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 14, 2022 19:36	Franek Korta	CPPg++9.3.0	Error
Aug 7, 2022 10:40	Franek Korta	CPPg++9.3.0	Error
Aug 7, 2022 10:39	Franek Korta	CPPg++9.3.0	Error
Aug 7, 2022 10:37	Franek Korta	CPPg++9.3.0	Success	77,146
Aug 6, 2022 22:00	Franek Korta	CPPg++9.3.0	Success	77,408
Aug 6, 2022 21:58	Franek Korta	CPPg++9.3.0	Success	77,341
Aug 6, 2022 21:57	Franek Korta	CPPg++9.3.0	Success	76,941
Aug 6, 2022 21:55	Franek Korta	CPPg++9.3.0	Success	77,303
Aug 6, 2022 21:53	Franek Korta	CPPg++9.3.0	Success	77,322
Aug 6, 2022 21:26	Franek Korta	CPPg++9.3.0	Success	74,143
Aug 6, 2022 21:19	Franek Korta	CPPg++9.3.0	Success	74,270
Aug 6, 2022 21:18	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 21:15	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 21:13	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 21:09	Franek Korta	CPPg++9.3.0	Success	74,216
Aug 6, 2022 21:01	Franek Korta	CPPg++9.3.0	Success	74,351
Aug 6, 2022 21:00	Franek Korta	CPPg++9.3.0	Success	74,314
Aug 6, 2022 20:55	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 20:49	Franek Korta	CPPclang++10.0.0	Error
Aug 6, 2022 20:42	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 20:39	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 20:34	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 20:33	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 20:32	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 20:30	Franek Korta	CPPg++9.3.0	Success	74,662
Aug 6, 2022 20:20	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 20:20	Franek Korta	CPPg++9.3.0	Success	74,659
Aug 6, 2022 20:15	Franek Korta	CPPg++9.3.0	Success	74,454
Aug 6, 2022 20:12	Franek Korta	CPPg++9.3.0	Success	74,919
Aug 6, 2022 20:10	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 20:08	Franek Korta	CPPg++9.3.0	Success	83,881
Aug 6, 2022 20:04	Franek Korta	CPPg++9.3.0	Success	75,246
Aug 6, 2022 20:01	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 19:54	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 19:50	Franek Korta	CPPg++9.3.0	Success	78,230
Aug 6, 2022 19:43	Franek Korta	CPPg++9.3.0	Success	83,984
Aug 6, 2022 19:42	Franek Korta	CPPg++9.3.0	Success	83,343
Aug 6, 2022 19:38	Franek Korta	CPPg++9.3.0	Success	156,115
Aug 6, 2022 19:35	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 19:35	Franek Korta	CPPg++9.3.0	Success	73,986+0.10 RP
Aug 6, 2022 19:32	Franek Korta	CPPg++9.3.0	Success	156,024
Aug 6, 2022 19:30	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 19:28	Franek Korta	CPPg++9.3.0	Success	74,043+0.41 RP
Aug 6, 2022 19:27	Franek Korta	CPPg++9.3.0	Success	77,003
Aug 6, 2022 19:26	Franek Korta	CPPg++9.3.0	Success	77,235
Aug 6, 2022 19:24	Franek Korta	CPPg++9.3.0	Success	74,443
Aug 6, 2022 19:17	Franek Korta	CPPg++9.3.0	Success	74,268+4.19 RP
Aug 6, 2022 19:15	Franek Korta	CPPg++9.3.0	Success	76,651+0.14 RP
Aug 6, 2022 19:11	Franek Korta	CPPg++9.3.0	Success	79,032
Aug 6, 2022 19:10	Franek Korta	CPPg++9.3.0	Success	84,712
Aug 6, 2022 18:38	Franek Korta	CPPg++9.3.0	Success	76,735+0.65 RP
Aug 6, 2022 18:33	Franek Korta	CPPg++9.3.0	Success	77,516
Aug 6, 2022 18:28	Franek Korta	CPPg++9.3.0	Success	78,116
Aug 6, 2022 18:26	Franek Korta	CPPg++9.3.0	Success	79,930
Aug 6, 2022 18:24	Franek Korta	CPPg++9.3.0	Success	78,181
Aug 6, 2022 18:13	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 18:12	Franek Korta	CPPclang++10.0.0	Success	210,278
Aug 6, 2022 17:55	Franek Korta	CPPg++9.3.0	Success	78,530
Aug 6, 2022 17:54	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 17:53	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 17:50	Franek Korta	CPPg++9.3.0	Success	78,643
Aug 6, 2022 17:42	Franek Korta	CPPg++9.3.0	Success	78,441
Aug 6, 2022 17:41	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 17:33	Franek Korta	CPPg++9.3.0	Success	78,122
Aug 6, 2022 17:28	Franek Korta	CPPg++9.3.0	Error
Aug 6, 2022 17:28	Franek Korta	CPPclang++10.0.0	Error
Aug 5, 2022 21:54	Franek Korta	CPPclang++10.0.0	Success	179,051
Aug 5, 2022 21:51	Franek Korta	CPPg++9.3.0	Success	77,289
Aug 5, 2022 21:27	Franek Korta	CPPg++9.3.0	Success	77,486
Aug 5, 2022 21:26	Franek Korta	CPPg++9.3.0	Success	77,270
Aug 5, 2022 21:26	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 21:25	Franek Korta	CPPg++9.3.0	Success	77,468
Aug 5, 2022 21:19	Franek Korta	CPPg++9.3.0	Success	241,665
Aug 5, 2022 21:17	Franek Korta	CPPg++9.3.0	Success	139,508
Aug 5, 2022 21:13	Franek Korta	CPPg++9.3.0	Success	77,351
Aug 5, 2022 21:13	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 21:07	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 20:19	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 20:17	Franek Korta	CPPg++9.3.0	Success	81,838
Aug 5, 2022 20:16	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 20:15	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 20:13	Franek Korta	CPPg++9.3.0	Success	82,970
Aug 5, 2022 20:13	Franek Korta	CPPg++9.3.0	Error
Aug 4, 2022 20:17	Franek Korta	CPPg++9.3.0	Success	79,741
Aug 4, 2022 20:16	Franek Korta	CPPg++9.3.0	Success	78,854
Aug 4, 2022 20:13	Franek Korta	CPPg++9.3.0	Success	77,368
Aug 4, 2022 20:12	Franek Korta	CPPg++9.3.0	Success	77,122+29.99 RP
Aug 4, 2022 20:07	Franek Korta	CPPg++9.3.0	Success	101,051
Aug 4, 2022 20:04	Franek Korta	CPPg++9.3.0	Success	100,638
Aug 4, 2022 19:57	Franek Korta	CPPg++9.3.0	Success	110,343
Aug 4, 2022 19:55	Franek Korta	CPPg++9.3.0	Success	109,676
Aug 3, 2022 19:58	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 19:57	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 19:56	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 19:01	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 18:59	Franek Korta	CPPclang++10.0.0	Success	232,656
Aug 3, 2022 18:57	Franek Korta	CPPg++9.3.0	Success	101,035
Aug 3, 2022 18:55	Franek Korta	CPPg++9.3.0	Success	101,464
Aug 3, 2022 18:53	Franek Korta	CPPg++9.3.0	Success	100,322+8.24 RP
Aug 3, 2022 18:34	Franek Korta	CPPg++9.3.0	Success	109,457

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