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 14, 2021 11:10

Andrey Tsvetkov

Score: 5,699

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 14, 2021 11:10	5,645	42,556,451	16,056,000	2,007,000	2,523,136
2	Jul 14, 2021 11:10	5,652	45,147,115	15,072,000	3,014,000	2,527,232
3	Jul 14, 2021 11:10	5,654	47,638,030	15,077,000	3,015,000	2,334,720
4	Jul 14, 2021 11:10	5,655	47,877,980	15,080,000	3,016,000	2,334,720
5	Jul 14, 2021 11:10	5,655	43,045,941	16,086,000	2,010,000	2,334,720
6	Jul 14, 2021 11:10	5,658	50,868,166	16,093,000	2,011,000	2,334,720
7	Jul 14, 2021 11:10	5,662	43,260,943	16,105,000	2,013,000	2,334,720
8	Jul 14, 2021 11:10	5,664	45,794,891	15,105,000	3,021,000	2,519,040
9	Jul 14, 2021 11:10	5,665	44,411,399	15,107,000	3,021,000	2,519,040
10	Jul 14, 2021 11:10	5,665	34,358,302	15,107,000	3,021,000	2,334,720
11	Jul 14, 2021 11:10	5,666	41,533,659	15,110,000	3,022,000	2,523,136
12	Jul 14, 2021 11:10	5,668	41,821,596	16,124,000	2,015,000	2,334,720
13	Jul 14, 2021 11:10	5,668	42,459,601	16,124,000	2,015,000	2,334,720
14	Jul 14, 2021 11:10	5,668	39,237,750	16,122,000	2,015,000	2,334,720
15	Jul 14, 2021 11:10	5,669	44,750,148	15,117,000	3,023,000	2,527,232
16	Jul 14, 2021 11:10	5,670	44,017,124	15,120,000	3,024,000	2,531,328
17	Jul 14, 2021 11:10	5,671	43,143,496	16,132,000	2,016,000	2,334,720
18	Jul 14, 2021 11:10	5,672	34,217,404	15,125,000	3,025,000	2,334,720
19	Jul 14, 2021 11:10	5,672	46,670,702	15,126,000	3,025,000	2,334,720
20	Jul 14, 2021 11:10	5,673	53,484,828	16,138,000	2,017,000	2,514,944
21	Jul 14, 2021 11:10	5,674	42,743,137	16,141,000	2,017,000	2,514,944
22	Jul 14, 2021 11:10	5,675	46,362,931	16,143,000	2,017,000	2,387,968
23	Jul 14, 2021 11:10	5,675	34,105,527	15,134,000	3,026,000	2,531,328
24	Jul 14, 2021 11:10	5,676	37,742,123	16,146,000	2,018,000	2,531,328
25	Jul 14, 2021 11:10	5,676	42,053,835	15,135,000	3,027,000	2,334,720
26	Jul 14, 2021 11:10	5,677	39,267,308	16,148,000	2,018,000	2,527,232
27	Jul 14, 2021 11:10	5,677	36,679,581	16,149,000	2,018,000	2,334,720
28	Jul 14, 2021 11:10	5,678	44,006,738	16,152,000	2,019,000	2,531,328
29	Jul 14, 2021 11:10	5,678	44,111,920	16,151,000	2,018,000	2,527,232
30	Jul 14, 2021 11:10	5,680	40,400,184	16,156,000	2,019,000	2,334,720
31	Jul 14, 2021 11:10	5,682	40,762,257	15,153,000	3,030,000	2,351,104
32	Jul 14, 2021 11:10	5,682	46,032,479	16,161,000	2,020,000	2,334,720
33	Jul 14, 2021 11:10	5,682	46,318,516	15,153,000	3,030,000	2,363,392
34	Jul 14, 2021 11:10	5,682	45,092,360	16,163,000	2,020,000	2,334,720
35	Jul 14, 2021 11:10	5,683	46,229,251	16,166,000	2,020,000	2,334,720
36	Jul 14, 2021 11:10	5,684	45,290,470	15,158,000	3,031,000	2,326,528
37	Jul 14, 2021 11:10	5,687	38,200,804	16,177,000	2,022,000	2,527,232
38	Jul 14, 2021 11:10	5,688	46,164,899	16,181,000	2,022,000	2,338,816
39	Jul 14, 2021 11:10	5,688	42,186,663	15,169,000	3,033,000	2,334,720
40	Jul 14, 2021 11:10	5,688	45,226,189	15,169,000	3,033,000	2,334,720
41	Jul 14, 2021 11:10	5,688	38,333,424	16,178,000	2,022,000	2,334,720
42	Jul 14, 2021 11:10	5,691	44,051,269	17,200,000	1,011,000	2,334,720
43	Jul 14, 2021 11:10	5,695	40,830,875	15,186,000	3,037,000	2,326,528
44	Jul 14, 2021 11:10	5,696	43,255,321	17,215,000	1,012,000	2,334,720
45	Jul 14, 2021 11:10	5,697	74,823,791	18,231,830	0	2,244,608
46	Jul 14, 2021 11:10	5,697	41,505,311	15,192,000	3,038,000	2,334,720
