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 listJul 20, 2024 11:39

Matt Stuchlik

Score: 4,875

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 20, 2024 11:40	4,692	31,976,989	13,012,000	2,001,000	2,269,184
2	Jul 20, 2024 11:42	4,694	37,992,456	13,018,000	2,002,000	2,523,136
3	Jul 20, 2024 11:41	4,701	34,602,738	13,037,000	2,005,000	2,289,664
4	Jul 20, 2024 11:41	4,702	36,820,778	13,040,000	2,006,000	2,289,664
5	Jul 20, 2024 11:40	4,702	32,148,042	14,042,000	1,003,000	2,289,664
6	Jul 20, 2024 11:41	4,703	34,196,863	13,043,000	2,006,000	2,289,664
7	Jul 20, 2024 11:40	4,704	37,434,897	13,047,000	2,007,000	2,269,184
8	Jul 20, 2024 11:41	4,705	42,439,597	14,054,000	1,003,000	2,289,664
9	Jul 20, 2024 11:42	4,706	31,618,003	13,052,000	2,008,000	2,273,280
10	Jul 20, 2024 11:42	4,708	36,625,713	13,057,000	2,008,000	2,273,280
11	Jul 20, 2024 11:40	4,710	43,120,551	13,064,000	2,009,000	2,289,664
12	Jul 20, 2024 11:42	4,715	37,437,755	13,076,000	2,011,000	2,277,376
13	Jul 20, 2024 11:40	4,716	35,146,825	13,080,000	2,012,000	2,289,664
14	Jul 20, 2024 11:42	4,716	32,888,244	13,079,000	2,012,000	2,289,664
15	Jul 20, 2024 11:40	4,719	35,949,552	13,087,000	2,013,000	2,273,280
16	Jul 20, 2024 11:40	4,721	32,336,935	14,101,000	1,007,000	2,273,280
17	Jul 20, 2024 11:40	4,723	41,245,040	13,100,000	2,015,000	2,269,184
18	Jul 20, 2024 11:41	4,723	33,328,800	13,100,000	2,015,000	2,269,184
19	Jul 20, 2024 11:41	4,723	41,166,947	13,099,000	2,015,000	2,355,200
20	Jul 20, 2024 11:42	4,728	33,718,812	13,111,000	2,017,000	2,265,088
21	Jul 20, 2024 11:41	4,732	38,338,956	14,133,000	1,009,000	2,277,376
22	Jul 20, 2024 11:42	4,733	37,866,480	13,126,000	2,019,000	2,269,184
23	Jul 20, 2024 11:42	4,743	37,208,252	13,155,000	2,023,000	2,265,088
24	Jul 20, 2024 11:41	4,748	32,058,663	13,167,000	2,025,000	2,351,104
25	Jul 20, 2024 11:42	4,751	35,902,773	14,190,000	1,013,000	2,289,664
26	Jul 20, 2024 11:40	4,757	31,450,794	13,194,000	2,029,000	2,269,184
27	Jul 20, 2024 11:41	4,769	37,651,364	14,245,000	1,017,000	2,289,664
28	Jul 20, 2024 11:41	4,805	41,745,800	14,351,000	1,025,000	2,289,664
29	Jul 20, 2024 11:41	4,812	32,676,644	14,372,000	1,026,000	2,289,664
30	Jul 20, 2024 11:41	4,812	35,254,768	15,398,000	0	2,523,136
31	Jul 20, 2024 11:41	4,817	42,529,183	14,387,000	1,027,000	2,289,664
32	Jul 20, 2024 11:41	4,818	35,907,631	14,389,000	1,027,000	2,289,664
33	Jul 20, 2024 11:41	4,832	34,667,509	14,433,000	1,030,000	2,277,376
34	Jul 20, 2024 11:41	4,853	37,014,808	14,496,000	1,035,000	2,289,664
35	Jul 20, 2024 11:41	4,854	36,339,177	14,499,000	1,035,000	2,265,088
36	Jul 20, 2024 11:41	4,860	36,613,067	14,517,000	1,036,000	2,269,184
37	Jul 20, 2024 11:42	4,865	32,498,987	14,530,000	1,037,000	2,289,664
38	Jul 20, 2024 11:42	4,865	34,611,652	14,530,000	1,037,000	2,273,280
39	Jul 20, 2024 11:43	4,866	37,752,485	14,532,000	1,038,000	2,527,232
40	Jul 20, 2024 11:42	4,869	40,188,072	14,543,000	1,038,000	2,289,664
