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
Jun 9, 2026 20:31	Victor Mercklé	CPPg++14.2.0	Success	67,327
Jun 8, 2026 01:27	Victor Mercklé	CPPg++14.2.0	Success	64,132
Jun 8, 2026 01:22	Victor Mercklé	CPPg++14.2.0	Success	63,978+0.14 RP
Jun 8, 2026 01:15	Victor Mercklé	CPPg++14.2.0	Success	64,100
Jun 8, 2026 01:10	Victor Mercklé	CPPg++14.2.0	Success	64,037+0.02 RP
Jun 8, 2026 01:01	Victor Mercklé	CPPg++14.2.0	Success	66,154
Jun 8, 2026 00:52	Victor Mercklé	CPPg++14.2.0	Success	157,767
Jun 7, 2026 02:37	Victor Mercklé	CPPg++14.2.0	Success	64,086
Jun 7, 2026 02:32	Victor Mercklé	CPPg++14.2.0	Success	64,081
Jun 7, 2026 02:27	Victor Mercklé	CPPg++14.2.0	Success	64,045+0.01 RP
Jun 7, 2026 02:20	Victor Mercklé	CPPg++14.2.0	Success	64,135
Jun 7, 2026 02:15	Victor Mercklé	CPPg++14.2.0	Success	64,108
Jun 7, 2026 02:09	Victor Mercklé	CPPg++14.2.0	Success	64,062
Jun 6, 2026 11:04	Victor Mercklé	CPPg++14.2.0	Success	64,202
Jun 6, 2026 10:59	Victor Mercklé	CPPg++14.2.0	Success	64,194
Jun 6, 2026 10:54	Victor Mercklé	CPPg++14.2.0	Success	64,470
Jun 6, 2026 10:49	Victor Mercklé	CPPg++14.2.0	Success	64,051+0.16 RP
Jun 6, 2026 10:44	Victor Mercklé	CPPg++14.2.0	Success	64,335
Jun 6, 2026 10:39	Victor Mercklé	CPPg++14.2.0	Success	64,764
Jun 6, 2026 10:34	Victor Mercklé	CPPg++14.2.0	Success	64,116+0.62 RP
Jun 6, 2026 10:29	Victor Mercklé	CPPg++14.2.0	Success	64,632
Jun 6, 2026 10:24	Victor Mercklé	CPPg++14.2.0	Success	64,454
Jun 6, 2026 10:19	Victor Mercklé	CPPg++14.2.0	Success	68,364
Jun 6, 2026 10:07	Victor Mercklé	CPPg++14.2.0	Success	64,508
Jun 6, 2026 10:02	Victor Mercklé	CPPg++14.2.0	Success	64,427
Jun 6, 2026 09:57	Victor Mercklé	CPPg++14.2.0	Success	64,532
Jun 5, 2026 13:35	Victor Mercklé	CPPg++14.2.0	Success	64,532
Jun 5, 2026 13:30	Victor Mercklé	CPPg++14.2.0	Success	64,537
Jun 5, 2026 13:25	Victor Mercklé	CPPg++14.2.0	Success	64,494
Jun 5, 2026 13:20	Victor Mercklé	CPPg++14.2.0	Success	66,910
Jun 5, 2026 13:15	Victor Mercklé	CPPg++14.2.0	Success	64,478
Jun 5, 2026 13:09	Victor Mercklé	CPPg++14.2.0	Success	64,497
Jun 5, 2026 13:04	Victor Mercklé	CPPg++14.2.0	Success	64,497
Jun 5, 2026 12:59	Victor Mercklé	CPPg++14.2.0	Success	64,689
May 21, 2026 19:16	M-Rochat	CPPg++13.3.0	Success	59,021
May 21, 2026 19:09	M-Rochat	CPPg++13.3.0	Success	58,905
May 21, 2026 19:06	M-Rochat	CPPg++13.3.0	Success	58,762+0.41 RP
May 21, 2026 19:03	M-Rochat	CPPg++13.3.0	Success	58,905+1.54 RP
May 21, 2026 18:58	M-Rochat	CPPg++13.3.0	Success	59,581
May 21, 2026 18:56	M-Rochat	CPPg++13.3.0	Success	59,443+0.21 RP
May 21, 2026 18:52	M-Rochat	CPPg++13.3.0	Success	59,591
May 21, 2026 18:50	M-Rochat	CPPg++13.3.0	Success	59,567
May 21, 2026 18:47	M-Rochat	CPPg++13.3.0	Success	59,751
May 21, 2026 18:41	M-Rochat	CPPg++13.3.0	Success	59,562
May 21, 2026 18:38	M-Rochat	CPPg++13.3.0	Success	59,581
May 21, 2026 18:36	M-Rochat	CPPg++13.3.0	Success	59,543
May 21, 2026 18:32	M-Rochat	CPPg++13.3.0	Success	59,600
May 21, 2026 18:30	M-Rochat	CPPg++13.3.0	Success	61,172
May 21, 2026 18:28	M-Rochat	CPPg++13.3.0	Success	62,013
