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 16, 2025 01:30

Chandrasekaran AkashScore: 4,352Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 7, 2025 16:50	4,333	34,526,005	12,877,000	990,000	2,277,376
2	Apr 7, 2025 13:30	4,337	36,262,489	12,888,000	991,000	2,277,376
3	Apr 7, 2025 13:30	4,337	32,254,284	12,888,000	991,000	2,277,376
4	Apr 7, 2025 13:30	4,338	34,215,588	12,891,000	991,000	2,277,376
5	Apr 7, 2025 12:18	4,338	26,642,438	13,883,000	0	2,510,848
6	Apr 7, 2025 13:11	4,339	30,256,469	12,895,000	991,000	2,277,376
7	Apr 7, 2025 11:42	4,340	35,010,858	12,897,000	992,000	2,506,752
8	Apr 7, 2025 13:30	4,341	28,309,298	12,898,000	992,000	2,506,752
9	Apr 7, 2025 16:50	4,342	27,650,275	12,902,000	992,000	2,506,752
10	Apr 7, 2025 11:42	4,342	29,851,002	12,902,000	992,000	2,506,752
11	Apr 7, 2025 14:14	4,343	38,794,275	12,907,000	992,000	2,510,848
12	Apr 7, 2025 13:11	4,343	31,461,878	12,904,000	992,000	2,277,376
13	Apr 7, 2025 13:11	4,343	32,036,837	12,906,000	992,000	2,277,376
14	Apr 16, 2025 01:30	4,345	30,336,353	12,912,000	993,000	2,506,752
15	Apr 7, 2025 12:18	4,346	31,014,523	12,915,000	993,000	2,510,848
16	Apr 7, 2025 13:03	4,346	33,399,364	12,914,000	993,000	2,506,752
17	Apr 7, 2025 10:04	4,346	30,952,159	12,914,000	993,000	2,277,376
18	Apr 7, 2025 10:04	4,347	37,324,075	12,918,000	993,000	2,510,848
19	Apr 7, 2025 13:11	4,347	29,351,188	12,917,000	993,000	2,277,376
20	Apr 7, 2025 14:14	4,348	31,080,799	12,919,000	993,000	2,510,848
21	Apr 7, 2025 13:03	4,351	47,923,893	12,929,000	994,000	2,510,848
22	Apr 7, 2025 13:11	4,352	29,390,646	12,933,000	994,000	2,506,752
23	Apr 7, 2025 10:04	4,352	33,206,576	13,925,000	0	2,506,752
24	Apr 7, 2025 13:30	4,353	33,020,507	12,935,000	995,000	2,273,280
25	Apr 7, 2025 14:14	4,354	31,888,591	12,939,000	995,000	2,277,376
26	Apr 7, 2025 12:18	4,355	37,543,067	12,942,000	995,000	2,506,752
27	Apr 8, 2025 23:30	4,357	34,599,033	12,946,000	995,000	2,506,752
28	Apr 8, 2025 23:30	4,358	29,223,149	12,951,000	996,000	2,273,280
29	Apr 7, 2025 11:42	4,358	33,525,275	12,949,000	996,000	2,506,752
30	Apr 7, 2025 10:04	4,359	27,768,145	12,954,000	996,000	2,277,376
31	Apr 8, 2025 23:30	4,361	27,077,014	12,958,000	996,000	2,273,280
32	Apr 7, 2025 13:03	4,363	35,188,463	12,966,000	997,000	2,510,848
33	Apr 7, 2025 13:30	4,363	38,123,778	12,966,000	997,000	2,510,848
34	Apr 7, 2025 13:30	4,365	43,278,655	12,972,000	997,000	2,277,376
35	Apr 7, 2025 10:04	4,367	31,646,674	12,977,000	998,000	2,506,752
36	Apr 7, 2025 16:50	4,372	36,384,663	12,992,000	999,000	2,506,752
37	Apr 7, 2025 13:30	4,373	40,451,009	12,994,000	999,000	2,506,752
38	Apr 7, 2025 13:30	4,376	31,895,208	13,003,000	1,000,000	2,502,656
39	Apr 7, 2025 10:04	4,378	33,847,503	13,009,000	1,000,000	2,506,752
40	Apr 7, 2025 13:11	4,400	28,229,437	12,068,000	2,011,000	2,277,376
41	Apr 16, 2025 01:30	4,412	33,625,956	13,109,000	1,008,000	2,277,376
42	Apr 16, 2025 01:30	4,455	42,205,573	13,238,000	1,018,000	2,506,752

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