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 17, 2026 21:16	Charles Cabergs	CPPg++13.3.0	Success	173,854+52.33 RP
Apr 17, 2026 18:14	Charles Cabergs	CPPg++13.3.0	Success	1,925,478+5.19 RP
Apr 16, 2026 21:47	olliecrow	CSHARP9.0.14	Success	167,149
Apr 16, 2026 21:21	olliecrow	RUSTrust-1.94.0	Success	110,403
Apr 16, 2026 21:01	olliecrow	ZIG0.14.0	Error
Apr 16, 2026 20:59	olliecrow	CPPclang++18.1.3	Success	132,438
Apr 16, 2026 20:54	olliecrow	GOgo1.26.1	Success	60,981
Apr 16, 2026 18:14	olliecrow	RUSTrust-1.94.0	Success	556,122
Apr 16, 2026 18:08	olliecrow	RUSTrust-1.94.0	Success	550,795
Apr 16, 2026 17:25	olliecrow	RUSTrust-1.94.0	Success	538,303
Apr 16, 2026 17:07	olliecrow	RUSTrust-1.94.0	Success	726,095
Apr 16, 2026 17:03	olliecrow	RUSTrust-1.94.0	Error
Apr 16, 2026 16:58	olliecrow	RUSTrust-1.94.0	Error
Apr 16, 2026 16:53	olliecrow	RUSTrust-1.94.0	Success	548,838
Apr 16, 2026 16:25	olliecrow	RUSTrust-1.94.0	Error
Apr 16, 2026 16:25	olliecrow	RUSTrust-1.94.0	Success	78,335
Apr 16, 2026 16:21	olliecrow	RUSTrust-1.94.0	Success	66,868
Apr 16, 2026 16:18	olliecrow	RUSTrust-1.94.0	Success	555,357
Apr 16, 2026 16:15	olliecrow	RUSTrust-1.94.0	Success	546,262
Apr 16, 2026 16:10	olliecrow	RUSTrust-1.94.0	Success	536,511
Apr 16, 2026 06:50	olliecrow	RUSTrust-1.94.0	Success	61,038
Apr 16, 2026 06:42	olliecrow	RUSTrust-1.94.0	Success	60,951
Apr 16, 2026 05:50	olliecrow	RUSTrust-1.94.0	Success	60,770+0.36 RP
Apr 16, 2026 05:30	olliecrow	RUSTrust-1.94.0	Success	60,935
Apr 16, 2026 05:26	olliecrow	RUSTrust-1.94.0	Success	60,905+0.18 RP
Apr 16, 2026 01:54	olliecrow	CPPg++13.3.0	Success	60,857
Apr 15, 2026 23:57	olliecrow	CPPclang++18.1.3	Success	62,338
Apr 15, 2026 23:37	olliecrow	CPPg++13.3.0	Success	60,638
Apr 15, 2026 12:42	olliecrow	CSHARP9.0.14	Success	69,127+3.58 RP
Apr 15, 2026 12:39	olliecrow	RUSTrust-1.94.0	Success	61,132
Apr 15, 2026 12:32	olliecrow	CPPclang++18.1.3	Success	94,868
Apr 14, 2026 21:02	olliecrow	ZIG0.14.0	Success	60,381+0.01 RP
Apr 9, 2026 18:14	olliecrow	GOgo1.26.2	Success	60,946+26.23 RP
Apr 9, 2026 18:09	olliecrow	CSHARP9.0.14	Success	70,881+0.52 RP
Apr 9, 2026 15:01	olliecrow	ZIG0.14.0	Success	60,386+23.70 RP
Apr 9, 2026 09:36	olliecrow	GOgo1.26.1	Success	264,265
Apr 9, 2026 09:32	olliecrow	GOgo1.26.1	Success	263,086
Apr 6, 2026 22:38	olliecrow	GOgo1.26.1	Error
Apr 6, 2026 22:36	olliecrow	GOgo1.26.1	Error
Apr 5, 2026 08:24	Cema	CPPg++13.3.0	Success	74,149+16.50 RP
Apr 2, 2026 00:41	olliecrow	CSHARP9.0.14	Success	166,492
Apr 1, 2026 21:22	olliecrow	ZIG0.14.0	Success	72,932
Apr 1, 2026 21:20	olliecrow	ZIG0.14.0	Success	72,732
Mar 31, 2026 23:36	olliecrow	CPPg++13.3.0	Error
Mar 30, 2026 16:20	Dominique Garmier	RUSTrust-1.94.1	Success	70,889
Mar 30, 2026 15:49	Dominique Garmier	RUSTrust-1.94.1	Success	70,957
Mar 30, 2026 14:22	Dominique Garmier	RUSTrust-1.94.1	Success	72,559
Mar 30, 2026 14:03	Dominique Garmier	RUSTrust-1.94.1	Success	70,700
Mar 30, 2026 13:33	Dominique Garmier	RUSTrust-1.94.1	Success	70,670
Mar 30, 2026 12:28	Dominique Garmier	RUSTrust-1.94.1	Success	70,832
Mar 30, 2026 11:32	Dominique Garmier	RUSTrust-1.94.1	Success	79,695
Mar 30, 2026 10:23	Dominique Garmier	RUSTrust-1.94.1	Success	3,506,824
