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
Jul 1, 2026 17:59	Ilya	CPPg++13.3.0	Success	4,311
Jul 1, 2026 17:57	Ilya	CPPg++13.3.0	Success	4,321
Jul 1, 2026 17:18	Victor Mercklé	CPPg++14.2.0	Success	4,189
Jul 1, 2026 17:13	Victor Mercklé	CPPg++14.2.0	Success	4,202
Jul 1, 2026 17:08	Ilya	CPPclang++20.1.2	Success	4,571
Jul 1, 2026 17:08	Ilya	CPPg++12.4.0	Success	4,306
Jul 1, 2026 17:08	Ilya	CPPg++14.2.0	Success	4,304
Jul 1, 2026 17:07	Ilya	CPPg++10.5.0	Success	4,312
Jul 1, 2026 17:07	Ilya	CPPclang++16.0.6	Success	4,577
Jul 1, 2026 17:07	Victor Mercklé	CPPg++14.2.0	Success	4,186
Jul 1, 2026 17:06	Ilya	CPPg++13.3.0	Success	4,299
Jul 1, 2026 17:05	Ilya	CPPg++13.3.0	Error
Jul 1, 2026 17:00	Victor Mercklé	CPPg++14.2.0	Success	4,187
Jul 1, 2026 04:56	Victor Mercklé	CPPg++14.2.0	Success	4,262
Jul 1, 2026 04:45	Victor Mercklé	CPPg++14.2.0	Success	4,181
Jul 1, 2026 04:40	Victor Mercklé	CPPg++14.2.0	Success	4,194
Jul 1, 2026 04:35	Victor Mercklé	CPPg++14.2.0	Success	4,204
Jul 1, 2026 04:30	Victor Mercklé	CPPg++14.2.0	Success	4,211
Jul 1, 2026 04:25	Victor Mercklé	CPPg++14.2.0	Success	4,207
Jul 1, 2026 04:18	Victor Mercklé	CPPg++14.2.0	Success	4,195
Jul 1, 2026 04:12	Victor Mercklé	CPPg++14.2.0	Success	4,192
Jul 1, 2026 04:04	Victor Mercklé	CPPg++14.2.0	Success	4,222
Jun 30, 2026 21:36	Adam Folwarczny	CPPg++14.2.0	Error
Jun 30, 2026 21:27	Adam Folwarczny	CPPg++14.2.0	Success	4,806
Jun 30, 2026 21:19	Adam Folwarczny	CPPg++14.2.0	Error	+0.63 RP
Jun 30, 2026 21:18	Adam Folwarczny	CPPg++14.2.0	Error
Jun 30, 2026 21:15	Adam Folwarczny	CPPclang++20.1.2	Error
Jun 30, 2026 21:13	Adam Folwarczny	CPPg++14.2.0	Error
Jun 30, 2026 21:09	Adam Folwarczny	CPPg++14.2.0	Error	+0.63 RP
Jun 30, 2026 20:57	Adam Folwarczny	CPPclang++20.1.2	Error
Jun 30, 2026 20:56	Adam Folwarczny	CPPg++14.2.0	Error	+0.63 RP
Jun 30, 2026 20:34	Adam Folwarczny	CPPclang++20.1.2	Error
Jun 30, 2026 20:16	Adam Folwarczny	CPPg++14.2.0	Error	+100.34 RP
Jun 30, 2026 15:28	seriouscoder43	CPPclang++20.1.2	Success	42,015+0.20 RP
Jun 30, 2026 15:08	seriouscoder43	CPPclang++20.1.2	Success	42,060
Jun 30, 2026 15:07	seriouscoder43	CPPclang++20.1.2	Success	42,050+1.09 RP
Jun 30, 2026 15:05	seriouscoder43	CPPclang++20.1.2	Success	42,243+2.52 RP
Jun 30, 2026 15:04	seriouscoder43	CPPclang++20.1.2	Success	43,265
Jun 30, 2026 15:02	seriouscoder43	CPPclang++20.1.2	Success	42,697+130.67 RP
Jun 30, 2026 14:59	seriouscoder43	CPPg++10.5.0	Success	96,585+103.54 RP
Jun 30, 2026 12:47	Victor Mercklé	CPPg++14.2.0	Success	4,204
Jun 30, 2026 12:42	Victor Mercklé	CPPg++14.2.0	Success	4,204
Jun 30, 2026 12:36	Victor Mercklé	CPPg++14.2.0	Success	4,198
Jun 30, 2026 12:31	Victor Mercklé	CPPg++14.2.0	Success	4,197
Jun 29, 2026 14:35	Victor Mercklé	CPPg++14.2.0	Success	4,210
Jun 29, 2026 14:24	Victor Mercklé	CPPg++14.2.0	Success	5,226
Jun 28, 2026 21:22	Victor Mercklé	CPPg++14.2.0	Success	4,186
Jun 28, 2026 21:17	Victor Mercklé	CPPg++14.2.0	Success	4,165
Jun 28, 2026 21:12	Victor Mercklé	CPPg++14.2.0	Success	4,163+2.31 RP
Jun 28, 2026 21:07	Victor Mercklé	CPPg++14.2.0	Success	4,173
Jun 28, 2026 21:01	Victor Mercklé	CPPg++14.2.0	Success	4,179
