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.

Date	Author	Language	Status	Score
Sep 13, 2025 20:00	Aleksei Shahoika	CPPclang++18.1.3	Success	84,541+2.01 RP
Sep 10, 2025 19:43	Aleksei Shahoika	CPPclang++18.1.3	Success	170,416
Sep 10, 2025 19:40	Aleksei Shahoika	CPPclang++18.1.3	Success	222,157
Sep 10, 2025 19:39	Aleksei Shahoika	CPPclang++18.1.3	Success	194,354
Sep 10, 2025 19:17	Aleksei Shahoika	CPPclang++18.1.3	Success	113,189
Sep 10, 2025 18:15	Aleksei Shahoika	CPPclang++18.1.3	Error
Sep 9, 2025 21:27	Aleksei Shahoika	CPPclang++18.1.3	Success	86,003+80.94 RP
Sep 9, 2025 18:43	Aleksei Shahoika	CPPg++13.3.0	Error
Sep 9, 2025 18:41	Aleksei Shahoika	CPPg++13.3.0	Error
Sep 8, 2025 21:23	Aleksei Shahoika	CPPg++13.3.0	Success	283,011+32.50 RP
Sep 8, 2025 21:19	Aleksei Shahoika	CPPg++13.3.0	Success	3,523,241+0.59 RP
Sep 8, 2025 21:06	Aleksei Shahoika	CPPg++13.3.0	Success	6,092,219
Sep 8, 2025 21:03	Aleksei Shahoika	CPPg++13.3.0	Success	4,451,049+2.25 RP
Aug 16, 2025 15:38	Aniruddha Deb	CPPg++13.3.0	Success	65,546
Aug 16, 2025 15:34	Aniruddha Deb	CPPg++13.3.0	Success	65,473+0.61 RP
Aug 16, 2025 15:23	Aniruddha Deb	CPPg++13.3.0	Success	65,735+1.91 RP
Aug 16, 2025 15:20	Aniruddha Deb	CPPg++13.3.0	Error
Aug 16, 2025 15:13	Aniruddha Deb	CPPg++13.3.0	Success	67,132
Aug 16, 2025 15:11	Aniruddha Deb	CPPg++13.3.0	Success	68,616
Aug 16, 2025 15:11	Aniruddha Deb	CPPclang++18.1.3	Success	77,389
Aug 16, 2025 15:11	Aniruddha Deb	CPPclang++18.1.3	Success	76,997
Aug 16, 2025 15:09	Aniruddha Deb	CPPg++13.3.0	Success	68,451
Aug 16, 2025 15:05	Aniruddha Deb	CPPg++13.3.0	Success	68,603
Aug 16, 2025 14:59	Aniruddha Deb	CPPg++13.3.0	Success	68,524
Aug 16, 2025 14:59	Aniruddha Deb	CPPg++13.3.0	Success	68,641
Aug 16, 2025 14:54	Aniruddha Deb	CPPg++13.3.0	Success	68,876
Aug 16, 2025 14:52	Aniruddha Deb	CPPg++13.3.0	Success	69,297
Aug 16, 2025 14:51	Aniruddha Deb	CPPg++13.3.0	Error
Aug 16, 2025 14:50	Aniruddha Deb	CPPg++13.3.0	Success	69,089
Aug 16, 2025 14:48	Aniruddha Deb	CPPg++13.3.0	Error
Aug 16, 2025 14:47	Aniruddha Deb	CPPg++13.3.0	Error
Aug 16, 2025 14:46	Aniruddha Deb	CPPg++13.3.0	Error
Aug 16, 2025 14:44	Aniruddha Deb	CPPg++13.3.0	Success	69,146
Aug 16, 2025 14:44	Aniruddha Deb	CPPg++13.3.0	Success	68,570
Aug 16, 2025 14:43	Aniruddha Deb	CPPg++13.3.0	Success	68,489
Aug 16, 2025 14:42	Aniruddha Deb	CPPg++13.3.0	Success	68,530
Aug 16, 2025 14:41	Aniruddha Deb	CPPg++13.3.0	Success	68,941
Aug 16, 2025 14:39	Aniruddha Deb	CPPg++13.3.0	Error
Aug 16, 2025 14:32	Aniruddha Deb	CPPg++13.3.0	Success	66,573+2.26 RP
Aug 16, 2025 14:29	Aniruddha Deb	CPPg++13.3.0	Success	67,646
Aug 16, 2025 14:25	Aniruddha Deb	CPPg++13.3.0	Error
Aug 14, 2025 22:27	Aniruddha Deb	CPPclang++18.1.3	Success	71,303
Aug 12, 2025 20:40	Jens	CPPg++13.3.0	Success	21,547,792+0.46 RP
Jul 29, 2025 21:00	Aniruddha Deb	CPPg++13.3.0	Error
Jul 15, 2025 23:14	Steve Bronder	CPPg++13.3.0	Success	65,078
Jul 15, 2025 22:16	Steve Bronder	CPPg++13.3.0	Success	65,465
Jul 15, 2025 22:15	Valentin Kofman	CPPg++13.3.0	Success	63,576
Jul 15, 2025 22:06	Valentin Kofman	CPPg++13.3.0	Success	65,422
Jul 15, 2025 21:29	Valentin Kofman	CPPg++13.3.0	Success	69,416
Jul 15, 2025 21:26	Valentin Kofman	CPPg++13.3.0	Success	64,835
Jul 15, 2025 18:55	Valentin Kofman	CPPg++13.3.0	Success	63,716
