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 listJan 18, 2024 19:38

AnSa

Score: 5,276

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	Jan 18, 2024 19:36	5,269	43,878,961	15,870,000	991,000	2,269,184
2	Jan 18, 2024 19:38	5,269	47,505,463	15,871,000	991,000	2,383,872
3	Jan 18, 2024 19:36	5,270	47,437,059	16,863,000	0	2,383,872
4	Jan 18, 2024 19:38	5,270	34,216,958	16,863,000	0	2,531,328
5	Jan 18, 2024 19:36	5,271	39,087,197	15,875,000	992,000	2,498,560
6	Jan 18, 2024 19:38	5,272	46,747,316	15,877,000	992,000	2,269,184
7	Jan 18, 2024 19:38	5,273	42,371,817	16,873,000	0	2,531,328
8	Jan 18, 2024 19:36	5,273	39,892,566	14,890,000	1,985,000	2,269,184
9	Jan 18, 2024 19:36	5,273	49,628,998	15,882,000	992,000	2,269,184
10	Jan 18, 2024 19:36	5,273	44,239,617	14,887,000	1,985,000	2,269,184
11	Jan 18, 2024 19:38	5,273	34,819,211	14,888,000	1,985,000	2,269,184
12	Jan 18, 2024 19:38	5,274	45,719,367	14,891,000	1,985,000	2,269,184
13	Jan 18, 2024 19:38	5,274	42,744,205	14,892,000	1,985,000	2,375,680
14	Jan 18, 2024 19:38	5,275	33,860,637	14,895,000	1,986,000	2,527,232
15	Jan 18, 2024 19:38	5,275	45,834,620	16,880,000	0	2,383,872
16	Jan 18, 2024 19:36	5,275	46,728,325	14,894,000	1,985,000	2,375,680
17	Jan 18, 2024 19:38	5,276	32,910,828	15,890,000	993,000	2,383,872
18	Jan 18, 2024 19:38	5,276	39,069,007	14,898,000	1,986,000	2,269,184
19	Jan 18, 2024 19:38	5,276	45,772,140	15,889,000	993,000	2,379,776
20	Jan 18, 2024 19:38	5,278	42,024,199	14,904,000	1,987,000	2,269,184
21	Jan 18, 2024 19:38	5,278	32,913,840	14,902,000	1,986,000	2,383,872
22	Jan 18, 2024 19:38	5,279	36,154,240	15,901,000	993,000	2,375,680
23	Jan 18, 2024 19:38	5,281	42,838,553	15,905,000	994,000	2,379,776
24	Jan 18, 2024 19:36	5,281	43,552,269	15,906,000	994,000	2,379,776
25	Jan 18, 2024 19:38	5,283	43,712,717	15,848,000	1,056,000	2,269,184
26	Jan 18, 2024 19:36	5,297	33,803,805	14,957,000	1,994,000	2,269,184
27	Jan 18, 2024 19:38	5,313	36,196,727	15,000,000	2,000,000	2,269,184
28	Jan 18, 2024 19:38	5,481	71,146,101	17,540,253	0	2,252,800
29	Jan 18, 2024 19:38	5,495	83,117,308	17,584,783	0	2,260,992
30	Jan 18, 2024 19:36	5,496	62,075,940	17,586,543	0	2,269,184
31	Jan 18, 2024 19:38	5,498	94,027,853	17,592,440	0	2,265,088
32	Jan 18, 2024 19:38	5,499	78,969,130	17,597,836	0	2,273,280
33	Jan 18, 2024 19:38	5,501	76,593,281	17,603,891	0	2,260,992
34	Jan 18, 2024 19:38	5,509	93,758,003	17,627,981	0	2,277,376
35	Jan 18, 2024 19:36	5,533	61,279,303	17,706,804	0	2,273,280
36	Jan 18, 2024 19:36	5,537	67,000,873	17,717,014	0	2,269,184

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