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 31, 2024 10:51

Ben

Score: 4,498

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 31, 2024 10:47	4,451	36,377,309	14,244,000	0	2,494,464
2	Jul 31, 2024 10:49	4,453	26,170,591	14,249,000	0	2,490,368
3	Jul 31, 2024 10:49	4,456	32,506,030	14,260,000	0	2,490,368
4	Jul 31, 2024 10:51	4,457	37,501,743	14,261,000	0	2,490,368
5	Jul 31, 2024 10:49	4,458	29,888,598	14,264,000	0	2,498,560
6	Jul 31, 2024 10:49	4,460	29,681,719	14,272,000	0	2,498,560
7	Jul 31, 2024 10:48	4,461	36,187,761	14,274,000	0	2,494,464
8	Jul 31, 2024 10:46	4,461	33,045,233	14,274,000	0	2,486,272
9	Jul 31, 2024 10:48	4,462	38,182,522	14,278,000	0	2,490,368
10	Jul 31, 2024 10:49	4,463	36,628,213	14,283,000	0	2,277,376
11	Jul 31, 2024 12:15	4,464	35,532,570	14,284,000	0	2,498,560
12	Jul 31, 2024 10:49	4,465	30,914,577	14,287,000	0	2,494,464
13	Jul 31, 2024 10:48	4,465	30,032,786	14,289,000	0	2,494,464
14	Jul 31, 2024 12:15	4,467	30,285,071	14,294,000	0	2,490,368
15	Jul 31, 2024 10:49	4,467	31,279,712	14,293,000	0	2,277,376
16	Jul 31, 2024 10:47	4,467	30,282,896	14,295,000	0	2,498,560
17	Jul 31, 2024 10:47	4,468	41,707,420	14,297,000	0	2,498,560
18	Jul 31, 2024 10:46	4,470	28,270,115	14,304,000	0	2,486,272
19	Jul 31, 2024 10:47	4,471	30,946,110	14,307,000	0	2,277,376
20	Jul 31, 2024 12:15	4,472	30,304,334	14,311,000	0	2,277,376
21	Jul 31, 2024 10:49	4,472	31,398,760	14,310,000	0	2,494,464
22	Jul 31, 2024 10:51	4,473	30,121,178	14,312,000	0	2,494,464
23	Jul 31, 2024 10:51	4,473	28,087,099	14,313,000	0	2,277,376
24	Jul 31, 2024 10:49	4,473	39,496,348	14,315,000	0	2,281,472
25	Jul 31, 2024 10:48	4,473	35,704,194	14,313,000	0	2,535,424
26	Jul 31, 2024 10:47	4,473	32,876,781	14,312,000	0	2,490,368
27	Jul 31, 2024 10:49	4,474	31,720,055	14,317,000	0	2,277,376
28	Jul 31, 2024 10:51	4,475	30,117,337	14,321,000	0	2,535,424
29	Jul 31, 2024 10:49	4,475	26,307,156	14,319,000	0	2,277,376
30	Jul 31, 2024 10:47	4,475	35,126,016	14,320,000	0	2,494,464
31	Jul 31, 2024 10:51	4,476	29,935,984	14,324,000	0	2,277,376
32	Jul 31, 2024 10:47	4,476	31,387,495	14,324,000	0	2,277,376
33	Jul 31, 2024 10:46	4,476	33,168,519	12,413,000	1,909,000	2,277,376
34	Jul 31, 2024 10:49	4,477	35,693,338	14,325,000	0	2,494,464
35	Jul 31, 2024 10:49	4,477	33,351,593	14,327,000	0	2,277,376
36	Jul 31, 2024 10:49	4,478	30,309,610	14,329,000	0	2,490,368
37	Jul 31, 2024 10:49	4,479	28,938,340	14,332,000	0	2,277,376
38	Jul 31, 2024 10:46	4,479	26,456,998	14,332,000	0	2,277,376
39	Jul 31, 2024 10:49	4,480	29,785,722	14,337,000	0	2,490,368
40	Jul 31, 2024 10:48	4,480	29,060,727	14,336,000	0	2,277,376
41	Jul 31, 2024 10:51	4,481	34,592,565	14,340,000	0	2,535,424
42	Jul 31, 2024 10:48	4,481	40,208,476	14,338,000	0	2,494,464
43	Jul 31, 2024 10:51	4,482	31,801,240	14,342,000	0	2,494,464
