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
Jun 24, 2026 15:41	Victor Mercklé	CPPg++14.2.0	Success	63,459
Jun 24, 2026 15:16	Victor Mercklé	CPPg++14.2.0	Success	63,521
Jun 24, 2026 14:54	Victor Mercklé	CPPg++14.2.0	Success	63,270
Jun 24, 2026 14:18	Victor Mercklé	CPPg++14.2.0	Success	69,900
Jun 24, 2026 14:10	Victor Mercklé	CPPg++14.2.0	Success	63,108
Jun 24, 2026 14:01	Victor Mercklé	CPPg++14.2.0	Success	101,310
Jun 24, 2026 13:47	Victor Mercklé	CPPg++14.2.0	Success	63,100
Jun 24, 2026 13:41	Victor Mercklé	CPPg++14.2.0	Success	63,002
Jun 24, 2026 13:36	Victor Mercklé	CPPg++14.2.0	Success	124,194
Jun 24, 2026 12:44	Victor Mercklé	CPPg++14.2.0	Success	63,335
Jun 24, 2026 12:39	Victor Mercklé	CPPg++14.2.0	Success	63,497
Jun 24, 2026 12:29	Victor Mercklé	CPPg++14.2.0	Success	63,424
Jun 24, 2026 12:24	Victor Mercklé	CPPg++14.2.0	Success	63,564
Jun 24, 2026 12:17	Victor Mercklé	CPPg++14.2.0	Success	68,240
Jun 24, 2026 11:47	Victor Mercklé	CPPg++14.2.0	Success	63,748
Jun 24, 2026 11:23	Victor Mercklé	CPPg++14.2.0	Success	63,543
Jun 24, 2026 11:14	Victor Mercklé	CPPg++14.2.0	Success	63,408
Jun 24, 2026 11:07	Victor Mercklé	CPPg++14.2.0	Success	63,824
Jun 24, 2026 11:02	Victor Mercklé	CPPg++14.2.0	Success	64,194
Jun 24, 2026 10:57	Victor Mercklé	CPPg++14.2.0	Success	86,281
Jun 24, 2026 10:51	Victor Mercklé	CPPg++14.2.0	Success	63,883
Jun 24, 2026 10:44	Victor Mercklé	CPPg++14.2.0	Success	64,675
Jun 24, 2026 10:39	Victor Mercklé	CPPg++14.2.0	Success	63,351
Jun 24, 2026 10:33	Victor Mercklé	CPPg++14.2.0	Success	63,435
Jun 24, 2026 10:15	Victor Mercklé	CPPg++14.2.0	Success	86,835
Jun 24, 2026 10:10	Victor Mercklé	CPPg++14.2.0	Success	63,643
Jun 24, 2026 10:03	Victor Mercklé	CPPg++14.2.0	Success	64,310
Jun 24, 2026 09:43	Victor Mercklé	CPPg++14.2.0	Success	64,002
Jun 23, 2026 20:49	Victor Mercklé	CPPg++14.2.0	Success	63,594
Jun 23, 2026 20:39	Victor Mercklé	CPPg++14.2.0	Success	63,235
Jun 23, 2026 20:34	Victor Mercklé	CPPg++14.2.0	Success	111,156
Jun 23, 2026 20:27	Victor Mercklé	CPPg++14.2.0	Success	63,367
Jun 22, 2026 03:00	Elijah Kin	CPPg++14.2.0	Success	73,494
Jun 22, 2026 02:42	Elijah Kin	CPPg++14.2.0	Success	71,343
Jun 22, 2026 02:35	Elijah Kin	CPPg++14.2.0	Success	68,832
Jun 21, 2026 23:06	A_Shaman	CPPg++10.5.0	Success	74,494
Jun 21, 2026 23:02	A_Shaman	CPPg++10.5.0	Success	73,954
Jun 21, 2026 23:00	A_Shaman	CPPg++10.5.0	Success	73,724
Jun 21, 2026 22:56	A_Shaman	CPPg++10.5.0	Success	72,397
Jun 21, 2026 22:53	A_Shaman	CPPg++10.5.0	Success	72,186+3.43 RP
Jun 21, 2026 22:48	A_Shaman	CPPg++10.5.0	Success	74,021+26.53 RP
Jun 21, 2026 22:46	A_Shaman	CPPg++10.5.0	Success	92,110+20.81 RP
Jun 21, 2026 22:43	A_Shaman	CPPg++10.5.0	Success	1,316,456
Jun 21, 2026 22:39	A_Shaman	CPPg++10.5.0	Success	1,905,589
Jun 21, 2026 22:37	A_Shaman	CPPg++10.5.0	Success	652,970
Jun 21, 2026 21:58	Elijah Kin	CPPclang++20.1.2	Success	68,629
Jun 21, 2026 06:51	Elijah Kin	CPPg++14.2.0	Success	66,962
Jun 21, 2026 06:44	Elijah Kin	CPPg++14.2.0	Success	66,962
Jun 21, 2026 06:34	Elijah Kin	CPPg++14.2.0	Success	106,818
Jun 21, 2026 06:33	Elijah Kin	CPPg++14.2.0	Success	107,127
