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
Jul 16, 2023 15:05	Paul Masurel	RUSTrust-1.71.0	Error
Jul 16, 2023 15:04	Paul Masurel	RUSTrust-1.71.0	Success	69,219
Jul 16, 2023 15:04	Paul Masurel	RUSTrust-1.71.0	Success	73,273
Jul 16, 2023 15:03	Paul Masurel	RUSTrust-1.71.0	Success	70,849
Jul 16, 2023 14:58	Paul Masurel	RUSTrust-1.71.0	Success	68,957+7.22 RP
Jul 16, 2023 14:57	Paul Masurel	RUSTrust-1.71.0	Success	73,938
Jul 16, 2023 14:56	Paul Masurel	RUSTrust-1.71.0	Success	73,143
Jul 16, 2023 14:56	Paul Masurel	RUSTrust-1.71.0	Error
Jul 16, 2023 14:55	Paul Masurel	RUSTrust-1.71.0	Error
Jul 16, 2023 14:54	Paul Masurel	RUSTrust-1.71.0	Success	71,173
Jul 16, 2023 14:53	Paul Masurel	RUSTrust-1.71.0	Success	70,716+3.61 RP
Jul 16, 2023 14:51	Paul Masurel	RUSTrust-1.71.0	Error
Jul 16, 2023 14:35	Paul Masurel	RUSTrust-1.71.0	Success	71,808
Jul 16, 2023 14:34	Paul Masurel	RUSTrust-1.71.0	Success	71,746+79.86 RP
Jul 16, 2023 14:33	Paul Masurel	RUSTrust-1.71.0	Success	168,010+16.96 RP
Jul 16, 2023 14:32	Paul Masurel	RUSTrust-1.71.0	Success	234,963+20.09 RP
Jul 16, 2023 14:30	Paul Masurel	RUSTrust-1.71.0	Success	444,993+15.66 RP
Jul 16, 2023 14:30	Paul Masurel	RUSTrust-1.71.0	Success	1,467,916+6.81 RP
Jul 13, 2023 21:18	gchebanov	CPPg++9.3.0	Success	77,017
Jul 8, 2023 23:10	Andrew Epstein	CPPg++9.3.0	Success	21,335,690+0.47 RP
Jun 16, 2023 19:57	Ulyanov Aleksey	CPPclang++10.0.0	Success	645,174+7.62 RP
Jun 16, 2023 19:55	Ulyanov Aleksey	CPPg++9.3.0	Success	1,269,826
Jun 16, 2023 19:54	Ulyanov Aleksey	CPPg++9.3.0	Success	1,270,230+7.40 RP
Jun 16, 2023 19:50	Ulyanov Aleksey	CPPg++9.3.0	Success	21,364,913+0.47 RP
May 14, 2023 14:17	Yurkov Aleksey	CPPg++9.3.0	Error
May 14, 2023 14:16	Yurkov Aleksey	CPPg++9.3.0	Success	180,159
May 14, 2023 12:25	Yurkov Aleksey	CPPg++9.3.0	Success	98,876
May 14, 2023 12:22	Yurkov Aleksey	CPPg++9.3.0	Success	106,741
May 12, 2023 23:38	Yurkov Aleksey	CPPg++9.3.0	Success	121,495
May 12, 2023 23:25	Yurkov Aleksey	CPPg++9.3.0	Success	119,184
May 12, 2023 23:14	Yurkov Aleksey	CPPg++9.3.0	Error
May 12, 2023 23:13	Yurkov Aleksey	CPPg++9.3.0	Success	179,852
May 12, 2023 23:13	Yurkov Aleksey	CPPg++9.3.0	Success	178,435
May 12, 2023 23:12	Yurkov Aleksey	CPPg++9.3.0	Success	177,962
Apr 9, 2023 21:29	Franek Korta	CPPg++9.3.0	Success	226,262
Apr 9, 2023 21:26	Franek Korta	CPPg++9.3.0	Success	89,489
Apr 9, 2023 21:26	Franek Korta	CPPg++9.3.0	Success	90,927
Apr 9, 2023 21:25	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 21:24	Franek Korta	CPPg++9.3.0	Success	98,038
Apr 9, 2023 21:23	Franek Korta	CPPg++9.3.0	Success	89,081
Apr 9, 2023 21:22	Franek Korta	CPPg++9.3.0	Success	99,481
Apr 9, 2023 21:21	Franek Korta	CPPg++9.3.0	Success	88,103
Apr 9, 2023 20:52	Franek Korta	CPPg++9.3.0	Success	233,683
Apr 9, 2023 20:51	Franek Korta	CPPg++9.3.0	Success	241,216
Apr 9, 2023 20:48	Franek Korta	CPPg++9.3.0	Success	250,222
Apr 9, 2023 20:24	Franek Korta	CPPg++9.3.0	Success	89,041
Apr 9, 2023 20:21	Franek Korta	CPPg++9.3.0	Success	105,541
Apr 9, 2023 20:21	Franek Korta	CPPg++9.3.0	Success	80,149
