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 16, 2021 14:44

Yuriy Lyfenko

Score: 6,202

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	May 16, 2021 14:42	6,096	36,864,217	16,427,000	3,080,000	2,527,232
2	May 16, 2021 14:43	6,113	42,054,909	18,534,000	1,029,000	2,519,040
3	May 16, 2021 14:44	6,116	44,871,360	18,540,000	1,030,000	2,330,624
4	May 16, 2021 14:45	6,117	35,041,228	18,545,000	1,030,000	2,519,040
5	May 16, 2021 14:42	6,117	41,941,328	17,514,000	2,060,000	2,523,136
6	May 16, 2021 14:42	6,117	44,375,521	18,543,000	1,030,000	2,523,136
7	May 16, 2021 14:42	6,117	46,465,226	18,544,000	1,030,000	2,527,232
8	May 16, 2021 14:45	6,118	38,020,832	17,516,000	2,060,000	2,326,528
9	May 16, 2021 14:43	6,118	39,001,721	18,547,000	1,030,000	2,326,528
10	May 16, 2021 14:45	6,119	38,467,860	17,519,000	2,061,000	2,326,528
11	May 16, 2021 14:43	6,119	40,910,506	18,551,000	1,030,000	2,326,528
12	May 16, 2021 14:44	6,120	39,401,777	17,522,000	2,061,000	2,326,528
13	May 16, 2021 14:43	6,121	41,653,729	17,526,000	2,061,000	2,519,040
14	May 16, 2021 14:44	6,123	41,811,532	18,561,000	1,031,000	2,326,528
15	May 16, 2021 14:42	6,123	49,040,733	18,564,000	1,031,000	2,510,848
16	May 16, 2021 14:42	6,123	46,881,215	17,530,000	2,062,000	2,514,944
17	May 16, 2021 14:42	6,123	40,850,626	18,562,000	1,031,000	2,519,040
18	May 16, 2021 14:43	6,124	35,159,044	18,566,000	1,031,000	2,326,528
19	May 16, 2021 14:42	6,124	51,069,627	17,535,000	2,062,000	2,314,240
20	May 16, 2021 14:43	6,125	42,221,975	18,568,000	1,031,000	2,506,752
21	May 16, 2021 14:42	6,125	49,881,910	17,538,000	2,063,000	2,314,240
22	May 16, 2021 14:45	6,126	46,115,508	17,541,000	2,063,000	2,326,528
23	May 16, 2021 14:42	6,126	42,468,369	17,539,000	2,063,000	2,326,528
24	May 16, 2021 14:42	6,126	36,174,040	17,540,000	2,063,000	2,326,528
25	May 16, 2021 14:42	6,126	40,396,904	18,571,000	1,031,000	2,330,624
26	May 16, 2021 14:42	6,128	42,316,714	19,611,000	0	2,330,624
27	May 16, 2021 14:42	6,131	45,463,154	17,555,000	2,065,000	2,326,528
28	May 16, 2021 14:42	6,133	43,076,685	17,559,000	2,065,000	2,519,040
29	May 16, 2021 14:42	6,133	49,170,541	19,627,000	0	2,330,624
30	May 16, 2021 14:43	6,134	46,341,834	18,596,000	1,033,000	2,326,528
31	May 16, 2021 14:42	6,134	46,137,965	16,531,000	3,099,000	2,383,872
32	May 16, 2021 14:42	6,136	38,466,066	17,569,000	2,067,000	2,326,528
33	May 16, 2021 14:43	6,138	47,314,026	18,608,000	1,033,000	2,510,848
34	May 16, 2021 14:42	6,138	48,451,772	18,608,000	1,033,000	2,355,200
35	May 16, 2021 14:42	6,138	50,926,232	19,643,000	0	2,326,528
36	May 16, 2021 14:45	6,139	49,137,710	15,717,000	3,929,000	2,326,528
37	May 16, 2021 14:44	6,140	47,274,648	18,614,000	1,034,000	2,330,624
38	May 16, 2021 14:42	6,140	49,291,265	19,649,000	0	2,375,680
39	May 16, 2021 14:42	6,141	45,195,296	18,616,000	1,034,000	2,519,040
