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
Sep 16, 2023 11:13	mmalczak	CPPg++9.3.0	Success	99,041+0.65 RP
Sep 16, 2023 11:10	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 11:06	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 11:04	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:59	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:58	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:44	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:36	mmalczak	CPPg++9.3.0	Success	99,680+7.47 RP
Sep 16, 2023 10:32	mmalczak	CPPg++9.3.0	Success	120,532
Sep 16, 2023 10:32	mmalczak	CPPg++9.3.0	Success	120,597
Sep 16, 2023 10:31	mmalczak	CPPg++9.3.0	Success	116,195
Sep 16, 2023 10:30	mmalczak	CPPg++9.3.0	Success	398,112
Sep 16, 2023 10:29	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:27	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:23	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:17	mmalczak	CPPg++9.3.0	Success	107,695+40.54 RP
Sep 16, 2023 10:16	mmalczak	CPPg++9.3.0	Success	191,138+36.91 RP
Sep 16, 2023 10:15	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:14	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:10	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:06	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:04	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 10:01	mmalczak	CPPg++9.3.0	Error
Sep 16, 2023 09:57	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:57	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:56	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:56	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:55	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:54	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:52	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:51	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:44	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:37	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:36	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:35	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:32	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:30	mmalczak	CPPg++9.3.0	Error
Sep 15, 2023 20:28	mmalczak	CPPg++9.3.0	Error
Sep 14, 2023 07:44	mmalczak	CPPg++9.3.0	Success	648,811+0.07 RP
Sep 14, 2023 07:43	mmalczak	CPPg++9.3.0	Error
Sep 14, 2023 07:40	mmalczak	CPPg++9.3.0	Error
Sep 14, 2023 07:38	mmalczak	CPPg++9.3.0	Success	651,633+0.04 RP
Sep 2, 2023 23:08	Franek Korta	CPPg++9.3.0	Success	65,602
Sep 2, 2023 23:04	Franek Korta	CPPg++9.3.0	Success	65,119
Sep 2, 2023 23:03	Franek Korta	CPPg++9.3.0	Success	65,272
Sep 2, 2023 22:57	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:56	Franek Korta	CPPg++9.3.0	Success	65,074
Sep 2, 2023 22:56	Franek Korta	CPPg++9.3.0	Success	61,300
Sep 2, 2023 22:54	Franek Korta	CPPg++9.3.0	Success	65,117
Sep 2, 2023 22:54	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:48	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:42	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:40	Franek Korta	CPPg++9.3.0	Success	65,106
Sep 2, 2023 22:39	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:32	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:30	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:28	Franek Korta	CPPg++9.3.0	Success	67,587
Sep 2, 2023 22:27	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:15	Franek Korta	CPPg++9.3.0	Success	63,357
Sep 2, 2023 22:14	Franek Korta	CPPg++9.3.0	Success	63,335
Sep 2, 2023 22:13	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:12	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:09	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:09	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 22:01	Franek Korta	CPPg++9.3.0	Success	67,684
Sep 2, 2023 22:00	Franek Korta	CPPg++9.3.0	Success	61,170+0.48 RP
Sep 2, 2023 21:55	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 21:52	Franek Korta	CPPg++9.3.0	Success	65,523
Sep 2, 2023 21:51	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 21:50	Franek Korta	CPPg++9.3.0	Success	61,784
Sep 2, 2023 21:47	Franek Korta	CPPg++9.3.0	Success	65,783
Sep 2, 2023 21:46	Franek Korta	CPPg++9.3.0	Success	61,792
Sep 2, 2023 21:42	Franek Korta	CPPg++9.3.0	Error
Sep 2, 2023 21:41	Franek Korta	CPPg++9.3.0	Success	65,139
Sep 2, 2023 21:06	Franek Korta	CPPg++9.3.0	Success	61,803
Aug 30, 2023 21:46	Franek Korta	CPPg++9.3.0	Error
Aug 30, 2023 21:26	Franek Korta	CPPg++9.3.0	Error
Aug 30, 2023 21:26	Franek Korta	CPPg++9.3.0	Error
Aug 30, 2023 21:23	Franek Korta	CPPg++9.3.0	Error
Aug 30, 2023 21:14	Franek Korta	CPPg++9.3.0	Error
Aug 30, 2023 21:12	Franek Korta	CPPg++9.3.0	Success	61,351+1.12 RP
Aug 30, 2023 21:09	Franek Korta	CPPg++9.3.0	Error
Aug 30, 2023 21:08	Franek Korta	CPPg++9.3.0	Success	65,599
Aug 30, 2023 21:07	Franek Korta	CPPg++9.3.0	Error
Aug 30, 2023 21:06	Franek Korta	CPPg++9.3.0	Error
Aug 30, 2023 21:05	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:34	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:28	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:26	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:26	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:25	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:24	Franek Korta	CPPg++9.3.0	Success	61,776+3.54 RP
Aug 29, 2023 21:22	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:21	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:21	Franek Korta	CPPg++9.3.0	Success	63,324
Aug 29, 2023 21:19	Franek Korta	CPPg++9.3.0	Success	63,281
Aug 29, 2023 21:19	Franek Korta	CPPg++9.3.0	Success	63,314
Aug 29, 2023 21:18	Franek Korta	CPPg++9.3.0	Success	63,157+0.01 RP
Aug 29, 2023 21:17	Franek Korta	CPPg++9.3.0	Error
Aug 29, 2023 21:13	Franek Korta	CPPg++9.3.0	Success	63,162+3.63 RP

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