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 listSep 18, 2021 22:18

Ilya AniskovetsScore: 119,159Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 3, 2021 14:52	118,451	65,497,795	42,831,000	996,000	2,523,136
2	Sep 18, 2021 22:17	118,608	71,548,140	41,891,000	1,994,000	2,289,664
3	Sep 3, 2021 14:52	118,630	69,727,156	42,896,000	997,000	2,289,664
4	Sep 18, 2021 22:18	118,695	69,251,035	41,921,000	1,996,000	2,527,232
5	Sep 18, 2021 22:17	118,705	72,448,043	42,923,000	998,000	2,289,664
6	Sep 18, 2021 22:17	118,711	72,583,518	41,927,000	1,996,000	2,273,280
7	Sep 18, 2021 22:18	118,800	65,693,342	42,957,000	999,000	2,289,664
8	Sep 18, 2021 22:17	118,816	69,480,227	42,963,000	999,000	2,289,664
9	Sep 3, 2021 14:52	118,843	65,828,749	41,974,000	1,998,000	2,285,568
10	Sep 3, 2021 14:52	118,889	71,147,032	41,990,000	1,999,000	2,269,184
11	Sep 3, 2021 14:52	118,911	64,392,898	41,998,000	1,999,000	2,527,232
12	Sep 18, 2021 22:18	118,968	69,781,286	42,018,000	2,000,000	2,277,376
13	Sep 18, 2021 22:17	119,014	65,919,540	42,034,000	2,001,000	2,289,664
14	Sep 3, 2021 14:52	119,019	65,498,573	42,036,000	2,001,000	2,531,328
15	Sep 3, 2021 14:52	119,062	67,030,081	42,051,000	2,002,000	2,260,992
16	Sep 18, 2021 22:18	119,105	67,091,946	42,066,000	2,003,000	2,289,664
17	Sep 18, 2021 22:17	119,122	71,296,105	42,072,000	2,003,000	2,289,664
18	Sep 18, 2021 22:17	119,157	70,555,315	44,088,000	0	2,289,664
19	Sep 18, 2021 22:18	119,159	68,282,636	43,087,000	1,002,000	2,289,664
20	Sep 18, 2021 22:17	119,159	71,371,386	42,085,000	2,004,000	2,289,664
21	Sep 18, 2021 22:18	119,227	67,235,986	42,109,000	2,005,000	2,289,664
22	Sep 18, 2021 22:18	119,235	69,740,853	43,115,000	1,002,000	2,289,664
23	Sep 3, 2021 14:52	119,268	68,718,281	42,124,000	2,005,000	2,289,664
24	Sep 18, 2021 22:17	119,281	67,600,298	43,131,000	1,003,000	2,289,664
25	Sep 18, 2021 22:18	119,295	73,716,225	42,133,000	2,006,000	2,289,664
26	Sep 18, 2021 22:18	119,443	72,450,152	43,190,000	1,004,000	2,277,376
27	Sep 3, 2021 14:52	119,535	71,362,276	42,218,000	2,010,000	2,289,664
28	Sep 18, 2021 22:17	121,399	111,582,471	44,917,496	0	2,256,896
29	Sep 18, 2021 22:17	121,688	101,752,085	45,024,608	0	2,248,704
30	Sep 3, 2021 14:52	122,025	102,041,924	45,149,168	0	2,265,088
31	Sep 3, 2021 14:52	122,232	96,644,233	45,226,022	0	2,260,992
32	Sep 18, 2021 22:18	122,314	108,358,863	45,256,017	0	2,277,376
33	Sep 18, 2021 22:18	122,476	114,254,422	45,315,997	0	2,256,896
34	Sep 18, 2021 22:18	122,557	109,371,198	45,346,084	0	2,256,896
35	Sep 3, 2021 14:52	122,627	99,192,071	45,371,836	0	2,265,088
36	Sep 18, 2021 22:17	122,705	114,094,868	45,400,676	0	2,269,184

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