44	Jul 31, 2024 10:48	4,482	38,059,306	14,341,000	0	2,498,560
45	Jul 31, 2024 10:51	4,483	35,789,113	13,321,000	1,024,000	2,490,368
46	Jul 31, 2024 10:49	4,483	39,679,382	13,320,000	1,024,000	2,490,368
47	Jul 31, 2024 10:47	4,483	31,677,731	14,346,000	0	2,494,464
48	Jul 31, 2024 10:49	4,484	26,405,711	14,349,000	0	2,486,272
49	Jul 31, 2024 12:15	4,485	30,291,061	14,351,000	0	2,277,376
50	Jul 31, 2024 10:46	4,485	26,373,788	14,352,000	0	2,494,464
51	Jul 31, 2024 10:48	4,486	40,435,840	14,354,000	0	2,486,272
52	Jul 31, 2024 10:46	4,486	31,792,106	14,355,000	0	2,498,560
53	Jul 31, 2024 12:15	4,487	35,804,121	14,359,000	0	2,486,272
54	Jul 31, 2024 10:49	4,487	32,922,681	14,359,000	0	2,502,656
55	Jul 31, 2024 10:51	4,488	35,294,894	14,363,000	0	2,494,464
56	Jul 31, 2024 10:51	4,491	39,882,039	14,372,000	0	2,486,272
57	Jul 31, 2024 10:48	4,491	32,720,295	14,371,000	0	2,494,464
58	Jul 31, 2024 10:48	4,491	41,675,465	14,370,000	0	2,490,368
59	Jul 31, 2024 10:47	4,491	27,059,733	14,370,000	0	2,273,280
60	Jul 31, 2024 10:47	4,493	32,240,825	14,378,000	0	2,494,464
61	Jul 31, 2024 10:51	4,494	31,353,778	14,380,000	0	2,277,376
62	Jul 31, 2024 10:48	4,494	38,364,863	14,380,000	0	2,277,376
63	Jul 31, 2024 10:46	4,494	29,997,622	14,382,000	0	2,490,368
64	Jul 31, 2024 10:47	4,496	24,464,630	14,387,000	0	2,494,464
65	Jul 31, 2024 10:47	4,496	41,100,697	14,387,000	0	2,498,560
66	Jul 31, 2024 10:47	4,497	34,685,128	14,390,000	0	2,277,376
67	Jul 31, 2024 10:49	4,498	34,104,844	14,393,000	0	2,490,368
68	Jul 31, 2024 10:47	4,498	30,993,256	14,392,000	0	2,277,376
69	Jul 31, 2024 10:51	4,499	28,436,217	14,396,000	0	2,535,424
70	Jul 31, 2024 10:48	4,500	36,062,894	14,400,000	0	2,277,376
71	Jul 31, 2024 10:48	4,501	36,945,202	14,402,000	0	2,490,368
72	Jul 31, 2024 10:51	4,504	34,224,024	14,414,000	0	2,277,376
73	Jul 31, 2024 10:47	4,504	27,472,157	14,414,000	0	2,277,376
74	Jul 31, 2024 10:49	4,506	29,304,448	14,420,000	0	2,535,424
75	Jul 31, 2024 10:47	4,506	31,353,023	14,418,000	0	2,277,376
76	Jul 31, 2024 10:51	4,509	27,939,256	14,429,000	0	2,494,464
77	Jul 31, 2024 10:49	4,510	30,159,176	14,432,000	0	2,269,184
78	Jul 31, 2024 12:15	4,511	27,013,895	14,435,000	0	2,490,368
79	Jul 31, 2024 10:48	4,511	38,223,083	14,434,000	0	2,277,376
80	Jul 31, 2024 10:51	4,514	34,463,711	14,446,000	0	2,535,424
81	Jul 31, 2024 12:15	4,515	43,883,071	14,449,000	0	2,494,464
82	Jul 31, 2024 10:49	4,516	31,946,065	14,452,000	0	2,277,376
83	Jul 31, 2024 10:47	4,518	34,338,488	14,459,000	0	2,494,464
84	Jul 31, 2024 10:49	4,523	38,783,679	14,475,000	0	2,494,464
85	Jul 31, 2024 10:46	4,523	37,229,273	14,474,000	0	2,277,376
86	Jul 31, 2024 10:49	4,524	35,714,770	14,477,000	0	2,273,280
87	Jul 31, 2024 10:49	4,525	35,636,812	14,480,000	0	2,494,464
88	Jul 31, 2024 10:47	4,551	33,368,646	14,562,000	0	2,277,376
