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 28, 2026 12:42	GKP00	CPPclang++18.1.3	Success	24,975
Jan 28, 2026 12:30	GKP00	CPPclang++18.1.3	Success	40,366
Jan 28, 2026 12:16	GKP00	CPPclang++18.1.3	Success	20,243+393.26 RP
Jan 28, 2026 12:15	GKP00	CPPclang++18.1.3	Success	99,267+2.64 RP
Jan 28, 2026 12:04	GKP00	CPPclang++18.1.3	Success	102,044
Jan 28, 2026 12:03	GKP00	CPPg++13.3.0	Success	239,950
Jan 28, 2026 12:02	GKP00	CPPg++13.3.0	Success	230,152
Jan 28, 2026 12:01	GKP00	CPPclang++18.1.3	Error
Jan 28, 2026 11:54	GKP00	CPPclang++18.1.3	Success	2,969,294
Jan 28, 2026 11:51	GKP00	CPPclang++18.1.3	Success	101,940+73.34 RP
Jan 28, 2026 11:50	GKP00	CPPclang++18.1.3	Error
Jan 28, 2026 11:48	GKP00	CPPclang++18.1.3	Success	403,946+24.76 RP
Jan 28, 2026 09:52	opisafaq	CPPg++13.3.0	Success	32,983+303.19 RP
Jan 28, 2026 09:49	opisafaq	CPPg++13.3.0	Error
Jan 26, 2026 13:46	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,274
Jan 26, 2026 13:43	Ryan Chung Yi Sheng	CPPg++13.3.0	Error
Jan 26, 2026 13:40	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,151
Jan 26, 2026 13:39	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,142+12.77 RP
Jan 26, 2026 13:36	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,718
Jan 26, 2026 13:32	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,305
Jan 26, 2026 13:30	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,425
Jan 25, 2026 15:45	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,176+65.63 RP
Jan 25, 2026 15:40	Ryan Chung Yi Sheng	CPPg++13.3.0	Error
Jan 25, 2026 15:38	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,523
Jan 25, 2026 15:37	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,540
Jan 25, 2026 15:36	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,513
Jan 25, 2026 15:35	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,366
Jan 25, 2026 15:34	Ryan Chung Yi Sheng	CPPclang++18.1.3	Success	5,504
Jan 25, 2026 15:28	Ryan Chung Yi Sheng	CPPclang++18.1.3	Success	5,480
Jan 25, 2026 15:28	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,378
Jan 24, 2026 14:41	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,358+35.54 RP
Jan 24, 2026 14:41	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,584
Jan 24, 2026 14:41	Ryan Chung Yi Sheng	CPPclang++18.1.3	Success	5,823
Jan 24, 2026 14:32	Ryan Chung Yi Sheng	CPPclang++18.1.3	Success	5,744
Jan 24, 2026 14:26	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	5,584
Jan 24, 2026 14:26	Ryan Chung Yi Sheng	CPPclang++18.1.3	Success	5,952
Jan 22, 2026 22:32	Josu San Martin	CPPg++13.3.0	Error
Jan 22, 2026 19:31	Josu San Martin	CPPg++13.3.0	Error
Jan 22, 2026 13:41	Ryan Chung Yi Sheng	CPPclang++18.1.3	Success	10,672
Jan 22, 2026 13:37	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	16,680
Jan 22, 2026 13:36	Ryan Chung Yi Sheng	CPPg++13.3.0	Success	16,755
Jan 22, 2026 04:11	Josu San Martin	CPPg++13.3.0	Success	4,468
Jan 22, 2026 03:57	Josu San Martin	CPPg++13.3.0	Success	4,448
Jan 22, 2026 03:42	Josu San Martin	CPPg++13.3.0	Success	4,422
Jan 17, 2026 02:38	zielaj	CPPclang++18.1.3	Success	4,165
Jan 15, 2026 19:13	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	7,350
Jan 15, 2026 19:11	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	7,386
