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
Apr 21, 2025 05:18	Steve Bronder	CPPg++13.2.0	Success	70,949+0.64 RP
Apr 21, 2025 05:17	Steve Bronder	CPPclang++18.1.3	Success	73,670
Apr 21, 2025 05:15	Steve Bronder	CPPg++13.2.0	Error
Apr 21, 2025 05:13	Steve Bronder	CPPg++13.2.0	Success	71,514
Apr 21, 2025 05:07	Steve Bronder	CPPg++13.2.0	Success	72,835
Apr 21, 2025 05:05	Steve Bronder	CPPg++13.2.0	Success	71,719
Apr 21, 2025 05:04	Steve Bronder	CPPg++13.2.0	Success	75,289
Apr 21, 2025 05:02	Steve Bronder	CPPg++13.2.0	Success	74,124
Apr 21, 2025 05:00	Steve Bronder	CPPg++13.2.0	Error
Apr 21, 2025 04:58	Steve Bronder	CPPg++13.2.0	Error
Apr 21, 2025 04:56	Steve Bronder	CPPg++13.2.0	Success	72,689
Apr 21, 2025 04:51	Steve Bronder	CPPg++13.2.0	Error
Apr 21, 2025 04:38	Steve Bronder	CPPg++13.2.0	Success	71,273+0.04 RP
Apr 21, 2025 04:37	Steve Bronder	CPPg++13.2.0	Error
Apr 21, 2025 04:36	Steve Bronder	CPPg++13.2.0	Success	73,808
Apr 21, 2025 04:33	Steve Bronder	CPPg++13.2.0	Error
Apr 21, 2025 04:20	Steve Bronder	CPPg++13.2.0	Success	71,295+0.11 RP
Apr 21, 2025 03:26	Steve Bronder	CPPg++13.2.0	Success	71,351+6.18 RP
Apr 21, 2025 03:08	Steve Bronder	CPPclang++18.1.3	Success	74,641+3.23 RP
Apr 21, 2025 02:49	Steve Bronder	CPPclang++18.1.3	Success	81,359
Apr 21, 2025 02:24	Steve Bronder	CPPclang++18.1.3	Success	76,484+36.14 RP
Apr 21, 2025 02:13	Steve Bronder	CPPclang++18.1.3	Success	189,632
Apr 21, 2025 01:38	Steve Bronder	CPPclang++18.1.3	Success	105,705+94.60 RP
Apr 20, 2025 16:13	Drew Garcia	CPPclang++18.1.3	Success	79,168
Apr 20, 2025 16:10	Drew Garcia	CPPclang++18.1.3	Success	75,335
Apr 20, 2025 15:52	Drew Garcia	CPPclang++18.1.3	Error
Apr 20, 2025 15:42	Drew Garcia	CPPclang++18.1.3	Success	74,711+0.97 RP
Apr 20, 2025 15:34	Drew Garcia	CPPclang++18.1.3	Success	75,257+1.30 RP
Apr 20, 2025 15:31	Drew Garcia	CPPclang++18.1.3	Error
Apr 20, 2025 15:26	Drew Garcia	CPPclang++18.1.3	Error
Apr 20, 2025 15:20	Drew Garcia	CPPclang++18.1.3	Success	76,003+0.13 RP
Apr 20, 2025 15:12	Drew Garcia	CPPclang++18.1.3	Success	76,076+1.05 RP
Apr 20, 2025 15:08	Drew Garcia	CPPclang++18.1.3	Success	76,724
Apr 20, 2025 15:01	Drew Garcia	CPPclang++18.1.3	Success	76,689+0.08 RP
Apr 20, 2025 15:00	Drew Garcia	CPPclang++18.1.3	Success	76,941
Apr 20, 2025 14:59	Drew Garcia	CPPclang++18.1.3	Success	77,005
Apr 20, 2025 09:17	Aniruddha Deb	CPPg++13.2.0	Success	67,878
Apr 20, 2025 04:25	Drew Garcia	CPPclang++18.1.3	Error
Apr 20, 2025 04:21	Drew Garcia	CPPclang++18.1.3	Error
Apr 19, 2025 01:34	ethereal	GOgo1.24.2	Success	119,841+83.44 RP
Apr 19, 2025 01:22	Keefe	CPPg++13.2.0	Success	690,703
Apr 19, 2025 01:21	Keefe	CPPg++13.2.0	Success	78,022
Apr 19, 2025 00:12	emily grace	CPPg++13.2.0	Success	69,922
Apr 19, 2025 00:09	emily grace	CPPg++13.2.0	Success	69,873
Apr 19, 2025 00:04	emily grace	CPPg++13.2.0	Success	70,038
Apr 19, 2025 00:02	emily grace	CPPg++13.2.0	Success	69,897
Apr 19, 2025 00:01	emily grace	CPPg++13.2.0	Success	69,851+0.35 RP
Apr 19, 2025 00:00	emily grace	CPPg++13.2.0	Success	71,554
Apr 18, 2025 23:57	emily grace	CPPg++13.2.0	Success	70,765
