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
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
Mar 16, 2025 14:47	Cema	CPPg++13.2.0	Success	170,908
Mar 16, 2025 14:41	Cema	CPPg++13.2.0	Success	86,111
Mar 16, 2025 14:39	Cema	CPPg++13.2.0	Success	85,989
Mar 15, 2025 12:20	Aniruddha Deb	CPPg++13.2.0	Success	70,746
Mar 15, 2025 12:20	Aniruddha Deb	CPPg++13.2.0	Success	69,108+0.05 RP
Mar 15, 2025 12:20	Aniruddha Deb	CPPg++13.2.0	Success	70,365
Mar 15, 2025 12:16	Aniruddha Deb	CPPg++13.2.0	Success	69,130+3.02 RP
Mar 15, 2025 12:14	Aniruddha Deb	CPPg++13.2.0	Success	71,914
Mar 15, 2025 12:13	Aniruddha Deb	CPPg++13.2.0	Success	70,811
Mar 15, 2025 12:11	Aniruddha Deb	CPPg++13.2.0	Success	70,795
Mar 15, 2025 10:58	Aniruddha Deb	CPPg++13.2.0	Success	70,605+2.80 RP
Mar 15, 2025 10:41	Aniruddha Deb	CPPg++13.2.0	Success	72,030+52.85 RP
Mar 14, 2025 22:43	Aniruddha Deb	CPPg++13.2.0	Success	116,311+0.16 RP
Mar 14, 2025 22:36	Aniruddha Deb	CPPg++13.2.0	Success	117,397
Mar 14, 2025 22:35	Aniruddha Deb	CPPg++13.2.0	Success	143,419
Mar 14, 2025 22:29	Aniruddha Deb	CPPg++13.2.0	Success	116,532+5.28 RP
Mar 13, 2025 23:42	Aniruddha Deb	CPPg++13.2.0	Success	124,178+0.06 RP
Mar 13, 2025 23:40	Aniruddha Deb	CPPg++13.2.0	Success	124,386
Mar 13, 2025 23:40	Aniruddha Deb	CPPg++13.2.0	Success	167,265
Mar 13, 2025 23:40	Aniruddha Deb	CPPg++13.2.0	Success	167,527
Mar 13, 2025 23:39	Aniruddha Deb	CPPg++13.2.0	Success	170,916
Mar 13, 2025 23:39	Aniruddha Deb	CPPg++13.2.0	Success	172,565
Mar 13, 2025 23:39	Aniruddha Deb	CPPg++13.2.0	Success	167,297
Mar 13, 2025 23:35	Aniruddha Deb	CPPg++13.2.0	Success	124,276+80.47 RP
Mar 13, 2025 23:28	Aniruddha Deb	CPPg++13.2.0	Error
Mar 13, 2025 23:25	Aniruddha Deb	CPPg++13.2.0	Error
Mar 12, 2025 07:19	Oleg Kovalov	GOgo1.24.1	Success	137,473+0.79 RP
Mar 12, 2025 07:17	Oleg Kovalov	GOgo1.24.1	Success	498,554
Mar 11, 2025 17:06	Dan Stolyarov	CPPclang++18.1.3	Success	282,824+2.03 RP
Feb 28, 2025 05:27	NoSIMD_C#	CSHARP10.0.0-preview.1	Success	272,743
Feb 17, 2025 09:34	Ian Mckibben	CPPclang++18.1.3	Success	72,200
Feb 17, 2025 09:33	Ian Mckibben	CPPclang++18.1.3	Error
Feb 3, 2025 05:30	NoSIMD_C#	CPPclang++18.1.3	Success	21,500,327
Feb 2, 2025 18:59	HighloadGPT-o3-mini-high	CPPg++13.2.0	Success	76,951+129.95 RP
Feb 1, 2025 07:30	mebowler	GOgo1.22.0	Success	776,000
Feb 1, 2025 07:26	mebowler	GOgo1.22.0	Success	711,784
Feb 1, 2025 07:20	mebowler	GOgo1.22.0	Error
Jan 30, 2025 03:05	Keefe	CPPclang++18.1.3	Error
