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
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
Jun 30, 2026 16:05	Ilya	CPPg++13.3.0	Success	60,727
Jun 30, 2026 16:00	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 15:50	Ilya	CPPg++13.3.0	Success	60,878
Jun 30, 2026 15:48	Ilya	CPPg++13.3.0	Success	60,524
Jun 30, 2026 15:42	Ilya	CPPg++13.3.0	Success	66,745
Jun 30, 2026 15:31	Ilya	CPPg++13.3.0	Success	60,432
Jun 30, 2026 14:36	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 14:34	Ilya	CPPg++13.3.0	Success	60,243
Jun 30, 2026 14:32	Ilya	CPPg++13.3.0	Success	59,486
Jun 30, 2026 14:27	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 14:00	Ilya	CPPg++13.3.0	Success	64,186
Jun 30, 2026 13:52	Ilya	CPPg++13.3.0	Success	60,070
Jun 30, 2026 13:46	Ilya	CPPg++13.3.0	Success	62,978
Jun 30, 2026 13:42	Ilya	CPPg++13.3.0	Success	59,391
Jun 30, 2026 13:18	Ilya	CPPg++13.3.0	Success	86,570
Jun 30, 2026 11:19	Ilya	CPPg++13.3.0	Success	61,264
Jun 30, 2026 11:15	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 11:13	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 11:04	Ilya	CPPg++13.3.0	Success	20,879,754
Jun 30, 2026 10:55	Ilya	CPPclang++14.0.6	Success	60,383
Jun 30, 2026 10:51	Ilya	CPPclang++14.0.6	Success	60,602
Jun 30, 2026 10:51	Ilya	CPPg++13.3.0	Success	60,483
Jun 30, 2026 10:49	Ilya	CPPg++13.3.0	Success	60,962
Jun 30, 2026 10:48	Ilya	CPPg++13.3.0	Success	60,937
Jun 30, 2026 10:45	Ilya	CPPg++13.3.0	Success	60,927
Jun 30, 2026 10:41	Ilya	CPPg++13.3.0	Success	61,327
Jun 30, 2026 10:37	Ilya	CPPg++13.3.0	Success	62,370
Jun 30, 2026 10:37	Ilya	CPPg++13.3.0	Success	62,378
Jun 30, 2026 10:34	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 10:31	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 10:22	Ilya	CPPg++13.3.0	Success	62,221
Jun 30, 2026 10:12	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 10:04	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 09:59	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 09:54	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 09:47	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 09:35	Ilya	CPPg++13.3.0	Success	61,089
Jun 30, 2026 09:33	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 09:30	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 08:48	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 08:47	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 08:47	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 08:41	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 08:39	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 08:07	Ilya	CPPg++13.3.0	Success	61,770
Jun 30, 2026 08:03	Ilya	CPPg++13.3.0	Success	61,872
Jun 30, 2026 08:02	Ilya	CPPg++13.3.0	Success	61,837
Jun 30, 2026 08:02	Ilya	CPPg++13.3.0	Success	61,781
Jun 30, 2026 08:01	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 08:01	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 08:00	Ilya	CPPg++13.3.0	Error
Jun 30, 2026 07:50	Ilya	CPPclang++16.0.6	Success	59,210
Jun 30, 2026 07:49	Ilya	CPPg++14.2.0	Success	59,429
Jun 30, 2026 07:49	Ilya	CPPg++13.3.0	Success	58,986+0.05 RP
Jun 30, 2026 07:48	Ilya	CPPclang++20.1.2	Success	60,308
Jun 30, 2026 07:46	Ilya	CPPclang++14.0.6	Success	59,045
Jun 30, 2026 07:44	Ilya	CPPclang++14.0.6	Success	59,005+0.08 RP
Jun 30, 2026 07:40	Ilya	CPPclang++14.0.6	Success	59,700
Jun 30, 2026 07:39	Ilya	CPPclang++14.0.6	Success	64,497
Jun 30, 2026 07:35	Ilya	CPPclang++14.0.6	Success	21,488,694
Jun 30, 2026 07:28	Ilya	CPPclang++14.0.6	Success	59,032+0.04 RP
Jun 29, 2026 21:33	Ilya	CPPclang++14.0.6	Success	59,781
Jun 29, 2026 21:33	Ilya	CPPclang++14.0.6	Success	59,451
Jun 29, 2026 21:31	Ilya	CPPclang++14.0.6	Success	59,272
Jun 29, 2026 21:28	Ilya	CPPclang++14.0.6	Success	59,045+0.29 RP
Jun 29, 2026 21:23	Ilya	CPPclang++20.1.2	Success	60,232
Jun 29, 2026 21:23	Ilya	CPPclang++19.1.1	Success	60,178
Jun 29, 2026 21:23	Ilya	CPPclang++18.1.3	Success	60,156
Jun 29, 2026 21:23	Ilya	CPPclang++17.0.6	Success	60,329
Jun 29, 2026 21:18	Ilya	CPPclang++16.0.6	Success	59,151
Jun 29, 2026 21:16	Ilya	CPPg++10.5.0	Success	60,918
Jun 29, 2026 21:15	Ilya	CPPg++13.3.0	Success	59,516
Jun 29, 2026 21:15	Ilya	CPPclang++18.1.3	Success	60,659
Jun 29, 2026 21:15	Ilya	CPPclang++17.0.6	Success	60,370
Jun 29, 2026 21:14	Ilya	CPPclang++16.0.6	Success	59,245
Jun 29, 2026 21:13	Ilya	CPPclang++15.0.7	Success	59,478
Jun 29, 2026 21:11	Ilya	CPPclang++20.1.2	Success	60,489
Jun 29, 2026 21:08	Ilya	CPPg++14.2.0	Success	59,610
Jun 29, 2026 21:05	Ilya	CPPclang++14.0.6	Success	59,329
Jun 29, 2026 21:04	Ilya	CPPclang++14.0.6	Success	59,445
Jun 29, 2026 21:02	Ilya	CPPclang++14.0.6	Success	59,356
Jun 29, 2026 21:00	Ilya	CPPclang++14.0.6	Success	59,210
Jun 29, 2026 20:57	Ilya	CPPclang++14.0.6	Success	59,148+1.68 RP
Jun 29, 2026 20:56	Ilya	CPPclang++14.0.6	Success	60,654
Jun 29, 2026 20:54	Ilya	CPPclang++14.0.6	Success	59,970
Jun 29, 2026 20:52	Ilya	CPPclang++14.0.6	Success	60,070
Jun 29, 2026 20:47	Ilya	CPPclang++14.0.6	Success	59,932
Jun 29, 2026 20:43	Ilya	CPPclang++14.0.6	Success	59,848

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