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
Jan 28, 2025 08:02	mebowler	GOgo1.23.5	Error
Jan 28, 2025 07:57	mebowler	GOgo1.23.5	Error
Jan 25, 2025 01:04	Ian Mckibben	CPPclang++18.1.3	Success	70,422
Jan 25, 2025 00:59	Ian Mckibben	CPPclang++18.1.3	Success	79,403
Jan 25, 2025 00:58	Ian Mckibben	CPPclang++18.1.3	Success	78,003
Jan 25, 2025 00:57	Ian Mckibben	CPPclang++18.1.3	Success	70,222
Jan 25, 2025 00:56	Ian Mckibben	CPPclang++18.1.3	Success	69,465+0.83 RP
Jan 25, 2025 00:55	Ian Mckibben	CPPclang++18.1.3	Error
Jan 25, 2025 00:52	Ian Mckibben	CPPclang++18.1.3	Success	70,041
Jan 25, 2025 00:50	Ian Mckibben	CPPclang++18.1.3	Error
Jan 25, 2025 00:46	Ian Mckibben	CPPclang++18.1.3	Success	70,938
Jan 25, 2025 00:45	Ian Mckibben	CPPclang++18.1.3	Success	69,870
Jan 25, 2025 00:44	Ian Mckibben	CPPclang++18.1.3	Success	100,722
Jan 25, 2025 00:41	Ian Mckibben	CPPclang++18.1.3	Success	70,597
Jan 25, 2025 00:32	Ian Mckibben	CPPclang++18.1.3	Success	70,624
Jan 25, 2025 00:24	Ian Mckibben	CPPclang++18.1.3	Success	73,511
Jan 25, 2025 00:13	Ian Mckibben	CPPclang++18.1.3	Success	70,349
Jan 25, 2025 00:12	Ian Mckibben	CPPclang++18.1.3	Error
Jan 25, 2025 00:08	Ian Mckibben	CPPclang++18.1.3	Error
Jan 25, 2025 00:06	Ian Mckibben	CPPclang++18.1.3	Error
Jan 25, 2025 00:04	Ian Mckibben	CPPclang++18.1.3	Error
Jan 25, 2025 00:03	Ian Mckibben	CPPclang++18.1.3	Error
Jan 25, 2025 00:01	Ian Mckibben	CPPclang++18.1.3	Error
Jan 25, 2025 00:00	Ian Mckibben	CPPclang++18.1.3	Error
Jan 24, 2025 23:59	Ian Mckibben	CPPclang++18.1.3	Error
Jan 24, 2025 23:48	Ian Mckibben	CPPclang++18.1.3	Error
Jan 24, 2025 23:47	Ian Mckibben	CPPclang++18.1.3	Error
Jan 23, 2025 08:47	NoSIMD_C#	CSHARP9.0.1	Success	281,446
Jan 23, 2025 08:36	NoSIMD_C#	CSHARP9.0.1	Success	272,554
Jan 23, 2025 01:29	Ian Mckibben	CPPclang++18.1.3	Success	69,919
Jan 23, 2025 01:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 23, 2025 01:18	Ian Mckibben	CPPclang++18.1.3	Error
Jan 23, 2025 01:18	Ian Mckibben	CPPclang++18.1.3	Success	70,154
Jan 23, 2025 01:17	Ian Mckibben	CPPclang++18.1.3	Error
Jan 23, 2025 01:15	Ian Mckibben	CPPclang++18.1.3	Error
Jan 23, 2025 01:10	Ian Mckibben	CPPclang++18.1.3	Success	69,870+0.02 RP
Jan 23, 2025 01:09	Ian Mckibben	CPPclang++18.1.3	Success	69,889
Jan 22, 2025 23:35	Oleg Kovalov	CPPclang++18.1.3	Success	346,457+0.82 RP
Jan 22, 2025 23:33	Oleg Kovalov	CPPclang++18.1.3	Success	853,222
Jan 22, 2025 23:27	Oleg Kovalov	CPPclang++18.1.3	Success	356,608+4.32 RP
Jan 22, 2025 23:23	Oleg Kovalov	CPPclang++18.1.3	Success	1,233,354
Jan 22, 2025 23:20	Oleg Kovalov	CPPclang++18.1.3	Error
Jan 22, 2025 23:18	Oleg Kovalov	CPPclang++18.1.3	Error
Jan 22, 2025 20:43	Oleg Kovalov	CPPclang++18.1.3	Error
Jan 22, 2025 20:39	Oleg Kovalov	CPPclang++18.1.3	Error
Jan 22, 2025 20:36	Oleg Kovalov	CPPclang++18.1.3	Error
Jan 22, 2025 16:51	Oleg Kovalov	CPPclang++18.1.3	Error
Jan 22, 2025 16:12	Oleg Kovalov	CPPclang++18.1.3	Success	421,565+0.06 RP
Jan 22, 2025 16:11	Oleg Kovalov	CPPclang++18.1.3	Success	499,962
Jan 22, 2025 11:42	Oleg Kovalov	CPPclang++18.1.3	Error
