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
Aug 29, 2023 21:11	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:10	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:10	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:09	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:08	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:05	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:04	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:01	Franek Korta	CPPg++9.3.0	Success	67,047
Aug 29, 2023 21:00	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 20:59	Franek Korta	CPPg++9.3.0	Success	67,103
Aug 29, 2023 20:58	Franek Korta	CPPg++9.3.0	Success	66,718
Aug 29, 2023 20:45	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 20:44	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 20:43	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 20:40	Franek Korta	CPPg++9.3.0	Success	68,012
Aug 29, 2023 20:39	Franek Korta	CPPg++9.3.0	Success	68,639
Aug 29, 2023 20:39	Franek Korta	CPPg++9.3.0	Success	68,804
Aug 29, 2023 20:34	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 20:34	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 20:33	Franek Korta	CPPg++9.3.0	Success	64,811
Aug 29, 2023 20:29	Franek Korta	CPPg++9.3.0	Success	64,654
Aug 29, 2023 20:28	Franek Korta	CPPg++9.3.0	Success	64,643+0.24 RP
Aug 29, 2023 20:27	Franek Korta	CPPg++9.3.0	Success	64,849
Aug 29, 2023 20:26	Franek Korta	CPPg++9.3.0	Success	64,743+0.25 RP
Aug 29, 2023 20:23	Franek Korta	CPPg++9.3.0	Success	72,630
Aug 29, 2023 12:07	mmalczak	CPPg++9.3.0	Success	653,486+0.26 RP
Aug 29, 2023 12:04	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 12:03	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 12:01	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 11:59	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 11:45	mmalczak	CPPg++9.3.0	Success	666,931
Aug 29, 2023 11:44	mmalczak	CPPg++9.3.0	Success	664,682+0.54 RP
Aug 29, 2023 11:42	mmalczak	CPPg++9.3.0	Success	689,400+3.37 RP
Aug 29, 2023 11:25	mmalczak	CPPg++9.3.0	Success	898,030+9.28 RP
Aug 29, 2023 11:24	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 11:24	mmalczak	CPPg++9.3.0	Success	5,406,432
Aug 29, 2023 11:21	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 11:19	mmalczak	CPPg++9.3.0	Success	5,399,829+1.38 RP
Aug 29, 2023 11:15	mmalczak	CPPg++9.3.0	Success	21,028,763
Aug 29, 2023 11:14	mmalczak	CPPg++9.3.0	Success	21,135,434
Aug 29, 2023 11:04	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 11:02	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 10:59	mmalczak	CPPg++9.3.0	Success	21,150,645
Aug 29, 2023 10:51	mmalczak	CPPg++9.3.0	Success	21,092,352
Aug 29, 2023 10:51	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 10:45	mmalczak	CPPg++9.3.0	Success	21,091,464
Aug 29, 2023 10:43	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 10:42	mmalczak	CPPg++9.3.0	Error
Aug 29, 2023 10:40	mmalczak	CPPg++9.3.0	Success	21,418,048
Aug 29, 2023 10:31	mmalczak	CPPg++9.3.0	Success	22,730,886
Aug 29, 2023 10:28	mmalczak	CPPg++9.3.0	Success	21,334,227
Aug 29, 2023 10:27	mmalczak	CPPg++9.3.0	Error
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

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