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
Apr 9, 2025 16:15	NoSIMD_C#	CSHARP9.0.3	Success	277,527
Apr 9, 2025 16:14	NoSIMD_C#	CSHARP9.0.3	Success	274,092
Apr 9, 2025 12:01	NoSIMD_C#	CSHARP9.0.3	Success	274,438
Apr 9, 2025 12:00	NoSIMD_C#	CSHARP9.0.3	Success	586,505
Apr 9, 2025 11:56	NoSIMD_C#	CSHARP9.0.3	Success	509,462
Apr 9, 2025 11:52	NoSIMD_C#	CSHARP9.0.3	Success	325,241
Apr 9, 2025 11:40	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 11:30	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 08:46	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 08:41	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 08:09	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 07:52	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 07:27	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 07:18	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 07:08	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 05:44	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 00:52	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 00:48	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 00:44	NoSIMD_C#	CSHARP9.0.3	Error
Apr 9, 2025 00:31	NoSIMD_C#	CSHARP9.0.3	Success	272,800
Apr 9, 2025 00:26	NoSIMD_C#	CSHARP9.0.3	Error
Apr 8, 2025 07:20	NoSIMD_C#	CPPclang++18.1.3	Success	21,444,786
Apr 6, 2025 04:18	NoSIMD_C#	CSHARP9.0.3	Success	279,470
Apr 6, 2025 03:56	NoSIMD_C#	CSHARP9.0.3	Success	282,068
Apr 5, 2025 19:17	NoSIMD_C#	CSHARP9.0.3	Success	273,041
Apr 5, 2025 19:13	NoSIMD_C#	CSHARP9.0.3	Success	273,786
Apr 5, 2025 19:05	NoSIMD_C#	CSHARP9.0.3	Success	275,105
Apr 5, 2025 19:04	NoSIMD_C#	CSHARP9.0.3	Error
Apr 5, 2025 19:03	NoSIMD_C#	CSHARP9.0.3	Error
Apr 5, 2025 19:02	NoSIMD_C#	CSHARP9.0.3	Error
Apr 5, 2025 19:01	NoSIMD_C#	CSHARP9.0.3	Error
Apr 5, 2025 19:00	NoSIMD_C#	CSHARP9.0.3	Error
Apr 5, 2025 18:58	NoSIMD_C#	CSHARP9.0.3	Error
Apr 4, 2025 12:58	NoSIMD_C#	CSHARP9.0.3	Success	332,854
Mar 26, 2025 22:28	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 22:25	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 22:25	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 21:52	Aniruddha Deb	CPPg++13.2.0	Success	70,005
Mar 26, 2025 21:50	Aniruddha Deb	CPPg++13.2.0	Success	70,868
Mar 26, 2025 21:46	Aniruddha Deb	CPPg++13.2.0	Success	69,927
Mar 26, 2025 21:44	Aniruddha Deb	CPPg++13.2.0	Success	71,597
Mar 26, 2025 21:39	Aniruddha Deb	CPPg++13.2.0	Success	69,895
Mar 26, 2025 21:38	Aniruddha Deb	CPPg++13.2.0	Success	69,889
Mar 26, 2025 21:20	Aniruddha Deb	CPPg++13.2.0	Success	69,354
Mar 26, 2025 21:20	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 21:19	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 20:04	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 19:56	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 19:55	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 19:32	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 19:30	Aniruddha Deb	CPPg++13.2.0	Success	70,570
Mar 26, 2025 19:27	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 19:26	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:50	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:47	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:46	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:45	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:44	Aniruddha Deb	CPPg++13.2.0	Success	71,900
Mar 26, 2025 18:40	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:39	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:38	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:29	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:28	Aniruddha Deb	CPPg++13.2.0	Error
Mar 26, 2025 18:26	Aniruddha Deb	CPPg++13.2.0	Success	69,930
Mar 26, 2025 17:44	Aniruddha Deb	CPPg++13.2.0	Success	69,905
Mar 26, 2025 17:38	Aniruddha Deb	CPPg++13.2.0	Success	69,841
Mar 17, 2025 23:38	Aniruddha Deb	CPPg++13.2.0	Success	67,778
Mar 17, 2025 23:34	Aniruddha Deb	CPPg++13.2.0	Success	67,808
Mar 17, 2025 23:34	Aniruddha Deb	CPPg++13.2.0	Success	71,708
Mar 17, 2025 23:34	Aniruddha Deb	CPPg++13.2.0	Success	69,927
Mar 17, 2025 23:32	Aniruddha Deb	CPPg++13.2.0	Success	69,919
Mar 17, 2025 23:32	Aniruddha Deb	CPPg++13.2.0	Success	70,786
Mar 17, 2025 23:32	Aniruddha Deb	CPPg++13.2.0	Success	67,786
Mar 17, 2025 23:31	Aniruddha Deb	CPPg++13.2.0	Success	67,846
Mar 17, 2025 23:31	Aniruddha Deb	CPPg++13.2.0	Success	67,849
Mar 17, 2025 23:30	Aniruddha Deb	CPPg++13.2.0	Success	69,222
Mar 17, 2025 23:30	Aniruddha Deb	CPPg++13.2.0	Success	75,300
Mar 17, 2025 23:29	Aniruddha Deb	CPPg++13.2.0	Success	75,416
Mar 17, 2025 23:28	Aniruddha Deb	CPPg++13.2.0	Success	75,327
Mar 17, 2025 23:28	Aniruddha Deb	CPPg++13.2.0	Success	75,314
Mar 17, 2025 23:27	Aniruddha Deb	CPPg++13.2.0	Success	75,381
Mar 17, 2025 23:25	Aniruddha Deb	CPPg++13.2.0	Success	71,497
Mar 17, 2025 23:22	Aniruddha Deb	CPPg++13.2.0	Success	71,457
Mar 17, 2025 23:22	Aniruddha Deb	CPPg++13.2.0	Success	75,832
Mar 17, 2025 23:21	Aniruddha Deb	CPPg++13.2.0	Success	75,308
Mar 17, 2025 23:19	Aniruddha Deb	CPPg++13.2.0	Success	74,068
Mar 17, 2025 23:19	Aniruddha Deb	CPPg++13.2.0	Success	71,016
Mar 17, 2025 23:17	Aniruddha Deb	CPPg++13.2.0	Success	67,749+2.90 RP
Mar 17, 2025 23:00	Aniruddha Deb	CPPg++13.2.0	Success	69,443
Mar 17, 2025 22:32	Aniruddha Deb	CPPg++13.2.0	Success	69,954
Mar 17, 2025 22:31	Aniruddha Deb	CPPg++13.2.0	Success	69,400
Mar 17, 2025 22:26	Aniruddha Deb	CPPg++13.2.0	Success	69,365
Mar 17, 2025 21:48	Aniruddha Deb	CPPg++13.2.0	Success	69,889
Mar 17, 2025 21:37	Aniruddha Deb	CPPg++13.2.0	Success	70,195
Mar 17, 2025 21:24	Aniruddha Deb	CPPg++13.2.0	Success	70,514
Mar 17, 2025 21:21	Aniruddha Deb	CPPg++13.2.0	Success	69,886
Mar 17, 2025 21:20	Aniruddha Deb	CPPg++13.2.0	Success	70,589
Mar 17, 2025 05:10	Cema	CPPg++13.2.0	Success	104,970
Mar 16, 2025 15:12	Cema	RUSTrust-1.85.0	Success	108,622
Mar 16, 2025 15:09	Cema	RUSTrust-1.85.0	Success	97,986

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