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
Mar 26, 2026 14:35	limanjun99	CPPg++13.3.0	Success	4,422
Mar 26, 2026 14:35	limanjun99	CPPg++13.3.0	Success	4,413
Mar 26, 2026 14:34	limanjun99	CPPg++13.3.0	Success	4,406
Mar 26, 2026 14:20	limanjun99	CPPg++13.3.0	Success	4,411
Mar 26, 2026 14:20	limanjun99	CPPg++13.3.0	Success	10,595
Mar 26, 2026 14:19	limanjun99	CPPg++13.3.0	Success	4,543
Mar 26, 2026 13:35	limanjun99	CPPg++13.3.0	Success	4,278+186.54 RP
Mar 26, 2026 10:55	Dominique Garmier	RUSTrust-1.94.0	Success	5,323
Mar 26, 2026 10:41	Dominique Garmier	RUSTrust-1.94.0	Success	5,325
Mar 26, 2026 10:23	Dominique Garmier	RUSTrust-1.94.0	Success	147,693
Mar 25, 2026 21:06	Dominique Garmier	ZIG0.13.0	Success	5,215
Mar 25, 2026 20:31	Dominique Garmier	ZIG0.13.0	Success	5,676
Mar 25, 2026 20:08	Dominique Garmier	RUSTrust-1.94.0	Success	193,586
Mar 25, 2026 19:56	Dominique Garmier	ZIG0.13.0	Success	5,379
Mar 25, 2026 19:55	Dominique Garmier	ZIG0.13.0	Success	5,293
Mar 25, 2026 17:19	Dominique Garmier	ZIG0.13.0	Success	5,396
Mar 25, 2026 16:48	syllex	CPPg++13.3.0	Success	59,439
Mar 25, 2026 16:45	syllex	CPPg++13.3.0	Success	50,702
Mar 25, 2026 16:39	syllex	CPPg++13.3.0	Success	50,594
Mar 25, 2026 16:35	syllex	CPPg++13.3.0	Success	50,573+27.20 RP
Mar 25, 2026 16:29	syllex	CPPg++13.3.0	Error
Mar 25, 2026 16:00	syllex	CPPg++13.3.0	Success	58,676
Mar 25, 2026 15:49	syllex	CPPg++13.3.0	Success	58,640+170.53 RP
Mar 25, 2026 15:20	Dominique Garmier	ZIG0.13.0	Success	5,207
Mar 25, 2026 14:02	olliecrow	CPPg++13.3.0	Success	4,358
Mar 25, 2026 13:30	Dominique Garmier	ZIG0.13.0	Success	6,936
Mar 25, 2026 12:45	limanjun99	CPPg++13.3.0	Success	5,283
Mar 25, 2026 12:40	limanjun99	CPPg++13.3.0	Success	5,409
Mar 25, 2026 12:37	limanjun99	CPPg++13.3.0	Success	5,273
Mar 25, 2026 12:35	limanjun99	CPPg++13.3.0	Success	5,279
Mar 25, 2026 12:34	Dominique Garmier	RUSTrust-1.94.0	Success	5,358
Mar 25, 2026 12:28	limanjun99	CPPg++13.3.0	Success	5,646
Mar 25, 2026 12:25	limanjun99	CPPg++13.3.0	Success	4,970
Mar 25, 2026 12:24	limanjun99	CPPg++13.3.0	Success	4,771
Mar 25, 2026 12:23	limanjun99	CPPg++13.3.0	Success	4,799
Mar 25, 2026 12:20	limanjun99	CPPg++13.3.0	Success	4,700
Mar 25, 2026 12:20	limanjun99	CPPg++13.3.0	Success	4,838
Mar 25, 2026 12:19	limanjun99	CPPg++13.3.0	Success	4,680
Mar 25, 2026 12:19	limanjun99	CPPg++13.3.0	Success	4,673
Mar 25, 2026 12:18	limanjun99	CPPg++13.3.0	Success	4,688
Mar 25, 2026 12:11	limanjun99	CPPg++13.3.0	Success	4,862
Mar 25, 2026 12:11	limanjun99	CPPg++13.3.0	Success	4,857
Mar 25, 2026 12:10	limanjun99	CPPg++13.3.0	Success	4,825
Mar 25, 2026 12:10	limanjun99	CPPg++13.3.0	Success	4,803
Mar 25, 2026 12:10	limanjun99	CPPg++13.3.0	Success	4,869
Mar 25, 2026 12:08	limanjun99	CPPg++13.3.0	Success	4,886
Mar 25, 2026 12:07	limanjun99	CPPg++13.3.0	Success	5,041
Mar 25, 2026 12:04	limanjun99	CPPg++13.3.0	Error
Mar 25, 2026 12:03	Arseniy Korobenko	CPPclang++18.1.3	Success	4,644
Mar 25, 2026 11:50	Arseniy Korobenko	CPPclang++18.1.3	Success	4,648
Mar 25, 2026 11:47	Arseniy Korobenko	CPPclang++18.1.3	Success	4,791
Mar 25, 2026 11:11	limanjun99	CPPg++13.3.0	Success	4,714
Mar 25, 2026 11:09	limanjun99	CPPg++13.3.0	Success	4,650
