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 listApr 7, 2025 10:02

Chandrasekaran AkashScore: 4,355Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 6, 2025 16:03	4,337	46,513,886	12,888,000	991,000	2,506,752
2	Apr 6, 2025 16:03	4,338	35,633,830	12,892,000	991,000	2,502,656
3	Apr 6, 2025 16:03	4,339	29,429,745	12,894,000	991,000	2,502,656
4	Apr 6, 2025 15:15	4,339	29,790,194	13,886,000	0	2,506,752
5	Apr 6, 2025 15:51	4,340	28,480,463	13,888,000	0	2,506,752
6	Apr 6, 2025 15:15	4,340	39,770,170	13,888,000	0	2,277,376
7	Apr 6, 2025 16:03	4,341	48,794,125	13,890,000	0	2,502,656
8	Apr 6, 2025 15:01	4,342	29,707,367	12,901,000	992,000	2,506,752
9	Apr 6, 2025 15:51	4,342	31,581,506	12,901,000	992,000	2,506,752
10	Apr 6, 2025 15:02	4,343	33,161,335	13,898,000	0	2,506,752
11	Apr 6, 2025 15:15	4,345	31,393,658	12,911,000	993,000	2,506,752
12	Apr 6, 2025 15:15	4,345	31,068,633	12,910,000	993,000	2,277,376
13	Apr 6, 2025 14:58	4,347	29,323,432	12,918,000	993,000	2,277,376
14	Apr 6, 2025 15:15	4,350	34,685,969	12,927,000	994,000	2,506,752
15	Apr 6, 2025 15:51	4,350	28,726,807	13,920,000	0	2,273,280
16	Apr 7, 2025 10:02	4,350	32,832,602	12,926,000	994,000	2,506,752
17	Apr 7, 2025 02:47	4,351	31,162,279	12,928,000	994,000	2,273,280
18	Apr 6, 2025 15:02	4,351	27,899,524	12,930,000	994,000	2,277,376
19	Apr 6, 2025 15:15	4,353	48,144,532	12,935,000	995,000	2,277,376
20	Apr 6, 2025 16:03	4,354	30,241,161	12,937,000	995,000	2,277,376
21	Apr 6, 2025 15:01	4,354	28,235,081	12,937,000	995,000	2,273,280
22	Apr 6, 2025 15:51	4,355	29,291,778	12,940,000	995,000	2,277,376
23	Apr 7, 2025 02:47	4,356	32,368,332	12,944,000	995,000	2,535,424
24	Apr 6, 2025 15:51	4,356	35,627,012	12,945,000	995,000	2,506,752
25	Apr 6, 2025 14:58	4,357	29,379,069	12,947,000	995,000	2,277,376
26	Apr 6, 2025 15:51	4,359	30,117,226	12,954,000	996,000	2,498,560
27	Apr 6, 2025 16:03	4,360	40,297,132	12,955,000	996,000	2,277,376
28	Apr 6, 2025 16:03	4,360	33,251,537	12,957,000	996,000	2,506,752
29	Apr 6, 2025 15:15	4,361	32,801,005	12,959,000	996,000	2,273,280
30	Apr 7, 2025 10:02	4,363	38,619,218	12,963,000	997,000	2,277,376
31	Apr 6, 2025 15:15	4,363	35,714,768	12,965,000	997,000	2,277,376
32	Apr 6, 2025 15:15	4,364	30,188,125	12,968,000	997,000	2,277,376
33	Apr 6, 2025 16:03	4,364	37,925,321	12,969,000	997,000	2,277,376
34	Apr 6, 2025 15:02	4,364	30,109,143	12,967,000	997,000	2,273,280
35	Apr 6, 2025 15:51	4,365	30,228,367	11,973,000	1,995,000	2,277,376
36	Apr 7, 2025 10:02	4,366	30,231,237	12,974,000	998,000	2,273,280
37	Apr 6, 2025 15:01	4,367	32,603,183	12,975,000	998,000	2,277,376
38	Apr 6, 2025 14:58	4,367	29,155,244	12,975,000	998,000	2,277,376
39	Apr 7, 2025 02:47	4,369	38,410,818	12,982,000	998,000	2,277,376
40	Apr 6, 2025 15:51	4,370	29,521,640	12,985,000	998,000	2,506,752
41	Apr 6, 2025 15:51	4,384	35,852,534	13,027,000	1,002,000	2,502,656
42	Apr 6, 2025 16:03	4,387	33,523,677	13,036,000	1,002,000	2,277,376

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