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 listAug 7, 2024 03:09

zielaj

Score: 4,341

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	Aug 7, 2024 03:09	4,333	30,517,841	11,886,000	1,981,000	2,535,424
2	Aug 7, 2024 03:02	4,333	31,147,685	11,885,000	1,980,000	2,273,280
3	Aug 7, 2024 03:05	4,335	39,353,676	11,890,000	1,981,000	2,535,424
4	Aug 7, 2024 03:02	4,337	30,774,925	12,887,000	991,000	2,449,408
5	Aug 7, 2024 03:10	4,338	30,543,678	12,892,000	991,000	2,535,424
6	Aug 7, 2024 03:05	4,338	29,891,444	12,890,000	991,000	2,273,280
7	Aug 7, 2024 03:05	4,338	42,154,599	12,892,000	991,000	2,535,424
8	Aug 7, 2024 03:09	4,338	37,329,557	11,900,000	1,983,000	2,445,312
9	Aug 7, 2024 03:10	4,338	29,768,145	12,892,000	991,000	2,453,504
10	Aug 7, 2024 03:10	4,338	30,846,066	11,899,000	1,983,000	2,449,408
11	Aug 7, 2024 03:10	4,338	30,715,996	12,889,000	991,000	2,445,312
12	Aug 7, 2024 03:02	4,338	29,220,709	11,899,000	1,983,000	2,449,408
13	Aug 7, 2024 03:02	4,338	42,878,134	11,900,000	1,983,000	2,453,504
14	Aug 7, 2024 03:02	4,338	32,262,501	12,891,000	991,000	2,273,280
15	Aug 7, 2024 03:02	4,339	37,946,853	12,895,000	991,000	2,535,424
16	Aug 7, 2024 03:02	4,339	34,047,966	11,903,000	1,983,000	2,535,424
17	Aug 7, 2024 03:05	4,339	33,423,820	12,894,000	991,000	2,457,600
18	Aug 7, 2024 03:10	4,339	30,009,227	11,903,000	1,983,000	2,445,312
19	Aug 7, 2024 03:05	4,339	38,676,795	11,902,000	1,983,000	2,273,280
20	Aug 7, 2024 03:02	4,340	30,388,308	11,904,000	1,984,000	2,535,424
21	Aug 7, 2024 03:09	4,340	27,112,524	12,897,000	992,000	2,273,280
22	Aug 7, 2024 03:09	4,340	43,755,840	11,904,000	1,984,000	2,273,280
23	Aug 7, 2024 03:10	4,341	28,846,092	11,906,000	1,984,000	2,445,312
24	Aug 7, 2024 03:09	4,341	30,620,650	11,907,000	1,984,000	2,535,424
25	Aug 7, 2024 03:05	4,341	33,571,478	11,907,000	1,984,000	2,273,280
26	Aug 7, 2024 03:05	4,342	39,773,447	11,910,000	1,985,000	2,441,216
27	Aug 7, 2024 03:10	4,343	36,972,643	11,912,000	1,985,000	2,535,424
28	Aug 7, 2024 03:10	4,343	27,537,733	12,905,000	992,000	2,535,424
29	Aug 7, 2024 03:05	4,343	28,779,582	11,912,000	1,985,000	2,445,312
30	Aug 7, 2024 03:02	4,344	38,794,659	11,915,000	1,985,000	2,273,280
31	Aug 7, 2024 03:09	4,344	27,532,851	11,915,000	1,985,000	2,269,184
32	Aug 7, 2024 03:09	4,346	35,740,402	11,920,000	1,986,000	2,535,424
33	Aug 7, 2024 03:10	4,346	40,321,637	11,921,000	1,986,000	2,273,280
34	Aug 7, 2024 03:05	4,347	40,384,473	11,924,000	1,987,000	2,273,280
35	Aug 7, 2024 03:09	4,358	26,500,189	11,955,000	1,992,000	2,449,408
36	Aug 7, 2024 03:09	4,370	36,824,744	11,986,000	1,997,000	2,535,424
37	Aug 7, 2024 03:05	4,581	82,508,911	14,657,632	0	2,203,648
38	Aug 7, 2024 03:02	4,589	94,929,241	14,683,448	0	2,260,992
39	Aug 7, 2024 03:05	4,593	87,216,681	14,696,038	0	2,195,456
40	Aug 7, 2024 03:10	4,595	83,676,712	14,702,510	0	2,322,432
41	Aug 7, 2024 03:02	4,595	82,917,567	14,705,044	0	2,191,360
42	Aug 7, 2024 03:10	4,600	60,287,198	14,720,131	0	2,195,456
43	Aug 7, 2024 03:02	4,603	74,422,934	14,729,092	0	2,338,816
44	Aug 7, 2024 03:05	4,606	78,536,238	14,740,224	0	2,203,648
45	Aug 7, 2024 03:10	4,607	98,171,975	14,743,087	0	2,195,456
46	Aug 7, 2024 03:09	4,624	97,710,433	14,797,770	0	2,203,648
47	Aug 7, 2024 03:09	4,631	84,157,598	14,819,704	0	2,334,720
48	Aug 7, 2024 03:09	4,640	72,599,801	14,849,317	0	2,199,552

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