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
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
Jun 19, 2025 16:58	Abhigyan Niranjan	GOgo1.24.4	Success	5,609,200+0.03 RP
Jun 19, 2025 15:26	Abhigyan Niranjan	GOgo1.24.4	Success	5,718,824+1.43 RP
Jun 19, 2025 15:20	Abhigyan Niranjan	GOgo1.24.4	Error
Jun 19, 2025 14:26	Abhigyan Niranjan	GOgo1.24.4	Success	31,278,292+0.32 RP
Jun 19, 2025 14:23	Abhigyan Niranjan	GOgo1.24.4	Error
Jun 19, 2025 14:14	Abhigyan Niranjan	GOgo1.24.4	Error
Jun 19, 2025 14:11	Abhigyan Niranjan	GOgo1.24.4	Error
Jun 19, 2025 11:03	Steve Bronder	CPPg++13.3.0	Success	68,849
Jun 19, 2025 11:00	Steve Bronder	CPPg++13.3.0	Error
Jun 19, 2025 10:45	Steve Bronder	CPPg++13.3.0	Success	68,876
Jun 19, 2025 10:41	Steve Bronder	CPPg++13.3.0	Success	68,505
Jun 19, 2025 10:39	Steve Bronder	CPPg++13.3.0	Success	68,700
Jun 15, 2025 12:19	Steve Bronder	CPPg++13.3.0	Error
Jun 15, 2025 12:05	Steve Bronder	CPPg++13.3.0	Success	69,273
Jun 15, 2025 11:30	Steve Bronder	CPPg++13.3.0	Error
Jun 15, 2025 11:25	Steve Bronder	CPPg++13.3.0	Success	70,584
Jun 15, 2025 11:23	Steve Bronder	CPPg++13.3.0	Success	68,403+0.15 RP
Jun 15, 2025 11:22	Steve Bronder	CPPg++13.3.0	Success	71,689
May 26, 2025 07:16	E Sequeira	CPPclang++18.1.3	Success	73,705
May 26, 2025 07:15	E Sequeira	CPPclang++18.1.3	Success	74,243
May 26, 2025 07:13	E Sequeira	CPPclang++18.1.3	Success	73,670
May 26, 2025 07:13	E Sequeira	CPPclang++18.1.3	Success	74,222
May 26, 2025 07:12	E Sequeira	CPPclang++18.1.3	Success	74,046
May 26, 2025 07:11	E Sequeira	CPPg++13.3.0	Success	87,241
May 26, 2025 07:10	E Sequeira	CPPg++13.3.0	Success	89,657
May 26, 2025 07:04	E Sequeira	GOgo1.24.3	Success	122,032
May 26, 2025 07:03	E Sequeira	GOgo1.23.3	Success	121,973
May 26, 2025 07:01	E Sequeira	GOgo1.23.3	Success	694,651
May 26, 2025 07:00	E Sequeira	GOgo1.23.3	Success	151,846
May 26, 2025 06:57	E Sequeira	GOgo1.23.3	Success	150,219
May 26, 2025 06:56	E Sequeira	GOgo1.23.3	Success	151,659
May 26, 2025 06:53	E Sequeira	GOgo1.23.3	Success	151,914
May 26, 2025 06:50	E Sequeira	CPPg++13.3.0	Success	73,135+0.02 RP
May 26, 2025 06:46	E Sequeira	CPPg++13.3.0	Success	74,611
May 26, 2025 06:42	E Sequeira	CPPg++13.3.0	Success	73,146+27.59 RP
May 26, 2025 06:36	E Sequeira	CPPg++13.3.0	Success	265,265
May 26, 2025 06:35	E Sequeira	CPPg++13.3.0	Success	247,516
May 26, 2025 06:33	E Sequeira	CPPg++13.3.0	Success	215,314