Jun 21, 2026 06:30	Elijah Kin	CPPg++14.2.0	Success	66,978
Jun 21, 2026 06:23	Elijah Kin	CPPg++14.2.0	Success	66,918+0.96 RP
Jun 21, 2026 06:16	Elijah Kin	CPPg++14.2.0	Success	67,351+79.77 RP
Jun 21, 2026 06:07	Elijah Kin	CPPg++14.2.0	Success	147,362
Jun 20, 2026 20:17	A_Shaman	CPPg++10.5.0	Success	582,327
Jun 20, 2026 20:14	A_Shaman	CPPg++10.5.0	Success	113,959+45.31 RP
Jun 20, 2026 20:11	A_Shaman	CPPg++10.5.0	Success	1,325,586
Jun 20, 2026 20:08	A_Shaman	CPPg++10.5.0	Success	235,635+6.12 RP
Jun 20, 2026 20:05	A_Shaman	CPPg++10.5.0	Success	275,332+36.32 RP
Jun 20, 2026 07:51	A_Shaman	CPPg++10.5.0	Error
Jun 19, 2026 08:34	Victor Mercklé	CPPg++14.2.0	Success	63,421
Jun 19, 2026 08:29	Victor Mercklé	CPPg++14.2.0	Success	63,454
Jun 19, 2026 08:21	Victor Mercklé	CPPg++14.2.0	Success	62,913
Jun 19, 2026 08:15	Victor Mercklé	CPPg++14.2.0	Success	63,600
Jun 19, 2026 00:32	Victor Mercklé	CPPg++14.2.0	Success	62,972
Jun 19, 2026 00:10	Victor Mercklé	CPPg++14.2.0	Success	63,240
Jun 18, 2026 23:43	Victor Mercklé	CPPg++14.2.0	Success	63,581
Jun 18, 2026 23:15	Victor Mercklé	CPPg++14.2.0	Success	64,810
Jun 18, 2026 16:40	Victor Mercklé	CPPg++14.2.0	Success	66,343
Jun 18, 2026 16:29	Victor Mercklé	CPPg++14.2.0	Success	90,745
Jun 18, 2026 16:24	Victor Mercklé	CPPg++14.2.0	Success	63,151
Jun 18, 2026 16:16	Victor Mercklé	CPPg++14.2.0	Success	87,418
Jun 18, 2026 16:02	Victor Mercklé	CPPg++14.2.0	Success	63,370
Jun 18, 2026 15:57	Victor Mercklé	CPPg++14.2.0	Success	62,975
Jun 18, 2026 15:52	Victor Mercklé	CPPg++14.2.0	Success	63,654
Jun 18, 2026 15:47	Victor Mercklé	CPPg++14.2.0	Success	62,818
Jun 18, 2026 05:44	Victor Mercklé	CPPg++14.2.0	Success	86,218
Jun 18, 2026 05:39	Victor Mercklé	CPPg++14.2.0	Success	63,245
Jun 18, 2026 05:34	Victor Mercklé	CPPg++14.2.0	Success	63,327
Jun 18, 2026 05:28	Victor Mercklé	CPPg++14.2.0	Success	62,945
Jun 18, 2026 05:23	Victor Mercklé	CPPg++14.2.0	Success	62,913
Jun 17, 2026 23:15	Victor Mercklé	CPPg++14.2.0	Success	63,200
Jun 17, 2026 23:07	Victor Mercklé	CPPg++14.2.0	Success	63,959
Jun 17, 2026 22:55	Victor Mercklé	CPPg++14.2.0	Success	63,456
Jun 17, 2026 22:50	Victor Mercklé	CPPg++14.2.0	Success	63,691
Jun 12, 2026 10:23	Victor Mercklé	ZIG0.16.0	Success	63,889
Jun 12, 2026 09:50	Victor Mercklé	ZIG0.16.0	Success	63,978
Jun 12, 2026 09:38	Victor Mercklé	ZIG0.16.0	Success	63,721
Jun 12, 2026 07:03	Victor Mercklé	RUSTrust-1.95.0	Success	63,432
Jun 12, 2026 06:58	Victor Mercklé	RUSTrust-1.95.0	Success	63,483
Jun 12, 2026 06:42	Victor Mercklé	RUSTrust-1.95.0	Success	63,054
Jun 12, 2026 04:13	Victor Mercklé	GOgo1.26.2	Success	67,275
Jun 12, 2026 04:08	Victor Mercklé	GOgo1.26.2	Success	67,208
Jun 12, 2026 03:52	Victor Mercklé	GOgo1.26.2	Success	67,059
Jun 12, 2026 02:16	Victor Mercklé	CSHARP10.0.7	Success	66,918
Jun 12, 2026 01:57	Victor Mercklé	CSHARP10.0.7	Success	66,778+0.67 RP
Jun 12, 2026 01:34	Victor Mercklé	CSHARP10.0.7	Success	67,078+4.42 RP
Jun 11, 2026 12:06	Victor Mercklé	CPPg++14.2.0	Success	63,462
Jun 11, 2026 11:45	Victor Mercklé	CPPg++14.2.0	Success	63,716
Jun 11, 2026 11:21	Victor Mercklé	CPPg++14.2.0	Success	63,110

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