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
Aug 17, 2026 03:10	ryanfanchiotti	CPPg++10.5.0	Success	5,505+26.98 RP
Aug 17, 2026 01:01	ryanfanchiotti	CPPg++10.5.0	Success	5,595
Aug 17, 2026 00:11	ryanfanchiotti	CPPclang++20.1.2	Success	5,682
Aug 17, 2026 00:11	ryanfanchiotti	CPPclang++20.1.2	Success	5,689
Aug 16, 2026 23:53	ryanfanchiotti	CPPg++10.5.0	Success	5,588+925.39 RP
Aug 16, 2026 23:43	ryanfanchiotti	CPPclang++20.1.2	Error
Aug 16, 2026 23:17	ryanfanchiotti	CPPg++14.2.0	Success	11,572+864.15 RP
Aug 16, 2026 22:58	Tomislav Tunkovic	ZIG0.15.1	Success	4,170
Aug 16, 2026 22:57	Tomislav Tunkovic	RUSTrust-1.95.0	Success	4,310
Aug 16, 2026 22:57	Tomislav Tunkovic	GOgo1.26.2	Success	138,417
Aug 16, 2026 19:44	marko1597	CPPg++14.2.0	Error
Aug 16, 2026 19:42	marko1597	CPPg++14.2.0	Success	60,670
Aug 16, 2026 19:36	marko1597	CPPg++14.2.0	Success	4,258+23.48 RP
Aug 16, 2026 19:36	marko1597	CPPg++14.2.0	Success	56,232
Aug 16, 2026 19:33	marko1597	CPPg++14.2.0	Success	69,851
Aug 16, 2026 19:33	marko1597	CPPg++14.2.0	Success	4,301+88.40 RP
Aug 16, 2026 19:27	marko1597	CPPg++14.2.0	Success	60,091
Aug 16, 2026 19:24	marko1597	CPPg++14.2.0	Success	69,365
Aug 16, 2026 19:20	marko1597	CPPg++14.2.0	Success	4,476
Aug 16, 2026 19:20	marko1597	CPPg++14.2.0	Success	4,471+5.49 RP
Aug 16, 2026 19:02	marko1597	CPPg++14.2.0	Success	71,565
Aug 16, 2026 19:02	marko1597	CPPg++14.2.0	Success	4,482+2'231.15 RP
Aug 16, 2026 18:48	marko1597	CPPg++14.2.0	Error
Aug 16, 2026 18:48	marko1597	CPPg++14.2.0	Error
Aug 15, 2026 20:07	Tomislav Tunkovic	CPPclang++19.1.1	Success	4,155
Aug 15, 2026 20:05	Tomislav Tunkovic	CPPg++13.3.0	Success	4,167
Aug 15, 2026 20:03	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,171
Aug 15, 2026 19:50	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,172
Aug 15, 2026 17:24	Cyrus Knopf	CPPclang++20.1.2	Success	5,332
Aug 15, 2026 16:23	Cyrus Knopf	CPPg++10.5.0	Success	5,310
Aug 15, 2026 12:14	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,156
Aug 15, 2026 12:10	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,155
Aug 15, 2026 12:03	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,150+6.37 RP
Aug 15, 2026 11:54	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,161+57.50 RP
Aug 15, 2026 11:39	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,263+40.56 RP
Aug 15, 2026 06:29	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,338+2.12 RP
Aug 15, 2026 00:14	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,473
Aug 15, 2026 00:08	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,352
Aug 15, 2026 00:06	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,342+2.12 RP
Aug 15, 2026 00:02	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,409
Aug 14, 2026 23:29	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,346+14.21 RP
Aug 14, 2026 23:25	Tomislav Tunkovic	CPPclang++20.1.2	Success	5,266
Aug 14, 2026 23:21	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,449
Aug 14, 2026 23:05	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,373+9.89 RP
Aug 14, 2026 23:01	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,392+16.47 RP
Aug 14, 2026 22:51	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,424+2.55 RP
Aug 14, 2026 22:28	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,570
