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
Oct 20, 2026 09:30	e1011	CPPg++10.5.0	Success	85,154
Oct 20, 2026 09:27	e1011	CPPg++10.5.0	Success	95,194
Oct 20, 2026 09:25	e1011	CPPg++10.5.0	Success	98,589
Oct 20, 2026 09:19	e1011	CPPg++10.5.0	Success	98,248
Oct 20, 2026 09:19	e1011	CPPg++10.5.0	Success	102,945
Oct 20, 2026 09:10	e1011	CPPg++10.5.0	Success	86,121
Oct 20, 2026 09:07	e1011	CPPg++10.5.0	Success	84,751
Oct 20, 2026 08:50	e1011	CPPg++10.5.0	Success	137,045
Oct 20, 2026 08:50	e1011	CPPg++10.5.0	Success	158,243
Oct 20, 2026 08:49	e1011	CPPg++10.5.0	Success	160,508
Oct 20, 2026 08:49	e1011	CPPg++10.5.0	Success	167,418
Oct 20, 2026 08:24	e1011	CPPg++10.5.0	Success	149,921
Oct 20, 2026 08:24	e1011	CPPg++10.5.0	Success	95,164
Oct 20, 2026 08:16	e1011	CPPg++10.5.0	Success	148,818
Oct 20, 2026 08:11	e1011	CPPg++10.5.0	Success	95,164
Oct 20, 2026 08:11	e1011	CPPg++10.5.0	Success	95,654
Oct 20, 2026 08:02	e1011	CPPg++10.5.0	Success	93,151
Oct 20, 2026 07:50	e1011	CPPg++10.5.0	Success	107,394
Oct 20, 2026 07:48	e1011	CPPg++10.5.0	Success	85,902
Oct 20, 2026 07:46	e1011	CPPg++10.5.0	Success	92,962
Oct 20, 2026 07:45	e1011	CPPg++10.5.0	Success	87,827
Oct 20, 2026 07:42	e1011	CPPg++10.5.0	Success	86,337
Oct 20, 2026 07:40	e1011	CPPg++10.5.0	Success	83,410+1.11 RP
Oct 20, 2026 07:36	e1011	CPPg++10.5.0	Success	85,078
Oct 20, 2026 07:33	e1011	CPPg++10.5.0	Success	84,381
Oct 20, 2026 07:31	e1011	CPPg++10.5.0	Success	84,191+10.82 RP
Oct 20, 2026 07:25	e1011	CPPg++10.5.0	Error
Oct 20, 2026 07:21	e1011	CPPg++10.5.0	Error
Oct 20, 2026 07:14	e1011	CPPg++10.5.0	Error
Oct 20, 2026 07:09	e1011	CPPg++10.5.0	Error
Oct 20, 2026 06:39	e1011	CPPg++10.5.0	Success	209,178
Oct 20, 2026 00:54	e1011	CPPg++10.5.0	Success	128,694
Oct 20, 2026 00:43	e1011	CPPg++10.5.0	Success	136,018
Oct 20, 2026 00:41	e1011	CPPg++10.5.0	Success	158,556
Oct 19, 2026 23:55	e1011	CPPg++10.5.0	Success	92,629+5.61 RP
Oct 19, 2026 23:15	e1011	CPPg++10.5.0	Error
Oct 19, 2026 23:15	e1011	CPPg++10.5.0	Error
Oct 19, 2026 23:08	e1011	CPPg++10.5.0	Success	97,710+32.48 RP
Oct 19, 2026 22:58	e1011	CPPg++10.5.0	Success	143,132+52.26 RP
Oct 19, 2026 22:19	e1011	CPPg++10.5.0	Success	567,956+0.01 RP
Oct 19, 2026 22:19	e1011	CPPg++10.5.0	Success	568,218+17.13 RP
Oct 19, 2026 22:18	e1011	CPPg++10.5.0	Error
Oct 19, 2026 22:18	e1011	CPPg++10.5.0	Error
Oct 19, 2026 22:15	e1011	CPPg++10.5.0	Error
Oct 19, 2026 22:15	e1011	CPPg++10.5.0	Error
Oct 19, 2026 22:11	e1011	CPPg++10.5.0	Error
Oct 19, 2026 22:10	e1011	CPPg++10.5.0	Error
Oct 19, 2026 21:56	e1011	CPPg++10.5.0	Success	21,224,181+0.02 RP
Oct 19, 2026 19:38	e1011	CPPg++10.5.0	Success	22,298,600+5.45 RP
Oct 19, 2026 14:17	izotoff	GOgo1.26.2	Success	74,808+8.83 RP
Oct 19, 2026 06:11	izotoff	GOgo1.26.2	Error
Oct 19, 2026 05:11	izotoff	GOgo1.26.2	Error
Oct 19, 2026 05:01	izotoff	GOgo1.26.2	Error
Oct 19, 2026 02:25	zayd-ansari-code	CPPg++10.5.0	Success	22,388,891+5.45 RP
Oct 17, 2026 09:04	Kacpxer	CPPclang++20.1.2	Success	75,259+132.87 RP
