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 listMay 26, 2025 06:16

E SequeiraScore: 91,643Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 26, 2025 06:23	90,416	56,041,887	31,427,000	2,027,000	2,269,184
2	May 26, 2025 06:23	90,743	59,568,381	32,558,000	1,017,000	2,269,184
3	May 26, 2025 06:39	90,900	64,421,111	32,614,000	1,019,000	2,285,568
4	May 26, 2025 06:23	91,086	58,407,483	32,681,000	1,021,000	2,265,088
5	May 26, 2025 06:23	91,424	60,527,163	32,833,000	994,000	2,285,568
6	May 26, 2025 06:39	91,441	58,913,218	32,838,000	995,000	2,285,568
7	May 26, 2025 06:23	91,446	65,726,531	31,845,000	1,990,000	2,285,568
8	May 26, 2025 06:39	91,457	60,786,329	32,844,000	995,000	2,260,992
9	May 26, 2025 06:16	91,462	59,693,362	31,851,000	1,990,000	2,269,184
10	May 26, 2025 06:16	91,486	62,756,205	31,859,000	1,991,000	2,285,568
11	May 26, 2025 06:39	91,492	59,840,342	32,857,000	995,000	2,363,392
12	May 26, 2025 06:16	91,497	64,123,414	31,863,000	1,991,000	2,285,568
13	May 26, 2025 06:23	91,557	62,096,794	32,850,000	1,026,000	2,285,568
14	May 26, 2025 06:40	91,570	58,169,308	31,888,000	1,993,000	2,260,992
15	May 26, 2025 06:39	91,641	62,513,621	31,913,000	1,994,000	2,285,568
16	May 26, 2025 06:39	91,643	62,355,060	31,914,000	1,994,000	2,285,568
17	May 26, 2025 06:16	91,686	68,174,018	31,929,000	1,995,000	2,285,568
18	May 26, 2025 06:39	91,689	65,644,798	31,930,000	1,995,000	2,285,568
19	May 26, 2025 06:40	91,738	62,169,614	31,947,000	1,996,000	2,285,568
20	May 26, 2025 06:16	91,795	57,475,226	31,967,000	1,997,000	2,265,088
21	May 26, 2025 06:39	91,838	61,137,131	31,982,000	1,998,000	2,269,184
22	May 26, 2025 06:16	91,927	64,153,090	32,013,000	2,000,000	2,285,568
23	May 26, 2025 06:23	91,954	64,219,786	33,023,000	1,000,000	2,285,568
24	May 26, 2025 06:23	92,127	59,050,471	32,082,000	2,005,000	2,273,280
25	May 26, 2025 06:16	92,173	67,204,200	32,098,000	2,006,000	2,285,568
26	May 26, 2025 06:40	92,192	57,037,509	32,105,000	2,006,000	2,285,568
27	May 26, 2025 06:16	92,203	57,222,476	32,109,000	2,006,000	2,519,040
28	May 26, 2025 06:39	92,254	60,264,765	32,127,000	2,007,000	2,510,848
29	May 26, 2025 06:23	92,497	56,066,607	32,211,000	2,013,000	2,269,184
30	May 26, 2025 06:16	92,681	55,890,458	32,275,000	2,017,000	2,523,136

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