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 listMar 21, 2026 04:23

Josu San MartinScore: 59,508Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 21, 2026 05:18	59,038	52,487,856	19,859,000	1,985,000	2,277,376
2	Mar 21, 2026 04:31	59,051	45,597,111	19,863,000	1,986,000	2,273,280
3	Mar 21, 2026 05:18	59,084	45,760,833	19,874,000	1,987,000	2,277,376
4	Mar 21, 2026 04:31	59,092	46,185,407	19,877,000	1,987,000	2,277,376
5	Mar 21, 2026 05:18	59,105	52,617,117	19,881,000	1,988,000	2,277,376
6	Mar 21, 2026 04:31	59,116	52,977,874	19,885,000	1,988,000	2,445,312
7	Mar 21, 2026 05:09	59,119	50,709,208	19,886,000	1,988,000	2,277,376
8	Mar 21, 2026 05:09	59,130	41,707,388	20,884,000	994,000	2,441,216
9	Mar 21, 2026 05:18	59,146	53,533,881	19,895,000	1,989,000	2,527,232
10	Mar 21, 2026 05:18	59,154	52,557,564	19,898,000	1,989,000	2,433,024
11	Mar 21, 2026 04:31	59,170	53,164,532	20,851,000	1,042,000	2,437,120
12	Mar 21, 2026 04:31	59,181	49,148,483	20,855,000	1,042,000	2,445,312
13	Mar 21, 2026 05:09	59,186	46,503,915	19,909,000	1,990,000	2,437,120
14	Mar 21, 2026 05:09	59,203	51,862,320	19,914,000	1,991,000	2,539,520
15	Mar 21, 2026 05:08	59,203	45,650,897	19,914,000	1,991,000	2,539,520
16	Mar 21, 2026 05:09	59,208	52,014,830	19,916,000	1,991,000	2,539,520
17	Mar 21, 2026 04:20	59,241	47,848,397	19,927,000	1,992,000	2,539,520
18	Mar 21, 2026 04:20	59,259	49,924,950	19,933,000	1,993,000	2,445,312
19	Mar 21, 2026 04:20	59,270	46,464,146	19,937,000	1,993,000	2,453,504
20	Mar 21, 2026 05:18	59,289	48,385,846	19,943,000	1,994,000	2,539,520
21	Mar 21, 2026 05:18	59,295	49,134,658	19,945,000	1,994,000	2,539,520
22	Mar 21, 2026 05:08	59,349	46,528,137	19,963,000	1,996,000	2,445,312
23	Mar 21, 2026 04:31	59,370	44,126,709	19,970,000	1,997,000	2,531,328
24	Mar 21, 2026 04:20	59,400	46,554,003	20,979,000	999,000	2,441,216
25	Mar 21, 2026 05:09	59,403	52,383,849	19,981,000	1,998,000	2,445,312
26	Mar 21, 2026 05:08	59,508	52,841,671	20,017,000	2,001,000	2,539,520
27	Mar 21, 2026 04:31	59,514	47,250,688	20,019,000	2,001,000	2,441,216
28	Mar 21, 2026 05:09	59,570	51,508,963	20,038,000	2,003,000	2,445,312
29	Mar 21, 2026 05:08	59,584	53,928,603	20,042,000	2,004,000	2,277,376
30	Mar 21, 2026 05:08	59,700	45,229,268	20,081,000	2,008,000	2,445,312
31	Mar 21, 2026 05:09	59,703	40,411,753	20,082,000	2,008,000	2,539,520
32	Mar 21, 2026 05:18	60,597	48,419,165	21,402,000	1,019,000	2,449,408
33	Mar 21, 2026 05:08	60,676	42,771,000	21,430,000	1,020,000	2,441,216
34	Mar 21, 2026 04:23	60,792	44,867,464	22,493,000	0	2,445,312
35	Mar 21, 2026 04:20	60,808	48,838,352	21,477,000	1,022,000	2,539,520
36	Mar 21, 2026 04:31	61,257	40,187,963	21,635,000	1,030,000	2,441,216
37	Mar 21, 2026 05:09	61,735	57,287,613	20,856,000	1,986,000	2,437,120
38	Mar 21, 2026 04:20	61,789	53,091,234	21,823,000	1,039,000	2,277,376
39	Mar 21, 2026 05:09	62,930	46,975,828	21,344,000	1,940,000	2,277,376
40	Mar 21, 2026 04:31	63,373	47,464,153	22,429,000	1,019,000	2,539,520
41	Mar 21, 2026 05:09	63,603	39,934,809	23,533,000	0	2,277,376
42	Mar 21, 2026 05:09	63,722	50,810,345	23,577,000	0	2,277,376
43	Mar 21, 2026 05:09	64,435	56,400,067	22,848,000	993,000	2,281,472
44	Mar 21, 2026 04:23	64,462	59,746,474	22,858,000	993,000	2,273,280
45	Mar 21, 2026 04:23	64,792	64,788,700	22,975,000	998,000	2,281,472
46	Mar 21, 2026 04:20	65,049	58,193,407	21,180,000	2,888,000	2,273,280
47	Mar 21, 2026 04:20	65,170	48,824,870	22,259,000	1,854,000	2,281,472
48	Mar 21, 2026 05:18	65,600	53,205,687	22,250,000	2,022,000	2,273,280
49	Mar 21, 2026 04:20	65,781	55,412,592	21,419,000	2,920,000	2,273,280
50	Mar 21, 2026 05:09	66,278	54,269,452	24,523,000	0	2,449,408
51	Mar 21, 2026 05:09	67,389	51,810,255	23,937,000	997,000	2,277,376

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