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 15, 2021 22:39

Yurkov AlekseyScore: 164,830Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 15, 2021 22:39	98,702	87,379,609	36,519,683	0	2,265,088
2	Jul 15, 2021 22:39	98,981	114,086,913	36,622,973	0	2,269,184
3	Jul 15, 2021 22:38	99,240	106,077,379	36,718,684	0	2,252,800
4	Jul 15, 2021 22:38	99,503	99,220,132	36,816,012	0	2,260,992
5	Jul 15, 2021 22:38	99,768	101,817,904	36,914,252	0	2,269,184
6	Jul 15, 2021 22:38	99,871	114,249,746	36,952,257	0	2,256,896
7	Jul 15, 2021 22:39	99,958	98,882,747	36,984,531	0	2,265,088
8	Jul 15, 2021 22:38	100,363	98,416,184	37,134,217	0	2,273,280
9	Jul 15, 2021 22:38	100,458	104,901,823	37,169,613	0	2,252,800
10	Jul 15, 2021 22:38	164,341	86,462,808	58,813,000	1,993,000	2,289,664
11	Jul 15, 2021 22:38	164,365	90,372,930	59,819,000	996,000	2,289,664
12	Jul 15, 2021 22:39	164,470	86,459,656	58,859,000	1,995,000	2,289,664
13	Jul 15, 2021 22:38	164,497	82,149,477	60,864,000	0	2,273,280
14	Jul 15, 2021 22:38	164,511	85,985,176	58,874,000	1,995,000	2,277,376
15	Jul 15, 2021 22:39	164,524	82,322,868	58,879,000	1,995,000	2,375,680
16	Jul 15, 2021 22:38	164,635	82,919,222	59,917,000	998,000	2,273,280
17	Jul 15, 2021 22:39	164,638	86,305,175	58,919,000	1,997,000	2,289,664
18	Jul 15, 2021 22:38	164,773	85,504,453	58,968,000	1,998,000	2,277,376
19	Jul 15, 2021 22:38	164,830	88,085,631	58,988,000	1,999,000	2,289,664
20	Jul 15, 2021 22:38	164,997	82,718,065	59,048,000	2,001,000	2,273,280
21	Jul 15, 2021 22:38	165,003	83,903,260	60,051,000	1,000,000	2,531,328
22	Jul 15, 2021 22:38	165,016	86,437,155	59,055,000	2,001,000	2,289,664
23	Jul 15, 2021 22:39	165,041	83,305,233	59,063,000	2,002,000	2,289,664
24	Jul 15, 2021 22:38	165,043	85,171,460	59,064,000	2,002,000	2,289,664
25	Jul 15, 2021 22:39	165,059	83,917,980	59,070,000	2,002,000	2,289,664
26	Jul 15, 2021 22:39	165,070	83,489,501	59,074,000	2,002,000	2,289,664
27	Jul 15, 2021 22:39	165,116	82,346,594	60,092,000	1,001,000	2,289,664
28	Jul 15, 2021 22:38	165,124	88,321,710	59,093,000	2,003,000	2,527,232
29	Jul 15, 2021 22:38	165,195	88,384,658	60,120,000	1,002,000	2,289,664
30	Jul 15, 2021 22:39	165,281	83,270,158	59,149,000	2,005,000	2,392,064
31	Jul 15, 2021 22:39	165,354	87,251,929	59,176,000	2,005,000	2,277,376
32	Jul 15, 2021 22:38	165,408	87,131,205	59,195,000	2,006,000	2,289,664
33	Jul 15, 2021 22:38	165,478	84,612,850	59,220,000	2,007,000	2,289,664
34	Jul 15, 2021 22:38	165,843	84,968,429	59,351,000	2,011,000	2,289,664
35	Jul 15, 2021 22:38	166,976	85,482,040	59,789,000	1,992,000	2,527,232
36	Jul 15, 2021 22:38	168,411	85,718,332	61,307,000	1,005,000	2,289,664

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