40	May 16, 2021 14:42	6,142	43,949,578	18,619,000	1,034,000	2,326,528
41	May 16, 2021 14:45	6,143	47,355,795	17,588,000	2,069,000	2,519,040
42	May 16, 2021 14:42	6,143	47,914,170	17,589,000	2,069,000	2,326,528
43	May 16, 2021 14:45	6,144	49,014,601	17,592,000	2,069,000	2,326,528
44	May 16, 2021 14:45	6,144	44,669,777	17,592,000	2,069,000	2,326,528
45	May 16, 2021 14:45	6,144	45,458,341	19,662,000	0	2,506,752
46	May 16, 2021 14:45	6,146	48,335,501	18,632,000	1,035,000	2,326,528
47	May 16, 2021 14:44	6,147	55,027,096	18,635,000	1,035,000	2,326,528
48	May 16, 2021 14:44	6,148	49,777,959	16,568,000	3,106,000	2,514,944
49	May 16, 2021 14:43	6,148	48,323,910	18,638,000	1,035,000	2,330,624
50	May 16, 2021 14:45	6,149	45,329,808	17,605,000	2,071,000	2,330,624
51	May 16, 2021 14:43	6,150	49,183,383	18,645,000	1,035,000	2,326,528
52	May 16, 2021 14:43	6,151	44,941,427	17,612,000	2,072,000	2,326,528
53	May 16, 2021 14:42	6,152	48,549,248	17,615,000	2,072,000	2,326,528
54	May 16, 2021 14:43	6,153	48,755,664	17,619,000	2,072,000	2,523,136
55	May 16, 2021 14:43	6,156	46,318,666	19,700,000	0	2,510,848
56	May 16, 2021 14:42	6,157	53,984,105	18,665,000	1,036,000	2,519,040
57	May 16, 2021 14:42	6,157	45,374,338	19,702,000	0	2,531,328
58	May 16, 2021 14:44	6,168	45,011,517	17,660,000	2,077,000	2,527,232
59	May 16, 2021 14:43	6,183	42,604,231	16,817,000	2,967,000	2,506,752
60	May 16, 2021 14:42	6,199	83,411,324	19,836,099	0	2,220,032
61	May 16, 2021 14:42	6,200	92,848,242	19,841,537	0	2,232,320
62	May 16, 2021 14:42	6,202	45,820,235	18,853,000	992,000	2,318,336
63	May 16, 2021 14:42	6,204	75,210,401	19,854,292	0	2,236,416
64	May 16, 2021 14:42	6,207	86,804,994	19,862,051	0	2,215,936
65	May 16, 2021 14:42	6,207	47,037,160	17,875,000	1,986,000	2,326,528
66	May 16, 2021 14:44	6,208	84,382,645	19,866,680	0	2,240,512
67	May 16, 2021 14:45	6,209	43,442,876	18,877,000	993,000	2,326,528
68	May 16, 2021 14:43	6,209	45,512,959	16,888,000	2,980,000	2,506,752
69	May 16, 2021 14:45	6,210	105,202,942	19,871,962	0	2,220,032
70	May 16, 2021 14:44	6,210	46,089,623	18,878,000	993,000	2,523,136
71	May 16, 2021 14:43	6,211	82,852,149	19,874,973	0	2,228,224
72	May 16, 2021 14:43	6,211	47,029,623	18,883,000	993,000	2,523,136
73	May 16, 2021 14:45	6,212	48,503,720	17,890,000	1,987,000	2,326,528
74	May 16, 2021 14:42	6,212	47,717,806	17,891,000	1,987,000	2,519,040
75	May 16, 2021 14:45	6,213	49,144,987	17,893,000	1,988,000	2,326,528
76	May 16, 2021 14:45	6,213	51,376,230	16,901,000	2,982,000	2,326,528
77	May 16, 2021 14:43	6,213	39,178,159	18,887,000	994,000	2,514,944
78	May 16, 2021 14:42	6,213	50,067,951	16,899,000	2,982,000	2,519,040
79	May 16, 2021 14:42	6,214	47,085,807	18,891,000	994,000	2,519,040
80	May 16, 2021 14:42	6,214	44,457,564	17,896,000	1,988,000	2,523,136
