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 25, 2023 21:44	mmalczak	CPPg++9.3.0	Success	74,752
Sep 25, 2023 21:43	mmalczak	CPPg++9.3.0	Success	74,353
Sep 25, 2023 21:43	mmalczak	CPPg++9.3.0	Success	74,830
Sep 24, 2023 21:52	mmalczak	CPPg++9.3.0	Success	75,400
Sep 24, 2023 21:49	mmalczak	CPPg++9.3.0	Success	74,858
Sep 24, 2023 21:48	mmalczak	CPPg++9.3.0	Error
Sep 24, 2023 21:40	mmalczak	CPPg++9.3.0	Success	76,379
Sep 24, 2023 21:35	mmalczak	CPPg++9.3.0	Success	75,451
Sep 24, 2023 21:33	mmalczak	CPPg++9.3.0	Success	74,348
Sep 24, 2023 21:32	mmalczak	CPPg++9.3.0	Success	75,317
Sep 24, 2023 21:26	mmalczak	CPPg++9.3.0	Success	75,910
Sep 24, 2023 21:25	mmalczak	CPPg++9.3.0	Success	76,206
Sep 24, 2023 21:23	mmalczak	CPPg++9.3.0	Success	72,965
Sep 24, 2023 21:22	mmalczak	CPPg++9.3.0	Success	76,592
Sep 24, 2023 21:21	mmalczak	CPPg++9.3.0	Success	72,919
Sep 24, 2023 21:19	mmalczak	CPPg++9.3.0	Error
Sep 24, 2023 21:16	mmalczak	CPPg++9.3.0	Success	72,986
Sep 24, 2023 21:14	mmalczak	CPPg++9.3.0	Success	73,276
Sep 24, 2023 21:13	mmalczak	CPPg++9.3.0	Success	72,957
Sep 24, 2023 21:12	mmalczak	CPPg++9.3.0	Success	75,251
Sep 24, 2023 21:10	mmalczak	CPPg++9.3.0	Success	72,881+0.12 RP
Sep 24, 2023 21:07	mmalczak	CPPg++9.3.0	Error
Sep 24, 2023 21:06	mmalczak	CPPg++9.3.0	Success	74,676
Sep 22, 2023 21:59	mmalczak	CPPg++9.3.0	Success	74,489
Sep 22, 2023 21:59	mmalczak	CPPg++9.3.0	Success	74,638
Sep 22, 2023 21:58	mmalczak	CPPg++9.3.0	Success	74,489
Sep 22, 2023 21:57	mmalczak	CPPg++9.3.0	Success	74,568
Sep 22, 2023 21:46	mmalczak	CPPg++9.3.0	Success	73,114
Sep 22, 2023 21:45	mmalczak	CPPg++9.3.0	Success	73,214
Sep 22, 2023 21:42	mmalczak	CPPg++9.3.0	Error
Sep 22, 2023 21:37	mmalczak	CPPg++9.3.0	Success	73,927
Sep 22, 2023 21:35	mmalczak	CPPg++9.3.0	Success	73,284
Sep 22, 2023 21:31	mmalczak	CPPg++9.3.0	Success	73,365
Sep 22, 2023 18:59	mmalczak	CPPg++9.3.0	Error
Sep 22, 2023 18:31	mmalczak	CPPg++9.3.0	Success	84,205
Sep 22, 2023 17:31	mmalczak	CPPg++9.3.0	Success	72,946+17.66 RP
Sep 22, 2023 17:30	mmalczak	CPPg++9.3.0	Success	199,637
Sep 22, 2023 15:03	Kirat	CPPg++9.3.0	Success	1,933,862+4.70 RP
Sep 22, 2023 14:59	Kirat	CPPg++9.3.0	Success	21,263,506+0.47 RP
Sep 22, 2023 08:30	mmalczak	CPPg++9.3.0	Success	671,359
Sep 21, 2023 19:09	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 19:06	mmalczak	CPPg++9.3.0	Success	84,465
Sep 21, 2023 19:06	mmalczak	CPPg++9.3.0	Success	689,203
Sep 21, 2023 19:05	mmalczak	CPPg++9.3.0	Success	84,178
Sep 21, 2023 19:02	mmalczak	CPPg++9.3.0	Success	663,008
Sep 21, 2023 19:01	mmalczak	CPPg++9.3.0	Success	231,733
Sep 21, 2023 18:59	mmalczak	CPPg++9.3.0	Success	84,370
Sep 21, 2023 18:58	mmalczak	CPPg++9.3.0	Success	86,369
Sep 21, 2023 18:55	mmalczak	CPPg++9.3.0	Success	84,154
Sep 21, 2023 18:52	mmalczak	CPPg++9.3.0	Success	84,084
Sep 21, 2023 18:51	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 18:48	mmalczak	CPPg++9.3.0	Success	84,300
Sep 21, 2023 18:35	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 18:34	mmalczak	CPPg++9.3.0	Success	84,000
Sep 21, 2023 18:32	mmalczak	CPPg++9.3.0	Success	364,296
Sep 21, 2023 18:31	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 18:29	mmalczak	CPPg++9.3.0	Success	85,780
Sep 21, 2023 18:27	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 18:27	mmalczak	CPPg++9.3.0	Success	86,370
Sep 21, 2023 18:23	mmalczak	CPPg++9.3.0	Success	199,809
Sep 21, 2023 18:20	mmalczak	CPPg++9.3.0	Success	199,989
Sep 21, 2023 18:19	mmalczak	CPPg++9.3.0	Success	203,779
Sep 21, 2023 18:18	mmalczak	CPPg++9.3.0	Success	211,128
Sep 21, 2023 16:27	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 16:25	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 16:21	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 15:58	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 15:55	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 15:49	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 15:44	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 15:42	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 06:26	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 06:25	mmalczak	CPPg++9.3.0	Error
Sep 21, 2023 06:21	mmalczak	CPPg++9.3.0	Success	4,873,652
Sep 20, 2023 20:09	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 20:07	mmalczak	CPPg++9.3.0	Success	108,414
Sep 20, 2023 20:06	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 20:06	mmalczak	CPPg++9.3.0	Success	107,870
Sep 20, 2023 20:05	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 20:04	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 20:02	mmalczak	CPPg++9.3.0	Success	101,738
Sep 20, 2023 20:00	mmalczak	CPPg++9.3.0	Success	101,424
Sep 20, 2023 19:59	mmalczak	CPPg++9.3.0	Success	101,684
Sep 20, 2023 19:57	mmalczak	CPPg++9.3.0	Success	101,808
Sep 20, 2023 19:55	mmalczak	CPPg++9.3.0	Success	84,257
Sep 20, 2023 19:53	mmalczak	CPPg++9.3.0	Success	84,524
Sep 20, 2023 19:52	mmalczak	CPPg++9.3.0	Success	84,727
Sep 20, 2023 19:49	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 19:43	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 19:40	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 19:40	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 19:39	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 19:32	mmalczak	CPPg++9.3.0	Success	105,119
Sep 20, 2023 19:31	mmalczak	CPPg++9.3.0	Success	104,989
Sep 20, 2023 19:29	mmalczak	CPPg++9.3.0	Success	109,095
Sep 20, 2023 19:28	mmalczak	CPPg++9.3.0	Error
Sep 20, 2023 19:24	mmalczak	CPPg++9.3.0	Success	84,259
Sep 20, 2023 19:22	mmalczak	CPPg++9.3.0	Success	83,870
Sep 20, 2023 16:26	mmalczak	CPPg++9.3.0	Success	84,076
Sep 20, 2023 16:25	mmalczak	CPPg++9.3.0	Success	84,222

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