May 26, 2025 06:30	E Sequeira	CPPg++13.3.0	Success	194,992
May 26, 2025 06:28	E Sequeira	CPPg++13.3.0	Error
May 26, 2025 06:22	E Sequeira	CPPg++13.3.0	Error
May 26, 2025 06:21	E Sequeira	CPPg++13.3.0	Error
May 26, 2025 06:20	E Sequeira	CPPg++13.3.0	Error
May 26, 2025 06:16	E Sequeira	CPPg++13.3.0	Success	91,643+1.73 RP
May 26, 2025 06:15	E Sequeira	CPPclang++18.1.3	Success	93,119+11.32 RP
May 26, 2025 06:14	E Sequeira	CPPclang++18.1.3	Success	235,754
May 26, 2025 06:12	E Sequeira	CPPclang++18.1.3	Success	322,184
May 19, 2025 05:29	Keefe	CPPg++13.3.0	Success	2,033,014
May 17, 2025 22:34	Keefe	CPPg++13.3.0	Success	70,538
May 17, 2025 22:32	Keefe	CPPg++13.3.0	Success	70,405
May 17, 2025 22:32	Keefe	CPPg++13.3.0	Success	70,403+0.08 RP
May 2, 2025 13:17	Keefe	CPPg++13.3.0	Error
May 2, 2025 13:16	Keefe	CPPg++13.3.0	Success	70,441+0.17 RP
May 2, 2025 13:15	Keefe	CPPg++13.3.0	Success	70,524+9.44 RP
May 2, 2025 13:12	Keefe	CPPg++13.3.0	Error
May 2, 2025 13:11	Keefe	CPPg++13.3.0	Error
Apr 29, 2025 09:32	Keefe	CPPg++13.3.0	Error
Apr 29, 2025 09:31	Keefe	CPPg++13.3.0	Error
Apr 29, 2025 09:30	Keefe	CPPg++13.3.0	Error
Apr 28, 2025 14:39	Keefe	CPPg++13.3.0	Error
Apr 23, 2025 16:14	Drew Garcia	CPPclang++18.1.3	Success	588,438
Apr 23, 2025 16:09	Drew Garcia	CPPclang++18.1.3	Error
Apr 23, 2025 12:03	Emanuele Bolognesi	RUSTrust-1.81.0	Success	164,754+44.87 RP
Apr 23, 2025 09:02	NoSIMD_C#	CSHARP9.0.4	Success	168,097
Apr 23, 2025 08:59	NoSIMD_C#	CSHARP9.0.4	Success	167,984
Apr 23, 2025 08:57	NoSIMD_C#	CSHARP9.0.4	Error
Apr 23, 2025 08:51	NoSIMD_C#	CSHARP9.0.4	Success	206,603
Apr 23, 2025 08:49	NoSIMD_C#	CSHARP9.0.4	Success	208,686
Apr 23, 2025 08:46	NoSIMD_C#	CSHARP9.0.4	Success	168,670
Apr 22, 2025 21:00	Steve Bronder	CPPg++13.2.0	Success	68,497
Apr 22, 2025 20:52	Steve Bronder	CPPg++13.2.0	Success	68,703
Apr 22, 2025 20:50	Steve Bronder	CPPg++13.2.0	Success	70,959
Apr 22, 2025 20:48	Steve Bronder	CPPg++13.2.0	Error
Apr 22, 2025 20:45	Steve Bronder	CPPg++13.2.0	Success	69,208
Apr 22, 2025 20:41	Steve Bronder	CPPg++13.2.0	Error
Apr 22, 2025 20:40	Steve Bronder	CPPg++13.2.0	Error
Apr 22, 2025 19:26	Drew Garcia	CPPclang++18.1.3	Success	74,630
Apr 22, 2025 19:24	Drew Garcia	CPPclang++18.1.3	Success	359,670
Apr 22, 2025 19:17	Drew Garcia	CPPclang++18.1.3	Success	75,222
Apr 22, 2025 19:14	Keefe	CPPg++13.3.0	Error
Apr 22, 2025 19:14	Drew Garcia	CPP	Success	73,819+1.51 RP

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