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
Feb 15, 2023 18:30	Liam	CPPclang++10.0.0	Success	108,576
Feb 15, 2023 18:28	Liam	CPPclang++10.0.0	Success	109,176
Feb 15, 2023 18:23	Liam	CPPclang++10.0.0	Success	109,270
Feb 15, 2023 18:22	Liam	CPPclang++10.0.0	Error
Feb 15, 2023 18:21	Liam	CPPclang++10.0.0	Error
Feb 15, 2023 18:20	Liam	CPPg++9.3.0	Error
Feb 15, 2023 17:24	Liam	CPPg++9.3.0	Success	100,441
Feb 15, 2023 17:15	Liam	CPPclang++10.0.0	Success	100,135
Feb 15, 2023 17:06	Liam	CPPclang++10.0.0	Success	99,919
Feb 15, 2023 17:06	Liam	CPPclang++10.0.0	Success	99,892+99.64 RP
Feb 15, 2023 00:30	Liam	CPPclang++10.0.0	Success	21,404,167
Feb 15, 2023 00:30	Liam	CPPg++9.3.0	Success	21,440,223
Feb 15, 2023 00:30	Liam	CPPg++9.3.0	Success	21,279,501+0.47 RP
Nov 30, 2022 14:22	Robert Burke	CPPg++9.3.0	Error
Nov 29, 2022 17:55	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 23:24	apuxbt	CPPg++9.3.0	Success	19,843,474
Nov 27, 2022 23:22	apuxbt	CPPg++9.3.0	Success	2,074,364+2.95 RP
Nov 27, 2022 23:21	apuxbt	CPPg++9.3.0	Success	6,116,129
Nov 27, 2022 23:14	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 23:12	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 23:10	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 23:09	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:20	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:11	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:09	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:08	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:08	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:06	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:06	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:05	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:04	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:03	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:02	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 21:02	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 20:59	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 20:52	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 20:49	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 17:13	apuxbt	CPPg++9.3.0	Success	5,337,228+1.42 RP
Nov 27, 2022 17:12	apuxbt	CPPg++9.3.0	Error
Nov 27, 2022 17:07	apuxbt	CPPg++9.3.0	Success	22,134,970+0.45 RP
Oct 25, 2022 01:25	Kenneth Maples	CPPclang++10.0.0	Success	73,486
Oct 25, 2022 01:16	Kenneth Maples	CPPclang++10.0.0	Success	75,384
Oct 25, 2022 01:15	Kenneth Maples	CPPclang++10.0.0	Success	75,230
Oct 25, 2022 01:13	Kenneth Maples	CPPclang++10.0.0	Error
Oct 25, 2022 01:06	Kenneth Maples	CPPclang++10.0.0	Success	76,462
Oct 24, 2022 23:36	Kenneth Maples	CPPclang++10.0.0	Success	75,695
Oct 24, 2022 23:33	Kenneth Maples	CPPclang++10.0.0	Error
Oct 24, 2022 23:31	Kenneth Maples	CPPclang++10.0.0	Error
Oct 24, 2022 23:21	Kenneth Maples	CPPclang++10.0.0	Error
Oct 24, 2022 21:08	Kenneth Maples	CPPclang++10.0.0	Success	73,768
Oct 24, 2022 21:07	Kenneth Maples	CPPclang++10.0.0	Success	74,657