May 21, 2026 18:25	M-Rochat	CPPg++13.3.0	Success	59,556
May 18, 2026 18:43	M-Rochat	CPPg++13.3.0	Success	59,610
May 18, 2026 18:39	M-Rochat	CPPg++13.3.0	Success	59,645
May 18, 2026 18:38	M-Rochat	CPPg++13.3.0	Success	59,700
May 18, 2026 18:38	M-Rochat	CPPg++13.3.0	Success	59,651
May 18, 2026 18:35	M-Rochat	CPPg++13.3.0	Success	59,586
May 18, 2026 18:34	M-Rochat	CPPg++13.3.0	Success	59,591
May 18, 2026 18:33	M-Rochat	CPPg++13.3.0	Success	59,683
May 18, 2026 18:33	M-Rochat	CPPg++13.3.0	Success	59,518+0.25 RP
May 18, 2026 18:31	M-Rochat	CPPg++13.3.0	Success	59,605+0.17 RP
May 18, 2026 18:23	M-Rochat	CPPg++13.3.0	Success	59,705
May 18, 2026 18:23	M-Rochat	CPPg++13.3.0	Success	59,805
May 18, 2026 18:20	M-Rochat	CPPg++13.3.0	Success	59,667+0.01 RP
May 18, 2026 18:18	M-Rochat	CPPg++13.3.0	Success	59,721
May 18, 2026 18:17	M-Rochat	CPPg++13.3.0	Success	59,672+0.03 RP
May 18, 2026 18:16	M-Rochat	CPPg++13.3.0	Success	59,713
May 18, 2026 18:16	M-Rochat	CPPg++13.3.0	Success	59,751
May 18, 2026 18:15	M-Rochat	CPPg++13.3.0	Success	59,686
May 18, 2026 18:15	M-Rochat	CPPg++13.3.0	Success	60,991
May 18, 2026 18:12	M-Rochat	CPPg++13.3.0	Success	59,683+0.50 RP
May 18, 2026 18:12	M-Rochat	CPPg++13.3.0	Success	72,367
May 18, 2026 17:56	M-Rochat	CPPg++13.3.0	Success	59,997
May 18, 2026 17:43	M-Rochat	CPPg++13.3.0	Success	59,962
May 18, 2026 17:43	M-Rochat	CPPg++13.3.0	Success	59,886
May 18, 2026 17:20	M-Rochat	CPPg++13.3.0	Success	59,937
May 18, 2026 16:36	M-Rochat	CPPg++13.3.0	Success	59,916
May 18, 2026 08:32	M-Rochat	CPPg++13.3.0	Success	59,970
May 18, 2026 05:37	M-Rochat	CPPg++13.3.0	Success	59,945
May 18, 2026 05:30	M-Rochat	CPPg++13.3.0	Success	59,929
May 18, 2026 05:13	M-Rochat	CPPg++13.3.0	Success	59,867
May 18, 2026 05:13	M-Rochat	CPPg++13.3.0	Success	59,902+0.08 RP
May 18, 2026 05:13	M-Rochat	CPPg++13.3.0	Success	59,862+0.11 RP
May 18, 2026 03:27	M-Rochat	CPPclang++20.1.2	Success	64,524
May 18, 2026 03:27	M-Rochat	CPPg++10.5.0	Success	61,181
May 18, 2026 03:25	M-Rochat	CPPg++13.3.0	Success	59,929+0.95 RP
May 18, 2026 02:16	M-Rochat	CPPg++10.5.0	Success	64,018
May 18, 2026 02:12	M-Rochat	CPPg++13.3.0	Success	60,732
May 18, 2026 02:12	M-Rochat	CPPg++13.3.0	Success	63,018
May 18, 2026 00:54	M-Rochat	CPPg++13.3.0	Success	60,570
May 17, 2026 23:51	M-Rochat	CPPg++13.3.0	Success	61,589
May 17, 2026 23:51	M-Rochat	CPPg++13.3.0	Success	62,562
May 17, 2026 14:54	M-Rochat	CPPg++12.4.0	Success	60,510
May 17, 2026 14:53	M-Rochat	CPPg++11.5.0	Success	63,897
May 17, 2026 14:53	M-Rochat	CPPg++10.5.0	Success	64,024
May 17, 2026 12:09	M-Rochat	CPPg++13.3.0	Success	62,813
May 17, 2026 11:56	M-Rochat	CPPclang++20.1.2	Success	61,502
May 17, 2026 11:56	M-Rochat	CPPg++14.2.0	Success	60,443
May 17, 2026 11:56	M-Rochat	CPPclang++18.1.3	Success	61,486
May 17, 2026 11:53	M-Rochat	CPPg++13.3.0	Success	60,383
May 17, 2026 11:53	M-Rochat	CPPg++13.3.0	Success	60,356
May 17, 2026 11:53	M-Rochat	CPPg++13.3.0	Success	60,532

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