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
Aug 5, 2022 21:13	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 21:07	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 20:19	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 20:17	Franek Korta	CPPg++9.3.0	Success	81,838
Aug 5, 2022 20:16	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 20:15	Franek Korta	CPPg++9.3.0	Error
Aug 5, 2022 20:13	Franek Korta	CPPg++9.3.0	Success	82,970
Aug 5, 2022 20:13	Franek Korta	CPPg++9.3.0	Error
Aug 4, 2022 20:17	Franek Korta	CPPg++9.3.0	Success	79,741
Aug 4, 2022 20:16	Franek Korta	CPPg++9.3.0	Success	78,854
Aug 4, 2022 20:13	Franek Korta	CPPg++9.3.0	Success	77,368
Aug 4, 2022 20:12	Franek Korta	CPPg++9.3.0	Success	77,122+29.99 RP
Aug 4, 2022 20:07	Franek Korta	CPPg++9.3.0	Success	101,051
Aug 4, 2022 20:04	Franek Korta	CPPg++9.3.0	Success	100,638
Aug 4, 2022 19:57	Franek Korta	CPPg++9.3.0	Success	110,343
Aug 4, 2022 19:55	Franek Korta	CPPg++9.3.0	Success	109,676
Aug 3, 2022 19:58	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 19:57	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 19:56	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 19:01	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 18:59	Franek Korta	CPPclang++10.0.0	Success	232,656
Aug 3, 2022 18:57	Franek Korta	CPPg++9.3.0	Success	101,035
Aug 3, 2022 18:55	Franek Korta	CPPg++9.3.0	Success	101,464
Aug 3, 2022 18:53	Franek Korta	CPPg++9.3.0	Success	100,322+8.24 RP
Aug 3, 2022 18:34	Franek Korta	CPPg++9.3.0	Success	109,457
Aug 3, 2022 18:32	Franek Korta	CPPg++9.3.0	Success	109,362+14.44 RP
Aug 3, 2022 18:28	Franek Korta	CPPg++9.3.0	Success	139,813
Aug 3, 2022 18:11	Franek Korta	CPPg++9.3.0	Success	140,620
Aug 3, 2022 18:04	Franek Korta	CPPg++9.3.0	Success	139,933
Aug 3, 2022 18:01	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 18:01	Franek Korta	CPPg++9.3.0	Error
Aug 3, 2022 18:00	Franek Korta	CPPg++9.3.0	Error
Aug 2, 2022 20:22	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,754
Aug 2, 2022 20:21	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,759
Aug 2, 2022 20:19	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,749
Aug 2, 2022 19:09	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,676
Aug 2, 2022 19:08	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,781
Aug 2, 2022 19:08	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,562
Aug 2, 2022 19:07	Yuriy Lyfenko	CPPclang++10.0.0	Error
Aug 2, 2022 19:06	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,746
Aug 2, 2022 19:06	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,708
Aug 2, 2022 18:38	Franek Korta	CPPg++9.3.0	Success	176,308
Aug 2, 2022 18:35	Franek Korta	CPPg++9.3.0	Success	177,201
Aug 2, 2022 17:59	Franek Korta	CPPg++9.3.0	Success	137,005
Aug 2, 2022 17:41	Franek Korta	CPPg++9.3.0	Error
Aug 2, 2022 17:38	Franek Korta	CPPg++9.3.0	Error
Aug 2, 2022 17:37	Franek Korta	CPPg++9.3.0	Error
Aug 2, 2022 17:33	Franek Korta	CPPg++9.3.0	Error
Aug 2, 2022 17:29	Franek Korta	CPPg++9.3.0	Error
Aug 2, 2022 17:27	Franek Korta	CPPg++9.3.0	Error
Aug 2, 2022 17:25	Franek Korta	CPPg++9.3.0	Error
