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
Jan 1, 2026 23:03	Hattonuri	CPPg++13.3.0	Success	4,464
Jan 1, 2026 21:07	Josu San Martin	RUSTrust-1.92.0	Error
Jan 1, 2026 07:03	Josu San Martin	CPPg++13.3.0	Success	5,274
Jan 1, 2026 01:14	Josu San Martin	GOgo1.25.5	Success	44,794
Jan 1, 2026 01:05	Josu San Martin	GOgo1.25.5	Success	26,121
Jan 1, 2026 00:55	Josu San Martin	GOgo1.25.5	Error
Jan 1, 2026 00:49	Josu San Martin	GOgo1.25.5	Success	51,945
Jan 1, 2026 00:48	Josu San Martin	CPPg++13.3.0	Success	5,278
Jan 1, 2026 00:44	Josu San Martin	GOgo1.25.5	Error
Jan 1, 2026 00:37	Josu San Martin	CPPg++13.3.0	Success	4,473
Jan 1, 2026 00:18	Josu San Martin	CPPg++13.3.0	Success	4,418
Jan 1, 2026 00:16	Josu San Martin	CPPg++13.3.0	Success	4,526
Dec 31, 2025 23:55	Josu San Martin	CPPg++13.3.0	Success	4,465
Dec 31, 2025 23:52	Josu San Martin	CPPg++13.3.0	Error
Dec 31, 2025 23:49	Josu San Martin	RUSTrust-1.92.0	Success	5,215
Dec 31, 2025 23:46	Josu San Martin	CPPg++13.3.0	Success	4,767
Dec 31, 2025 23:45	Josu San Martin	RUSTrust-1.92.0	Success	4,598
Dec 31, 2025 23:42	Josu San Martin	CPPg++13.3.0	Error
Dec 31, 2025 23:42	Josu San Martin	RUSTrust-1.92.0	Success	4,552
Dec 31, 2025 23:39	Josu San Martin	RUSTrust-1.92.0	Success	4,551
Dec 31, 2025 23:38	Josu San Martin	CPPg++13.3.0	Success	4,575
Dec 31, 2025 22:00	Павел Ратманов	CPPg++13.3.0	Success	5,897
Dec 31, 2025 21:58	Павел Ратманов	CPPg++13.3.0	Success	5,832+613.36 RP
Dec 31, 2025 21:18	Павел Ратманов	CPPg++13.3.0	Error
Dec 31, 2025 20:44	Павел Ратманов	CPPg++13.3.0	Success	9,080+97.61 RP
Dec 31, 2025 14:27	parastrom	RUSTrust-1.92.0	Success	4,514
Dec 31, 2025 14:26	parastrom	RUSTrust-1.92.0	Success	4,683
Dec 31, 2025 14:23	Josu San Martin	CPPclang++18.1.3	Success	4,417
Dec 31, 2025 14:23	Josu San Martin	CPPg++13.3.0	Success	4,423
Dec 31, 2025 14:22	Josu San Martin	CPPg++13.3.0	Success	4,428
Dec 31, 2025 14:22	Josu San Martin	CPPg++13.3.0	Success	4,415+1.54 RP
Dec 31, 2025 14:22	Josu San Martin	CPPg++13.3.0	Success	4,426
Dec 31, 2025 14:18	Josu San Martin	RUSTrust-1.92.0	Success	4,520
Dec 31, 2025 14:18	Josu San Martin	RUSTrust-1.92.0	Success	4,508
Dec 31, 2025 14:13	Josu San Martin	CPPg++13.3.0	Success	4,418+12.74 RP
Dec 31, 2025 14:09	parastrom	RUSTrust-1.92.0	Success	4,604
Dec 31, 2025 14:08	Josu San Martin	CPPg++13.3.0	Success	4,516
Dec 31, 2025 14:08	parastrom	RUSTrust-1.92.0	Success	4,688
Dec 31, 2025 14:02	parastrom	RUSTrust-1.92.0	Success	4,682
Dec 31, 2025 14:02	Josu San Martin	CPPg++13.3.0	Success	4,549
Dec 31, 2025 13:58	parastrom	RUSTrust-1.92.0	Success	4,510+16.11 RP
Dec 31, 2025 12:53	parastrom	RUSTrust-1.92.0	Success	4,956
Dec 31, 2025 12:49	parastrom	RUSTrust-1.92.0	Success	5,945
Dec 31, 2025 12:42	parastrom	RUSTrust-1.92.0	Success	4,546
Dec 31, 2025 12:41	parastrom	RUSTrust-1.86.0	Success	5,802
Dec 31, 2025 12:39	parastrom	RUSTrust-1.92.0	Success	5,806
Dec 31, 2025 10:35	Keefe	CPPg++13.3.0	Success	5,272
Dec 31, 2025 10:18	Aman \| अमन	CPPg++13.3.0	Success	5,065
Dec 31, 2025 10:18	Aman \| अमन	CPPg++13.3.0	Success	5,038+0.39 RP
Dec 31, 2025 10:17	Aman \| अमन	CPPg++13.3.0	Success	5,039
Dec 31, 2025 10:14	Aman \| अमन	CPPg++13.3.0	Success	5,039+97.02 RP
