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 26, 2022 12:23

Keichi Takahashi

Score: 5,327

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 26, 2022 12:10	5,274	36,641,173	14,893,000	1,985,000	2,527,232
2	May 26, 2022 12:10	5,276	38,764,846	14,897,000	1,986,000	2,392,064
3	May 29, 2022 15:55	5,280	33,761,795	15,902,000	993,000	2,265,088
4	May 26, 2022 12:13	5,281	35,623,968	14,910,000	1,988,000	2,383,872
5	May 26, 2022 12:11	5,281	36,826,176	14,911,000	1,988,000	2,387,968
6	May 26, 2022 12:11	5,282	47,689,979	15,909,000	994,000	2,265,088
7	May 26, 2022 12:10	5,282	44,233,467	15,908,000	994,000	2,387,968
8	May 29, 2022 15:55	5,286	43,737,415	15,858,000	1,057,000	2,392,064
9	May 29, 2022 15:55	5,288	33,391,202	14,931,000	1,990,000	2,392,064
10	May 26, 2022 12:11	5,290	42,181,233	14,937,000	1,991,000	2,506,752
11	May 29, 2022 15:55	5,291	42,153,482	14,939,000	1,991,000	2,265,088
12	May 29, 2022 15:55	5,291	32,742,141	15,936,000	996,000	2,265,088
13	May 29, 2022 15:55	5,292	33,826,009	14,943,000	1,992,000	2,392,064
14	May 29, 2022 15:55	5,293	45,956,086	14,945,000	1,992,000	2,383,872
15	May 26, 2022 12:03	5,296	41,463,801	14,954,000	1,993,000	2,387,968
16	May 29, 2022 15:55	5,297	43,828,198	14,956,000	1,994,000	2,265,088
17	May 26, 2022 12:03	5,297	32,653,927	14,956,000	1,994,000	2,265,088
18	May 29, 2022 15:55	5,298	35,278,520	15,957,000	997,000	2,269,184
19	May 29, 2022 15:55	5,299	38,034,215	15,959,000	997,000	2,379,776
20	May 26, 2022 12:11	5,299	44,213,212	15,960,000	997,000	2,265,088
21	May 26, 2022 12:03	5,299	33,056,567	14,962,000	1,994,000	2,387,968
22	May 29, 2022 15:55	5,300	32,951,788	14,966,000	1,995,000	2,265,088
23	May 26, 2022 12:13	5,300	41,961,726	15,962,000	997,000	2,502,656
24	May 29, 2022 16:09	5,301	43,597,932	14,967,000	1,995,000	2,392,064
25	May 29, 2022 16:09	5,301	43,725,758	14,969,000	1,995,000	2,527,232
26	May 29, 2022 15:55	5,301	47,074,520	15,965,000	997,000	2,392,064
27	May 29, 2022 15:55	5,301	43,194,229	15,966,000	997,000	2,269,184
28	May 26, 2022 12:23	5,301	46,211,994	15,965,000	997,000	2,396,160
29	May 26, 2022 12:23	5,302	47,358,147	15,968,000	998,000	2,265,088
30	May 26, 2022 12:23	5,302	44,322,008	14,971,000	1,996,000	2,392,064
31	May 26, 2022 12:10	5,302	43,302,293	14,970,000	1,996,000	2,387,968
32	May 26, 2022 12:12	5,303	33,608,216	14,975,000	1,996,000	2,387,968
33	May 29, 2022 15:55	5,304	50,745,249	15,975,000	998,000	2,527,232
34	May 26, 2022 12:13	5,305	37,757,648	15,978,000	998,000	2,265,088
35	May 26, 2022 12:11	5,305	41,225,713	14,980,000	1,997,000	2,396,160
36	May 29, 2022 15:55	5,307	43,435,706	14,985,000	1,998,000	2,387,968
37	May 26, 2022 12:03	5,307	36,432,819	14,985,000	1,998,000	2,265,088
38	May 26, 2022 12:11	5,308	40,841,400	14,989,000	1,998,000	2,265,088
39	May 29, 2022 15:55	5,309	40,901,527	15,991,000	999,000	2,502,656
40	May 29, 2022 15:55	5,309	44,759,791	14,992,000	1,998,000	2,265,088
41	May 26, 2022 12:11	5,309	42,921,793	14,991,000	1,998,000	2,269,184
42	May 29, 2022 15:55	5,311	46,557,658	15,995,000	999,000	2,383,872
