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 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
Apr 18, 2025 01:54	Chandrasekaran Akash	CPPg++13.2.0	Error
Apr 18, 2025 01:50	Chandrasekaran Akash	CPPg++13.2.0	Success	63,676
Apr 18, 2025 01:48	Chandrasekaran Akash	CPPg++13.2.0	Success	63,781
Apr 18, 2025 01:47	Chandrasekaran Akash	CPPg++13.2.0	Success	61,986
Apr 18, 2025 01:46	Chandrasekaran Akash	CPPg++13.2.0	Error
Apr 18, 2025 01:40	Chandrasekaran Akash	CPPg++13.2.0	Success	61,795
Apr 18, 2025 01:36	Chandrasekaran Akash	CPPclang++18.1.3	Success	61,895
Apr 18, 2025 01:36	Chandrasekaran Akash	CPPg++13.2.0	Success	61,011+2.11 RP
Apr 18, 2025 01:33	Chandrasekaran Akash	CPPg++13.2.0	Success	61,814
Apr 18, 2025 01:32	Chandrasekaran Akash	CPPclang++18.1.3	Success	61,878
Apr 18, 2025 01:24	Chandrasekaran Akash	CPPclang++18.1.3	Success	61,827
Apr 18, 2025 01:24	Chandrasekaran Akash	CPPg++13.2.0	Success	61,811
Apr 18, 2025 01:23	Chandrasekaran Akash	CPPg++13.2.0	Success	61,811
Apr 18, 2025 01:21	Chandrasekaran Akash	CPPclang++18.1.3	Success	71,219
Apr 18, 2025 01:21	Chandrasekaran Akash	CPPg++13.2.0	Success	71,078
Apr 18, 2025 01:20	Chandrasekaran Akash	CPPclang++18.1.3	Success	61,808+0.25 RP
Apr 18, 2025 01:18	Chandrasekaran Akash	CPPclang++18.1.3	Success	61,957
Apr 18, 2025 01:17	Chandrasekaran Akash	CPPg++13.2.0	Success	62,103
Apr 18, 2025 01:14	Chandrasekaran Akash	CPPg++13.2.0	Success	62,335
Apr 18, 2025 01:14	Chandrasekaran Akash	CPPclang++18.1.3	Success	62,111
Apr 18, 2025 01:14	Chandrasekaran Akash	CPPclang++18.1.3	Success	62,095
Apr 18, 2025 01:11	Chandrasekaran Akash	CPPclang++18.1.3	Success	62,043
Apr 18, 2025 01:11	Chandrasekaran Akash	CPPg++13.2.0	Success	62,351
Apr 18, 2025 01:10	Chandrasekaran Akash	CPPg++13.2.0	Success	62,295
Apr 18, 2025 01:09	Chandrasekaran Akash	CPPclang++18.1.3	Success	61,984
Apr 18, 2025 01:07	Chandrasekaran Akash	CPPclang++18.1.3	Success	62,000
Apr 18, 2025 00:58	Chandrasekaran Akash	CPPclang++18.1.3	Success	61,938
Apr 18, 2025 00:57	Chandrasekaran Akash	CPPclang++18.1.3	Error
Apr 18, 2025 00:57	Chandrasekaran Akash	CPPg++13.2.0	Error
Apr 18, 2025 00:56	Chandrasekaran Akash	CPPg++13.2.0	Success	62,381
Apr 18, 2025 00:56	Chandrasekaran Akash	CPPclang++18.1.3	Success	62,078
Apr 18, 2025 00:55	Chandrasekaran Akash	CPPclang++18.1.3	Success	62,211
Apr 18, 2025 00:55	Chandrasekaran Akash	CPPg++13.2.0	Success	62,230
Apr 18, 2025 00:52	Chandrasekaran Akash	CPPg++13.2.0	Success	65,203
Apr 18, 2025 00:51	Chandrasekaran Akash	CPPclang++18.1.3	Success	65,151
Apr 18, 2025 00:44	Chandrasekaran Akash	CPPg++13.2.0	Success	64,938
Apr 18, 2025 00:44	Chandrasekaran Akash	CPPclang++18.1.3	Success	65,124
Apr 18, 2025 00:40	Chandrasekaran Akash	CPPclang++18.1.3	Success	64,943
Apr 18, 2025 00:40	Chandrasekaran Akash	CPPg++13.2.0	Success	65,173
Apr 18, 2025 00:39	Chandrasekaran Akash	CPPg++13.2.0	Success	65,697
Apr 18, 2025 00:38	Chandrasekaran Akash	CPPclang++18.1.3	Success	64,916
