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
Aug 29, 2023 10:25	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 10:25	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 10:24	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 10:13	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 10:12	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 10:05	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 09:55	mmalczak	CPPg++9.3.0	Success	21,301,915+0.47 RP
Aug 28, 2023 21:34	Franek Korta	CPPg++9.3.0	Success	64,930
Aug 28, 2023 21:32	Franek Korta	CPPg++9.3.0	Error
Aug 28, 2023 21:32	Franek Korta	CPPg++9.3.0	Success	69,721
Aug 28, 2023 21:31	Franek Korta	CPPg++9.3.0	Success	64,849+0.10 RP
Aug 28, 2023 21:31	Franek Korta	CPPg++9.3.0	Success	64,892+14.88 RP
Aug 28, 2023 21:28	Franek Korta	CPPg++9.3.0	Error
Aug 28, 2023 21:18	Franek Korta	CPPg++9.3.0	Success	72,968
Aug 28, 2023 21:17	Franek Korta	CPPg++9.3.0	Success	72,781
Aug 28, 2023 21:13	Franek Korta	CPPg++9.3.0	Success	76,092
Aug 28, 2023 21:12	Franek Korta	CPPg++9.3.0	Success	76,216
Aug 28, 2023 21:09	Franek Korta	CPPg++9.3.0	Error
Aug 28, 2023 21:08	Franek Korta	CPPg++9.3.0	Error
Aug 28, 2023 21:06	Franek Korta	CPPg++9.3.0	Error
Aug 28, 2023 21:00	Franek Korta	CPPg++9.3.0	Success	77,020
Aug 28, 2023 21:00	Franek Korta	CPPg++9.3.0	Error
Aug 28, 2023 20:55	Franek Korta	CPPg++9.3.0	Success	75,251
Aug 28, 2023 20:54	Franek Korta	CPPg++9.3.0	Error
Aug 28, 2023 20:53	Franek Korta	CPPg++9.3.0	Error
Aug 28, 2023 20:45	Franek Korta	CPPg++9.3.0	Success	75,970
Aug 28, 2023 20:44	Franek Korta	CPPg++9.3.0	Success	75,865
Aug 28, 2023 20:42	Franek Korta	CPPg++9.3.0	Success	92,427
Aug 28, 2023 20:41	Franek Korta	CPPg++9.3.0	Success	87,265
Aug 28, 2023 20:40	Franek Korta	CPPg++9.3.0	Success	100,415
Aug 28, 2023 20:28	Franek Korta	CPPg++9.3.0	Success	91,505
Aug 28, 2023 20:26	Franek Korta	CPPg++9.3.0	Success	91,497
Aug 28, 2023 20:25	Franek Korta	CPPg++9.3.0	Success	93,557
Aug 28, 2023 20:04	Franek Korta	CPPg++9.3.0	Success	72,808
Aug 27, 2023 22:08	Franek Korta	CPPg++9.3.0	Success	72,708
Aug 27, 2023 22:07	Franek Korta	CPPg++9.3.0	Success	82,084
Aug 27, 2023 22:06	Franek Korta	CPPg++9.3.0	Error
Aug 27, 2023 22:05	Franek Korta	CPPg++9.3.0	Success	72,784
Aug 27, 2023 22:04	Franek Korta	CPPg++9.3.0	Error
Aug 27, 2023 22:03	Franek Korta	CPPg++9.3.0	Error
Aug 27, 2023 22:02	Franek Korta	CPPg++9.3.0	Success	72,805
Aug 27, 2023 22:00	Franek Korta	CPPg++9.3.0	Success	72,941
Aug 27, 2023 21:59	Franek Korta	CPPg++9.3.0	Success	72,889
Aug 27, 2023 20:08	Franek Korta	CPPg++9.3.0	Success	105,449
Aug 27, 2023 20:04	Franek Korta	CPPg++9.3.0	Success	102,551
Aug 27, 2023 20:03	Franek Korta	CPPg++9.3.0	Success	102,881
Aug 27, 2023 19:55	Franek Korta	CPPg++9.3.0	Success	74,341
Aug 27, 2023 19:55	Franek Korta	CPPg++9.3.0	Error
Aug 27, 2023 16:27	Franek Korta	CPPg++9.3.0	Error
Aug 27, 2023 16:25	Franek Korta	CPPg++9.3.0	Error
Aug 27, 2023 16:25	Franek Korta	CPPg++9.3.0	Error