89	Jul 31, 2024 10:48	4,554	29,506,818	14,574,000	0	2,494,464
90	Jul 31, 2024 10:48	4,557	32,011,471	14,583,000	0	2,273,280
91	Jul 31, 2024 10:48	4,564	39,523,001	13,562,000	1,043,000	2,277,376
92	Jul 31, 2024 12:15	4,565	42,664,467	14,609,000	0	2,277,376
93	Jul 31, 2024 10:49	4,568	29,458,073	14,618,000	0	2,494,464
94	Jul 31, 2024 10:46	4,569	37,631,999	14,621,000	0	2,494,464
95	Jul 31, 2024 10:51	4,570	27,750,075	13,580,000	1,044,000	2,273,280
96	Jul 31, 2024 10:51	4,571	30,573,937	14,626,000	0	2,277,376
97	Jul 31, 2024 10:48	4,577	32,330,786	14,645,000	0	2,277,376
98	Jul 31, 2024 10:51	4,582	31,644,074	14,661,000	0	2,494,464
99	Jul 31, 2024 12:15	4,585	40,611,421	14,671,000	0	2,494,464
100	Jul 31, 2024 10:48	4,767	95,761,520	15,254,299	0	2,240,512
101	Jul 31, 2024 10:46	4,771	79,911,480	15,266,138	0	2,359,296
102	Jul 31, 2024 10:47	4,771	63,794,987	15,266,062	0	2,240,512
103	Jul 31, 2024 10:47	4,772	40,774,893	15,271,391	0	2,260,992
104	Jul 31, 2024 10:47	4,777	76,383,924	15,286,143	0	2,228,224
105	Jul 31, 2024 12:15	4,777	68,283,532	15,285,932	0	2,359,296
106	Jul 31, 2024 10:48	4,780	48,428,476	15,296,510	0	2,367,488
107	Jul 31, 2024 10:49	4,784	70,534,976	15,307,858	0	2,232,320
108	Jul 31, 2024 10:49	4,787	68,813,262	15,318,494	0	2,260,992
109	Jul 31, 2024 10:46	4,788	88,119,570	15,321,169	0	2,232,320
110	Jul 31, 2024 10:49	4,790	36,283,344	15,327,755	0	2,240,512
111	Jul 31, 2024 10:49	4,793	64,247,427	15,336,850	0	2,256,896
112	Jul 31, 2024 10:51	4,793	43,532,500	15,339,121	0	2,256,896
113	Jul 31, 2024 10:49	4,794	67,815,215	15,340,511	0	2,236,416
114	Jul 31, 2024 10:49	4,795	74,908,987	15,344,088	0	2,256,896
115	Jul 31, 2024 10:51	4,795	63,318,032	15,342,666	0	2,240,512
116	Jul 31, 2024 10:51	4,796	54,993,807	15,346,400	0	2,256,896
117	Jul 31, 2024 10:51	4,801	54,595,460	15,363,247	0	2,232,320
118	Jul 31, 2024 10:48	4,809	71,741,189	15,389,987	0	2,256,896
119	Jul 31, 2024 10:49	4,814	70,486,746	15,403,935	0	2,359,296
120	Jul 31, 2024 10:47	4,821	75,591,356	15,427,908	0	2,236,416
121	Jul 31, 2024 10:51	4,837	64,288,646	15,479,242	0	2,248,704
122	Jul 31, 2024 10:47	4,838	75,724,422	15,481,022	0	2,236,416
123	Jul 31, 2024 12:15	4,844	67,758,422	15,500,268	0	2,240,512
124	Jul 31, 2024 10:51	4,849	67,099,356	15,517,321	0	2,236,416
125	Jul 31, 2024 10:48	4,873	59,100,057	15,593,491	0	2,240,512
126	Jul 31, 2024 10:49	4,874	75,359,936	15,597,216	0	2,232,320
127	Jul 31, 2024 12:15	4,905	66,971,473	15,694,596	0	2,236,416
128	Jul 31, 2024 10:46	4,907	58,114,076	15,701,933	0	2,228,224
129	Jul 31, 2024 10:47	4,907	67,450,979	15,702,822	0	2,240,512
130	Jul 31, 2024 10:49	4,910	67,437,578	15,711,974	0	2,236,416
131	Jul 31, 2024 10:48	4,932	78,652,852	15,781,919	0	2,232,320
132	Jul 31, 2024 10:48	4,949	87,129,676	15,837,410	0	2,240,512

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