Oct 16, 2026 23:35	janwww	CSHARP9.0.15	Success	65,854
Oct 16, 2026 22:21	janwww	ZIG0.15.1	Success	61,694+3.43 RP
Oct 16, 2026 21:05	janwww	RUSTrust-1.95.0	Success	63,027+0.15 RP
Oct 16, 2026 04:33	highload-churner	CPPg++13.3.0	Success	53,600+0.77 RP
Oct 16, 2026 04:23	highload-churner	CPPg++13.3.0	Success	53,802+2.81 RP
Oct 13, 2026 09:00	highload-churner	CPPg++13.3.0	Success	54,656
Oct 13, 2026 08:58	highload-churner	CPPg++13.3.0	Success	580,245
Oct 13, 2026 08:53	highload-churner	CPPg++13.3.0	Success	579,845
Oct 13, 2026 08:49	highload-churner	CPPg++13.3.0	Success	580,097
Oct 13, 2026 08:40	highload-churner	CPPg++13.3.0	Success	2,320,618
Oct 13, 2026 08:33	highload-churner	CPPg++13.3.0	Success	54,629+0.24 RP
Oct 13, 2026 08:27	highload-churner	CPPg++13.3.0	Success	1,619,705
Oct 13, 2026 08:24	highload-churner	CPPg++13.3.0	Success	1,620,264
Oct 13, 2026 08:21	highload-churner	CPPg++13.3.0	Success	1,839,245
Oct 13, 2026 08:19	highload-churner	CPPg++13.3.0	Success	54,700+0.32 RP
Oct 13, 2026 08:16	highload-churner	CPPg++13.3.0	Success	54,797+0.47 RP
Oct 13, 2026 08:12	highload-churner	CPPg++13.3.0	Success	1,735,208
Oct 13, 2026 05:30	highload-churner	CPPg++13.3.0	Success	2,398,478
Oct 13, 2026 04:23	highload-churner	CPPg++13.3.0	Success	55,870
Oct 13, 2026 04:16	highload-churner	CPPg++13.3.0	Success	55,289
Oct 13, 2026 01:47	highload-churner	CPPg++13.3.0	Success	55,010
Oct 13, 2026 01:36	highload-churner	CPPg++13.3.0	Success	55,024
Oct 12, 2026 15:58	highload-churner	CPPclang++18.1.3	Success	56,337
Oct 12, 2026 15:55	highload-churner	CPPg++13.3.0	Success	55,140
Oct 12, 2026 15:50	highload-churner	CPPg++13.3.0	Success	55,483
Oct 12, 2026 15:47	highload-churner	CPPg++13.3.0	Success	55,283
Oct 12, 2026 15:40	highload-churner	CPPg++13.3.0	Success	54,981
Oct 12, 2026 15:37	highload-churner	CPPg++13.3.0	Success	54,991
Oct 12, 2026 15:20	highload-churner	CPPg++13.3.0	Success	55,472
Oct 12, 2026 15:02	highload-churner	CPPg++13.3.0	Success	55,089
Oct 12, 2026 14:53	highload-churner	CPPg++13.3.0	Success	55,229
Oct 12, 2026 14:42	highload-churner	CPPg++13.3.0	Success	54,983
Oct 12, 2026 14:31	highload-churner	CPPg++13.3.0	Success	89,872
Oct 12, 2026 14:28	highload-churner	CPPg++13.3.0	Success	62,821
Oct 12, 2026 14:20	highload-churner	CPPg++13.3.0	Success	109,794
Oct 12, 2026 13:57	highload-churner	CPPg++13.3.0	Success	55,113
Oct 12, 2026 13:52	highload-churner	CPPg++13.3.0	Success	54,943
Oct 12, 2026 13:47	highload-churner	CPPg++13.3.0	Success	66,627
Oct 12, 2026 13:45	highload-churner	CPPg++13.3.0	Success	108,654
Oct 12, 2026 13:42	highload-churner	CPPg++13.3.0	Success	111,889
Oct 12, 2026 13:40	highload-churner	CPPg++13.3.0	Success	73,864
Oct 12, 2026 13:28	highload-churner	CPPg++13.3.0	Success	56,864
Oct 12, 2026 13:26	highload-churner	CPPg++13.3.0	Success	107,367
Oct 12, 2026 00:40	highload-churner	CPPg++13.3.0	Success	54,940+0.41 RP
Oct 11, 2026 22:35	highload-churner	CPPg++13.3.0	Success	55,064+0.07 RP

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