Jan 22, 2025 11:38	Oleg Kovalov	CPPclang++18.1.3	Success	422,551+10.10 RP
Jan 22, 2025 11:33	Oleg Kovalov	CPPclang++18.1.3	Success	737,151+13.10 RP
Jan 22, 2025 11:30	Oleg Kovalov	CPPclang++18.1.3	Error
Jan 22, 2025 05:13	Ian Mckibben	CPPclang++18.1.3	Success	69,927
Jan 22, 2025 05:10	Ian Mckibben	CPPclang++18.1.3	Success	69,892
Jan 22, 2025 03:08	Ian Mckibben	CPPclang++18.1.3	Success	74,027
Jan 22, 2025 02:23	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 02:17	Ian Mckibben	CPPclang++18.1.3	Success	70,803
Jan 22, 2025 02:16	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 02:14	Ian Mckibben	CPPclang++18.1.3	Success	710,370
Jan 22, 2025 02:13	Ian Mckibben	CPPclang++18.1.3	Success	746,995
Jan 22, 2025 02:10	Ian Mckibben	CPPclang++18.1.3	Success	69,922
Jan 22, 2025 02:10	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 02:09	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 02:06	Ian Mckibben	CPPclang++18.1.3	Success	73,957
Jan 22, 2025 02:04	Ian Mckibben	CPPclang++18.1.3	Success	74,038
Jan 22, 2025 01:53	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:52	Ian Mckibben	CPPclang++18.1.3	Success	79,324
Jan 22, 2025 01:49	Ian Mckibben	CPPclang++18.1.3	Success	69,881+1.70 RP
Jan 22, 2025 01:48	Ian Mckibben	CPPclang++18.1.3	Success	79,576
Jan 22, 2025 01:47	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:45	Ian Mckibben	CPPclang++18.1.3	Success	83,014
Jan 22, 2025 01:45	Ian Mckibben	CPPclang++18.1.3	Success	83,430
Jan 22, 2025 01:44	Ian Mckibben	CPPclang++18.1.3	Success	83,527
Jan 22, 2025 01:41	Ian Mckibben	CPPclang++18.1.3	Success	71,295
Jan 22, 2025 01:40	Ian Mckibben	CPPclang++18.1.3	Success	71,359
Jan 22, 2025 01:33	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:31	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:29	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:27	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:17	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:14	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:13	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:13	Ian Mckibben	CPPclang++18.1.3	Success	71,405
Jan 22, 2025 01:12	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:11	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:10	Ian Mckibben	CPPclang++18.1.3	Success	71,495
Jan 22, 2025 01:09	Ian Mckibben	CPPclang++18.1.3	Error
Jan 22, 2025 01:09	Ian Mckibben	CPPclang++18.1.3	Success	71,070
Jan 22, 2025 01:07	Ian Mckibben	CPPclang++18.1.3	Error
Jan 21, 2025 07:40	NoSIMD_C#	CSHARP9.0.1	Success	276,622
Jan 20, 2025 21:13	Oleg Kovalov	GOgo1.23.5	Error
Jan 19, 2025 09:46	Ian Mckibben	CPPclang++18.1.3	Success	70,886
Jan 19, 2025 09:44	Ian Mckibben	CPPclang++18.1.3	Success	71,057
Jan 19, 2025 09:43	Ian Mckibben	CPPclang++18.1.3	Error
Jan 19, 2025 09:42	Ian Mckibben	CPPclang++18.1.3	Success	70,973
Jan 19, 2025 09:35	Ian Mckibben	CPPclang++18.1.3	Success	71,154
Jan 19, 2025 09:33	Ian Mckibben	CPPclang++18.1.3	Success	70,808
Jan 19, 2025 09:32	Ian Mckibben	CPPclang++18.1.3	Success	70,719+0.13 RP

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