TopK

Find the sum of the 100 largest values in a stream of binary integers as fast as possible.

Input: 100 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of the top 100 greatest values, printed as a decimal string.

Restrictions:60s512Mb 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 13, 2021 20:18

Yuriy LyfenkoScore: 88,778Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 20:18	87,130	554,595,329	30,224,000	2,014,000	2,306,048
2	Jul 13, 2021 20:18	87,224	557,510,604	29,248,000	3,025,000	2,306,048
3	Jul 13, 2021 20:18	87,508	555,417,920	31,367,000	1,011,000	2,301,952
4	Jul 13, 2021 20:18	87,889	558,691,524	31,503,000	1,016,000	2,486,272
5	Jul 13, 2021 20:18	87,984	563,681,290	31,537,000	1,017,000	2,301,952
6	Jul 13, 2021 20:18	88,016	560,322,111	30,531,000	2,035,000	2,301,952
7	Jul 13, 2021 20:16	88,032	561,139,703	32,572,000	0	2,306,048
8	Jul 13, 2021 20:18	88,089	561,079,037	31,575,000	1,018,000	2,306,048
9	Jul 13, 2021 20:18	88,097	562,281,741	31,578,000	1,018,000	2,310,144
10	Jul 13, 2021 20:18	88,103	558,804,714	30,561,000	2,037,000	2,301,952
11	Jul 13, 2021 20:18	88,154	559,501,902	30,579,000	2,038,000	2,486,272
12	Jul 13, 2021 20:16	88,259	562,449,243	29,688,000	2,968,000	2,301,952
13	Jul 13, 2021 20:18	88,546	561,060,071	31,770,000	992,000	2,306,048
14	Jul 13, 2021 20:16	88,551	584,412,142	32,763,732	0	2,224,128
15	Jul 13, 2021 20:18	88,559	558,650,233	29,789,000	2,978,000	2,306,048
16	Jul 13, 2021 20:16	88,570	558,080,489	30,785,000	1,986,000	2,359,296
17	Jul 13, 2021 20:18	88,573	556,892,613	29,793,000	2,979,000	2,310,144
18	Jul 13, 2021 20:18	88,576	563,963,253	29,794,000	2,979,000	2,301,952
19	Jul 13, 2021 20:18	88,586	593,280,350	32,776,773	0	2,289,664
20	Jul 13, 2021 20:18	88,595	559,589,953	30,794,000	1,986,000	2,306,048
21	Jul 13, 2021 20:18	88,624	564,326,925	30,804,000	1,987,000	2,306,048
22	Jul 13, 2021 20:16	88,627	558,805,755	28,818,000	3,974,000	2,306,048
23	Jul 13, 2021 20:16	88,681	559,385,707	30,824,000	1,988,000	2,301,952
24	Jul 13, 2021 20:16	88,686	562,432,113	30,826,000	1,988,000	2,330,624
25	Jul 13, 2021 20:18	88,768	558,886,655	31,849,000	995,000	2,306,048
26	Jul 13, 2021 20:18	88,778	557,904,372	30,858,000	1,990,000	2,490,368
27	Jul 13, 2021 20:18	88,805	560,747,023	30,867,000	1,991,000	2,301,952
28	Jul 13, 2021 20:16	88,858	594,482,382	32,877,457	0	2,232,320
29	Jul 13, 2021 20:18	88,876	557,757,371	30,891,000	1,993,000	2,490,368
30	Jul 13, 2021 20:18	88,959	588,573,939	32,915,002	0	2,228,224
31	Jul 13, 2021 20:18	88,962	558,583,529	30,922,000	1,994,000	2,306,048
32	Jul 13, 2021 20:18	88,968	558,327,327	30,923,000	1,995,000	2,486,272
33	Jul 13, 2021 20:18	89,005	558,799,625	29,939,000	2,993,000	2,306,048
34	Jul 13, 2021 20:18	89,063	604,706,518	32,953,339	0	2,228,224
35	Jul 13, 2021 20:18	89,089	591,225,843	32,963,071	0	2,293,760
36	Jul 13, 2021 20:18	89,138	561,044,603	30,983,000	1,998,000	2,310,144
37	Jul 13, 2021 20:18	89,146	587,297,898	32,984,198	0	2,285,568
38	Jul 13, 2021 20:16	89,176	561,888,786	29,996,000	2,999,000	2,306,048
39	Jul 13, 2021 20:16	89,286	599,831,311	33,035,748	0	2,224,128
40	Jul 13, 2021 20:18	89,337	601,449,270	33,054,507	0	2,224,128
41	Jul 13, 2021 20:18	89,420	616,308,744	33,085,455	0	2,224,128
42	Jul 13, 2021 20:18	89,423	595,617,066	33,086,549	0	2,228,224
43	Jul 13, 2021 20:18	89,431	589,142,850	33,089,341	0	2,277,376
44	Jul 13, 2021 20:18	89,434	600,610,267	33,090,584	0	2,232,320
45	Jul 13, 2021 20:18	89,470	556,982,592	31,098,000	2,006,000	2,306,048
46	Jul 13, 2021 20:16	89,486	556,490,438	31,104,000	2,006,000	2,310,144
47	Jul 13, 2021 20:16	89,497	560,022,502	30,104,000	3,010,000	2,306,048
48	Jul 13, 2021 20:18	89,708	559,725,352	31,181,000	2,011,000	2,498,560
49	Jul 13, 2021 20:18	89,776	557,510,530	31,204,000	2,013,000	2,306,048
50	Jul 13, 2021 20:18	89,966	585,345,126	33,287,359	0	2,224,128
51	Jul 13, 2021 20:18	90,319	596,228,812	33,417,956	0	2,232,320

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