Jan 15, 2026 19:00	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Jan 15, 2026 18:59	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	7,335+43.72 RP
Jan 15, 2026 18:57	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Jan 15, 2026 13:52	zielaj	CPPclang++18.1.3	Success	366,699
Jan 15, 2026 13:51	zielaj	CPPclang++18.1.3	Success	367,055
Jan 15, 2026 13:50	zielaj	CPPclang++18.1.3	Success	367,198
Jan 15, 2026 13:50	zielaj	CPPclang++18.1.3	Success	366,274
Jan 15, 2026 13:49	zielaj	CPPclang++18.1.3	Success	366,329
Jan 15, 2026 13:49	zielaj	CPPclang++18.1.3	Success	367,094
Jan 15, 2026 13:48	zielaj	CPPclang++18.1.3	Success	367,105
Jan 15, 2026 13:44	zielaj	CPPclang++18.1.3	Success	368,366
Jan 15, 2026 13:43	zielaj	CPPclang++18.1.3	Success	366,208
Jan 15, 2026 13:42	zielaj	CPPclang++18.1.3	Success	366,542
Jan 15, 2026 12:55	zielaj	CPPclang++18.1.3	Success	366,309
Jan 15, 2026 12:55	zielaj	CPPclang++18.1.3	Success	370,238
Jan 15, 2026 04:32	zielaj	CPPclang++18.1.3	Success	4,134
Jan 15, 2026 04:31	zielaj	CPPclang++18.1.3	Success	366,736
Jan 15, 2026 04:30	zielaj	CPPclang++18.1.3	Success	366,713
Jan 15, 2026 04:30	zielaj	CPPclang++18.1.3	Success	366,371
Jan 15, 2026 04:26	zielaj	CPPclang++18.1.3	Success	365,995
Jan 15, 2026 04:24	zielaj	CPPclang++18.1.3	Success	367,132
Jan 15, 2026 04:22	zielaj	CPPclang++18.1.3	Success	366,376
Jan 15, 2026 04:22	zielaj	CPPclang++18.1.3	Success	366,591
Jan 15, 2026 04:21	zielaj	CPPclang++18.1.3	Success	370,771
Jan 15, 2026 03:21	zielaj	CPPclang++18.1.3	Success	4,145
Jan 15, 2026 03:20	zielaj	CPPclang++18.1.3	Success	366,138
Jan 15, 2026 03:19	zielaj	CPPclang++18.1.3	Success	366,260
Jan 15, 2026 03:17	zielaj	CPPclang++18.1.3	Success	366,193
Jan 15, 2026 03:17	zielaj	CPPclang++18.1.3	Success	366,032
Jan 15, 2026 03:16	zielaj	CPPclang++18.1.3	Success	366,136
Jan 15, 2026 03:15	zielaj	CPPclang++18.1.3	Success	366,117
Jan 15, 2026 03:15	zielaj	CPPclang++18.1.3	Success	367,193
Jan 15, 2026 03:13	zielaj	CPPclang++18.1.3	Success	366,801
Jan 15, 2026 03:13	zielaj	CPPclang++18.1.3	Success	366,621
Jan 15, 2026 03:12	zielaj	CPPclang++18.1.3	Success	366,519
Jan 15, 2026 03:11	zielaj	CPPclang++18.1.3	Success	366,879
Jan 15, 2026 03:10	zielaj	CPPclang++18.1.3	Success	366,013
Jan 15, 2026 03:08	zielaj	CPPclang++18.1.3	Success	366,558
Jan 15, 2026 03:07	zielaj	CPPclang++18.1.3	Success	367,504
Jan 15, 2026 03:07	zielaj	CPPclang++18.1.3	Success	4,175
Jan 15, 2026 02:48	zielaj	CPPclang++18.1.3	Success	366,235
Jan 15, 2026 02:47	zielaj	CPPclang++18.1.3	Success	365,976
Jan 15, 2026 02:46	zielaj	CPPclang++18.1.3	Success	366,069
Jan 15, 2026 02:46	zielaj	CPPclang++18.1.3	Success	366,274
Jan 15, 2026 02:45	zielaj	CPPclang++18.1.3	Success	366,066
Jan 15, 2026 02:45	zielaj	CPPclang++18.1.3	Success	365,960
Jan 15, 2026 02:44	zielaj	CPPclang++18.1.3	Success	365,765
Jan 15, 2026 02:43	zielaj	CPPclang++18.1.3	Success	367,464
Jan 15, 2026 02:42	zielaj	CPPclang++18.1.3	Success	367,164
Jan 15, 2026 02:42	zielaj	CPPclang++18.1.3	Success	366,052
Jan 15, 2026 02:40	zielaj	CPPclang++18.1.3	Success	366,830
Jan 15, 2026 02:24	zielaj	CPPclang++18.1.3	Success	366,656
Jan 15, 2026 02:23	zielaj	CPPclang++18.1.3	Success	367,077

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