43	May 29, 2022 15:55	5,311	41,489,868	15,996,000	999,000	2,265,088
44	May 26, 2022 12:13	5,311	35,924,062	14,995,000	1,999,000	2,527,232
45	May 29, 2022 15:55	5,312	43,305,654	14,998,000	1,999,000	2,265,088
46	May 26, 2022 12:12	5,313	47,237,547	15,002,000	2,000,000	2,265,088
47	May 29, 2022 15:55	5,314	37,484,293	15,004,000	2,000,000	2,383,872
48	May 26, 2022 12:13	5,314	34,935,477	15,006,000	2,000,000	2,265,088
49	May 26, 2022 12:12	5,314	41,920,286	16,006,000	1,000,000	2,396,160
50	May 26, 2022 12:03	5,314	43,782,656	16,006,000	1,000,000	2,392,064
51	May 29, 2022 16:09	5,316	34,504,687	15,011,000	2,001,000	2,265,088
52	May 29, 2022 15:55	5,316	48,956,709	16,012,000	1,000,000	2,265,088
53	May 26, 2022 12:12	5,316	44,186,004	16,012,000	1,000,000	2,392,064
54	May 26, 2022 12:10	5,317	45,320,492	16,014,000	1,000,000	2,502,656
55	May 26, 2022 12:23	5,318	31,138,553	15,015,000	2,002,000	2,265,088
56	May 29, 2022 16:09	5,319	38,575,003	15,018,000	2,002,000	2,265,088
57	May 29, 2022 15:55	5,319	47,509,373	15,019,000	2,002,000	2,523,136
58	May 29, 2022 15:55	5,319	45,525,810	15,018,000	2,002,000	2,387,968
59	May 29, 2022 15:55	5,321	43,351,341	15,023,000	2,003,000	2,265,088
60	May 29, 2022 15:55	5,322	35,819,450	16,030,000	1,001,000	2,527,232
61	May 29, 2022 15:55	5,324	38,249,852	16,036,000	1,002,000	2,265,088
62	May 26, 2022 12:10	5,324	42,751,990	16,034,000	1,002,000	2,265,088
63	May 26, 2022 12:10	5,324	42,831,835	16,035,000	1,002,000	2,265,088
64	May 29, 2022 16:09	5,325	46,950,039	16,039,000	1,002,000	2,396,160
65	May 26, 2022 12:12	5,325	42,024,891	15,036,000	2,004,000	2,387,968
66	May 29, 2022 15:55	5,326	35,891,936	16,042,000	1,002,000	2,387,968
67	May 26, 2022 12:23	5,327	37,617,746	15,041,000	2,005,000	2,527,232
68	May 26, 2022 12:03	5,327	35,080,900	15,042,000	2,005,000	2,265,088
69	May 26, 2022 12:03	5,328	38,636,187	16,048,000	1,003,000	2,383,872
70	May 26, 2022 12:11	5,329	34,814,180	15,047,000	2,006,000	2,498,560
71	May 26, 2022 12:10	5,329	41,904,476	16,049,000	1,003,000	2,506,752
72	May 29, 2022 16:09	5,330	44,883,572	15,050,000	2,006,000	2,396,160
73	May 26, 2022 12:13	5,330	35,608,833	16,054,000	1,003,000	2,265,088
74	May 26, 2022 12:12	5,330	43,384,527	16,053,000	1,003,000	2,387,968
75	May 29, 2022 15:55	5,331	47,380,952	15,052,000	2,006,000	2,392,064
76	May 26, 2022 12:11	5,332	45,071,588	16,059,000	1,003,000	2,392,064
77	May 26, 2022 12:10	5,332	33,148,398	16,058,000	1,003,000	2,265,088
78	May 26, 2022 12:23	5,333	46,345,907	15,058,000	2,007,000	2,265,088
79	May 29, 2022 15:55	5,334	45,220,910	16,065,000	1,004,000	2,383,872
80	May 29, 2022 16:09	5,337	33,749,021	15,070,000	2,009,000	2,265,088
81	May 29, 2022 15:55	5,337	34,855,822	15,068,000	2,009,000	2,265,088
82	May 29, 2022 15:55	5,339	32,626,370	16,081,000	1,005,000	2,383,872
83	May 26, 2022 12:23	5,339	42,962,052	15,076,000	2,010,000	2,265,088
84	May 26, 2022 12:13	5,339	38,121,709	16,081,000	1,005,000	2,383,872
85	May 29, 2022 15:55	5,340	42,497,282	15,078,000	2,010,000	2,379,776
86	May 26, 2022 12:23	5,340	37,961,665	15,079,000	2,010,000	2,265,088
