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 23, 2021 18:33

Yuriy Lyfenko

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	May 23, 2021 18:32	0	0	0	0	0	Wrong answer: expected "979670 ", got "227542 "
2	May 23, 2021 18:56	5,061	42,627,558	14,170,000	2,024,000	2,387,968
3	May 23, 2021 18:56	5,086	36,449,111	14,242,000	2,034,000	2,523,136
4	May 23, 2021 19:50	5,087	34,750,658	15,260,000	1,017,000	2,392,064
5	May 23, 2021 18:56	5,091	39,805,270	15,274,000	1,018,000	2,265,088
6	May 23, 2021 18:33	5,091	32,261,059	14,255,000	2,036,000	2,392,064
7	May 23, 2021 19:50	5,094	35,967,701	15,282,000	1,018,000	2,265,088
8	May 23, 2021 18:33	5,094	42,475,503	15,282,000	1,018,000	2,265,088
9	May 23, 2021 18:33	5,097	42,969,084	15,290,000	1,019,000	2,396,160
10	May 23, 2021 19:50	5,101	40,545,201	15,304,000	1,020,000	2,400,256
11	May 23, 2021 19:50	5,102	41,976,715	15,307,000	1,020,000	2,265,088
12	May 23, 2021 18:56	5,113	38,110,665	15,338,000	1,022,000	2,510,848
13	May 23, 2021 18:56	5,115	34,028,490	16,369,000	0	2,265,088
14	May 23, 2021 18:33	5,117	42,754,186	16,375,000	0	2,265,088
15	May 23, 2021 18:56	5,121	47,234,513	16,388,000	0	2,527,232
16	May 23, 2021 19:50	5,124	40,252,649	16,396,000	0	2,523,136
17	May 23, 2021 19:50	5,126	41,763,725	16,404,000	0	2,400,256
18	May 23, 2021 19:50	5,129	33,578,198	16,413,000	0	2,265,088
19	May 23, 2021 18:33	5,129	33,178,814	15,388,000	1,025,000	2,265,088
20	May 23, 2021 18:33	5,133	34,899,303	15,400,000	1,026,000	2,265,088
21	May 23, 2021 18:56	5,138	39,101,843	15,414,000	1,027,000	2,396,160
22	May 23, 2021 18:33	5,138	40,512,293	15,416,000	1,027,000	2,387,968
23	May 23, 2021 18:56	5,138	41,597,952	15,413,000	1,027,000	2,392,064
24	May 23, 2021 18:33	5,142	35,072,377	16,454,000	0	2,265,088
25	May 23, 2021 18:33	5,143	33,183,379	16,458,000	0	2,265,088
26	May 23, 2021 19:50	5,151	36,912,496	15,452,000	1,030,000	2,265,088
27	May 23, 2021 19:50	5,154	37,533,553	16,492,000	0	2,265,088
28	May 23, 2021 18:56	5,164	40,741,388	15,493,000	1,032,000	2,265,088
29	May 23, 2021 18:33	5,255	89,198,444	16,817,271	0	2,285,568
30	May 23, 2021 18:33	5,286	52,833,615	16,913,757	0	2,281,472
31	May 23, 2021 19:50	5,297	76,662,402	16,951,575	0	2,281,472
32	May 23, 2021 19:50	5,306	86,821,284	16,978,114	0	2,281,472
33	May 23, 2021 18:56	5,309	84,818,437	16,989,703	0	2,273,280
34	May 23, 2021 19:50	5,312	82,135,240	16,998,239	0	2,273,280
35	May 23, 2021 18:56	5,322	96,187,128	17,031,892	0	2,260,992
36	May 23, 2021 18:56	5,337	82,502,652	17,078,738	0	2,273,280
37	May 23, 2021 18:33	5,342	83,820,818	17,095,969	0	2,277,376

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