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.

Back to listJul 8, 2021 22:16

Yurkov AlekseyError

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Jul 8, 2021 22:16	0	0	0	0	0	Error: died or killed
2	Jul 8, 2021 21:45	105,481	61,510,578	37,027,000	2,001,000	2,289,664
3	Jul 8, 2021 21:45	105,497	64,082,832	37,033,000	2,001,000	2,277,376
4	Jul 8, 2021 21:44	105,570	61,425,523	38,060,000	1,001,000	2,273,280
5	Jul 8, 2021 21:44	105,635	64,747,200	37,081,000	2,004,000	2,289,664
6	Jul 8, 2021 21:44	105,805	60,858,633	37,141,000	2,007,000	2,527,232
7	Jul 8, 2021 22:16	105,865	62,485,259	37,162,000	2,008,000	2,289,664
8	Jul 8, 2021 21:44	105,924	63,194,824	37,183,000	2,009,000	2,273,280
9	Jul 8, 2021 21:45	106,049	63,593,540	37,226,000	2,012,000	2,289,664
10	Jul 8, 2021 21:45	106,089	61,920,626	38,247,000	1,006,000	2,269,184
11	Jul 8, 2021 22:16	106,224	61,481,398	37,288,000	2,015,000	2,289,664
12	Jul 8, 2021 21:44	106,273	61,929,351	38,313,000	1,008,000	2,277,376
13	Jul 8, 2021 22:16	106,435	63,087,880	38,372,000	1,009,000	2,289,664
14	Jul 8, 2021 21:45	106,484	60,537,767	39,399,000	0	2,289,664
15	Jul 8, 2021 21:45	106,486	58,807,606	38,390,000	1,010,000	2,289,664
16	Jul 8, 2021 21:44	106,649	66,059,832	39,460,000	0	2,289,664
17	Jul 8, 2021 22:16	106,692	61,516,987	37,452,000	2,024,000	2,523,136
18	Jul 8, 2021 21:45	106,727	63,812,655	39,489,000	0	2,289,664
19	Jul 8, 2021 22:16	106,730	67,956,483	38,478,000	1,012,000	2,289,664
20	Jul 8, 2021 22:16	106,743	63,208,599	38,483,000	1,012,000	2,277,376
21	Jul 8, 2021 21:44	106,754	65,607,203	38,487,000	1,012,000	2,289,664
22	Jul 8, 2021 22:16	106,854	61,733,424	38,523,000	1,013,000	2,289,664
23	Jul 8, 2021 22:16	106,984	64,672,249	39,584,000	0	2,289,664
24	Jul 8, 2021 21:44	107,289	68,963,678	38,680,000	1,017,000	2,289,664
25	Jul 8, 2021 21:45	107,686	68,013,995	37,852,000	1,992,000	2,289,664
26	Jul 8, 2021 21:44	107,708	71,677,035	37,860,000	1,992,000	2,289,664
27	Jul 8, 2021 21:45	108,332	66,308,518	38,079,000	2,004,000	2,289,664
28	Jul 8, 2021 22:16	110,019	66,739,778	39,715,000	992,000	2,277,376
29	Jul 8, 2021 21:45	131,024	109,338,210	48,478,971	0	2,256,896
30	Jul 8, 2021 22:16	131,200	109,494,337	48,544,001	0	2,269,184
31	Jul 8, 2021 22:16	131,535	110,779,783	48,667,882	0	2,269,184
32	Jul 8, 2021 21:44	131,844	108,008,654	48,782,157	0	2,265,088
33	Jul 8, 2021 21:45	131,928	117,815,044	48,813,498	0	2,273,280
34	Jul 8, 2021 21:44	131,955	110,643,467	48,823,297	0	2,269,184
35	Jul 8, 2021 22:16	131,980	104,429,250	48,832,486	0	2,269,184
36	Jul 8, 2021 21:44	132,128	120,456,237	48,887,510	0	2,265,088
37	Jul 8, 2021 21:45	132,187	108,776,279	48,909,150	0	2,265,088

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