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
Sep 28, 2023 16:58	mmalczak	CPPg++9.3.0	Success	70,600
Sep 28, 2023 16:58	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:57	mmalczak	CPPg++9.3.0	Success	70,592
Sep 28, 2023 16:56	mmalczak	CPPg++9.3.0	Error
Sep 28, 2023 16:55	mmalczak	CPPg++9.3.0	Error
Sep 28, 2023 16:55	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:53	apuxbt	CPPg++9.3.0	Success	81,006
Sep 28, 2023 16:52	mmalczak	CPPg++9.3.0	Error
Sep 28, 2023 16:50	mmalczak	CPPg++9.3.0	Error
Sep 28, 2023 16:49	mmalczak	CPPg++9.3.0	Error
Sep 28, 2023 16:48	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:48	mmalczak	CPPg++9.3.0	Error
Sep 28, 2023 16:47	mmalczak	CPPg++9.3.0	Error
Sep 28, 2023 16:47	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:46	mmalczak	CPPg++9.3.0	Error
Sep 28, 2023 16:45	mmalczak	CPPg++9.3.0	Error
Sep 28, 2023 16:42	apuxbt	CPPg++9.3.0	Success	76,870+41.13 RP
Sep 28, 2023 16:42	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:38	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:37	mmalczak	CPPg++9.3.0	Success	69,819+0.02 RP
Sep 28, 2023 16:35	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:34	mmalczak	CPPg++9.3.0	Success	69,881
Sep 28, 2023 16:32	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:31	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:30	mmalczak	CPPg++9.3.0	Success	69,830+5.99 RP
Sep 28, 2023 16:29	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:28	mmalczak	CPPg++9.3.0	Success	74,350
Sep 28, 2023 16:28	mmalczak	CPPg++9.3.0	Success	74,227
Sep 28, 2023 16:28	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:18	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:16	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:14	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:11	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:05	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:04	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 16:03	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:59	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:57	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:51	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:50	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:39	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:37	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:28	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:27	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:26	apuxbt	CPPg++9.3.0	Success	132,662
Sep 28, 2023 15:22	apuxbt	CPPg++9.3.0	Success	112,409+33.24 RP
Sep 28, 2023 15:18	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:12	apuxbt	CPPg++9.3.0	Success	179,922
Sep 28, 2023 15:11	apuxbt	CPPg++9.3.0	Success	179,874
Sep 28, 2023 15:10	apuxbt	CPPg++9.3.0	Success	179,482+0.08 RP
Sep 28, 2023 15:07	apuxbt	CPPg++9.3.0	Error
Sep 28, 2023 15:06	apuxbt	CPPg++9.3.0	Success	179,736+0.12 RP
Sep 28, 2023 15:04	apuxbt	CPPg++9.3.0	Success	180,120+50.10 RP
Sep 28, 2023 15:00	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 17:26	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 17:24	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 17:18	apuxbt	CPPg++9.3.0	Success	6,732,135
Sep 27, 2023 17:17	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:56	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:55	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:51	apuxbt	CPPg++9.3.0	Success	5,697,374
Sep 27, 2023 16:42	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:41	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:40	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:39	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:35	apuxbt	CPPg++9.3.0	Success	8,775,747
Sep 27, 2023 16:35	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:33	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:33	apuxbt	CPPclang++10.0.0	Error
Sep 27, 2023 16:31	apuxbt	CPPclang++10.0.0	Error
Sep 27, 2023 16:28	apuxbt	CPPclang++10.0.0	Success	8,651,350
Sep 27, 2023 16:27	apuxbt	CPPclang++10.0.0	Error
Sep 27, 2023 16:26	apuxbt	CPPclang++10.0.0	Error
Sep 27, 2023 16:25	apuxbt	CPPclang++10.0.0	Error
Sep 27, 2023 16:24	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:22	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:22	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:21	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:19	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:15	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:14	apuxbt	CPPg++9.3.0	Success	2,012,572
Sep 27, 2023 16:13	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:12	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:11	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:10	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:09	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:01	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 16:00	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:58	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:56	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:54	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:49	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:47	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:45	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:43	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:41	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:37	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 15:34	apuxbt	CPPg++9.3.0	Success	1,847,154+0.59 RP
Sep 27, 2023 15:25	mmalczak	CPPg++9.3.0	Success	74,202
Sep 27, 2023 15:23	mmalczak	CPPg++9.3.0	Success	74,228

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