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 29, 2021 21:59

Yuriy Lyfenko

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	May 29, 2021 21:59	0	0	0	0	0	Error: expected "975305 ", got "492489"
2	May 29, 2021 21:59	5,003	40,294,468	14,009,000	2,001,000	2,281,472
3	May 29, 2021 22:00	5,003	30,798,343	14,010,000	2,001,000	2,408,448
4	May 29, 2021 22:00	5,008	37,944,131	14,024,000	2,003,000	2,404,352
5	May 29, 2021 21:59	5,011	33,464,175	14,031,000	2,004,000	2,281,472
6	May 29, 2021 21:58	5,014	38,396,010	14,040,000	2,005,000	2,412,544
7	May 29, 2021 21:58	5,015	42,324,913	15,046,000	1,003,000	2,408,448
8	May 29, 2021 21:59	5,022	38,616,639	15,067,000	1,004,000	2,281,472
9	May 29, 2021 21:59	5,023	43,982,142	15,071,000	1,004,000	2,281,472
10	May 29, 2021 21:58	5,024	37,491,809	14,069,000	2,009,000	2,281,472
11	May 29, 2021 21:58	5,026	33,411,793	14,074,000	2,010,000	2,400,256
12	May 29, 2021 21:59	5,026	43,099,978	15,079,000	1,005,000	2,408,448
13	May 29, 2021 22:00	5,027	43,241,415	15,082,000	1,005,000	2,281,472
14	May 29, 2021 21:59	5,027	33,847,065	15,082,000	1,005,000	2,281,472
15	May 29, 2021 21:58	5,028	39,392,246	14,079,000	2,011,000	2,281,472
16	May 29, 2021 21:59	5,029	30,512,262	14,082,000	2,011,000	2,281,472
17	May 29, 2021 22:00	5,030	32,330,830	14,084,000	2,012,000	2,281,472
18	May 29, 2021 21:59	5,031	37,791,588	14,088,000	2,012,000	2,281,472
19	May 29, 2021 21:58	5,032	40,871,057	14,089,000	2,012,000	2,412,544
20	May 29, 2021 21:59	5,033	38,931,616	15,101,000	1,006,000	2,281,472
21	May 29, 2021 21:58	5,033	31,196,905	14,092,000	2,013,000	2,412,544
22	May 29, 2021 21:59	5,033	35,159,148	15,098,000	1,006,000	2,281,472
23	May 29, 2021 22:00	5,036	32,375,483	15,107,000	1,007,000	2,412,544
24	May 29, 2021 21:59	5,037	36,806,803	14,104,000	2,014,000	2,265,088
25	May 29, 2021 21:58	5,038	31,085,924	14,108,000	2,015,000	2,523,136
26	May 29, 2021 21:59	5,042	37,830,864	15,127,000	1,008,000	2,281,472
27	May 29, 2021 22:00	5,042	40,842,367	15,126,000	1,008,000	2,404,352
28	May 29, 2021 21:59	5,043	41,178,896	14,120,000	2,017,000	2,400,256
29	May 29, 2021 22:00	5,043	44,873,391	14,122,000	2,017,000	2,400,256
30	May 29, 2021 22:00	5,050	40,096,308	15,150,000	1,010,000	2,519,040
31	May 29, 2021 21:59	5,058	45,621,168	15,176,000	1,011,000	2,281,472
32	May 29, 2021 21:59	5,058	38,489,756	15,174,000	1,011,000	2,281,472
33	May 29, 2021 21:59	5,060	37,514,732	14,168,000	2,024,000	2,281,472
34	May 29, 2021 21:58	5,061	39,736,635	14,170,000	2,024,000	2,408,448
35	May 29, 2021 22:00	5,075	43,330,793	15,225,000	1,015,000	2,396,160
36	May 29, 2021 21:59	5,077	38,777,482	14,216,000	2,030,000	2,486,272
37	May 29, 2021 21:59	5,079	42,164,846	15,238,000	1,015,000	2,281,472
38	May 29, 2021 21:58	5,180	60,044,575	16,575,248	0	2,301,952
39	May 29, 2021 22:00	5,194	81,686,337	16,622,215	0	2,297,856
40	May 29, 2021 21:59	5,207	78,404,054	16,662,588	0	2,297,856
41	May 29, 2021 22:00	5,211	66,494,651	16,676,161	0	2,289,664
42	May 29, 2021 21:59	5,214	63,507,481	16,684,922	0	2,285,568
43	May 29, 2021 21:58	5,216	81,943,427	16,690,613	0	2,289,664
44	May 29, 2021 21:59	5,217	82,351,039	16,694,564	0	2,285,568
45	May 29, 2021 21:59	5,223	94,292,250	16,712,526	0	2,281,472
46	May 29, 2021 21:58	5,224	76,381,406	16,717,149	0	2,269,184
47	May 29, 2021 22:00	5,232	86,864,303	16,743,196	0	2,297,856
48	May 29, 2021 21:59	5,235	76,589,763	16,753,190	0	2,289,664
49	May 29, 2021 21:59	5,269	90,374,778	16,862,108	0	2,281,472

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