41	Jul 20, 2024 11:43	4,871	40,866,082	14,548,000	1,039,000	2,531,328
42	Jul 20, 2024 11:43	4,873	38,663,556	15,593,000	0	2,269,184
43	Jul 20, 2024 11:43	4,875	33,557,304	15,601,000	0	2,289,664
44	Jul 20, 2024 11:42	4,876	37,399,566	15,602,000	0	2,289,664
45	Jul 20, 2024 11:43	4,878	37,651,168	15,610,000	0	2,269,184
46	Jul 20, 2024 11:42	4,887	41,348,620	15,638,000	0	2,289,664
47	Jul 20, 2024 11:43	4,891	43,934,916	14,609,000	1,043,000	2,265,088
48	Jul 20, 2024 11:43	4,894	34,115,877	15,661,000	0	2,277,376
49	Jul 20, 2024 11:42	4,895	36,549,816	14,621,000	1,044,000	2,265,088
50	Jul 20, 2024 11:42	4,898	46,731,453	14,629,000	1,044,000	2,269,184
51	Jul 20, 2024 11:42	4,903	47,412,086	14,644,000	1,046,000	2,289,664
52	Jul 20, 2024 11:43	4,905	41,328,042	14,650,000	1,046,000	2,289,664
53	Jul 20, 2024 11:43	4,916	42,639,575	14,684,000	1,048,000	2,265,088
54	Jul 20, 2024 11:42	4,918	35,996,354	14,688,000	1,049,000	2,277,376
55	Jul 20, 2024 11:40	4,982	112,091,218	15,941,006	0	2,293,760
56	Jul 20, 2024 11:42	4,989	75,722,371	15,964,295	0	2,297,856
57	Jul 20, 2024 11:41	4,998	93,350,953	15,994,802	0	2,297,856
58	Jul 20, 2024 11:40	5,000	77,271,988	15,999,118	0	2,285,568
59	Jul 20, 2024 11:40	5,007	77,522,376	16,022,359	0	2,289,664
60	Jul 20, 2024 11:42	5,015	85,497,026	16,048,081	0	2,289,664
61	Jul 20, 2024 11:42	5,021	92,852,820	16,066,963	0	2,293,760
62	Jul 20, 2024 11:41	5,034	81,015,122	16,107,690	0	2,289,664
63	Jul 20, 2024 11:41	5,037	98,459,351	16,116,934	0	2,289,664
64	Jul 20, 2024 11:41	5,101	91,937,529	16,323,850	0	2,281,472
65	Jul 20, 2024 11:41	5,105	54,171,961	16,336,478	0	2,297,856
66	Jul 20, 2024 11:41	5,122	105,033,647	16,390,849	0	2,297,856
67	Jul 20, 2024 11:43	5,141	80,879,015	16,451,617	0	2,289,664
68	Jul 20, 2024 11:42	5,155	89,737,938	16,496,815	0	2,285,568
69	Jul 20, 2024 11:43	5,159	88,190,258	16,509,186	0	2,289,664
70	Jul 20, 2024 11:42	5,160	92,958,993	16,511,536	0	2,289,664
71	Jul 20, 2024 11:42	5,189	81,323,245	16,603,570	0	2,293,760
72	Jul 20, 2024 11:43	5,209	67,514,309	16,667,473	0	2,285,568
73	Jul 20, 2024 11:39	5,303	44,117,289	14,975,000	1,996,000	2,289,664
74	Jul 20, 2024 11:39	5,304	45,203,927	14,977,000	1,997,000	2,265,088
75	Jul 20, 2024 11:39	5,310	39,806,530	15,992,000	999,000	2,269,184
76	Jul 20, 2024 11:39	5,313	39,537,638	15,003,000	2,000,000	2,289,664
77	Jul 20, 2024 11:39	5,316	41,883,548	15,011,000	2,001,000	2,289,664
78	Jul 20, 2024 11:39	5,324	45,135,027	15,033,000	2,004,000	2,289,664
79	Jul 20, 2024 11:39	5,331	33,005,845	15,053,000	2,007,000	2,265,088
80	Jul 20, 2024 11:39	5,348	33,027,395	15,099,000	2,013,000	2,289,664
81	Jul 20, 2024 11:39	5,355	36,188,940	16,128,000	1,008,000	2,289,664
82	Jul 20, 2024 11:39	5,561	78,454,345	17,795,608	0	2,289,664
83	Jul 20, 2024 11:39	5,574	80,280,306	17,835,261	0	2,293,760
84	Jul 20, 2024 11:39	5,595	86,474,576	17,905,574	0	2,297,856

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