Aug 4, 2023 17:13	gchebanov	CPPg++9.3.0	Success	73,777+0.46 RP
Aug 4, 2023 17:12	gchebanov	CPPg++9.3.0	Success	74,029+2.26 RP
Aug 4, 2023 17:11	gchebanov	CPPg++9.3.0	Success	79,189
Aug 4, 2023 17:11	gchebanov	CPPg++9.3.0	Success	79,120
Aug 4, 2023 17:08	gchebanov	CPPg++9.3.0	Success	105,634
Aug 4, 2023 17:07	gchebanov	CPPg++9.3.0	Success	85,367
Aug 4, 2023 17:07	gchebanov	CPPg++9.3.0	Success	79,942
Aug 4, 2023 17:07	gchebanov	CPPg++9.3.0	Success	165,057
Aug 4, 2023 17:06	gchebanov	CPPg++9.3.0	Success	162,709
Aug 4, 2023 17:05	gchebanov	CPPg++9.3.0	Success	75,287+2.44 RP
Aug 4, 2023 17:03	gchebanov	CPPg++9.3.0	Success	78,992
Aug 4, 2023 17:03	gchebanov	CPPg++9.3.0	Success	80,359
Aug 4, 2023 17:00	gchebanov	CPPg++9.3.0	Success	80,509
Aug 4, 2023 16:59	gchebanov	CPPg++9.3.0	Success	79,389
Aug 4, 2023 16:59	gchebanov	CPPg++9.3.0	Success	77,391
Aug 4, 2023 16:57	gchebanov	CPPg++9.3.0	Success	79,281
Aug 4, 2023 16:51	gchebanov	CPPg++9.3.0	Error
Aug 4, 2023 16:51	gchebanov	CPPg++9.3.0	Success	77,334
Jul 16, 2023 16:49	Paul Masurel	RUSTrust-1.71.0	Success	71,349
Jul 16, 2023 16:35	Paul Masurel	RUSTrust-1.71.0	Success	71,051
Jul 16, 2023 16:34	Paul Masurel	RUSTrust-1.71.0	Success	73,659
Jul 16, 2023 16:25	Paul Masurel	RUSTrust-1.71.0	Success	72,500
Jul 16, 2023 16:25	Paul Masurel	RUSTrust-1.71.0	Success	71,389
Jul 16, 2023 16:25	Paul Masurel	RUSTrust-1.71.0	Success	71,649
Jul 16, 2023 16:24	Paul Masurel	RUSTrust-1.71.0	Success	73,125
Jul 16, 2023 16:23	Paul Masurel	RUSTrust-1.71.0	Error
Jul 16, 2023 16:22	Paul Masurel	RUSTrust-1.71.0	Success	73,872
Jul 16, 2023 16:22	Paul Masurel	RUSTrust-1.71.0	Success	71,195
Jul 16, 2023 16:20	Paul Masurel	RUSTrust-1.71.0	Success	73,062
Jul 16, 2023 16:19	Paul Masurel	RUSTrust-1.71.0	Error
Jul 16, 2023 16:18	Paul Masurel	RUSTrust-1.71.0	Error
Jul 16, 2023 16:17	Paul Masurel	RUSTrust-1.71.0	Success	72,830
Jul 16, 2023 16:17	Paul Masurel	RUSTrust-1.71.0	Success	72,495
Jul 16, 2023 16:14	Paul Masurel	RUSTrust-1.71.0	Success	71,586
Jul 16, 2023 16:09	Paul Masurel	RUSTrust-1.71.0	Error
Jul 16, 2023 16:09	Paul Masurel	RUSTrust-1.71.0	Error
Jul 16, 2023 16:05	Paul Masurel	RUSTrust-1.71.0	Success	70,781
Jul 16, 2023 15:39	Paul Masurel	RUSTrust-1.71.0	Success	74,667
Jul 16, 2023 15:39	Paul Masurel	RUSTrust-1.71.0	Success	71,224
Jul 16, 2023 15:39	Paul Masurel	RUSTrust-1.71.0	Success	73,284
Jul 16, 2023 15:32	Paul Masurel	RUSTrust-1.71.0	Success	70,949
Jul 16, 2023 15:31	Paul Masurel	RUSTrust-1.71.0	Success	70,903
Jul 16, 2023 15:11	Paul Masurel	RUSTrust-1.71.0	Success	69,968
Jul 16, 2023 15:10	Paul Masurel	RUSTrust-1.71.0	Success	73,993
Jul 16, 2023 15:08	Paul Masurel	RUSTrust-1.71.0	Success	74,767
Jul 16, 2023 15:07	Paul Masurel	RUSTrust-1.71.0	Success	74,319
Jul 16, 2023 15:07	Paul Masurel	RUSTrust-1.71.0	Success	70,108
Jul 16, 2023 15:06	Paul Masurel	RUSTrust-1.71.0	Success	73,029
Jul 16, 2023 15:06	Paul Masurel	RUSTrust-1.71.0	Success	69,095

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