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 listMay 28, 2021 07:03

Yuriy Lyfenko

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	May 28, 2021 07:01	0	0	0	0	0	Wrong answer: expected "976449 ", got "541 15165 976449 "
2	May 28, 2021 07:03	5,002	43,610,666	14,006,000	2,000,000	2,387,968
3	May 28, 2021 07:03	5,002	46,329,370	14,005,000	2,000,000	2,392,064
4	May 28, 2021 07:03	5,008	50,093,946	14,024,000	2,003,000	2,265,088
5	May 28, 2021 07:03	5,013	35,412,990	14,037,000	2,005,000	2,265,088
6	May 28, 2021 07:03	5,017	47,019,413	14,047,000	2,006,000	2,265,088
7	May 28, 2021 07:03	5,019	50,924,953	14,054,000	2,007,000	2,265,088
8	May 28, 2021 07:03	5,020	42,897,510	14,057,000	2,008,000	2,392,064
9	May 28, 2021 07:03	5,023	41,532,260	14,063,000	2,009,000	2,392,064
10	May 28, 2021 07:03	5,024	48,213,726	14,069,000	2,009,000	2,265,088
11	May 28, 2021 07:03	5,024	42,054,202	14,068,000	2,009,000	2,396,160
12	May 28, 2021 07:03	5,026	44,162,842	14,072,000	2,010,000	2,404,352
13	May 28, 2021 07:03	5,026	48,550,365	15,079,000	1,005,000	2,265,088
14	May 28, 2021 07:03	5,029	45,627,694	15,089,000	1,005,000	2,510,848
15	May 28, 2021 07:03	5,029	34,538,320	15,089,000	1,005,000	2,265,088
16	May 28, 2021 07:03	5,033	34,277,970	14,093,000	2,013,000	2,265,088
17	May 28, 2021 07:03	5,033	31,810,992	14,093,000	2,013,000	2,265,088
18	May 28, 2021 07:03	5,034	32,862,283	14,096,000	2,013,000	2,387,968
19	May 28, 2021 07:03	5,038	38,705,298	14,105,000	2,015,000	2,527,232
20	May 28, 2021 07:03	5,046	42,828,482	14,130,000	2,018,000	2,265,088
21	May 28, 2021 07:03	5,046	34,243,597	15,139,000	1,009,000	2,265,088
22	May 28, 2021 07:03	5,056	42,915,509	15,167,000	1,011,000	2,387,968
23	May 28, 2021 07:03	5,062	42,764,283	15,185,000	1,012,000	2,396,160
24	May 28, 2021 07:03	5,063	33,262,969	14,178,000	2,025,000	2,396,160
25	May 28, 2021 07:03	5,072	32,246,404	14,201,000	2,028,000	2,265,088
26	May 28, 2021 07:03	5,077	42,742,388	15,230,000	1,015,000	2,396,160
27	May 28, 2021 07:03	5,086	32,349,234	14,241,000	2,034,000	2,396,160
28	May 28, 2021 07:03	5,092	36,376,883	14,257,000	2,036,000	2,265,088
29	May 28, 2021 07:03	5,219	74,745,641	16,699,817	0	2,277,376
30	May 28, 2021 07:03	5,223	88,626,391	16,713,092	0	2,273,280
31	May 28, 2021 07:03	5,238	42,981,738	16,760,528	0	2,277,376
32	May 28, 2021 07:03	5,241	96,957,875	16,769,908	0	2,289,664
33	May 28, 2021 07:03	5,247	56,287,450	16,789,642	0	2,277,376
34	May 28, 2021 07:03	5,258	61,373,744	16,824,788	0	2,273,280
35	May 28, 2021 07:03	5,269	60,051,102	16,861,130	0	2,277,376
36	May 28, 2021 07:03	5,288	51,579,605	16,921,286	0	2,260,992
37	May 28, 2021 07:03	5,298	46,357,544	16,953,142	0	2,285,568

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