu	CPPg++13.3.0	Success	4,819+11.99 RP
Jan 5, 2026 10:07	Rajarshi Basu	CPPg++13.3.0	Success	4,847+230.62 RP
Jan 5, 2026 09:23	Rajarshi Basu	CPPg++13.3.0	Success	5,639
Jan 5, 2026 09:19	Rajarshi Basu	CPPg++13.3.0	Success	5,534
Jan 3, 2026 18:42	Павел Ратманов	CPPg++13.3.0	Success	4,752+1.33 RP
Jan 3, 2026 18:34	Павел Ратманов	CPPg++13.3.0	Success	5,013
Jan 3, 2026 18:33	Павел Ратманов	CPPg++13.3.0	Success	4,804
Jan 3, 2026 18:31	Павел Ратманов	CPPclang++18.1.3	Success	4,763
Jan 3, 2026 18:30	Павел Ратманов	CPPg++13.3.0	Success	4,755+0.44 RP
Jan 3, 2026 18:29	Павел Ратманов	CPPg++13.3.0	Success	4,779
Jan 3, 2026 18:26	Павел Ратманов	CPPg++13.3.0	Success	4,756+50.48 RP
Jan 3, 2026 18:21	Павел Ратманов	CPPg++13.3.0	Success	4,902
Jan 3, 2026 18:21	Павел Ратманов	CPPg++13.3.0	Success	4,873+2.10 RP
Jan 3, 2026 18:20	Павел Ратманов	CPPg++13.3.0	Success	4,878+34.30 RP
Jan 3, 2026 18:19	Павел Ратманов	CPPg++13.3.0	Success	4,961+3.25 RP
Jan 3, 2026 18:17	Павел Ратманов	CPPg++13.3.0	Success	4,969+6.46 RP
Jan 3, 2026 18:10	Павел Ратманов	CPPg++13.3.0	Success	4,985+215.83 RP
Jan 3, 2026 15:26	Павел Ратманов	CPPclang++18.1.3	Success	5,665
Jan 3, 2026 15:24	Павел Ратманов	CPPclang++18.1.3	Success	5,586+0.64 RP
Jan 3, 2026 15:23	Павел Ратманов	CPPclang++18.1.3	Success	5,606
Jan 3, 2026 15:23	Павел Ратманов	CPPclang++18.1.3	Success	5,608
Jan 3, 2026 15:22	Павел Ратманов	CPPclang++18.1.3	Success	5,612
Jan 3, 2026 15:21	Павел Ратманов	CPPclang++18.1.3	Success	5,617
Jan 3, 2026 15:19	Павел Ратманов	CPPclang++18.1.3	Success	5,588+1.28 RP
Jan 3, 2026 15:18	Павел Ратманов	CPPclang++18.1.3	Success	5,592+1.60 RP
Jan 3, 2026 15:18	Павел Ратманов	CPPclang++18.1.3	Success	5,597+3.19 RP
Jan 3, 2026 14:34	Hattonuri	CPPclang++18.1.3	Success	4,425
Jan 3, 2026 14:26	Hattonuri	CPPclang++18.1.3	Success	4,590
Jan 3, 2026 14:25	Hattonuri	CPPclang++18.1.3	Success	4,537
Jan 3, 2026 14:22	Hattonuri	CPPclang++18.1.3	Success	4,476
Jan 3, 2026 14:22	Hattonuri	CPPclang++18.1.3	Error
Jan 3, 2026 14:22	Hattonuri	CPPclang++18.1.3	Success	4,473
Jan 3, 2026 14:21	Hattonuri	CPPclang++18.1.3	Success	4,496
Jan 3, 2026 14:11	Hattonuri	CPPclang++18.1.3	Success	4,424
Jan 2, 2026 22:49	Hattonuri	CPPclang++18.1.3	Success	4,432
Jan 2, 2026 22:39	Carlos MG	CPPg++13.3.0	Success	2,973,772+3.36 RP
Jan 2, 2026 19:31	Павел Ратманов	CPPclang++18.1.3	Success	5,607+4.13 RP
Jan 2, 2026 19:30	Павел Ратманов	CPPg++13.3.0	Success	5,651
Jan 2, 2026 19:28	Павел Ратманов	CPPg++13.3.0	Error
Jan 2, 2026 19:26	Hattonuri	CPPclang++18.1.3	Success	4,450
Jan 2, 2026 19:26	Hattonuri	CPPclang++18.1.3	Error
Jan 2, 2026 19:25	Hattonuri	CPPclang++18.1.3	Error