Apr 18, 2025 23:57	emily grace	CPPg++13.2.0	Success	70,216
Apr 18, 2025 23:56	emily grace	CPPg++13.2.0	Success	70,216
Apr 18, 2025 23:53	emily grace	CPPg++13.2.0	Success	70,359
Apr 18, 2025 23:51	emily grace	CPPg++13.2.0	Success	70,116
Apr 18, 2025 23:46	emily grace	CPPg++13.2.0	Success	72,741
Apr 18, 2025 23:46	emily grace	CPPg++13.2.0	Error
Apr 18, 2025 23:44	emily grace	CPPg++13.2.0	Success	73,359
Apr 18, 2025 23:43	emily grace	CPPg++13.2.0	Success	85,719
Apr 18, 2025 23:43	emily grace	CPPg++13.2.0	Success	73,062
Apr 18, 2025 23:41	emily grace	CPPg++13.2.0	Success	72,486
Apr 18, 2025 23:38	emily grace	CPPg++13.2.0	Success	70,195
Apr 18, 2025 23:35	emily grace	CPPg++13.2.0	Success	70,384
Apr 18, 2025 22:47	emily grace	CPPg++13.2.0	Success	70,024+0.07 RP
Apr 18, 2025 22:46	emily grace	CPPg++13.2.0	Error
Apr 18, 2025 22:45	emily grace	CPPg++13.2.0	Success	79,192
Apr 18, 2025 22:45	emily grace	CPPg++13.2.0	Success	79,024
Apr 18, 2025 21:02	Drew Garcia	CPPclang++18.1.3	Success	76,743
Apr 18, 2025 21:00	Drew Garcia	CPPclang++18.1.3	Success	76,970
Apr 18, 2025 20:56	Drew Garcia	CPPclang++18.1.3	Error
Apr 18, 2025 20:53	Drew Garcia	CPPclang++18.1.3	Error
Apr 18, 2025 20:49	Drew Garcia	CPPclang++18.1.3	Success	76,805
Apr 18, 2025 20:46	Drew Garcia	CPPclang++18.1.3	Success	76,738+1.82 RP
Apr 18, 2025 20:38	Drew Garcia	CPPclang++18.1.3	Success	82,654
Apr 18, 2025 20:34	Drew Garcia	CPPclang++18.1.3	Error
Apr 18, 2025 20:02	Keefe	CPPg++13.2.0	Success	77,949
Apr 18, 2025 20:02	Drew Garcia	CPPclang++18.1.3	Success	79,157
Apr 18, 2025 19:58	Keefe	CPPg++13.2.0	Success	77,973
Apr 18, 2025 19:55	Keefe	CPPg++13.2.0	Success	75,578+1.02 RP
Apr 18, 2025 19:54	Keefe	CPPg++13.2.0	Success	78,427
Apr 18, 2025 19:51	Keefe	CPPg++13.2.0	Success	77,978
Apr 18, 2025 19:48	Keefe	CPPg++13.2.0	Success	76,168+6.31 RP
Apr 18, 2025 19:46	Keefe	CPPg++13.2.0	Success	80,011+2.01 RP
Apr 18, 2025 19:43	emily grace	CPPg++13.2.0	Success	72,595
Apr 18, 2025 19:39	emily grace	CPPg++13.2.0	Success	70,059+0.42 RP
Apr 18, 2025 19:37	emily grace	CPPg++13.2.0	Success	71,176
Apr 18, 2025 19:36	emily grace	CPPclang++18.1.3	Success	77,319
Apr 18, 2025 19:34	emily grace	CPPclang++18.1.3	Success	70,557
Apr 18, 2025 19:28	emily grace	CPPg++13.2.0	Success	70,265+3.14 RP
Apr 18, 2025 19:27	emily grace	CPPg++13.2.0	Success	72,527
Apr 18, 2025 19:26	emily grace	CPPg++13.2.0	Success	72,657
Apr 18, 2025 19:24	emily grace	CPPg++13.2.0	Error
Apr 18, 2025 19:22	emily grace	CPPg++13.2.0	Error
Apr 18, 2025 19:15	emily grace	CPPg++13.2.0	Error
Apr 18, 2025 19:10	Keefe	CPPg++13.2.0	Success	81,316+33.03 RP
Apr 18, 2025 19:09	emily grace	CPPg++13.2.0	Success	72,032
Apr 18, 2025 19:06	emily grace	CPPg++13.2.0	Success	72,522
Apr 18, 2025 19:06	Keefe	CPPg++13.2.0	Success	111,173+10.65 RP
Apr 18, 2025 19:04	emily grace	CPPg++13.2.0	Success	71,922
Apr 18, 2025 19:03	emily grace	CPPg++13.2.0	Success	73,338
Apr 18, 2025 19:00	emily grace	CPPg++13.2.0	Success	72,927
Apr 18, 2025 18:59	emily grace	CPPg++13.2.0	Success	72,541

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