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
Oct 14, 2025 21:31	CountHarebourg	CPPg++13.3.0	Success	4,693
Oct 14, 2025 21:09	CountHarebourg	CPPg++13.3.0	Success	5,812
Oct 14, 2025 21:09	CountHarebourg	CPPg++13.3.0	Success	5,738
Oct 14, 2025 16:11	CountHarebourg	CPPg++13.3.0	Success	4,685
Oct 14, 2025 15:36	CountHarebourg	CPPg++13.3.0	Success	4,677
Oct 14, 2025 15:20	CountHarebourg	CPPg++13.3.0	Success	4,694
Oct 14, 2025 15:19	CountHarebourg	CPPg++13.3.0	Success	4,671+2.29 RP
Oct 14, 2025 15:18	CountHarebourg	CPPclang++18.1.3	Success	4,688
Oct 14, 2025 15:17	CountHarebourg	CPPg++13.3.0	Success	4,695
Oct 14, 2025 15:16	CountHarebourg	CPPg++13.3.0	Success	5,491
Oct 14, 2025 15:13	CountHarebourg	CPPg++13.3.0	Success	19,362
Oct 14, 2025 14:59	CountHarebourg	CPPg++13.3.0	Success	5,581
Oct 14, 2025 14:54	CountHarebourg	CPPg++13.3.0	Error
Oct 14, 2025 14:49	CountHarebourg	CPPg++13.3.0	Success	5,458
Oct 14, 2025 14:43	CountHarebourg	CPPg++13.3.0	Success	5,893
Oct 14, 2025 14:36	CountHarebourg	CPPg++13.3.0	Error
Oct 14, 2025 14:33	CountHarebourg	CPPg++13.3.0	Success	5,828
Oct 14, 2025 14:33	CountHarebourg	CPPg++13.3.0	Success	5,763
Oct 14, 2025 14:32	CountHarebourg	CPPg++13.3.0	Success	5,725
Oct 14, 2025 14:31	CountHarebourg	CPPg++13.3.0	Success	6,649
Oct 14, 2025 14:29	CountHarebourg	CPPg++13.3.0	Success	7,354
Oct 14, 2025 14:26	CountHarebourg	CPPg++13.3.0	Success	5,904
Oct 14, 2025 14:25	CountHarebourg	CPPclang++18.1.3	Success	6,093
Oct 14, 2025 14:23	CountHarebourg	CPPg++13.3.0	Error
Oct 14, 2025 14:20	CountHarebourg	CPPg++13.3.0	Success	5,804
Oct 14, 2025 14:18	CountHarebourg	CPPg++13.3.0	Success	38,949
Oct 14, 2025 11:13	wee77777wee-hue	CPPclang++18.1.3	Success	6,307
Oct 14, 2025 11:05	wee77777wee-hue	CPPclang++18.1.3	Success	6,097
Oct 14, 2025 10:57	wee77777wee-hue	CPPclang++18.1.3	Success	5,788
Oct 14, 2025 10:40	wee77777wee-hue	CPPclang++18.1.3	Success	4,481+6.46 RP
Oct 14, 2025 10:39	wee77777wee-hue	CPPg++13.3.0	Success	4,494+269.39 RP
Oct 14, 2025 10:38	wee77777wee-hue	CPPg++13.3.0	Success	6,323
Oct 14, 2025 10:35	wee77777wee-hue	CPPg++13.3.0	Error
Oct 14, 2025 10:28	wee77777wee-hue	CPPg++13.3.0	Success	5,497
Oct 14, 2025 10:28	wee77777wee-hue	CPPg++13.3.0	Success	5,502
Oct 14, 2025 10:26	wee77777wee-hue	CPPg++13.3.0	Success	5,477
Oct 14, 2025 10:25	wee77777wee-hue	CPPg++13.3.0	Success	5,460
Oct 14, 2025 10:20	wee77777wee-hue	CPPg++13.3.0	Success	5,468
Oct 14, 2025 10:20	wee77777wee-hue	CPPg++13.3.0	Success	5,464
Oct 14, 2025 10:20	wee77777wee-hue	CPPg++13.3.0	Success	5,212
Oct 14, 2025 10:20	wee77777wee-hue	CPPg++13.3.0	Success	5,274
Oct 14, 2025 10:20	wee77777wee-hue	CPPg++13.3.0	Success	5,128
Oct 14, 2025 10:19	wee77777wee-hue	CPPg++13.3.0	Success	5,114
Oct 14, 2025 10:18	wee77777wee-hue	CPPg++13.3.0	Success	5,358
Oct 14, 2025 10:18	wee77777wee-hue	CPPg++13.3.0	Success	5,708
Oct 14, 2025 10:18	wee77777wee-hue	CPPg++13.3.0	Success	5,113+89.43 RP
Oct 14, 2025 10:18	wee77777wee-hue	CPPg++13.3.0	Success	5,381
Oct 14, 2025 10:14	wee77777wee-hue	CPPg++13.3.0	Success	6,356
Oct 14, 2025 10:13	wee77777wee-hue	CPPg++13.3.0	Success	5,699
