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
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
Mar 25, 2026 14:15	Dominique Garmier	ZIG0.13.0	Success	102,308+0.33 RP
Mar 25, 2026 10:05	Dominique Garmier	ZIG0.13.0	Success	102,659+27.51 RP
Mar 25, 2026 05:56	Dominique Garmier	CPPg++13.3.0	Success	226,965
Mar 25, 2026 00:46	Dominique Garmier	RUSTrust-1.94.0	Success	70,649
Mar 25, 2026 00:30	Dominique Garmier	GOgo1.26.1	Success	500,238
Mar 24, 2026 23:31	Dominique Garmier	CPPg++13.3.0	Success	70,438
Mar 24, 2026 20:23	Dominique Garmier	GOgo1.26.1	Success	219,038
Mar 24, 2026 19:31	Dominique Garmier	CPPg++13.3.0	Success	70,562
Mar 24, 2026 19:30	Dominique Garmier	CPPg++13.3.0	Success	70,495
Mar 24, 2026 18:34	Dominique Garmier	GOgo1.26.1	Success	725,111
Mar 24, 2026 17:40	Dominique Garmier	CPPg++13.3.0	Success	70,124
Mar 24, 2026 15:11	Dominique Garmier	RUSTrust-1.94.0	Error
Mar 24, 2026 12:37	Dominique Garmier	CSHARP9.0.14	Success	1,103,486
Mar 24, 2026 11:47	Dominique Garmier	CPPg++13.3.0	Success	70,592
Mar 24, 2026 11:46	Dominique Garmier	CPPg++13.3.0	Success	70,476
Mar 24, 2026 09:04	Dominique Garmier	GOgo1.26.1	Success	494,654
Mar 24, 2026 08:33	Dominique Garmier	GOgo1.26.1	Success	218,565
Mar 24, 2026 08:32	Dominique Garmier	GOgo1.26.1	Success	199,586
Mar 24, 2026 06:49	Dominique Garmier	RUSTrust-1.94.0	Success	71,638
Mar 24, 2026 06:29	Dominique Garmier	RUSTrust-1.94.0	Success	71,424
Mar 24, 2026 05:05	Dominique Garmier	GOgo1.26.1	Success	636,262
Mar 24, 2026 05:01	Dominique Garmier	RUSTrust-1.94.0	Success	442,376
Mar 24, 2026 04:55	Dominique Garmier	RUSTrust-1.94.0	Success	675,897
Mar 24, 2026 01:47	olliecrow	RUSTrust-1.94.0	Success	60,970+18.47 RP
Mar 24, 2026 01:19	Dominique Garmier	GOgo1.26.1	Success	154,186
Mar 24, 2026 01:12	Dominique Garmier	CSHARP9.0.14	Success	1,237,573
Mar 24, 2026 00:42	Dominique Garmier	CSHARP9.0.14	Success	7,727,049
Mar 24, 2026 00:40	Dominique Garmier	ZIG0.13.0	Success	1,585,122
Mar 23, 2026 16:45	Dominique Garmier	CPPg++13.3.0	Success	70,203
Mar 23, 2026 14:42	Dominique Garmier	CPPg++13.3.0	Success	225,611
Mar 23, 2026 07:01	Dominique Garmier	CPPg++13.3.0	Success	343,462
Mar 23, 2026 05:47	Dominique Garmier	CPPg++13.3.0	Success	70,214
Mar 22, 2026 21:17	olliecrow	CSHARP9.0.14	Success	119,105
Mar 22, 2026 21:16	olliecrow	ZIG0.14.0	Success	143,062+58.25 RP
Mar 22, 2026 21:14	olliecrow	CPPg++13.3.0	Success	60,414
Mar 22, 2026 20:04	Dominique Garmier	GOgo1.26.1	Success	101,416
Mar 22, 2026 19:35	Dominique Garmier	ZIG0.13.0	Success	858,724+1.03 RP
Mar 22, 2026 18:58	Dominique Garmier	RUSTrust-1.94.0	Success	675,314
Mar 22, 2026 18:35	Dominique Garmier	CSHARP9.0.14	Success	7,524,000
Mar 22, 2026 17:21	Dominique Garmier	GOgo1.26.1	Success	116,414
Mar 22, 2026 17:03	Dominique Garmier	RUSTrust-1.94.0	Success	99,581
Mar 22, 2026 13:41	Dominique Garmier	CPPclang++18.1.3	Success	72,597
Mar 22, 2026 11:47	Dominique Garmier	RUSTrust-1.94.0	Success	96,835
Mar 22, 2026 08:10	Dominique Garmier	CSHARP9.0.14	Success	648,019
Mar 22, 2026 02:03	izotoff	GOgo1.26.1	Success	78,600
Mar 22, 2026 01:51	izotoff	GOgo1.26.1	Success	82,357
Mar 22, 2026 01:41	izotoff	GOgo1.26.1	Error
Mar 22, 2026 01:34	izotoff	GOgo1.26.1	Error
Mar 22, 2026 01:34	izotoff	GOgo1.26.1	Error
Mar 21, 2026 23:34	Dominique Garmier	CPPg++13.3.0	Success	343,659

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