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.

Back to listJun 9, 2024 16:58

джулис

Score: 5,584

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 9, 2024 16:58	5,516	43,660,721	16,613,000	1,038,000	2,371,584
2	Jun 9, 2024 16:58	5,523	46,677,576	17,674,000	0	2,293,760
3	Jun 9, 2024 19:06	5,525	44,326,830	16,641,000	1,040,000	2,293,760
4	Jun 9, 2024 19:06	5,527	39,199,765	16,646,000	1,040,000	2,367,488
5	Jun 9, 2024 16:58	5,531	45,608,737	16,658,000	1,041,000	2,293,760
6	Jun 9, 2024 16:58	5,533	44,863,833	17,704,000	0	2,293,760
7	Jun 9, 2024 19:06	5,533	43,390,596	17,707,000	0	2,367,488
8	Jun 9, 2024 16:58	5,534	31,589,024	17,708,000	0	2,383,872
9	Jun 9, 2024 16:58	5,535	33,406,371	17,712,000	0	2,293,760
10	Jun 9, 2024 19:06	5,535	47,933,101	17,712,000	0	2,363,392
11	Jun 9, 2024 16:58	5,537	49,747,154	16,677,000	1,042,000	2,293,760
12	Jun 9, 2024 19:06	5,539	38,114,893	16,684,000	1,042,000	2,375,680
13	Jun 9, 2024 16:58	5,575	45,036,693	16,849,000	991,000	2,371,584
14	Jun 9, 2024 16:58	5,577	47,821,981	15,863,000	1,982,000	2,367,488
15	Jun 9, 2024 19:06	5,579	32,045,590	15,870,000	1,983,000	2,375,680
16	Jun 9, 2024 16:58	5,579	34,617,957	15,869,000	1,983,000	2,379,776
17	Jun 9, 2024 16:58	5,580	44,276,675	17,857,000	0	2,293,760
18	Jun 9, 2024 19:06	5,583	49,720,556	16,873,000	992,000	2,371,584
19	Jun 9, 2024 16:58	5,584	43,967,594	16,876,000	992,000	2,293,760
20	Jun 9, 2024 19:06	5,585	47,816,737	16,880,000	992,000	2,375,680
21	Jun 9, 2024 16:58	5,587	45,905,780	16,884,000	993,000	2,293,760
22	Jun 9, 2024 16:58	5,587	42,374,300	15,892,000	1,986,000	2,371,584
23	Jun 9, 2024 19:06	5,588	46,218,484	15,896,000	1,987,000	2,293,760
24	Jun 9, 2024 16:58	5,588	46,126,675	15,895,000	1,986,000	2,375,680
25	Jun 9, 2024 16:58	5,592	46,839,883	16,900,000	994,000	2,293,760
26	Jun 9, 2024 16:58	5,593	43,582,667	16,902,000	994,000	2,375,680
27	Jun 9, 2024 16:58	5,593	34,715,551	16,903,000	994,000	2,293,760
28	Jun 9, 2024 19:06	5,753	65,182,859	18,408,590	0	2,244,608
29	Jun 9, 2024 19:06	5,763	91,878,284	18,440,377	0	2,244,608
30	Jun 9, 2024 16:58	5,772	88,862,994	18,471,104	0	2,236,416
31	Jun 9, 2024 16:58	5,774	84,926,943	18,476,242	0	2,232,320
32	Jun 9, 2024 16:58	5,779	91,425,064	18,491,902	0	2,244,608
33	Jun 9, 2024 16:58	5,779	92,808,140	18,493,308	0	2,371,584
34	Jun 9, 2024 16:58	5,782	92,104,802	18,502,778	0	2,244,608
35	Jun 9, 2024 19:06	5,788	95,643,442	18,521,420	0	2,379,776
36	Jun 9, 2024 16:58	5,800	67,306,534	18,559,636	0	2,248,704

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