47	Jul 14, 2021 11:10	5,698	43,743,740	15,196,000	3,039,000	2,531,328
48	Jul 14, 2021 11:10	5,698	44,090,314	15,196,000	3,039,000	2,334,720
49	Jul 14, 2021 11:10	5,699	42,478,834	16,210,000	2,026,000	2,523,136
50	Jul 14, 2021 11:10	5,699	40,666,149	15,197,000	3,039,000	2,334,720
51	Jul 14, 2021 11:10	5,700	38,544,425	15,201,000	3,040,000	2,334,720
52	Jul 14, 2021 11:10	5,700	47,123,174	16,215,000	2,026,000	2,334,720
53	Jul 14, 2021 11:10	5,700	42,082,375	15,200,000	3,040,000	2,334,720
54	Jul 14, 2021 11:10	5,700	38,651,034	16,214,000	2,026,000	2,527,232
55	Jul 14, 2021 11:10	5,701	67,765,395	18,243,204	0	2,232,320
56	Jul 14, 2021 11:10	5,701	46,118,662	15,204,000	3,040,000	2,527,232
57	Jul 14, 2021 11:10	5,703	44,013,783	15,208,000	3,041,000	2,334,720
58	Jul 14, 2021 11:10	5,704	40,720,054	16,224,000	2,028,000	2,527,232
59	Jul 14, 2021 11:10	5,706	44,218,443	15,215,000	3,043,000	2,334,720
60	Jul 14, 2021 11:10	5,707	35,532,798	16,234,000	2,029,000	2,334,720
61	Jul 14, 2021 11:10	5,707	40,273,684	15,218,000	3,043,000	2,334,720
62	Jul 14, 2021 11:10	5,708	83,552,598	18,266,221	0	2,236,416
63	Jul 14, 2021 11:10	5,709	39,569,195	17,254,000	1,014,000	2,334,720
64	Jul 14, 2021 11:10	5,710	42,250,014	16,243,000	2,030,000	2,334,720
65	Jul 14, 2021 11:10	5,711	50,396,729	15,229,000	3,045,000	2,342,912
66	Jul 14, 2021 11:10	5,711	38,236,321	17,259,000	1,015,000	2,334,720
67	Jul 14, 2021 11:10	5,713	41,641,210	17,267,000	1,015,000	2,334,720
68	Jul 14, 2021 11:10	5,713	45,107,555	16,249,000	2,031,000	2,334,720
69	Jul 14, 2021 11:10	5,714	87,874,399	18,284,752	0	2,232,320
70	Jul 14, 2021 11:10	5,714	40,628,303	15,239,000	3,047,000	2,334,720
71	Jul 14, 2021 11:10	5,714	37,808,809	15,239,000	3,047,000	2,334,720
72	Jul 14, 2021 11:10	5,715	42,454,675	15,241,000	3,048,000	2,523,136
73	Jul 14, 2021 11:10	5,716	79,847,451	18,289,623	0	2,236,416
74	Jul 14, 2021 11:10	5,717	35,191,446	16,263,000	2,032,000	2,519,040
75	Jul 14, 2021 11:10	5,718	42,893,052	16,265,000	2,033,000	2,523,136
76	Jul 14, 2021 11:10	5,721	46,564,553	15,256,000	3,051,000	2,310,144
77	Jul 14, 2021 11:10	5,725	65,561,388	18,321,406	0	2,244,608
78	Jul 14, 2021 11:10	5,730	35,468,313	16,300,000	2,037,000	2,334,720
79	Jul 14, 2021 11:10	5,730	86,583,589	18,336,020	0	2,236,416
80	Jul 14, 2021 11:10	5,738	86,299,869	18,362,021	0	2,240,512
81	Jul 14, 2021 11:10	5,739	76,438,069	18,365,172	0	2,236,416
82	Jul 14, 2021 11:10	5,754	75,635,416	18,412,867	0	2,232,320
83	Jul 14, 2021 11:10	5,755	75,832,866	18,416,891	0	2,248,704
84	Jul 14, 2021 11:10	5,765	56,939,683	18,449,232	0	2,232,320
85	Jul 14, 2021 11:10	5,773	88,907,678	18,472,535	0	2,228,224
86	Jul 14, 2021 11:10	5,776	78,591,984	18,482,100	0	2,236,416
87	Jul 14, 2021 11:10	5,817	86,525,930	18,614,115	0	2,228,224
88	Jul 14, 2021 11:10	5,822	87,862,759	18,629,065	0	2,236,416
89	Jul 14, 2021 11:10	5,830	84,979,679	18,654,937	0	2,228,224
90	Jul 14, 2021 11:10	5,838	100,891,190	18,681,223	0	2,236,416
91	Jul 14, 2021 11:10	5,848	84,324,630	18,714,446	0	2,240,512
92	Jul 14, 2021 11:10	5,850	77,248,001	18,719,726	0	2,232,320
93	Jul 14, 2021 11:10	5,887	89,507,069	18,839,112	0	2,269,184
94	Jul 14, 2021 11:10	5,889	75,086,475	18,845,279	0	2,236,416
95	Jul 14, 2021 11:10	6,142	101,555,762	19,653,035	0	2,220,032
96	Jul 14, 2021 11:10	6,174	111,497,461	19,756,488	0	2,256,896

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