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 listMar 17, 2023 23:01

Alexander Monakov

Score: 4,599

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 17, 2023 23:00	4,545	26,917,854	14,543,000	0	2,277,376
2	Mar 17, 2023 23:00	4,548	37,430,960	14,555,000	0	2,277,376
3	Mar 17, 2023 23:00	4,549	31,769,168	14,556,000	0	2,277,376
4	Mar 17, 2023 23:00	4,555	30,606,220	14,577,000	0	2,277,376
5	Mar 17, 2023 23:01	4,562	29,111,808	14,599,000	0	2,490,368
6	Mar 17, 2023 23:00	4,563	39,637,514	14,600,000	0	2,535,424
7	Mar 17, 2023 23:00	4,564	41,873,898	14,604,000	0	2,277,376
8	Mar 17, 2023 23:00	4,564	33,190,885	14,605,000	0	2,498,560
9	Mar 17, 2023 23:00	4,564	30,612,160	14,605,000	0	2,498,560
10	Mar 17, 2023 23:00	4,565	31,489,376	14,608,000	0	2,498,560
11	Mar 17, 2023 23:01	4,566	31,987,662	14,611,000	0	2,490,368
12	Mar 17, 2023 23:00	4,566	30,486,794	14,610,000	0	2,498,560
13	Mar 17, 2023 23:01	4,567	33,894,176	14,615,000	0	2,277,376
14	Mar 17, 2023 23:00	4,568	38,992,406	14,619,000	0	2,502,656
15	Mar 17, 2023 23:00	4,568	39,854,243	13,573,000	1,044,000	2,494,464
16	Mar 17, 2023 23:01	4,570	34,515,821	14,624,000	0	2,277,376
17	Mar 17, 2023 23:00	4,571	30,733,833	14,627,000	0	2,277,376
18	Mar 17, 2023 23:00	4,572	38,902,127	14,630,000	0	2,277,376
19	Mar 17, 2023 23:00	4,573	41,016,932	14,633,000	0	2,277,376
20	Mar 17, 2023 23:00	4,574	30,249,342	14,638,000	0	2,494,464
21	Mar 17, 2023 23:01	4,578	45,185,366	14,651,000	0	2,269,184
22	Mar 17, 2023 23:00	4,579	30,348,515	14,654,000	0	2,273,280
23	Mar 17, 2023 23:00	4,579	41,214,061	14,652,000	0	2,502,656
24	Mar 17, 2023 23:01	4,579	29,315,105	14,654,000	0	2,498,560
25	Mar 17, 2023 23:00	4,581	39,951,043	14,658,000	0	2,277,376
26	Mar 17, 2023 23:00	4,584	33,760,898	14,670,000	0	2,277,376
27	Mar 17, 2023 23:00	4,586	31,991,229	14,676,000	0	2,277,376
28	Mar 17, 2023 23:00	4,587	32,455,809	14,677,000	0	2,277,376
29	Mar 17, 2023 23:01	4,587	31,746,541	14,677,000	0	2,502,656
30	Mar 17, 2023 23:00	4,588	44,613,136	14,683,000	0	2,535,424
31	Mar 17, 2023 23:01	4,592	36,495,122	14,693,000	0	2,277,376
32	Mar 17, 2023 23:01	4,593	34,715,891	14,697,000	0	2,498,560
33	Mar 17, 2023 23:00	4,593	34,675,829	14,699,000	0	2,277,376
34	Mar 17, 2023 23:01	4,597	31,119,779	14,710,000	0	2,277,376
35	Mar 17, 2023 23:01	4,597	30,864,746	14,710,000	0	2,494,464
36	Mar 17, 2023 23:01	4,599	40,477,502	14,716,000	0	2,498,560
37	Mar 17, 2023 23:00	4,599	33,081,277	14,717,000	0	2,498,560
38	Mar 17, 2023 23:00	4,640	40,030,221	12,869,000	1,979,000	2,277,376
39	Mar 17, 2023 23:00	4,640	36,856,100	13,858,000	989,000	2,494,464
40	Mar 17, 2023 23:01	4,647	33,448,885	13,878,000	991,000	2,277,376
41	Mar 17, 2023 23:01	4,648	32,795,206	13,884,000	991,000	2,494,464
42	Mar 17, 2023 23:01	4,648	43,427,455	13,883,000	991,000	2,277,376
43	Mar 17, 2023 23:01	4,649	28,974,572	13,887,000	991,000	2,490,368
44	Mar 17, 2023 23:01	4,650	29,778,803	13,889,000	992,000	2,494,464
45	Mar 17, 2023 23:01	4,650	31,863,317	12,896,000	1,984,000	2,494,464
46	Mar 17, 2023 23:01	4,652	41,210,895	13,893,000	992,000	2,535,424
47	Mar 17, 2023 23:01	4,653	31,617,899	13,897,000	992,000	2,277,376
48	Mar 17, 2023 23:01	4,653	31,543,086	12,903,000	1,985,000	2,494,464
49	Mar 17, 2023 23:01	4,653	36,758,355	13,898,000	992,000	2,494,464
50	Mar 17, 2023 23:01	4,656	40,117,086	13,906,000	993,000	2,494,464
51	Mar 17, 2023 23:01	4,656	30,333,844	13,905,000	993,000	2,494,464
52	Mar 17, 2023 23:01	4,661	39,339,568	13,920,000	994,000	2,494,464
53	Mar 17, 2023 23:01	4,671	33,418,159	13,952,000	996,000	2,502,656
54	Mar 17, 2023 23:01	4,673	32,824,047	12,960,000	1,993,000	2,502,656
55	Mar 17, 2023 23:00	4,797	89,960,132	15,351,912	0	2,244,608
56	Mar 17, 2023 23:00	4,803	59,325,053	15,370,404	0	2,240,512
57	Mar 17, 2023 23:01	4,806	79,472,838	15,377,636	0	2,240,512
58	Mar 17, 2023 23:00	4,815	73,073,778	15,408,709	0	2,244,608
59	Mar 17, 2023 23:01	4,817	81,454,332	15,415,844	0	2,240,512
60	Mar 17, 2023 23:01	4,823	83,223,904	15,433,905	0	2,240,512
61	Mar 17, 2023 23:00	4,825	74,806,977	15,439,262	0	2,244,608
62	Mar 17, 2023 23:00	4,826	84,400,186	15,443,301	0	2,244,608
63	Mar 17, 2023 23:00	4,830	74,596,180	15,455,903	0	2,236,416
64	Mar 17, 2023 23:00	4,833	75,585,117	15,464,326	0	2,248,704
65	Mar 17, 2023 23:00	4,837	88,865,333	15,479,473	0	2,244,608
66	Mar 17, 2023 23:00	4,838	72,881,614	15,480,568	0	2,240,512
67	Mar 17, 2023 23:01	4,840	71,175,756	15,487,214	0	2,256,896
68	Mar 17, 2023 23:01	4,847	59,391,113	15,510,221	0	2,244,608
69	Mar 17, 2023 23:01	4,858	90,828,397	15,544,148	0	2,236,416
70	Mar 17, 2023 23:01	4,886	62,836,152	15,633,775	0	2,244,608
71	Mar 17, 2023 23:01	4,896	87,253,476	15,667,919	0	2,240,512
72	Mar 17, 2023 23:01	4,902	59,741,236	15,686,232	0	2,236,416

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