Mar 25, 2026 11:01	Dominique Garmier	ZIG0.13.0	Success	5,315
Mar 25, 2026 08:47	limanjun99	CPPg++13.3.0	Success	4,685
Mar 25, 2026 08:44	limanjun99	CPPg++13.3.0	Success	4,672
Mar 25, 2026 08:42	limanjun99	CPPg++13.3.0	Success	4,720
Mar 25, 2026 08:41	limanjun99	CPPg++13.3.0	Success	4,684
Mar 25, 2026 08:41	limanjun99	CPPg++13.3.0	Success	4,675
Mar 25, 2026 08:39	limanjun99	CPPg++13.3.0	Success	5,071
Mar 25, 2026 08:38	limanjun99	CPPg++13.3.0	Success	4,660
Mar 25, 2026 08:32	Dominique Garmier	RUSTrust-1.94.0	Success	4,598
Mar 25, 2026 08:28	limanjun99	CPPg++13.3.0	Success	4,657
Mar 25, 2026 01:57	Dominique Garmier	CPPg++13.3.0	Success	5,317
Mar 25, 2026 01:57	Dominique Garmier	CPPg++13.3.0	Success	4,752
Mar 25, 2026 01:56	Dominique Garmier	CPPg++13.3.0	Success	4,493
Mar 24, 2026 23:28	Dominique Garmier	CPPg++13.3.0	Success	5,062
Mar 24, 2026 20:24	Dominique Garmier	RUSTrust-1.94.0	Success	5,338
Mar 24, 2026 16:49	Mohamed Elmahdi Bendimerad	CPPg++13.3.0	Success	47,781+205.92 RP
Mar 24, 2026 15:43	Mohamed Elmahdi Bendimerad	CPPg++13.3.0	Success	2,970,397+3.37 RP
Mar 24, 2026 14:48	Dominique Garmier	RUSTrust-1.94.0	Success	5,343
Mar 24, 2026 14:26	Dominique Garmier	RUSTrust-1.94.0	Success	5,377
Mar 24, 2026 14:25	Dominique Garmier	RUSTrust-1.94.0	Success	5,349
Mar 24, 2026 13:44	Arseniy Korobenko	CPPclang++18.1.3	Success	4,671
Mar 24, 2026 13:42	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 24, 2026 13:21	Arseniy Korobenko	CPPclang++18.1.3	Success	4,684
Mar 24, 2026 13:16	Arseniy Korobenko	CPPclang++18.1.3	Success	4,600
Mar 24, 2026 13:07	Arseniy Korobenko	CPPclang++18.1.3	Success	4,875
Mar 24, 2026 13:06	Arseniy Korobenko	CPPclang++18.1.3	Success	5,071
Mar 24, 2026 12:58	Arseniy Korobenko	CPPclang++18.1.3	Success	4,861
Mar 24, 2026 12:09	Arseniy Korobenko	CPPclang++18.1.3	Success	4,529+54.68 RP
Mar 24, 2026 11:52	Arseniy Korobenko	CPPclang++18.1.3	Success	4,644+0.93 RP
Mar 24, 2026 11:46	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 24, 2026 11:27	Arseniy Korobenko	CPPclang++18.1.3	Success	4,646+69.06 RP
Mar 24, 2026 10:44	Arseniy Korobenko	CPPclang++18.1.3	Success	4,800+39.18 RP
Mar 24, 2026 10:11	Arseniy Korobenko	CPPclang++18.1.3	Success	5,015
Mar 24, 2026 10:09	Arseniy Korobenko	CPPclang++18.1.3	Success	5,270
Mar 24, 2026 10:09	Arseniy Korobenko	CPPclang++18.1.3	Success	5,267
Mar 24, 2026 10:06	Arseniy Korobenko	CPPclang++18.1.3	Success	4,963
Mar 24, 2026 09:59	Arseniy Korobenko	CPPclang++18.1.3	Success	4,915
Mar 24, 2026 09:57	Arseniy Korobenko	CPPclang++18.1.3	Success	4,994
Mar 24, 2026 09:50	Arseniy Korobenko	CPPclang++18.1.3	Success	5,033
Mar 24, 2026 09:42	Arseniy Korobenko	CPPclang++18.1.3	Error
Mar 24, 2026 09:16	Dominique Garmier	RUSTrust-1.82.0	Success	5,383
Mar 24, 2026 07:46	Dominique Garmier	CPPg++13.3.0	Success	4,502
Mar 24, 2026 07:46	Dominique Garmier	CPPclang++18.1.3	Success	4,746
Mar 24, 2026 07:46	Dominique Garmier	CPPclang++18.1.3	Success	5,460
Mar 24, 2026 07:18	Dominique Garmier	CPPg++13.3.0	Success	10,795
Mar 24, 2026 01:03	Dominique Garmier	GOgo1.26.1	Success	23,144
Mar 24, 2026 00:41	Dominique Garmier	CSHARP9.0.14	Success	15,570

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