Jan 2, 2026 19:21	Hattonuri	CPPclang++18.1.3	Success	4,818
Jan 2, 2026 19:19	Павел Ратманов	CPPg++13.3.0	Success	5,620+64.68 RP
Jan 2, 2026 19:19	Hattonuri	CPPclang++18.1.3	Success	4,418
Jan 2, 2026 19:18	Hattonuri	CPPclang++18.1.3	Success	4,418
Jan 2, 2026 19:18	Hattonuri	CPPclang++18.1.3	Success	4,522
Jan 2, 2026 19:17	Mark R Best	RUSTrust-1.92.0	Success	5,586
Jan 2, 2026 19:16	Mark R Best	RUSTrust-1.92.0	Success	5,578
Jan 2, 2026 19:14	Mark R Best	RUSTrust-1.92.0	Error
Jan 2, 2026 19:13	Mark R Best	RUSTrust-1.92.0	Error
Jan 2, 2026 19:05	Mark R Best	RUSTrust-1.92.0	Success	5,540
Jan 2, 2026 04:57	Josu San Martin	CPPg++13.3.0	Success	5,281
Jan 2, 2026 04:38	Hattonuri	CPPg++13.3.0	Success	4,452
Jan 2, 2026 04:37	Hattonuri	CPPclang++18.1.3	Success	4,420
Jan 2, 2026 04:35	Hattonuri	CPPclang++18.1.3	Error
Jan 2, 2026 04:25	Hattonuri	CPPclang++18.1.3	Error
Jan 2, 2026 04:20	Josu San Martin	RUSTrust-1.92.0	Error
Jan 2, 2026 04:20	Josu San Martin	RUSTrust-1.92.0	Error
Jan 2, 2026 04:19	Hattonuri	CPPclang++18.1.3	Success	4,416
Jan 2, 2026 04:19	Josu San Martin	RUSTrust-1.92.0	Error
Jan 2, 2026 04:05	Hattonuri	CPPclang++18.1.3	Success	4,419
Jan 2, 2026 03:56	Hattonuri	CPPclang++18.1.3	Success	4,402+7.71 RP
Jan 2, 2026 03:55	Hattonuri	CPPclang++18.1.3	Success	4,690
Jan 2, 2026 03:54	Hattonuri	CPPclang++18.1.3	Success	4,590
Jan 2, 2026 03:36	Hattonuri	CPPclang++18.1.3	Success	4,504
Jan 2, 2026 03:33	Hattonuri	CPPclang++18.1.3	Success	4,490
Jan 2, 2026 03:19	Hattonuri	CPPclang++18.1.3	Success	4,422
Jan 2, 2026 03:13	Josu San Martin	RUSTrust-1.92.0	Error
Jan 2, 2026 01:50	Hattonuri	CPPclang++18.1.3	Success	4,428
Jan 2, 2026 01:48	Hattonuri	CPPclang++18.1.3	Success	4,651
Jan 2, 2026 01:45	Hattonuri	CPPclang++18.1.3	Success	4,421
Jan 2, 2026 01:43	Hattonuri	CPPclang++18.1.3	Success	4,422
Jan 2, 2026 01:33	Hattonuri	CPPclang++18.1.3	Success	4,417+1.02 RP
Jan 2, 2026 01:28	Hattonuri	CPPclang++18.1.3	Success	4,486
Jan 2, 2026 00:11	Hattonuri	CPPclang++18.1.3	Success	4,473
Jan 2, 2026 00:05	Hattonuri	CPPclang++18.1.3	Success	4,419+0.51 RP
Jan 2, 2026 00:00	Hattonuri	CPPclang++18.1.3	Success	4,426
Jan 1, 2026 23:38	Hattonuri	CPPg++13.3.0	Success	4,491
Jan 1, 2026 23:16	Hattonuri	CPPg++13.3.0	Success	4,477
Jan 1, 2026 23:15	Hattonuri	CPPclang++18.1.3	Success	4,543
Jan 1, 2026 23:15	Hattonuri	CPPg++13.3.0	Success	4,519
Jan 1, 2026 23:15	Hattonuri	CPPclang++18.1.3	Success	4,549
Jan 1, 2026 23:13	Hattonuri	CPPg++13.3.0	Success	4,450
Jan 1, 2026 23:11	Hattonuri	CPPclang++18.1.3	Success	4,505
Jan 1, 2026 23:08	Hattonuri	CPPg++13.3.0	Error

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