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
Jul 2, 2026 21:41	Victor Mercklé	CPPg++14.2.0	Success	56,870+0.16 RP
Jul 2, 2026 21:26	Victor Mercklé	CPPg++14.2.0	Success	56,921
Jul 2, 2026 21:02	Victor Mercklé	CPPg++14.2.0	Success	56,972
Jul 2, 2026 20:40	Victor Mercklé	CPPg++14.2.0	Success	56,975
Jul 2, 2026 20:16	Victor Mercklé	CPPg++14.2.0	Success	57,067
Jul 2, 2026 16:24	Ilya	CPPclang++16.0.6	Success	58,978
Jul 2, 2026 15:11	Ilya	CPPclang++20.1.2	Success	62,813
Jul 2, 2026 15:09	Ilya	CPPclang++16.0.6	Success	62,845
Jul 2, 2026 12:41	Ilya	CPPclang++16.0.6	Success	59,454
Jul 2, 2026 12:40	Ilya	CPPclang++14.0.6	Success	59,159
Jul 2, 2026 12:39	Ilya	CPPclang++20.1.2	Success	58,991
Jul 2, 2026 12:39	Ilya	CPPclang++19.1.1	Success	59,035
Jul 2, 2026 12:39	Ilya	CPPclang++18.1.3	Success	59,124
Jul 2, 2026 12:39	Ilya	CPPclang++17.0.6	Success	59,021
Jul 2, 2026 12:36	Ilya	CPPclang++15.0.7	Success	59,070
Jul 2, 2026 12:35	Ilya	CPPg++13.3.0	Success	59,629
Jul 2, 2026 12:32	Ilya	CPPclang++16.0.6	Success	59,202
Jul 2, 2026 12:24	Ilya	CPPclang++16.0.6	Success	59,554
Jul 2, 2026 12:20	Ilya	CPPclang++16.0.6	Success	59,208
Jul 2, 2026 12:18	Ilya	CPPclang++16.0.6	Success	59,505
Jul 2, 2026 12:15	Ilya	CPPclang++16.0.6	Success	60,351
Jul 2, 2026 12:06	Ilya	CPPclang++16.0.6	Success	60,218
Jul 2, 2026 11:59	Ilya	CPPclang++16.0.6	Success	59,578
Jul 2, 2026 11:56	Ilya	CPPclang++16.0.6	Success	59,700
Jul 2, 2026 11:51	Ilya	CPPclang++16.0.6	Success	58,932
Jul 2, 2026 11:47	Ilya	CPPclang++16.0.6	Error
Jul 2, 2026 11:46	Ilya	CPPclang++16.0.6	Error
Jul 2, 2026 11:41	Ilya	CPPclang++16.0.6	Success	59,048
Jul 1, 2026 14:25	Ilya	CPPclang++16.0.6	Success	59,070
Jul 1, 2026 13:50	Ilya	CPPclang++16.0.6	Success	62,027
Jul 1, 2026 13:45	Ilya	CPPclang++16.0.6	Success	63,243
Jul 1, 2026 13:41	Ilya	CPPclang++16.0.6	Success	61,091
Jul 1, 2026 13:38	Ilya	CPPclang++16.0.6	Success	21,584,135
Jul 1, 2026 13:31	Ilya	CPPclang++16.0.6	Success	21,651,721
Jul 1, 2026 13:28	Ilya	CPPclang++16.0.6	Success	21,660,602
Jul 1, 2026 13:24	Ilya	CPPclang++16.0.6	Error
Jul 1, 2026 13:14	Ilya	CPPclang++16.0.6	Error
Jul 1, 2026 07:56	Ilya	CPPclang++16.0.6	Success	58,972
Jun 30, 2026 22:39	Ilya	CPPclang++15.0.7	Success	59,043
Jun 30, 2026 22:39	Ilya	CPPclang++20.1.2	Success	60,137
Jun 30, 2026 22:37	Ilya	CPPg++13.3.0	Success	59,981
Jun 30, 2026 22:35	Ilya	CPPclang++16.0.6	Success	58,900+0.04 RP
Jun 30, 2026 22:32	Ilya	CPPclang++16.0.6	Success	59,208
Jun 30, 2026 22:29	Ilya	CPPclang++16.0.6	Success	61,875
Jun 30, 2026 22:25	Ilya	CPPclang++16.0.6	Success	21,485,324
Jun 30, 2026 22:25	Ilya	CPPclang++16.0.6	Success	61,937
Jun 30, 2026 22:22	Ilya	CPPclang++16.0.6	Success	59,348
Jun 30, 2026 22:20	Ilya	CPPclang++17.0.6	Success	60,140
Jun 30, 2026 22:15	Ilya	CPPclang++16.0.6	Success	58,970
Jun 30, 2026 22:14	Ilya	CPPg++14.2.0	Success	59,367
