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 22:43	Victor Mercklé	CPPg++14.2.0	Success	71,697
Jun 24, 2026 22:38	Victor Mercklé	CPPg++14.2.0	Success	75,151
Jun 24, 2026 22:33	Victor Mercklé	CPPg++14.2.0	Success	71,072
Jun 24, 2026 22:28	Victor Mercklé	CPPg++14.2.0	Success	71,194
Jun 24, 2026 22:20	Victor Mercklé	CPPg++14.2.0	Success	71,089
Jun 24, 2026 22:08	Victor Mercklé	CPPg++14.2.0	Success	70,940
Jun 24, 2026 22:02	Victor Mercklé	CPPg++14.2.0	Success	71,170
Jun 24, 2026 21:57	Victor Mercklé	CPPg++14.2.0	Success	71,100
Jun 24, 2026 21:52	Victor Mercklé	CPPg++14.2.0	Success	71,200
Jun 24, 2026 21:47	Victor Mercklé	CPPg++14.2.0	Success	71,548
Jun 24, 2026 21:42	Victor Mercklé	CPPg++14.2.0	Success	71,664
Jun 24, 2026 21:35	Victor Mercklé	CPPg++14.2.0	Success	71,648
Jun 24, 2026 21:27	Victor Mercklé	CPPg++14.2.0	Success	71,867
Jun 24, 2026 21:22	Victor Mercklé	CPPg++14.2.0	Success	75,578
Jun 24, 2026 21:13	Victor Mercklé	CPPg++14.2.0	Success	70,262
Jun 24, 2026 21:08	Victor Mercklé	CPPg++14.2.0	Success	71,708
Jun 24, 2026 21:02	Victor Mercklé	CPPg++14.2.0	Success	74,018
Jun 24, 2026 20:57	Victor Mercklé	CPPg++14.2.0	Success	70,375
Jun 24, 2026 20:51	Victor Mercklé	CPPg++14.2.0	Success	72,494
Jun 24, 2026 20:42	Victor Mercklé	CPPg++14.2.0	Success	70,324
Jun 24, 2026 20:35	Victor Mercklé	CPPg++14.2.0	Success	71,018
Jun 24, 2026 20:29	Victor Mercklé	CPPg++14.2.0	Success	71,094
Jun 24, 2026 20:24	Victor Mercklé	CPPg++14.2.0	Success	70,348
Jun 24, 2026 20:19	Victor Mercklé	CPPg++14.2.0	Success	70,335
Jun 24, 2026 20:11	Victor Mercklé	CPPg++14.2.0	Success	70,427
Jun 24, 2026 19:49	Victor Mercklé	CPPg++14.2.0	Success	70,729
Jun 24, 2026 19:43	Victor Mercklé	CPPg++14.2.0	Success	70,743
Jun 24, 2026 19:36	Victor Mercklé	CPPg++14.2.0	Success	76,594
Jun 24, 2026 19:31	Victor Mercklé	CPPg++14.2.0	Success	78,251
Jun 24, 2026 19:23	Victor Mercklé	CPPg++14.2.0	Success	73,040
Jun 24, 2026 19:17	Victor Mercklé	CPPg++14.2.0	Success	75,064
Jun 24, 2026 19:12	Victor Mercklé	CPPg++14.2.0	Success	71,572
Jun 24, 2026 19:07	Victor Mercklé	CPPg++14.2.0	Success	76,251
Jun 24, 2026 19:02	Victor Mercklé	CPPg++14.2.0	Success	75,645
Jun 24, 2026 18:57	Victor Mercklé	CPPg++14.2.0	Success	74,943
Jun 24, 2026 18:52	Victor Mercklé	CPPg++14.2.0	Success	77,078
Jun 24, 2026 18:47	Victor Mercklé	CPPg++14.2.0	Success	77,491
Jun 24, 2026 18:42	Victor Mercklé	CPPg++14.2.0	Success	165,708
Jun 24, 2026 18:37	Victor Mercklé	CPPg++14.2.0	Success	212,962
Jun 24, 2026 18:32	Victor Mercklé	CPPg++14.2.0	Success	70,981
Jun 24, 2026 18:27	Victor Mercklé	CPPg++14.2.0	Success	74,951
Jun 24, 2026 18:22	Victor Mercklé	CPPg++14.2.0	Success	77,783
Jun 24, 2026 18:17	Victor Mercklé	CPPg++14.2.0	Success	77,829
Jun 24, 2026 18:12	Victor Mercklé	CPPg++14.2.0	Success	165,662
Jun 24, 2026 18:07	Victor Mercklé	CPPg++14.2.0	Success	72,421
Jun 24, 2026 18:02	Victor Mercklé	CPPg++14.2.0	Success	73,843
Jun 24, 2026 17:57	Victor Mercklé	CPPg++14.2.0	Success	75,270
Jun 24, 2026 17:52	Victor Mercklé	CPPg++14.2.0	Success	133,464
Jun 24, 2026 17:47	Victor Mercklé	CPPg++14.2.0	Success	247,016
Jun 24, 2026 17:37	Victor Mercklé	CPPg++14.2.0	Success	63,637
Jun 24, 2026 17:22	Victor Mercklé	CPPg++14.2.0	Success	63,216
Jun 24, 2026 17:15	Victor Mercklé	CPPg++14.2.0	Success	63,075
Jun 24, 2026 17:10	Victor Mercklé	CPPg++14.2.0	Success	63,229
Jun 24, 2026 17:05	Victor Mercklé	CPPg++14.2.0	Success	63,797
Jun 24, 2026 17:00	Victor Mercklé	CPPg++14.2.0	Success	63,472
Jun 24, 2026 16:55	Victor Mercklé	CPPg++14.2.0	Success	63,659
Jun 24, 2026 16:47	Victor Mercklé	CPPg++14.2.0	Success	63,491
Jun 24, 2026 16:05	Victor Mercklé	CPPg++14.2.0	Success	63,440
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

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