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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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.

Date	Author	Language	Status	Score
Nov 23, 2024 16:47	E Sequeira	CPPg++13.2.0	Success	384,508+3.83 RP
Nov 23, 2024 16:47	E Sequeira	CPPg++13.2.0	Success	21,040,854
Nov 23, 2024 16:47	E Sequeira	CPPclang++18.1.3	Success	21,606,541
Nov 23, 2024 16:46	E Sequeira	CPPclang++18.1.3	Success	450,811+22.18 RP
Nov 23, 2024 16:02	NoSIMD_C#	CSHARP9.0.0-rc.2	Success	277,830+9.18 RP
Nov 23, 2024 15:53	NoSIMD_C#	CSHARP9.0.0-rc.2	Success	568,086
Nov 23, 2024 06:57	NoSIMD_C#	CSHARP9.0.0-rc.2	Success	318,962
Nov 23, 2024 06:20	NoSIMD_C#	CSHARP9.0.0-rc.2	Success	318,430+30.94 RP
Nov 23, 2024 06:07	NoSIMD_C#	CSHARP9.0.0-rc.2	Error
Nov 23, 2024 05:45	NoSIMD_C#	CSHARP9.0.0-rc.2	Error
Nov 23, 2024 05:43	NoSIMD_C#	CSHARP9.0.0-rc.2	Error
Nov 23, 2024 05:39	NoSIMD_C#	CSHARP9.0.0-rc.2	Error
Nov 23, 2024 05:02	NoSIMD_C#	CSHARP9.0.0-rc.2	Error
Nov 23, 2024 02:25	Dan Stolyarov	CPPclang++18.1.3	Success	300,014+0.14 RP
Nov 22, 2024 18:30	Dan Stolyarov	CPPclang++18.1.3	Success	356,943
Nov 22, 2024 18:29	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 22, 2024 18:27	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 22, 2024 07:45	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 22, 2024 07:42	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 22, 2024 07:36	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 13, 2024 14:36	Dan Stolyarov	CPPclang++18.1.3	Success	302,900
Nov 13, 2024 14:27	Dan Stolyarov	CPPclang++18.1.3	Success	301,286+32.73 RP
Nov 13, 2024 14:25	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 13, 2024 14:21	Dan Stolyarov	CPPclang++18.1.3	Error
Nov 13, 2024 13:56	Dan Stolyarov	CPPclang++18.1.3	Success	21,581,722+0.46 RP
Nov 8, 2024 18:46	spacecat8086	CPPclang++18.1.3	Success	21,614,765+0.46 RP
Nov 7, 2024 08:04	NoSIMD_C#	CSHARP9.0.0-rc.2	Error
Nov 7, 2024 07:33	NoSIMD_C#	CSHARP9.0.0-rc.2	Error
Nov 6, 2024 17:57	NoSIMD_C#	CSHARP9.0.0-rc.2	Error
Nov 6, 2024 16:02	NoSIMD_C#	CPPclang++18.1.3	Success	21,553,608+0.46 RP
Oct 27, 2024 11:05	Xushi8	CPPg++13.2.0	Success	1,622,043
Oct 27, 2024 11:04	Xushi8	CPPg++13.2.0	Success	2,149,200
Oct 27, 2024 11:01	Xushi8	CPPg++13.2.0	Error
Oct 27, 2024 10:58	Xushi8	CPPg++13.2.0	Success	1,534,746+6.52 RP
Oct 19, 2024 12:56	Alexis Engelke	CPPclang++18.1.3	Success	76,076
Oct 14, 2024 18:14	Joad Nacer	CPPclang++10.0.0	Success	72,105
Oct 14, 2024 18:14	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 18:10	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 18:09	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 18:06	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 18:05	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 18:04	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 18:03	Joad Nacer	CPPclang++10.0.0	Success	61,854+0.39 RP
Oct 14, 2024 17:59	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 17:56	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 17:55	Joad Nacer	CPPclang++10.0.0	Success	62,005+1.02 RP
Oct 14, 2024 17:53	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 17:53	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 17:53	Joad Nacer	CPPclang++10.0.0	Success	71,051