Jun 30, 2026 22:14	Ilya	CPPg++13.3.0	Success	59,154
Jun 30, 2026 22:14	Ilya	CPPclang++20.1.2	Success	60,143
Jun 30, 2026 22:12	Ilya	CPPclang++16.0.6	Success	59,032
Jun 30, 2026 22:06	Ilya	CPPclang++16.0.6	Error
Jun 30, 2026 22:03	Ilya	CPPclang++16.0.6	Error
Jun 30, 2026 21:59	Ilya	CPPclang++16.0.6	Error
Jun 30, 2026 21:31	Ilya	CPPg++14.2.0	Success	59,464
Jun 30, 2026 21:28	Ilya	CPPclang++16.0.6	Success	59,154
Jun 30, 2026 21:24	Ilya	CPPclang++20.1.2	Success	61,872
Jun 30, 2026 21:24	Ilya	CPPclang++16.0.6	Success	60,405
Jun 30, 2026 21:24	Ilya	CPPclang++20.1.2	Success	62,086
Jun 30, 2026 21:22	Ilya	CPPclang++14.0.6	Success	60,486
Jun 30, 2026 21:15	Ilya	CPPclang++16.0.6	Success	59,064
Jun 30, 2026 21:15	Ilya	CPPclang++16.0.6	Success	59,218
Jun 30, 2026 21:13	Ilya	CPPclang++16.0.6	Success	59,178
Jun 30, 2026 21:12	Ilya	CPPclang++16.0.6	Success	59,056
Jun 30, 2026 21:09	Ilya	CPPclang++16.0.6	Success	58,986
Jun 30, 2026 21:03	Ilya	CPPclang++18.1.3	Success	59,951
Jun 30, 2026 18:17	Ilya	CPPclang++20.1.2	Success	60,240
Jun 30, 2026 18:17	Ilya	CPPclang++14.0.6	Success	59,059
Jun 30, 2026 18:16	Ilya	CPPclang++18.1.3	Success	60,164
Jun 30, 2026 18:16	Ilya	CPPclang++19.1.1	Success	60,270
Jun 30, 2026 18:14	Ilya	CPPclang++16.0.6	Success	59,045
Jun 30, 2026 18:11	Ilya	CPPclang++17.0.6	Success	60,348
Jun 30, 2026 18:03	Ilya	CPPclang++16.0.6	Success	58,913+0.21 RP
Jun 30, 2026 18:03	Ilya	CPPclang++15.0.7	Success	58,989
Jun 30, 2026 18:00	Ilya	CPPclang++14.0.6	Success	58,994
Jun 30, 2026 17:58	Ilya	CPPg++13.3.0	Success	59,300
Jun 30, 2026 17:56	Ilya	CPPg++14.2.0	Success	59,302
Jun 30, 2026 17:52	Ilya	CPPg++14.2.0	Error
Jun 30, 2026 17:51	Ilya	CPPg++14.2.0	Success	62,502
Jun 30, 2026 17:50	Ilya	CPPg++14.2.0	Error
Jun 30, 2026 17:44	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 17:38	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 17:34	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 17:32	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 17:26	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 17:11	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 17:08	Ilya	CPPg++13.3.0	Success	60,983
Jun 30, 2026 16:49	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 16:40	Ilya	CPPg++13.3.0	Success	60,170
Jun 30, 2026 16:39	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 16:37	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 16:37	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 16:34	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 16:27	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 16:23	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 16:20	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 16:20	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 16:11	Ilya	CPPg++13.3.0	Success	60,581

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