Aug 14, 2026 22:16	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,429+6.10 RP
Aug 14, 2026 22:11	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,945
Aug 14, 2026 22:06	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,441+4.55 RP
Aug 14, 2026 22:02	Tomislav Tunkovic	CPPclang++20.1.2	Success	4,464
Aug 14, 2026 21:54	Tomislav Tunkovic	CPPg++14.2.0	Success	4,450+117.72 RP
Aug 14, 2026 21:44	Tomislav Tunkovic	CPPg++14.2.0	Success	4,696+2'129.47 RP
Aug 13, 2026 17:29	zielaj	CPPclang++20.1.2	Error
Aug 13, 2026 17:27	zielaj	CPPclang++20.1.2	Success	3,964
Aug 13, 2026 17:22	zielaj	CPPclang++20.1.2	Error
Aug 13, 2026 17:21	zielaj	CPPclang++20.1.2	Error
Aug 13, 2026 17:19	zielaj	CPPclang++20.1.2	Success	3,960
Aug 12, 2026 21:07	Cyrus Knopf	CPPg++10.5.0	Success	5,293
Aug 12, 2026 21:04	Cyrus Knopf	CPPg++10.5.0	Success	5,281+1'291.06 RP
Aug 9, 2026 15:13	Cyrus Knopf	CPPg++10.5.0	Success	16,606
Aug 9, 2026 15:06	Cyrus Knopf	CPPg++10.5.0	Error
Aug 9, 2026 15:03	Cyrus Knopf	CPPg++10.5.0	Error
Aug 9, 2026 12:07	Cyrus Knopf	CPPg++14.2.0	Success	16,604
Aug 9, 2026 11:30	Cyrus Knopf	CPPg++10.5.0	Success	16,597+602.52 RP
Aug 8, 2026 14:18	zielaj	CPPclang++20.1.2	Success	3,961
Aug 8, 2026 14:14	zielaj	CPPclang++20.1.2	Success	3,961
Aug 8, 2026 14:12	zielaj	CPPclang++20.1.2	Success	3,961
Aug 8, 2026 13:59	zielaj	CPPclang++20.1.2	Success	3,967
Aug 8, 2026 13:56	zielaj	CPPclang++20.1.2	Success	3,954+10.21 RP
Aug 4, 2026 18:51	C21	CPPclang++20.1.2	Success	7,595+108.63 RP
Aug 4, 2026 18:49	C21	CPPclang++20.1.2	Error
Aug 4, 2026 18:35	C21	CPPclang++20.1.2	Success	8,278+12.28 RP
Aug 4, 2026 18:30	C21	CPPg++14.2.0	Success	8,363+535.11 RP
Aug 4, 2026 15:37	C21	CPPg++10.5.0	Success	15,137+418.36 RP
Aug 4, 2026 15:29	C21	CPPg++14.2.0	Success	41,275+2.53 RP
Aug 4, 2026 15:02	C21	CPPg++14.2.0	Success	41,711+2.69 RP
Aug 4, 2026 15:01	C21	CPPg++10.5.0	Success	42,303
Aug 4, 2026 14:59	C21	CPPg++10.5.0	Error
Aug 4, 2026 13:15	C21	CPPg++10.5.0	Success	42,185+38.76 RP
Aug 4, 2026 12:25	C21	CPPg++10.5.0	Success	66,401
Aug 4, 2026 11:16	C21	CPPg++14.2.0	Success	50,430+203.29 RP
Aug 4, 2026 06:34	Teow Hua Jun	CPPg++14.2.0	Success	4,316
Aug 4, 2026 06:32	Teow Hua Jun	CPPclang++20.1.2	Success	4,323
Aug 4, 2026 06:25	Teow Hua Jun	CPPg++14.2.0	Success	4,204+52.02 RP
Aug 4, 2026 05:42	limanjun99	CPPg++14.2.0	Error	+103.77 RP
Aug 4, 2026 05:34	Teow Hua Jun	CPPg++14.2.0	Success	4,422
Aug 4, 2026 05:33	Teow Hua Jun	CPPg++14.2.0	Success	4,298+1.62 RP
Aug 4, 2026 05:26	Teow Hua Jun	CPPg++14.2.0	Success	4,755
Aug 4, 2026 05:23	Teow Hua Jun	CPPg++14.2.0	Success	4,301+284.22 RP
Aug 4, 2026 03:46	Teow Hua Jun	CPPclang++20.1.2	Success	5,218+5.00 RP
Aug 3, 2026 17:24	Teow Hua Jun	CPPg++14.2.0	Success	4,900+98.31 RP
Aug 3, 2026 17:14	Teow Hua Jun	CPPg++14.2.0	Error
Aug 3, 2026 17:07	Teow Hua Jun	CPPg++14.2.0	Success	5,148+1'942.50 RP
Aug 3, 2026 14:34	Suhas Narreddy	CPPg++10.5.0	Success	16,429+0.30 RP
Aug 3, 2026 14:26	Suhas Narreddy	CPPg++10.5.0	Success	16,437+408.69 RP
Aug 3, 2026 12:20	Suhas Narreddy	CPPg++10.5.0	Success	50,077+196.33 RP
Aug 3, 2026 10:20	Victor Mercklé	CPPg++14.2.0	Success	4,165
Aug 3, 2026 10:13	Victor Mercklé	CPPg++14.2.0	Success	4,103
Aug 3, 2026 10:08	Victor Mercklé	CPPg++14.2.0	Success	4,150

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