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
May 7, 2024 12:23	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 12:22	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 01:10	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 01:02	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 01:00	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 01:00	Joad Nacer	CPPclang++10.0.0	Success	71,645
May 7, 2024 00:58	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 00:56	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 00:37	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 00:37	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 00:35	Joad Nacer	CPPclang++10.0.0	Success	68,684
May 7, 2024 00:34	Joad Nacer	CPPclang++10.0.0	Success	69,475
May 7, 2024 00:34	Joad Nacer	CPPclang++10.0.0	Success	68,941
May 7, 2024 00:33	Joad Nacer	CPPclang++10.0.0	Success	65,370+8.02 RP
May 7, 2024 00:31	Joad Nacer	CPPclang++10.0.0	Success	68,986+12.17 RP
May 7, 2024 00:26	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 00:20	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 00:18	Joad Nacer	CPPclang++10.0.0	Error
May 7, 2024 00:07	Joad Nacer	CPPclang++10.0.0	Success	75,308+1.99 RP
May 6, 2024 23:57	Joad Nacer	CPPclang++10.0.0	Error
May 6, 2024 23:54	Joad Nacer	CPPclang++10.0.0	Error
May 6, 2024 23:52	Joad Nacer	CPPclang++10.0.0	Success	78,739
May 6, 2024 23:52	Joad Nacer	CPPclang++10.0.0	Success	76,452+106.82 RP
May 6, 2024 23:50	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 23:48	Joad Nacer	CPPg++9.4.0	Success	419,037
May 6, 2024 23:22	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 23:20	Joad Nacer	CPPg++9.4.0	Success	417,034+0.01 RP
May 6, 2024 23:19	Joad Nacer	CPPg++9.4.0	Success	417,208+0.06 RP
May 6, 2024 23:18	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 23:09	Joad Nacer	CPPg++9.4.0	Success	418,609
May 6, 2024 23:06	Joad Nacer	CPPg++9.4.0	Success	418,201+0.04 RP
May 6, 2024 23:06	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 23:05	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 23:04	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 21:48	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 21:45	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 21:39	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 21:37	Joad Nacer	CPPg++9.4.0	Success	418,920+0.51 RP
May 6, 2024 21:16	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 19:46	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 19:43	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 19:41	Joad Nacer	CPPg++9.4.0	Success	428,058+0.68 RP
May 6, 2024 19:40	Joad Nacer	CPPclang++10.0.0	Error
May 6, 2024 19:34	Joad Nacer	CPPclang++10.0.0	Error
May 6, 2024 19:33	Joad Nacer	CPPg++9.4.0	Success	440,952+22.21 RP
May 6, 2024 19:31	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 19:30	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 19:10	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 19:09	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 18:55	Joad Nacer	CPPg++9.4.0	Error
May 6, 2024 18:54	Joad Nacer	CPPg++9.4.0	Error
Apr 28, 2024 13:53	Joad Nacer	CPPg++9.4.0	Error
Apr 28, 2024 13:49	Joad Nacer	CPPg++9.4.0	Error
Apr 28, 2024 13:49	Joad Nacer	CPPg++9.4.0	Error
Apr 28, 2024 13:47	Joad Nacer	CPPg++9.4.0	Error
Apr 28, 2024 13:47	Joad Nacer	CPPg++9.4.0	Error
Apr 28, 2024 13:13	Joad Nacer	CPPg++9.4.0	Error
Apr 28, 2024 13:03	Joad Nacer	CPPg++9.4.0	Success	21,522,214
Apr 28, 2024 13:01	Joad Nacer	CPPg++9.4.0	Success	22,234,586
Apr 28, 2024 13:00	Joad Nacer	CPPg++9.4.0	Success	21,556,672
Apr 28, 2024 12:59	Joad Nacer	CPPg++9.4.0	Error
Apr 28, 2024 12:59	Joad Nacer	CPPg++9.4.0	Error
Apr 28, 2024 12:57	Joad Nacer	CPPg++9.4.0	Error
Apr 17, 2024 23:16	Joad Nacer	CPPg++9.4.0	Error
Apr 17, 2024 23:13	Joad Nacer	CPPg++9.4.0	Error
Apr 17, 2024 23:11	Joad Nacer	CPPg++9.4.0	Success	21,758,543+0.46 RP
Mar 30, 2024 10:20	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Success	577,703+2.01 RP
Mar 30, 2024 10:12	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Success	653,570+0.03 RP
Mar 30, 2024 10:06	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Success	2,005,561
Mar 30, 2024 10:04	woodsy-sounding-wilful-sapwood	CPPclang++10.0.0	Success	2,367,218
Mar 30, 2024 10:03	woodsy-sounding-wilful-sapwood	CPPclang++10.0.0	Error
Mar 30, 2024 10:01	woodsy-sounding-wilful-sapwood	RUSTrust-1.77.1	Success	832,055
Mar 30, 2024 09:59	woodsy-sounding-wilful-sapwood	RUSTrust-1.77.1	Success	917,781
Mar 30, 2024 09:57	woodsy-sounding-wilful-sapwood	RUSTrust-1.77.1	Error
Mar 30, 2024 09:54	woodsy-sounding-wilful-sapwood	RUSTrust-1.77.1	Success	839,622
Mar 30, 2024 09:51	woodsy-sounding-wilful-sapwood	RUSTrust-1.77.1	Success	2,304,512
Mar 30, 2024 09:35	woodsy-sounding-wilful-sapwood	CPPclang++10.0.0	Error
Mar 30, 2024 09:35	woodsy-sounding-wilful-sapwood	CPPclang++10.0.0	Success	672,623
Mar 30, 2024 09:31	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Success	654,774+0.01 RP
Mar 30, 2024 09:30	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Error
Mar 30, 2024 09:28	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Success	655,267+14.80 RP
Mar 30, 2024 09:27	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Success	21,744,460+0.46 RP
Mar 30, 2024 09:25	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Error
Mar 30, 2024 09:21	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Error
Mar 30, 2024 09:12	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Error
Mar 30, 2024 09:10	woodsy-sounding-wilful-sapwood	CPPg++9.4.0	Error
Feb 23, 2024 07:14	Huy Duc Le	CPPclang++10.0.0	Success	67,519
Feb 23, 2024 07:13	Huy Duc Le	CPPclang++10.0.0	Success	67,662
Feb 23, 2024 07:12	Huy Duc Le	CPPclang++10.0.0	Success	67,570
Feb 22, 2024 09:03	Huy Duc Le	CPPclang++10.0.0	Success	221,992
Feb 22, 2024 09:02	Huy Duc Le	CPPclang++10.0.0	Success	259,499
Feb 22, 2024 09:01	Huy Duc Le	CPPclang++10.0.0	Success	456,879
Feb 22, 2024 08:59	Huy Duc Le	CPPclang++10.0.0	Error
Feb 22, 2024 08:24	Huy Duc Le	CPPclang++10.0.0	Error
Feb 22, 2024 08:22	Huy Duc Le	CPPclang++10.0.0	Error
Feb 22, 2024 08:19	Huy Duc Le	CPPclang++10.0.0	Error
Feb 22, 2024 08:14	Huy Duc Le	CPPclang++10.0.0	Success	67,619
Feb 22, 2024 08:08	Huy Duc Le	CPPclang++10.0.0	Success	67,543
Feb 22, 2024 08:03	Huy Duc Le	CPPclang++10.0.0	Success	67,522
Feb 22, 2024 08:03	Huy Duc Le	CPPclang++10.0.0	Success	75,273

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