Apr 18, 2025 00:36	Chandrasekaran Akash	CPPclang++18.1.3	Success	64,978
Apr 16, 2025 01:30	emily grace	CPPclang++18.1.3	Success	126,554
Apr 16, 2025 01:28	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 01:25	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 01:17	emily grace	CPPclang++18.1.3	Success	104,189+5.86 RP
Apr 16, 2025 01:15	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 01:14	emily grace	CPPg++13.2.0	Error
Apr 16, 2025 01:10	emily grace	CPPg++13.2.0	Success	233,895
Apr 16, 2025 01:09	emily grace	CPPg++13.2.0	Error
Apr 16, 2025 01:08	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 01:06	emily grace	CPPclang++18.1.3	Success	137,416
Apr 16, 2025 01:05	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 01:03	emily grace	CPPclang++18.1.3	Success	146,165
Apr 16, 2025 01:01	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 01:00	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 00:56	emily grace	CPPclang++18.1.3	Success	111,616
Apr 16, 2025 00:54	emily grace	CPPclang++18.1.3	Success	412,941
Apr 16, 2025 00:53	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 00:51	emily grace	CPPclang++18.1.3	Success	353,824
Apr 16, 2025 00:50	emily grace	CPPclang++18.1.3	Success	350,162
Apr 16, 2025 00:48	emily grace	CPPclang++18.1.3	Success	119,024
Apr 16, 2025 00:48	emily grace	CPPclang++18.1.3	Success	1,639,941
Apr 16, 2025 00:46	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 00:45	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 00:20	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 00:13	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 00:07	emily grace	CPPclang++18.1.3	Success	21,987,400
Apr 16, 2025 00:06	emily grace	CPPclang++18.1.3	Error
Apr 16, 2025 00:03	emily grace	CPPclang++18.1.3	Success	152,424
Apr 16, 2025 00:01	emily grace	CPPclang++18.1.3	Error
Apr 15, 2025 23:58	emily grace	CPPclang++18.1.3	Error
Apr 15, 2025 23:55	emily grace	CPPclang++18.1.3	Error
Apr 15, 2025 23:50	emily grace	CPPclang++18.1.3	Success	110,970+90.11 RP
Apr 15, 2025 23:47	emily grace	CPPclang++18.1.3	Error
Apr 14, 2025 17:55	Joad Nacer	CPPclang++18.1.3	Error
Apr 14, 2025 17:54	Joad Nacer	CPPclang++18.1.3	Error
Apr 14, 2025 12:58	Yuriy Lyfenko	CPPclang++18.1.3	Success	59,216
Apr 14, 2025 12:57	Yuriy Lyfenko	CPPclang++18.1.3	Error
Apr 14, 2025 12:55	Yuriy Lyfenko	CPPclang++18.1.3	Success	59,178
Apr 14, 2025 12:52	Yuriy Lyfenko	CPPclang++18.1.3	Success	59,362
Apr 14, 2025 12:42	Yuriy Lyfenko	CPPclang++18.1.3	Success	59,770
Apr 14, 2025 12:38	Yuriy Lyfenko	CPPclang++18.1.3	Success	60,173
Apr 14, 2025 12:36	Yuriy Lyfenko	CPPclang++18.1.3	Success	64,154
Apr 14, 2025 12:34	Yuriy Lyfenko	CPPclang++18.1.3	Error
Apr 14, 2025 12:23	Yuriy Lyfenko	CPPclang++18.1.3	Success	59,497
Apr 14, 2025 12:21	Yuriy Lyfenko	CPPclang++18.1.3	Error
Apr 14, 2025 12:17	Yuriy Lyfenko	CPPclang++18.1.3	Success	59,381
Apr 14, 2025 12:16	Yuriy Lyfenko	CPPclang++18.1.3	Success	59,395

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