Aug 2, 2022 17:24	Franek Korta	CPPg++9.3.0	Error
Aug 2, 2022 17:21	Franek Korta	CPPg++9.3.0	Success	130,513
Aug 2, 2022 13:01	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,708
Aug 2, 2022 13:00	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,746
Aug 2, 2022 12:59	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,959
Aug 2, 2022 12:55	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,746
Aug 2, 2022 12:52	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,851
Aug 2, 2022 12:51	Yuriy Lyfenko	CPPclang++10.0.0	Error
Aug 2, 2022 12:50	Yuriy Lyfenko	CPPclang++10.0.0	Success	63,419
Aug 2, 2022 12:49	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,546
Aug 2, 2022 12:47	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,576
Aug 2, 2022 12:45	Yuriy Lyfenko	CPPclang++10.0.0	Error
Aug 2, 2022 12:44	Yuriy Lyfenko	CPPclang++10.0.0	Error
Aug 2, 2022 12:36	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,522
Aug 2, 2022 12:35	Yuriy Lyfenko	CPPclang++10.0.0	Success	61,527
Aug 2, 2022 12:34	Yuriy Lyfenko	CPPg++9.3.0	Success	61,735
Aug 2, 2022 09:01	Robert Burke	CPPg++9.3.0	Success	63,324
Aug 2, 2022 09:00	Robert Burke	CPPg++9.3.0	Success	63,230
Aug 2, 2022 09:00	Robert Burke	CPPg++9.3.0	Error
Aug 2, 2022 08:59	Robert Burke	CPPg++9.3.0	Success	65,744
Aug 2, 2022 08:58	Robert Burke	CPPg++9.3.0	Success	63,351
Aug 2, 2022 08:57	Robert Burke	CPPg++9.3.0	Success	63,359
Aug 2, 2022 08:55	Robert Burke	CPPg++9.3.0	Success	62,838
Aug 2, 2022 08:50	Robert Burke	CPPg++9.3.0	Success	62,997
Aug 2, 2022 08:48	Robert Burke	CPPg++9.3.0	Success	62,659
Aug 2, 2022 08:47	Robert Burke	CPPg++9.3.0	Success	62,697
Aug 2, 2022 08:31	Robert Burke	CPPg++9.3.0	Success	62,530+0.19 RP
Aug 2, 2022 08:30	Robert Burke	CPPg++9.3.0	Success	65,824
Aug 2, 2022 08:29	Robert Burke	CPPg++9.3.0	Success	65,824
Aug 2, 2022 08:28	Robert Burke	CPPg++9.3.0	Success	62,603+0.46 RP
Aug 2, 2022 08:24	Robert Burke	CPPg++9.3.0	Success	62,884
Aug 2, 2022 08:23	Robert Burke	CPPg++9.3.0	Success	62,830
Aug 2, 2022 08:22	Robert Burke	CPPg++9.3.0	Success	62,784+2.11 RP
Aug 2, 2022 08:20	Robert Burke	CPPg++9.3.0	Success	63,678
Aug 2, 2022 08:19	Robert Burke	CPPg++9.3.0	Success	63,649
Aug 2, 2022 08:18	Robert Burke	CPPg++9.3.0	Success	63,627+0.01 RP
Aug 2, 2022 08:18	Robert Burke	CPPg++9.3.0	Success	63,630+8.88 RP
Aug 2, 2022 08:16	Robert Burke	CPPg++9.3.0	Success	67,441+1.81 RP
Aug 2, 2022 08:15	Robert Burke	CPPg++9.3.0	Success	68,276+13.63 RP
Aug 2, 2022 08:14	Robert Burke	CPPg++9.3.0	Error
Aug 2, 2022 06:21	Robert Burke	CPPg++9.3.0	Success	75,616
Aug 2, 2022 06:20	Robert Burke	CPPg++9.3.0	Success	75,281+5.04 RP
Aug 2, 2022 05:07	Robert Burke	CPPg++9.3.0	Error
Aug 2, 2022 05:04	Robert Burke	CPPg++9.3.0	Success	78,251+127.33 RP
Aug 2, 2022 05:03	Robert Burke	CPPg++9.3.0	Error
Aug 2, 2022 05:02	Robert Burke	CPPg++9.3.0	Success	25,859,130
Aug 1, 2022 22:19	Franek Korta	CPPg++9.3.0	Error
Aug 1, 2022 22:19	Franek Korta	CPPg++9.3.0	Success	129,876+0.10 RP
Aug 1, 2022 22:17	Franek Korta	CPPg++9.3.0	Success	130,052+0.65 RP

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