81	May 16, 2021 14:42	6,215	51,780,936	17,899,000	1,988,000	2,527,232
82	May 16, 2021 14:42	6,215	48,129,501	18,894,000	994,000	2,326,528
83	May 16, 2021 14:42	6,216	50,349,511	17,903,000	1,989,000	2,326,528
84	May 16, 2021 14:43	6,217	52,909,526	18,901,000	994,000	2,527,232
85	May 16, 2021 14:45	6,222	78,384,656	19,909,562	0	2,232,320
86	May 16, 2021 14:45	6,222	97,406,042	19,911,719	0	2,224,128
87	May 16, 2021 14:42	6,223	95,216,226	19,915,031	0	2,220,032
88	May 16, 2021 14:42	6,227	89,171,737	19,926,799	0	2,224,128
89	May 16, 2021 14:42	6,227	77,945,989	19,924,813	0	2,232,320
90	May 16, 2021 14:44	6,228	86,957,261	19,929,437	0	2,220,032
91	May 16, 2021 14:42	6,230	90,208,347	19,937,475	0	2,232,320
92	May 16, 2021 14:44	6,232	90,435,264	19,941,882	0	2,220,032
93	May 16, 2021 14:43	6,235	79,248,076	19,952,950	0	2,228,224
94	May 16, 2021 14:44	6,235	42,501,068	16,960,000	2,993,000	2,514,944
95	May 16, 2021 14:45	6,236	90,452,596	19,955,941	0	2,232,320
96	May 16, 2021 14:44	6,237	96,604,371	19,958,678	0	2,228,224
97	May 16, 2021 14:43	6,240	76,629,505	19,966,907	0	2,224,128
98	May 16, 2021 14:45	6,242	91,050,087	19,975,516	0	2,232,320
99	May 16, 2021 14:45	6,242	77,619,474	19,975,549	0	2,220,032
100	May 16, 2021 14:43	6,242	81,194,617	19,975,440	0	2,228,224
101	May 16, 2021 14:45	6,252	82,640,086	20,007,050	0	2,232,320
102	May 16, 2021 14:45	6,258	45,767,410	19,025,000	1,001,000	2,510,848
103	May 16, 2021 14:45	6,259	87,879,946	20,027,808	0	2,224,128
104	May 16, 2021 14:45	6,260	92,406,322	20,032,114	0	2,220,032
105	May 16, 2021 14:42	6,263	94,000,780	20,041,500	0	2,228,224
106	May 16, 2021 14:42	6,264	94,297,354	20,045,069	0	2,228,224
107	May 16, 2021 14:42	6,268	71,104,599	20,056,571	0	2,224,128
108	May 16, 2021 14:42	6,268	105,069,577	20,057,083	0	2,220,032
109	May 16, 2021 14:43	6,278	89,498,830	20,089,592	0	2,232,320
110	May 16, 2021 14:43	6,284	85,233,295	20,109,750	0	2,220,032
111	May 16, 2021 14:45	6,292	93,290,378	20,135,280	0	2,224,128
112	May 16, 2021 14:42	6,292	84,847,567	20,133,911	0	2,220,032
113	May 16, 2021 14:44	6,294	81,009,222	20,141,346	0	2,236,416
114	May 16, 2021 14:42	6,295	83,205,493	20,144,040	0	2,220,032
115	May 16, 2021 14:45	6,300	91,875,186	20,159,145	0	2,224,128
116	May 16, 2021 14:45	6,303	51,627,402	18,153,000	2,017,000	2,510,848
117	May 16, 2021 14:44	6,342	81,315,196	20,293,881	0	2,220,032
118	May 16, 2021 14:45	6,352	46,846,402	17,277,000	3,048,000	2,314,240
119	May 16, 2021 14:44	6,359	90,551,008	20,349,444	0	2,224,128
120	May 16, 2021 14:45	6,387	90,120,494	20,439,549	0	2,220,032
121	May 16, 2021 14:42	6,403	86,342,952	20,490,530	0	2,232,320
122	May 16, 2021 14:44	6,422	65,522,011	20,549,422	0	2,228,224
123	May 16, 2021 14:44	6,442	93,253,460	20,614,030	0	2,224,128

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