Oct 14, 2024 17:52	Joad Nacer	CPPclang++10.0.0	Success	62,400+6.56 RP
Oct 14, 2024 17:51	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 17:50	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 17:49	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 17:49	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 17:49	Joad Nacer	CPPclang++10.0.0	Error
Oct 14, 2024 17:46	Joad Nacer	CPPclang++10.0.0	Success	67,181
Oct 14, 2024 17:42	Joad Nacer	CPPclang++10.0.0	Success	66,670
Oct 14, 2024 17:40	Joad Nacer	CPPclang++10.0.0	Error
Oct 6, 2024 08:38	Alexis Engelke	CPPclang++18.1.3	Success	75,497+2.78 RP
Oct 5, 2024 10:49	Alexis Engelke	CPPclang++18.1.3	Success	77,116+72.15 RP
Oct 5, 2024 08:43	Alexis Engelke	CPPclang++18.1.3	Success	180,073
Oct 5, 2024 08:41	Alexis Engelke	CPPclang++18.1.3	Success	173,843+16.53 RP
Oct 5, 2024 08:34	Alexis Engelke	CPPclang++18.1.3	Success	243,932+27.59 RP
Oct 5, 2024 08:04	Alexis Engelke	CPPclang++18.1.3	Success	746,257+12.94 RP
Oct 5, 2024 07:01	Alexis Engelke	CPPclang++18.1.3	Success	21,571,549+0.46 RP
Sep 20, 2024 19:23	CheranMahalingam	CPPg++13.2.0	Error
Sep 20, 2024 18:32	CheranMahalingam	CPPg++13.2.0	Success	739,349
Sep 20, 2024 18:19	CheranMahalingam	CPPg++13.2.0	Success	739,646
Sep 20, 2024 18:18	CheranMahalingam	CPPg++13.2.0	Success	745,557
Sep 20, 2024 18:16	CheranMahalingam	CPPg++13.2.0	Success	742,673
Sep 17, 2024 06:34	CheranMahalingam	CPPg++13.2.0	Error
Sep 16, 2024 23:46	CheranMahalingam	CPPg++13.2.0	Error
Sep 16, 2024 23:44	CheranMahalingam	CPPg++13.2.0	Error
Sep 16, 2024 23:10	CheranMahalingam	CPPg++13.2.0	Success	743,841
Sep 16, 2024 23:08	CheranMahalingam	CPPg++13.2.0	Error
Sep 16, 2024 23:06	CheranMahalingam	CPPg++13.2.0	Success	738,854+0.33 RP
Sep 16, 2024 23:04	CheranMahalingam	CPPclang++18.1.3	Success	765,743
Sep 16, 2024 23:02	CheranMahalingam	CPPclang++18.1.3	Success	757,343+0.06 RP
Sep 16, 2024 22:56	CheranMahalingam	CPPclang++18.1.3	Success	764,054
Sep 16, 2024 22:53	CheranMahalingam	CPPclang++18.1.3	Success	774,946
Sep 16, 2024 22:52	CheranMahalingam	CPPclang++18.1.3	Error
Sep 16, 2024 22:50	CheranMahalingam	CPPclang++18.1.3	Error
Sep 16, 2024 22:47	CheranMahalingam	CPPclang++18.1.3	Error
Sep 16, 2024 22:31	CheranMahalingam	CPPclang++18.1.3	Success	761,003+12.68 RP
Sep 16, 2024 22:01	CheranMahalingam	CPPclang++18.1.3	Success	21,564,292+0.46 RP
Sep 4, 2024 07:32	Andrey Likhachev	RUSTrust-1.79.0	Success	70,811
Sep 4, 2024 07:22	Andrey Likhachev	RUSTrust-1.79.0	Success	70,297+0.35 RP
Sep 3, 2024 16:39	AnSa	CPPg++13.2.0	Success	71,973
Sep 3, 2024 16:37	AnSa	CPPclang++18.1.3	Success	72,500
Aug 31, 2024 21:56	Yuriy Lyfenko	CPPg++13.2.0	Success	59,846
Aug 31, 2024 21:56	Yuriy Lyfenko	CPPclang++18.1.3	Success	59,384
Aug 24, 2024 20:37	Charlie Shepherd	RUSTrust-1.79.0	Success	718,710
Aug 24, 2024 20:36	Charlie Shepherd	RUSTrust-1.79.0	Error
Aug 17, 2024 20:39	Iheb	CPPg++9.4.0	Success	18,809,773
Aug 17, 2024 14:48	Iheb	CPPg++9.4.0	Success	18,547,614
Aug 17, 2024 14:41	Iheb	CPPg++9.4.0	Success	8,139,525+0.01 RP
Aug 17, 2024 14:40	Iheb	CPPg++9.4.0	Success	8,218,152+0.77 RP
Aug 17, 2024 14:38	Iheb	CPPg++9.4.0	Success	22,217,677+0.45 RP
Aug 17, 2024 14:28	Iheb	CPPg++9.4.0	Error
Aug 11, 2024 20:54	Franek Korta	CPPg++9.4.0	Error

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