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 15:00

Yuriy Lyfenko

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	May 23, 2021 15:01	0	0	0	0	0	Wrong answer: expected "980367 ", got "483215 "
2	May 23, 2021 15:00	5,057	38,679,354	14,160,000	2,022,000	2,265,088
3	May 23, 2021 15:03	5,060	31,205,743	14,169,000	2,024,000	2,387,968
4	May 23, 2021 15:03	5,060	32,720,266	14,168,000	2,024,000	2,265,088
5	May 23, 2021 14:58	5,062	36,614,733	14,174,000	2,024,000	2,527,232
6	May 23, 2021 15:00	5,062	37,672,929	15,187,000	1,012,000	2,265,088
7	May 23, 2021 15:00	5,066	42,936,665	14,186,000	2,026,000	2,265,088
8	May 23, 2021 15:00	5,073	36,310,275	14,204,000	2,029,000	2,387,968
9	May 23, 2021 14:58	5,076	34,966,854	15,227,000	1,015,000	2,265,088
10	May 23, 2021 14:58	5,088	42,135,858	15,264,000	1,017,000	2,396,160
11	May 23, 2021 14:58	5,090	42,664,589	15,270,000	1,018,000	2,387,968
12	May 23, 2021 15:03	5,092	30,924,814	16,294,000	0	2,265,088
13	May 23, 2021 14:58	5,093	36,148,170	15,279,000	1,018,000	2,265,088
14	May 23, 2021 15:03	5,093	41,003,591	15,278,000	1,018,000	2,265,088
15	May 23, 2021 15:03	5,094	43,837,713	14,265,000	2,037,000	2,392,064
16	May 23, 2021 15:00	5,095	32,888,303	16,304,000	0	2,392,064
17	May 23, 2021 15:03	5,096	42,618,762	14,269,000	2,038,000	2,400,256
18	May 23, 2021 15:00	5,096	32,121,159	15,287,000	1,019,000	2,506,752
19	May 23, 2021 14:58	5,098	46,696,254	14,274,000	2,039,000	2,265,088
20	May 23, 2021 14:58	5,103	36,710,439	16,329,000	0	2,265,088
21	May 23, 2021 15:03	5,107	37,086,975	15,320,000	1,021,000	2,265,088
22	May 23, 2021 15:03	5,109	35,779,358	15,329,000	1,021,000	2,400,256
23	May 23, 2021 15:03	5,117	38,283,658	15,352,000	1,023,000	2,265,088
24	May 23, 2021 15:00	5,119	33,731,214	15,357,000	1,023,000	2,396,160
25	May 23, 2021 15:00	5,122	31,087,704	15,367,000	1,024,000	2,265,088
26	May 23, 2021 15:00	5,129	36,332,536	14,363,000	2,051,000	2,527,232
27	May 23, 2021 14:58	5,129	34,423,794	15,387,000	1,025,000	2,265,088
28	May 23, 2021 14:58	5,152	32,689,459	16,485,000	0	2,265,088
29	May 23, 2021 14:58	5,313	85,096,158	17,002,561	0	2,277,376
30	May 23, 2021 14:58	5,317	51,527,742	17,015,406	0	2,277,376
31	May 23, 2021 14:58	5,322	104,996,554	17,029,495	0	2,273,280
32	May 23, 2021 15:03	5,323	91,558,315	17,033,950	0	2,285,568
33	May 23, 2021 15:03	5,334	87,849,258	17,070,285	0	2,277,376
34	May 23, 2021 15:00	5,337	85,838,803	17,079,133	0	2,277,376
35	May 23, 2021 15:03	5,365	57,019,395	17,167,902	0	2,285,568
36	May 23, 2021 15:00	5,403	65,082,719	17,288,413	0	2,277,376
37	May 23, 2021 15:00	5,406	72,932,296	17,300,524	0	2,269,184

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