Mar 30, 2026 10:05	Dominique Garmier	RUSTrust-1.94.1	Success	97,078
Mar 30, 2026 08:59	Dominique Garmier	RUSTrust-1.94.1	Success	72,711
Mar 30, 2026 07:45	Dominique Garmier	RUSTrust-1.94.1	Success	76,673
Mar 30, 2026 07:44	Dominique Garmier	RUSTrust-1.94.1	Success	83,408
Mar 30, 2026 07:33	Dominique Garmier	RUSTrust-1.94.1	Error
Mar 30, 2026 07:31	Dominique Garmier	RUSTrust-1.94.1	Success	71,516
Mar 30, 2026 05:54	limanjun99	CPPg++13.3.0	Success	61,916
Mar 30, 2026 05:52	limanjun99	CPPg++13.3.0	Success	58,551
Mar 30, 2026 05:51	limanjun99	CPPg++13.3.0	Success	58,235+3.38 RP
Mar 30, 2026 05:45	limanjun99	CPPg++13.3.0	Success	59,586
Mar 30, 2026 05:41	limanjun99	CPPg++13.3.0	Success	65,311
Mar 30, 2026 05:40	limanjun99	CPPg++13.3.0	Success	63,981
Mar 30, 2026 05:35	limanjun99	CPPg++13.3.0	Success	59,405+6.91 RP
Mar 30, 2026 05:30	limanjun99	CPPg++13.3.0	Success	62,149
Mar 30, 2026 05:14	limanjun99	CPPg++13.3.0	Success	62,086
Mar 30, 2026 05:04	limanjun99	CPPg++13.3.0	Success	61,946+12.73 RP
Mar 30, 2026 05:00	limanjun99	CPPg++13.3.0	Error
Mar 30, 2026 04:53	limanjun99	CPPg++13.3.0	Success	67,251+1.25 RP
Mar 30, 2026 04:36	limanjun99	CPPg++13.3.0	Success	68,619
Mar 30, 2026 04:32	limanjun99	CPPg++13.3.0	Success	67,822+0.77 RP
Mar 30, 2026 03:54	limanjun99	CPPg++13.3.0	Success	68,178+0.21 RP
Mar 30, 2026 03:53	limanjun99	CPPg++13.3.0	Success	68,695
Mar 29, 2026 23:59	Dominique Garmier	RUSTrust-1.94.1	Success	349,014
Mar 29, 2026 00:54	Dominique Garmier	GOgo1.26.1	Success	249,249
Mar 29, 2026 00:09	Dominique Garmier	GOgo1.26.1	Success	223,786
Mar 28, 2026 23:45	Dominique Garmier	CPPg++13.3.0	Success	388,768
Mar 27, 2026 00:15	Dominique Garmier	CPPg++13.3.0	Success	69,843
Mar 27, 2026 00:14	Dominique Garmier	CPPg++13.3.0	Success	70,251
Mar 26, 2026 22:50	Dominique Garmier	GOgo1.26.1	Success	154,495
Mar 26, 2026 22:15	Dominique Garmier	RUSTrust-1.94.0	Success	682,297
Mar 26, 2026 21:45	Dominique Garmier	CPPclang++18.1.3	Success	72,549
Mar 26, 2026 19:12	Dominique Garmier	CPPg++13.3.0	Success	81,292
Mar 26, 2026 19:12	Dominique Garmier	CPPg++13.3.0	Success	69,335
Mar 26, 2026 19:09	Dominique Garmier	CPPclang++18.1.3	Success	71,024
Mar 26, 2026 18:38	Dominique Garmier	CPPg++13.3.0	Success	69,259+1.39 RP
Mar 26, 2026 18:36	Dominique Garmier	CPPclang++18.1.3	Success	83,327
Mar 26, 2026 10:57	Dominique Garmier	RUSTrust-1.94.0	Success	97,468
Mar 26, 2026 10:46	Dominique Garmier	ZIG0.13.0	Success	72,895
Mar 26, 2026 10:23	Dominique Garmier	RUSTrust-1.94.0	Success	9,586,657
Mar 25, 2026 21:40	Dominique Garmier	ZIG0.13.0	Success	71,241
Mar 25, 2026 20:30	Dominique Garmier	ZIG0.13.0	Success	70,473+3.40 RP
Mar 25, 2026 19:57	Dominique Garmier	ZIG0.13.0	Success	121,349
Mar 25, 2026 18:39	Dominique Garmier	ZIG0.13.0	Success	121,322
Mar 25, 2026 17:57	Dominique Garmier	ZIG0.13.0	Success	98,505
Mar 25, 2026 17:15	Dominique Garmier	ZIG0.13.0	Success	103,338
Mar 25, 2026 15:38	Dominique Garmier	ZIG0.13.0	Success	72,203+40.75 RP
Mar 25, 2026 15:01	olliecrow	CPPg++13.3.0	Success	97,762
Mar 25, 2026 14:54	olliecrow	CPPg++13.3.0	Success	96,195

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