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
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
Apr 18, 2025 18:58	emily grace	CPPg++13.2.0	Error
Apr 18, 2025 18:53	emily grace	CPPg++13.2.0	Error
Apr 18, 2025 18:52	emily grace	CPPg++13.2.0	Error
Apr 18, 2025 18:49	emily grace	CPPg++13.2.0	Success	71,857
Apr 18, 2025 18:48	emily grace	CPPg++13.2.0	Success	72,527
Apr 18, 2025 16:52	emily grace	CPPg++13.2.0	Success	71,849+1.51 RP
Apr 18, 2025 16:48	emily grace	CPPg++13.2.0	Error
Apr 18, 2025 16:39	emily grace	CPPg++13.2.0	Success	72,635+0.98 RP
Apr 18, 2025 16:36	emily grace	CPPclang++18.1.3	Success	73,157+40.71 RP
Apr 18, 2025 16:32	emily grace	CPPclang++18.1.3	Error
Apr 18, 2025 16:21	emily grace	CPPclang++18.1.3	Success	943,843
Apr 18, 2025 08:24	Emanuele Bolognesi	RUSTrust-1.86.0	Success	767,897
Apr 18, 2025 08:23	Emanuele Bolognesi	RUSTrust-1.86.0	Success	812,714
Apr 18, 2025 07:44	Emanuele Bolognesi	RUSTrust-1.86.0	Success	631,708+13.83 RP
Apr 18, 2025 07:27	Emanuele Bolognesi	RUSTrust-1.86.0	Success	4,989,503
Apr 18, 2025 03:52	Chandrasekaran Akash	CPPg++13.2.0	Success	60,762
Apr 18, 2025 03:51	Chandrasekaran Akash	CPPg++13.2.0	Success	60,638+0.05 RP
Apr 18, 2025 03:48	Chandrasekaran Akash	CPPg++13.2.0	Success	60,814
Apr 18, 2025 03:42	Chandrasekaran Akash	CPPg++13.2.0	Success	60,876
Apr 18, 2025 03:42	Chandrasekaran Akash	CPPg++13.2.0	Error
Apr 18, 2025 03:41	Chandrasekaran Akash	CPPclang++18.1.3	Error
Apr 18, 2025 03:39	Chandrasekaran Akash	CPPclang++18.1.3	Error
Apr 18, 2025 03:39	Chandrasekaran Akash	CPPg++13.2.0	Success	61,024
Apr 18, 2025 03:37	Chandrasekaran Akash	CPPg++13.2.0	Success	60,884
Apr 18, 2025 03:37	Chandrasekaran Akash	CPPg++13.2.0	Success	60,978
Apr 18, 2025 03:26	Chandrasekaran Akash	CPPg++13.2.0	Success	60,657
Apr 18, 2025 03:23	Chandrasekaran Akash	CPPg++13.2.0	Success	60,689
Apr 18, 2025 03:23	Chandrasekaran Akash	CPPg++13.2.0	Success	60,838
Apr 18, 2025 03:21	Chandrasekaran Akash	CPPclang++18.1.3	Success	61,146
Apr 18, 2025 03:17	Chandrasekaran Akash	CPPg++13.2.0	Success	60,735
Apr 18, 2025 03:16	Chandrasekaran Akash	CPPg++13.2.0	Success	60,816
Apr 18, 2025 03:16	Chandrasekaran Akash	CPPg++13.2.0	Success	60,754
Apr 18, 2025 03:15	Chandrasekaran Akash	CPPg++13.2.0	Success	62,019
Apr 18, 2025 03:10	Chandrasekaran Akash	CPPg++13.2.0	Success	61,197
Apr 18, 2025 03:02	Chandrasekaran Akash	CPPg++13.2.0	Success	61,811
Apr 18, 2025 03:00	Chandrasekaran Akash	CPPg++13.2.0	Success	61,795
Apr 18, 2025 02:57	Chandrasekaran Akash	CPPg++13.2.0	Success	60,711
Apr 18, 2025 02:56	Chandrasekaran Akash	CPPg++13.2.0	Success	61,268
Apr 18, 2025 02:56	Chandrasekaran Akash	CPPg++13.2.0	Success	61,135
Apr 18, 2025 02:55	Chandrasekaran Akash	CPPg++13.2.0	Success	61,208
Apr 18, 2025 02:53	Chandrasekaran Akash	CPPg++13.2.0	Error
Apr 18, 2025 02:52	Chandrasekaran Akash	CPPg++13.2.0	Error
Apr 18, 2025 02:49	Chandrasekaran Akash	CPPg++13.2.0	Success	61,249
Apr 18, 2025 02:48	Chandrasekaran Akash	CPPg++13.2.0	Success	61,770
Apr 18, 2025 02:46	Chandrasekaran Akash	CPPg++13.2.0	Success	61,230
Apr 18, 2025 02:42	Chandrasekaran Akash	CPPg++13.2.0	Success	61,800
Apr 18, 2025 02:36	Chandrasekaran Akash	CPPg++13.2.0	Error
Apr 18, 2025 02:27	Chandrasekaran Akash	CPPg++13.2.0	Success	60,657+0.18 RP
Apr 18, 2025 02:25	Chandrasekaran Akash	CPPg++13.2.0	Success	60,722+0.48 RP
Apr 18, 2025 02:12	Chandrasekaran Akash	CPPg++13.2.0	Success	61,032
Apr 18, 2025 02:11	Chandrasekaran Akash	CPPg++13.2.0	Success	61,078
Apr 18, 2025 02:11	Chandrasekaran Akash	CPPg++13.2.0	Success	62,062
Apr 18, 2025 02:09	Chandrasekaran Akash	CPPg++13.2.0	Success	60,900+0.15 RP
Apr 18, 2025 02:08	Chandrasekaran Akash	CPPg++13.2.0	Success	61,081
Apr 18, 2025 02:07	Chandrasekaran Akash	CPPg++13.2.0	Success	60,954+0.15 RP
Apr 18, 2025 02:04	Chandrasekaran Akash	CPPg++13.2.0	Success	61,770
Apr 18, 2025 02:03	Chandrasekaran Akash	CPPg++13.2.0	Success	61,403
Apr 18, 2025 02:03	Chandrasekaran Akash	CPPg++13.2.0	Success	61,792
Apr 18, 2025 02:03	Chandrasekaran Akash	CPPg++13.2.0	Success	61,927
Apr 18, 2025 02:03	Chandrasekaran Akash	CPPg++13.2.0	Success	61,986
Apr 18, 2025 02:02	Chandrasekaran Akash	CPPg++13.2.0	Success	61,930
Apr 18, 2025 02:02	Chandrasekaran Akash	CPPg++13.2.0	Success	61,781
Apr 18, 2025 02:01	Chandrasekaran Akash	CPPg++13.2.0	Success	61,773
Apr 18, 2025 02:00	Chandrasekaran Akash	CPPg++13.2.0	Success	61,803

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