Apr 9, 2023 20:19	Franek Korta	CPPg++9.3.0	Success	83,532
Apr 9, 2023 20:18	Franek Korta	CPPg++9.3.0	Success	108,595
Apr 9, 2023 20:16	Franek Korta	CPPg++9.3.0	Success	84,376
Apr 9, 2023 20:13	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 20:12	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 20:12	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 20:10	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 20:09	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 20:08	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 19:56	Franek Korta	CPPg++9.3.0	Success	85,046
Apr 9, 2023 19:54	Franek Korta	CPPg++9.3.0	Success	80,157
Apr 9, 2023 19:52	Franek Korta	CPPg++9.3.0	Success	102,508
Apr 9, 2023 19:51	Franek Korta	CPPg++9.3.0	Success	101,519
Apr 9, 2023 19:50	Franek Korta	CPPg++9.3.0	Success	100,781
Apr 9, 2023 19:49	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 19:48	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 19:46	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 19:46	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 19:44	Franek Korta	CPPg++9.3.0	Success	79,305
Apr 9, 2023 19:42	Franek Korta	CPPg++9.3.0	Success	78,889
Apr 9, 2023 19:41	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 17:13	Franek Korta	CPPg++9.3.0	Success	75,314
Apr 9, 2023 17:13	Franek Korta	CPPg++9.3.0	Success	75,611
Apr 9, 2023 17:12	Franek Korta	CPPg++9.3.0	Success	84,060
Apr 9, 2023 17:12	Franek Korta	CPPg++9.3.0	Success	77,465
Apr 9, 2023 17:06	Franek Korta	CPPg++9.3.0	Success	78,314
Apr 9, 2023 17:06	Franek Korta	CPPg++9.3.0	Success	81,905
Apr 9, 2023 17:05	Franek Korta	CPPg++9.3.0	Success	88,389
Apr 9, 2023 16:59	Franek Korta	CPPg++9.3.0	Success	75,341
Apr 9, 2023 16:55	Franek Korta	CPPg++9.3.0	Success	113,451
Apr 9, 2023 16:53	Franek Korta	CPPg++9.3.0	Success	74,419
Apr 9, 2023 16:48	Franek Korta	CPPg++9.3.0	Success	72,773
Apr 9, 2023 16:48	Franek Korta	CPPg++9.3.0	Success	72,811
Apr 9, 2023 16:47	Franek Korta	CPPg++9.3.0	Success	72,573
Apr 9, 2023 16:46	Franek Korta	CPPg++9.3.0	Success	72,616
Apr 9, 2023 16:45	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 16:40	Franek Korta	CPPg++9.3.0	Success	77,254
Apr 9, 2023 16:38	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 16:36	Franek Korta	CPPg++9.3.0	Success	121,149
Apr 9, 2023 16:25	Franek Korta	CPPg++9.3.0	Success	77,151
Apr 9, 2023 16:24	Franek Korta	CPPg++9.3.0	Success	77,981
Apr 9, 2023 16:24	Franek Korta	CPPg++9.3.0	Success	77,962
Apr 9, 2023 16:23	Franek Korta	CPPg++9.3.0	Success	78,508
Apr 9, 2023 16:22	Franek Korta	CPPg++9.3.0	Error
Apr 9, 2023 16:14	Franek Korta	CPPg++9.3.0	Success	77,524
Apr 9, 2023 16:12	Franek Korta	CPPg++9.3.0	Success	100,862
Apr 9, 2023 16:11	Franek Korta	CPPg++9.3.0	Success	98,695
Apr 9, 2023 16:11	Franek Korta	CPPg++9.3.0	Success	81,346
Apr 9, 2023 16:10	Franek Korta	CPPg++9.3.0	Success	80,635
Apr 9, 2023 16:04	Franek Korta	CPPg++9.3.0	Success	127,732
Apr 9, 2023 16:03	Franek Korta	CPPg++9.3.0	Success	118,816
Apr 4, 2023 20:17	Yurkov Aleksey	CPPg++9.3.0	Success	181,207

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