Jun 28, 2026 20:56	Victor Mercklé	CPPg++14.2.0	Success	4,173
Jun 28, 2026 20:37	Victor Mercklé	CPPg++14.2.0	Success	4,224
Jun 28, 2026 20:32	Victor Mercklé	CPPg++14.2.0	Success	4,175
Jun 28, 2026 20:18	Victor Mercklé	CPPg++14.2.0	Success	4,174
Jun 28, 2026 18:54	Victor Mercklé	CPPg++14.2.0	Success	127,256
Jun 28, 2026 18:41	Victor Mercklé	CPPg++14.2.0	Success	4,215
Jun 28, 2026 18:36	Victor Mercklé	CPPg++14.2.0	Success	4,184
Jun 28, 2026 18:31	Victor Mercklé	CPPg++14.2.0	Success	4,182
Jun 28, 2026 18:21	Victor Mercklé	CPPg++14.2.0	Success	4,208
Jun 28, 2026 18:16	Victor Mercklé	CPPg++14.2.0	Success	4,221
Jun 28, 2026 17:30	Victor Mercklé	CPPg++14.2.0	Success	4,191
Jun 28, 2026 17:21	Victor Mercklé	CPPg++14.2.0	Success	4,186
Jun 28, 2026 17:16	Victor Mercklé	CPPg++14.2.0	Success	4,176
Jun 28, 2026 17:07	Victor Mercklé	CPPg++14.2.0	Success	4,172
Jun 28, 2026 17:00	Victor Mercklé	CPPg++14.2.0	Success	4,187
Jun 28, 2026 16:55	Victor Mercklé	CPPg++14.2.0	Success	4,190
Jun 28, 2026 16:50	Victor Mercklé	CPPg++14.2.0	Success	4,195
Jun 28, 2026 16:45	Victor Mercklé	CPPg++14.2.0	Success	4,171
Jun 28, 2026 13:13	Victor Mercklé	CPPg++14.2.0	Success	4,192
Jun 28, 2026 12:59	Victor Mercklé	CPPg++14.2.0	Success	4,207
Jun 28, 2026 12:54	Victor Mercklé	CPPg++14.2.0	Success	4,192
Jun 28, 2026 07:37	Victor Mercklé	CPPg++14.2.0	Success	4,193
Jun 28, 2026 07:28	Victor Mercklé	CPPg++14.2.0	Success	4,194
Jun 28, 2026 07:18	Victor Mercklé	CPPg++14.2.0	Success	4,188
Jun 27, 2026 18:07	Shikhar Soni	CPPg++14.2.0	Success	5,260
Jun 27, 2026 18:05	Shikhar Soni	CPPg++14.2.0	Success	5,127
Jun 27, 2026 18:05	Shikhar Soni	CPPg++14.2.0	Success	5,115
Jun 27, 2026 18:03	Shikhar Soni	CPPg++14.2.0	Success	5,115+2.67 RP
Jun 27, 2026 18:03	Shikhar Soni	CPPg++13.3.0	Success	5,280
Jun 27, 2026 18:02	Shikhar Soni	CPPclang++20.1.2	Success	5,425
Jun 27, 2026 17:58	Shikhar Soni	CPPg++14.2.0	Success	5,122+47.60 RP
Jun 27, 2026 17:55	Shikhar Soni	CPPg++14.2.0	Success	5,250+51.54 RP
Jun 27, 2026 17:53	Shikhar Soni	CPPg++14.2.0	Error
Jun 27, 2026 17:51	Shikhar Soni	CPPg++14.2.0	Success	5,712
Jun 27, 2026 17:51	Shikhar Soni	CPPg++14.2.0	Success	5,396+71.33 RP
Jun 27, 2026 17:50	Shikhar Soni	CPPclang++20.1.2	Success	5,612+6.33 RP
Jun 27, 2026 17:49	Shikhar Soni	CPPclang++20.1.2	Success	5,632+1'775.57 RP
Jun 27, 2026 10:13	Victor Mercklé	CPPg++14.2.0	Success	4,185
Jun 26, 2026 18:25	A_Shaman	CPPg++10.5.0	Success	5,257+0.72 RP
Jun 26, 2026 18:21	A_Shaman	CPPg++10.5.0	Success	5,259+10.79 RP
Jun 26, 2026 18:14	A_Shaman	CPPg++10.5.0	Success	5,742
Jun 26, 2026 18:09	A_Shaman	CPPg++10.5.0	Success	5,443
Jun 26, 2026 18:03	A_Shaman	CPPg++10.5.0	Success	10,727
Jun 26, 2026 15:17	Osnaga Octavian-Alexandru	CPPg++10.5.0	Success	50,910
Jun 26, 2026 15:15	Osnaga Octavian-Alexandru	CPPg++10.5.0	Error
Jun 26, 2026 15:15	Osnaga Octavian-Alexandru	CPPg++10.5.0	Error
Jun 26, 2026 15:14	Osnaga Octavian-Alexandru	CPPg++10.5.0	Error
Jun 26, 2026 15:13	Osnaga Octavian-Alexandru	CPPg++10.5.0	Error
Jun 26, 2026 15:09	Osnaga Octavian-Alexandru	CPPg++10.5.0	Success	50,876

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