Dec 31, 2025 10:13	Aman \| अमन	CPPg++13.3.0	Success	5,308
Dec 31, 2025 10:13	Aman \| अमन	CPPg++13.3.0	Success	5,298+92.17 RP
Dec 31, 2025 10:09	Aman \| अमन	CPPg++13.3.0	Success	5,646
Dec 31, 2025 10:09	Aman \| अमन	CPPg++13.3.0	Success	5,662
Dec 31, 2025 10:09	Aman \| अमन	CPPg++13.3.0	Success	5,648
Dec 31, 2025 10:06	Aman \| अमन	CPPg++13.3.0	Success	5,985
Dec 31, 2025 09:51	Keefe	RUSTrust-1.92.0	Success	19,233
Dec 31, 2025 09:41	Keefe	RUSTrust-1.92.0	Success	4,552
Dec 31, 2025 06:27	Josu San Martin	CPPg++13.3.0	Success	4,452
Dec 31, 2025 06:26	Josu San Martin	CPPg++13.3.0	Success	4,460
Dec 31, 2025 05:42	Josu San Martin	CPPg++13.3.0	Success	4,575
Dec 31, 2025 05:42	Josu San Martin	CPPg++13.3.0	Success	4,574
Dec 31, 2025 05:41	Josu San Martin	CPPg++13.3.0	Success	4,514
Dec 31, 2025 05:27	Josu San Martin	CPPg++13.3.0	Success	4,466
Dec 31, 2025 05:27	Josu San Martin	CPPg++13.3.0	Success	4,443+5.56 RP
Dec 31, 2025 05:25	Josu San Martin	CPPg++13.3.0	Success	4,483
Dec 31, 2025 05:25	Josu San Martin	RUSTrust-1.92.0	Success	4,498
Dec 31, 2025 05:19	Josu San Martin	RUSTrust-1.92.0	Success	4,503
Dec 31, 2025 05:19	Josu San Martin	CPPg++13.3.0	Success	4,464
Dec 31, 2025 05:17	Josu San Martin	CPPg++13.3.0	Success	5,277
Dec 31, 2025 05:16	Josu San Martin	CPPg++13.3.0	Success	4,454+2.01 RP
Dec 31, 2025 05:13	Josu San Martin	CPPg++13.3.0	Success	4,458+3.01 RP
Dec 31, 2025 05:13	Josu San Martin	RUSTrust-1.92.0	Success	4,489
Dec 31, 2025 05:09	Josu San Martin	RUSTrust-1.92.0	Success	4,486+2.48 RP
Dec 31, 2025 05:09	Josu San Martin	CPPg++13.3.0	Success	4,500
Dec 31, 2025 05:08	Josu San Martin	CPPg++13.3.0	Success	4,478
Dec 31, 2025 05:05	Josu San Martin	CPPg++13.3.0	Success	4,468
Dec 31, 2025 05:04	Josu San Martin	CPPg++13.3.0	Success	4,483
Dec 31, 2025 05:04	Josu San Martin	CPPg++13.3.0	Success	4,503
Dec 31, 2025 05:03	Josu San Martin	CPPg++13.3.0	Success	4,495
Dec 31, 2025 05:03	Josu San Martin	CPPg++13.3.0	Success	4,503
Dec 31, 2025 05:03	Josu San Martin	CPPg++13.3.0	Success	4,502
Dec 31, 2025 05:00	Josu San Martin	RUSTrust-1.92.0	Success	4,491+2.97 RP
Dec 31, 2025 05:00	Josu San Martin	CPPg++13.3.0	Success	4,466
Dec 31, 2025 04:57	Josu San Martin	RUSTrust-1.92.0	Success	4,497+16.20 RP
Dec 31, 2025 04:55	Josu San Martin	CPPg++13.3.0	Success	4,648
Dec 31, 2025 04:53	Josu San Martin	CPPg++13.3.0	Success	4,464+61.97 RP
Dec 31, 2025 04:52	Josu San Martin	CPPg++13.3.0	Success	4,596
Dec 31, 2025 04:50	Josu San Martin	CPPg++13.3.0	Success	4,591+191.29 RP
Dec 31, 2025 04:49	Josu San Martin	CPPg++13.3.0	Success	5,033
Dec 31, 2025 04:47	Josu San Martin	CPPg++13.3.0	Success	5,420
Dec 31, 2025 04:47	Josu San Martin	RUSTrust-1.92.0	Success	5,048
Dec 31, 2025 04:46	Josu San Martin	RUSTrust-1.92.0	Error
Dec 31, 2025 04:45	Josu San Martin	RUSTrust-1.92.0	Error
Dec 31, 2025 04:44	Josu San Martin	CPPg++13.3.0	Success	5,431
Dec 31, 2025 04:43	Josu San Martin	RUSTrust-1.92.0	Success	5,518
Dec 31, 2025 04:42	Josu San Martin	CPPg++13.3.0	Success	5,408
Dec 31, 2025 04:39	Josu San Martin	RUSTrust-1.92.0	Success	6,518
Dec 31, 2025 04:38	Josu San Martin	CPPg++13.3.0	Success	5,203

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