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 15, 2021 22:51

Yurkov AlekseyScore: 164,859Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 15, 2021 22:51	99,017	99,601,771	36,636,278	0	2,273,280
2	Jul 15, 2021 22:51	99,204	108,444,606	36,705,311	0	2,265,088
3	Jul 15, 2021 22:51	99,246	91,785,768	36,720,958	0	2,260,992
4	Jul 15, 2021 22:51	99,555	91,716,414	36,835,388	0	2,260,992
5	Jul 15, 2021 22:51	99,667	99,064,143	36,876,910	0	2,281,472
6	Jul 15, 2021 22:51	100,145	95,623,270	37,053,520	0	2,269,184
7	Jul 15, 2021 22:51	100,444	106,601,971	37,164,460	0	2,256,896
8	Jul 15, 2021 22:51	100,704	117,339,058	37,260,450	0	2,265,088
9	Jul 15, 2021 22:51	100,779	114,092,056	37,288,055	0	2,277,376
10	Jul 15, 2021 22:51	164,403	89,817,521	58,835,000	1,994,000	2,281,472
11	Jul 15, 2021 22:51	164,473	85,347,346	59,841,000	1,014,000	2,383,872
12	Jul 15, 2021 22:51	164,505	85,216,642	58,872,000	1,995,000	2,269,184
13	Jul 15, 2021 22:51	164,508	87,578,202	58,873,000	1,995,000	2,289,664
14	Jul 15, 2021 22:51	164,686	88,528,603	59,936,000	998,000	2,289,664
15	Jul 15, 2021 22:51	164,781	88,059,292	59,970,000	999,000	2,289,664
16	Jul 15, 2021 22:51	164,786	81,292,481	58,972,000	1,999,000	2,269,184
17	Jul 15, 2021 22:51	164,800	83,815,939	58,977,000	1,999,000	2,289,664
18	Jul 15, 2021 22:51	164,857	81,737,159	59,998,000	999,000	2,289,664
19	Jul 15, 2021 22:51	164,859	88,319,440	58,999,000	1,999,000	2,531,328
20	Jul 15, 2021 22:51	164,922	82,663,831	59,021,000	2,000,000	2,273,280
21	Jul 15, 2021 22:51	164,986	84,797,067	60,045,000	1,000,000	2,273,280
22	Jul 15, 2021 22:51	165,000	82,565,428	59,049,000	2,001,000	2,289,664
23	Jul 15, 2021 22:51	165,011	85,083,594	59,053,000	2,001,000	2,273,280
24	Jul 15, 2021 22:51	165,132	82,077,297	59,096,000	2,003,000	2,289,664
25	Jul 15, 2021 22:51	165,216	86,637,183	59,126,000	2,004,000	2,289,664
26	Jul 15, 2021 22:51	165,241	83,062,575	59,135,000	2,004,000	2,527,232
27	Jul 15, 2021 22:51	165,276	83,242,226	59,147,000	2,005,000	2,273,280
28	Jul 15, 2021 22:51	165,503	82,173,373	60,233,000	1,003,000	2,269,184
29	Jul 15, 2021 22:51	165,516	83,757,288	59,234,000	2,007,000	2,289,664
30	Jul 15, 2021 22:51	165,851	88,241,842	61,365,000	0	2,289,664
31	Jul 15, 2021 22:51	165,989	81,974,249	60,410,000	1,006,000	2,289,664
32	Jul 15, 2021 22:51	166,008	89,771,153	60,417,000	1,006,000	2,277,376
33	Jul 15, 2021 22:51	166,070	88,820,383	59,432,000	2,014,000	2,289,664
34	Jul 15, 2021 22:51	166,378	87,557,385	61,560,000	0	2,359,296
35	Jul 15, 2021 22:51	167,286	87,659,027	59,900,000	1,996,000	2,273,280
36	Jul 15, 2021 22:51	167,795	86,558,233	61,083,000	1,001,000	2,289,664

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