87	May 26, 2022 12:03	5,340	40,500,083	15,078,000	2,010,000	2,482,176
88	May 29, 2022 16:09	5,341	42,869,350	16,087,000	1,005,000	2,265,088
89	May 26, 2022 12:12	5,341	42,513,402	16,086,000	1,005,000	2,265,088
90	May 29, 2022 16:09	5,343	45,142,594	16,093,000	1,005,000	2,383,872
91	May 29, 2022 15:55	5,343	37,509,209	16,093,000	1,005,000	2,265,088
92	May 26, 2022 12:23	5,343	44,030,900	16,094,000	1,005,000	2,265,088
93	May 26, 2022 12:12	5,343	43,001,521	16,092,000	1,005,000	2,265,088
94	May 29, 2022 15:55	5,345	47,835,634	15,093,000	2,012,000	2,387,968
95	May 26, 2022 12:13	5,349	33,578,320	15,104,000	2,013,000	2,265,088
96	May 26, 2022 12:13	5,350	48,146,394	15,105,000	2,014,000	2,265,088
97	May 29, 2022 15:55	5,353	49,178,060	15,115,000	2,015,000	2,392,064
98	May 26, 2022 12:12	5,361	46,544,821	15,136,000	2,018,000	2,387,968
99	May 26, 2022 12:03	5,363	49,001,478	16,153,000	1,009,000	2,392,064
100	May 26, 2022 12:23	5,488	85,576,179	17,562,204	0	2,285,568
101	May 26, 2022 12:10	5,490	92,949,082	17,568,574	0	2,273,280
102	May 29, 2022 15:55	5,495	81,940,217	17,582,497	0	2,244,608
103	May 29, 2022 16:09	5,495	80,449,337	17,582,742	0	2,277,376
104	May 26, 2022 12:03	5,496	79,350,946	17,585,996	0	2,244,608
105	May 29, 2022 16:09	5,496	99,722,900	17,586,595	0	2,273,280
106	May 26, 2022 12:03	5,497	94,603,710	17,591,214	0	2,273,280
107	May 29, 2022 15:55	5,499	69,362,949	17,596,284	0	2,277,376
108	May 26, 2022 12:23	5,500	68,026,470	17,600,972	0	2,240,512
109	May 26, 2022 12:11	5,501	82,194,502	17,604,730	0	2,269,184
110	May 29, 2022 15:55	5,501	74,702,890	17,603,309	0	2,277,376
111	May 26, 2022 12:13	5,502	81,061,510	17,606,681	0	2,281,472
112	May 29, 2022 15:55	5,502	84,572,493	17,607,988	0	2,277,376
113	May 26, 2022 12:12	5,505	78,374,604	17,615,442	0	2,285,568
114	May 26, 2022 12:12	5,506	93,413,901	17,618,066	0	2,289,664
115	May 29, 2022 15:55	5,506	86,975,535	17,619,320	0	2,297,856
116	May 26, 2022 12:13	5,508	86,226,151	17,626,283	0	2,277,376
117	May 29, 2022 15:55	5,508	73,914,391	17,625,655	0	2,285,568
118	May 26, 2022 12:11	5,509	59,851,271	17,629,819	0	2,277,376
119	May 26, 2022 12:10	5,510	82,095,375	17,633,444	0	2,281,472
120	May 26, 2022 12:12	5,512	56,251,240	17,639,697	0	2,277,376
121	May 29, 2022 15:55	5,518	79,278,492	17,658,315	0	2,273,280
122	May 26, 2022 12:10	5,519	79,509,370	17,661,105	0	2,285,568
123	May 26, 2022 12:23	5,521	78,629,619	17,667,181	0	2,289,664
124	May 29, 2022 15:55	5,523	87,190,276	17,672,624	0	2,281,472
125	May 29, 2022 15:55	5,524	87,808,522	17,675,343	0	2,281,472
126	May 29, 2022 15:55	5,525	75,344,557	17,679,959	0	2,277,376
127	May 29, 2022 16:09	5,525	73,397,955	17,680,813	0	2,273,280
128	May 26, 2022 12:11	5,528	81,071,845	17,690,312	0	2,285,568
129	May 26, 2022 12:03	5,540	88,782,473	17,728,005	0	2,289,664
130	May 29, 2022 15:55	5,541	80,837,711	17,731,392	0	2,281,472
131	May 29, 2022 15:55	5,544	67,089,989	17,740,610	0	2,289,664
132	May 26, 2022 12:13	5,546	63,410,299	17,746,087	0	2,277,376

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