Oct 24, 2022 21:01	Kenneth Maples	CPPclang++10.0.0	Success	74,681
Oct 24, 2022 21:00	Kenneth Maples	CPPclang++10.0.0	Success	73,884
Oct 24, 2022 20:57	Kenneth Maples	CPPclang++10.0.0	Success	73,984
Oct 24, 2022 20:55	Kenneth Maples	CPPclang++10.0.0	Success	73,876
Oct 24, 2022 20:51	Kenneth Maples	CPPclang++10.0.0	Success	73,754
Oct 24, 2022 20:49	Kenneth Maples	CPPclang++10.0.0	Success	80,000
Oct 24, 2022 20:33	Kenneth Maples	CPPclang++10.0.0	Success	73,792
Oct 24, 2022 20:31	Kenneth Maples	CPPg++9.3.0	Success	74,162
Oct 24, 2022 20:29	Kenneth Maples	CPPg++9.3.0	Success	73,762
Oct 24, 2022 20:27	Kenneth Maples	CPPg++9.3.0	Success	73,662
Oct 13, 2022 20:04	Kenneth Maples	CPPg++9.3.0	Success	73,503
Oct 13, 2022 20:02	Kenneth Maples	CPPg++9.3.0	Success	73,454+0.09 RP
Oct 13, 2022 19:59	Kenneth Maples	CPPg++9.3.0	Success	73,689
Oct 13, 2022 19:57	Kenneth Maples	CPPg++9.3.0	Success	73,503+0.23 RP
Oct 13, 2022 19:56	Kenneth Maples	CPPg++9.3.0	Success	73,630+1.63 RP
Oct 13, 2022 19:53	Kenneth Maples	CPPg++9.3.0	Success	74,735
Oct 13, 2022 19:49	Kenneth Maples	CPPg++9.3.0	Success	74,716
Oct 13, 2022 19:48	Kenneth Maples	CPPg++9.3.0	Error
Oct 13, 2022 19:41	Kenneth Maples	CPPg++9.3.0	Success	74,830
Oct 13, 2022 19:39	Kenneth Maples	CPPg++9.3.0	Success	74,527+0.08 RP
Oct 12, 2022 19:25	Kenneth Maples	CPPg++9.3.0	Success	74,573+9.22 RP
Oct 11, 2022 22:04	Kenneth Maples	CPPg++9.3.0	Success	80,076+0.16 RP
Oct 11, 2022 22:03	Kenneth Maples	CPPg++9.3.0	Success	80,181+59.27 RP
Oct 11, 2022 21:56	Kenneth Maples	CPPg++9.3.0	Success	152,790+10.84 RP
Oct 11, 2022 21:47	Kenneth Maples	CPPg++9.3.0	Success	183,132+0.14 RP
Oct 11, 2022 21:45	Kenneth Maples	CPPg++9.3.0	Success	183,614+54.46 RP
Oct 11, 2022 21:44	Kenneth Maples	CPPg++9.3.0	Error
Oct 11, 2022 21:43	Kenneth Maples	CPPg++9.3.0	Error
Sep 30, 2022 20:40	Phib	CPPclang++10.0.0	Success	6,499,591
Sep 30, 2022 20:39	Phib	CPPclang++10.0.0	Success	1,531,180+0.36 RP
Sep 30, 2022 20:39	Phib	CPPg++9.3.0	Success	1,891,884
Sep 30, 2022 20:38	Phib	CPPg++9.3.0	Success	1,738,871
Sep 30, 2022 20:38	Phib	CPPg++9.3.0	Success	1,859,037
Sep 30, 2022 20:37	Phib	CPPg++9.3.0	Success	2,103,897
Sep 30, 2022 20:37	Phib	CPPg++9.3.0	Success	2,125,121
Sep 30, 2022 20:36	Phib	CPPclang++10.0.0	Success	1,907,464
Sep 30, 2022 20:35	Phib	CPPg++9.3.0	Success	1,620,495+1.22 RP
Sep 30, 2022 20:30	Phib	CPPg++9.3.0	Success	2,018,105+4.96 RP
Sep 30, 2022 20:29	Phib	CPPg++9.3.0	Error
Sep 6, 2022 15:22	Eugene Zhydzetski	GOgo1.19	Success	161,547
Sep 6, 2022 15:21	Eugene Zhydzetski	GOgo1.19	Error
Sep 6, 2022 15:20	Eugene Zhydzetski	GOgo1.19	Error
Sep 6, 2022 15:14	Eugene Zhydzetski	GOgo1.19	Success	161,613
Sep 6, 2022 15:07	Eugene Zhydzetski	GOgo1.19	Success	112,027
Sep 6, 2022 15:04	Eugene Zhydzetski	GOgo1.19	Success	111,519
Sep 6, 2022 15:00	Eugene Zhydzetski	GOgo1.19	Success	112,330
Sep 6, 2022 14:29	Eugene Zhydzetski	GOgo1.19	Success	111,289
Sep 6, 2022 14:28	Eugene Zhydzetski	GOgo1.19	Success	111,038+42.83 RP
Sep 5, 2022 19:39	Eugene Zhydzetski	GOgo1.19	Success	211,716+47.23 RP

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