Jul 15, 2025 18:54	Valentin Kofman	CPPg++13.3.0	Success	63,508
Jul 15, 2025 18:52	Valentin Kofman	CPPg++13.3.0	Success	63,762
Jul 15, 2025 18:49	Valentin Kofman	CPPg++13.3.0	Success	63,373+0.41 RP
Jul 15, 2025 18:48	Valentin Kofman	CPPclang++18.1.3	Success	65,373
Jul 15, 2025 18:24	Valentin Kofman	CPPclang++18.1.3	Success	65,295
Jul 15, 2025 18:23	Valentin Kofman	CPPg++13.3.0	Success	63,541
Jul 15, 2025 18:06	Valentin Kofman	CPPg++13.3.0	Success	63,538+7.53 RP
Jul 15, 2025 18:03	Valentin Kofman	CPPg++13.3.0	Error
Jul 15, 2025 18:02	Valentin Kofman	CPPg++13.3.0	Success	66,732+0.75 RP
Jul 15, 2025 17:59	Valentin Kofman	CPPg++13.3.0	Success	67,068+4.30 RP
Jul 15, 2025 17:53	Valentin Kofman	CPPclang++18.1.3	Success	69,062+5.18 RP
Jul 15, 2025 17:46	Valentin Kofman	CPPclang++18.1.3	Success	71,622+22.70 RP
Jul 15, 2025 09:14	Valentin Kofman	CPPclang++18.1.3	Success	85,524+113.97 RP
Jul 15, 2025 09:08	Valentin Kofman	CPPg++13.3.0	Success	4,284,811
Jul 15, 2025 09:06	Valentin Kofman	CPPclang++18.1.3	Success	3,380,224+2.96 RP
Jul 15, 2025 05:20	Steve Bronder	CPPg++13.3.0	Success	65,219
Jul 15, 2025 05:19	Steve Bronder	CPPg++13.3.0	Success	65,743
Jul 15, 2025 04:40	Steve Bronder	CPPg++13.3.0	Success	65,857
Jul 15, 2025 04:39	Steve Bronder	CPPg++13.3.0	Success	65,670
Jul 15, 2025 04:22	Steve Bronder	CPPg++13.3.0	Success	65,692
Jul 15, 2025 04:19	Steve Bronder	CPPg++13.3.0	Success	67,162
Jul 15, 2025 04:15	Steve Bronder	CPPg++13.3.0	Success	61,776+0.09 RP
Jul 15, 2025 04:08	Steve Bronder	CPPg++13.3.0	Success	63,246
Jul 15, 2025 04:05	Steve Bronder	CPPg++13.3.0	Success	61,811+3.21 RP
Jul 15, 2025 04:02	Steve Bronder	CPPg++13.3.0	Success	63,116
Jul 15, 2025 04:01	Steve Bronder	CPPg++13.3.0	Success	63,243
Jul 15, 2025 03:58	Steve Bronder	CPPg++13.3.0	Success	63,257
Jul 15, 2025 03:53	Steve Bronder	CPPg++13.3.0	Success	63,292
Jul 15, 2025 02:13	Steve Bronder	CPPg++13.3.0	Success	63,205
Jul 15, 2025 02:13	Steve Bronder	CPPg++13.3.0	Success	63,249
Jul 15, 2025 02:09	Steve Bronder	CPPg++13.3.0	Error
Jul 15, 2025 02:07	Steve Bronder	CPPg++13.3.0	Success	69,259
Jul 15, 2025 02:01	Steve Bronder	CPPg++13.3.0	Success	63,062+12.38 RP
Jul 15, 2025 01:47	Steve Bronder	CPPg++13.3.0	Error
Jul 14, 2025 00:20	Steve Bronder	CPPg++13.3.0	Success	113,127
Jul 14, 2025 00:06	Steve Bronder	CPPg++13.3.0	Success	115,924
Jul 6, 2025 13:30	Aniruddha Deb	CPPg++13.3.0	Success	67,589+0.35 RP
Jun 22, 2025 03:42	thatmagicalcat	RUSTrust-1.87.0	Success	173,168
Jun 21, 2025 20:50	Aniruddha Deb	CPPg++13.3.0	Success	69,097
Jun 21, 2025 15:09	thatmagicalcat	RUSTrust-1.87.0	Success	140,311
Jun 21, 2025 15:02	thatmagicalcat	RUSTrust-1.87.0	Success	140,408
Jun 21, 2025 14:49	thatmagicalcat	RUSTrust-1.87.0	Success	140,551
Jun 21, 2025 14:10	thatmagicalcat	RUSTrust-1.87.0	Success	142,716
Jun 21, 2025 13:54	thatmagicalcat	RUSTrust-1.87.0	Success	112,516+78.59 RP
Jun 21, 2025 12:46	thatmagicalcat	RUSTrust-1.87.0	Success	972,327+10.28 RP
Jun 21, 2025 12:38	thatmagicalcat	RUSTrust-1.87.0	Error
Jun 21, 2025 12:36	thatmagicalcat	RUSTrust-1.87.0	Error
Jun 19, 2025 18:10	Abhigyan Niranjan	GOgo1.24.4	Success	121,897+0.71 RP
Jun 19, 2025 17:51	Abhigyan Niranjan	GOgo1.24.4	Success	122,962+79.54 RP

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