Oct 14, 2025 10:13	wee77777wee-hue	CPPg++13.3.0	Success	5,680
Oct 14, 2025 10:13	wee77777wee-hue	CPPg++13.3.0	Success	5,674
Oct 14, 2025 10:12	wee77777wee-hue	CPPg++13.3.0	Success	5,359
Oct 14, 2025 10:07	wee77777wee-hue	CPPg++13.3.0	Success	5,696
Oct 14, 2025 10:06	wee77777wee-hue	CPPg++13.3.0	Success	15,834
Oct 14, 2025 10:06	wee77777wee-hue	CPPg++13.3.0	Success	15,837
Oct 14, 2025 10:05	wee77777wee-hue	CPPg++13.3.0	Success	5,649
Oct 14, 2025 10:02	wee77777wee-hue	CPPg++13.3.0	Success	5,597
Oct 14, 2025 10:01	wee77777wee-hue	CPPg++13.3.0	Success	5,736
Oct 14, 2025 10:01	wee77777wee-hue	CPPg++13.3.0	Error
Oct 14, 2025 10:00	wee77777wee-hue	CPPg++13.3.0	Success	5,837
Oct 14, 2025 09:57	wee77777wee-hue	CPPg++13.3.0	Success	5,358+129.65 RP
Oct 14, 2025 09:56	wee77777wee-hue	CPPg++13.3.0	Success	5,758+113.07 RP
Oct 14, 2025 09:52	wee77777wee-hue	CPPg++13.3.0	Success	6,159+13.07 RP
Oct 14, 2025 09:50	wee77777wee-hue	CPPg++13.3.0	Success	6,209+13.38 RP
Oct 14, 2025 09:49	wee77777wee-hue	CPPg++13.3.0	Success	6,261+1'597.19 RP
Oct 12, 2025 20:11	caando	CPPg++13.3.0	Success	4,744
Oct 12, 2025 20:08	caando	CPPg++13.3.0	Success	4,786
Oct 12, 2025 20:06	caando	CPPg++13.3.0	Success	4,785
Oct 12, 2025 20:06	caando	CPPg++13.3.0	Success	5,198
Oct 12, 2025 20:05	caando	CPPg++13.3.0	Success	5,480
Oct 12, 2025 20:05	caando	CPPg++13.3.0	Success	4,772
Oct 12, 2025 20:04	caando	CPPg++13.3.0	Success	4,880
Oct 12, 2025 20:03	caando	CPPg++13.3.0	Success	4,657
Oct 12, 2025 20:01	caando	CPPg++13.3.0	Success	4,648+4.62 RP
Oct 12, 2025 20:01	caando	CPPg++13.3.0	Success	4,961
Oct 12, 2025 19:53	caando	CPPg++13.3.0	Success	4,658+16.92 RP
Oct 12, 2025 19:41	caando	CPPg++13.3.0	Success	4,794
Oct 12, 2025 19:30	caando	CPPg++13.3.0	Success	4,854
Oct 12, 2025 19:23	caando	CPPg++13.3.0	Success	4,695+2'129.93 RP
Oct 10, 2025 13:51	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:50	Flavio Milinanni	CPPg++13.3.0	Success	11,198+261.15 RP
Oct 10, 2025 13:48	Flavio Milinanni	CPPg++13.3.0	Success	16,964
Oct 10, 2025 13:46	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:46	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:45	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:45	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:44	Flavio Milinanni	CPPg++13.3.0	Success	15,826+617.72 RP
Oct 10, 2025 13:41	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:40	Flavio Milinanni	CPPg++13.3.0	Success	708,998
Oct 10, 2025 13:39	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:38	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:37	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:37	Flavio Milinanni	CPPg++13.3.0	Success	729,063
Oct 10, 2025 13:36	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:29	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:28	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:25	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:24	Flavio Milinanni	CPPg++13.3.0	Error
Oct 10, 2025 13:19	Flavio Milinanni	CPPg++13.3.0	Success	706,459+10.87 RP
Oct 10, 2025 13:15	Flavio Milinanni	CPPg++13.3.0	Error

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