Jan 30, 2025 02:16	Keefe	CPPclang++18.1.3	Success	126,100+79.30 RP
Jan 28, 2025 11:37	Oleg Kovalov	GOgo1.23.5	Success	550,897
Jan 28, 2025 11:30	Oleg Kovalov	GOgo1.23.5	Success	141,335
Jan 28, 2025 11:16	Oleg Kovalov	GOgo1.23.5	Success	138,973+24.84 RP
Jan 28, 2025 09:58	Oleg Kovalov	GOgo1.23.5	Success	237,495
Jan 28, 2025 09:46	mebowler	GOgo1.22.0	Success	275,149
Jan 28, 2025 09:44	mebowler	GOgo1.22.0	Error
Jan 28, 2025 09:40	Oleg Kovalov	GOgo1.23.5	Success	212,262+18.25 RP
Jan 28, 2025 09:37	Oleg Kovalov	GOgo1.23.5	Success	13,899,154
Jan 28, 2025 09:37	mebowler	GOgo1.21.1	Success	275,224
Jan 28, 2025 09:36	mebowler	GOgo1.20	Success	275,895
Jan 28, 2025 09:33	mebowler	GOgo1.22.0	Success	276,497
Jan 28, 2025 09:33	Oleg Kovalov	GOgo1.23.5	Success	13,905,468
Jan 28, 2025 09:32	mebowler	GOgo1.22.0	Success	2,354,976
Jan 28, 2025 09:31	Oleg Kovalov	GOgo1.23.5	Error
Jan 28, 2025 09:29	mebowler	GOgo1.22.0	Success	274,657
Jan 28, 2025 09:27	mebowler	GOgo1.22.0	Success	1,604,324
Jan 28, 2025 09:20	mebowler	GOgo1.23.5	Success	275,824
Jan 28, 2025 09:18	mebowler	GOgo1.20	Success	275,497
Jan 28, 2025 09:18	mebowler	GOgo1.20	Success	275,151
Jan 28, 2025 09:17	mebowler	GOgo1.22.0	Success	276,838
Jan 28, 2025 09:14	mebowler	GOgo1.22.0	Success	274,616+0.07 RP
Jan 28, 2025 09:13	mebowler	GOgo1.22.0	Success	277,276
Jan 28, 2025 09:12	mebowler	GOgo1.22.0	Success	276,557
Jan 28, 2025 09:09	mebowler	GOgo1.22.0	Success	275,157
Jan 28, 2025 09:03	mebowler	GOgo1.23.5	Success	277,965
Jan 28, 2025 09:02	mebowler	GOgo1.23.5	Success	279,873
Jan 28, 2025 09:01	mebowler	GOgo1.23.5	Success	275,365
Jan 28, 2025 08:56	mebowler	GOgo1.20	Success	275,130+0.01 RP
Jan 28, 2025 08:55	mebowler	GOgo1.23.5	Success	284,476
Jan 28, 2025 08:51	mebowler	GOgo1.23.5	Success	275,195+0.25 RP
Jan 28, 2025 08:50	mebowler	GOgo1.23.5	Success	291,354
Jan 28, 2025 08:48	mebowler	GOgo1.23.5	Success	301,257
Jan 28, 2025 08:44	mebowler	GOgo1.23.5	Success	277,119+1.91 RP
Jan 28, 2025 08:41	mebowler	GOgo1.23.5	Success	292,616+0.62 RP
Jan 28, 2025 08:39	mebowler	GOgo1.23.5	Success	1,436,359
Jan 28, 2025 08:38	mebowler	GOgo1.23.5	Success	1,607,354
Jan 28, 2025 08:33	mebowler	GOgo1.23.5	Success	298,027+0.26 RP
Jan 28, 2025 08:32	mebowler	GOgo1.23.5	Success	462,265
Jan 28, 2025 08:31	mebowler	GOgo1.23.5	Success	386,019
Jan 28, 2025 08:23	mebowler	GOgo1.23.5	Success	300,397+5.69 RP
Jan 28, 2025 08:16	mebowler	GOgo1.23.5	Success	495,724

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