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.

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Andrey TsvetkovError

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Jul 18, 2021 22:07	0	0	0	0	0	Error: expected "429496424249 ", got "390841766629"
2	Jul 18, 2021 22:06	0	0	0	0	0	Error: expected "429496421583 ", got "347892150479"
3	Jul 18, 2021 22:06	84,827	54,261,075	28,349,000	3,037,000	2,293,760
4	Jul 18, 2021 22:06	84,851	56,192,580	28,357,000	3,038,000	2,301,952
5	Jul 18, 2021 22:06	84,897	51,254,520	29,386,000	2,026,000	2,420,736
6	Jul 18, 2021 22:05	84,924	55,529,422	30,409,000	1,013,000	2,342,912
7	Jul 18, 2021 22:05	84,941	57,149,832	29,401,000	2,027,000	2,342,912
8	Jul 18, 2021 22:05	84,959	57,213,765	29,407,000	2,028,000	2,342,912
9	Jul 18, 2021 22:04	84,965	54,239,763	29,409,000	2,028,000	2,342,912
10	Jul 18, 2021 22:04	84,997	57,258,121	30,435,000	1,014,000	2,342,912
11	Jul 18, 2021 22:05	85,011	53,025,383	30,440,000	1,014,000	2,297,856
12	Jul 18, 2021 22:05	85,011	58,924,494	30,440,000	1,014,000	2,301,952
13	Jul 18, 2021 22:04	85,030	55,241,551	29,432,000	2,029,000	2,301,952
14	Jul 18, 2021 22:05	85,041	58,984,723	29,435,000	2,030,000	2,293,760
15	Jul 18, 2021 22:05	85,054	56,940,928	30,455,000	1,015,000	2,301,952
16	Jul 18, 2021 22:06	85,086	53,778,810	29,451,000	2,031,000	2,342,912
17	Jul 18, 2021 22:05	85,095	51,344,187	29,454,000	2,031,000	2,342,912
18	Jul 18, 2021 22:05	85,103	52,908,583	30,473,000	1,015,000	2,342,912
19	Jul 18, 2021 22:04	85,173	55,102,097	30,498,000	1,016,000	2,293,760
20	Jul 18, 2021 22:06	85,197	56,907,025	29,490,000	2,033,000	2,306,048
21	Jul 18, 2021 22:05	85,216	51,141,973	30,513,000	1,017,000	2,301,952
22	Jul 18, 2021 22:05	85,227	55,575,196	30,517,000	1,017,000	2,433,024
23	Jul 18, 2021 22:04	85,241	54,480,959	30,522,000	1,017,000	2,342,912
24	Jul 18, 2021 22:05	85,276	54,357,575	30,535,000	1,017,000	2,437,120
25	Jul 18, 2021 22:04	85,284	59,086,496	30,538,000	1,017,000	2,441,216
26	Jul 18, 2021 22:06	85,324	59,522,257	30,552,000	1,018,000	2,306,048
27	Jul 18, 2021 22:06	85,686	58,157,094	29,659,000	2,045,000	2,297,856
28	Jul 18, 2021 22:04	85,716	66,205,043	30,692,000	1,023,000	2,301,952
29	Jul 18, 2021 22:04	85,968	57,348,464	28,826,000	2,982,000	2,306,048
30	Jul 18, 2021 22:05	85,976	55,027,197	28,829,000	2,982,000	2,342,912
31	Jul 18, 2021 22:05	85,992	57,573,640	28,835,000	2,982,000	2,301,952
32	Jul 18, 2021 22:05	86,030	68,549,325	29,842,000	1,989,000	2,342,912
33	Jul 18, 2021 22:05	86,057	58,145,733	29,851,000	1,990,000	2,301,952
34	Jul 18, 2021 22:04	86,070	54,592,841	30,851,000	995,000	2,342,912
35	Jul 18, 2021 22:05	86,092	59,970,127	28,868,000	2,986,000	2,297,856
36	Jul 18, 2021 22:06	86,095	58,110,289	30,860,000	995,000	2,310,144
37	Jul 18, 2021 22:05	86,105	62,826,181	29,868,000	1,991,000	2,342,912
38	Jul 18, 2021 22:06	86,151	61,979,598	28,888,000	2,988,000	2,289,664
39	Jul 18, 2021 22:08	88,344	134,067,436	32,687,362	0	2,232,320
40	Jul 18, 2021 22:08	88,350	96,328,374	32,689,405	0	2,252,800
41	Jul 18, 2021 22:08	88,427	100,689,948	32,718,004	0	2,236,416
42	Jul 18, 2021 22:09	88,432	93,398,465	32,719,818	0	2,244,608
43	Jul 18, 2021 22:06	88,533	106,131,800	32,757,392	0	2,248,704
44	Jul 18, 2021 22:09	88,537	95,407,177	32,758,874	0	2,244,608
45	Jul 18, 2021 22:06	88,564	86,357,974	32,768,721	0	2,248,704
46	Jul 18, 2021 22:06	88,598	99,433,842	32,781,168	0	2,244,608
47	Jul 18, 2021 22:06	88,612	88,821,606	32,786,527	0	2,240,512
48	Jul 18, 2021 22:09	88,662	109,281,982	32,804,790	0	2,248,704
49	Jul 18, 2021 22:04	88,685	90,288,163	32,813,621	0	2,248,704
50	Jul 18, 2021 22:09	88,706	85,605,597	32,821,248	0	2,252,800
51	Jul 18, 2021 22:05	88,807	99,266,374	32,858,569	0	2,232,320
52	Jul 18, 2021 22:06	88,829	92,042,143	32,866,714	0	2,236,416
53	Jul 18, 2021 22:04	88,842	96,522,923	32,871,628	0	2,240,512
54	Jul 18, 2021 22:06	88,843	118,798,376	32,871,755	0	2,252,800
55	Jul 18, 2021 22:05	88,848	91,645,470	32,873,723	0	2,256,896
56	Jul 18, 2021 22:08	88,856	90,455,696	32,876,622	0	2,236,416
57	Jul 18, 2021 22:05	88,932	87,189,860	32,904,963	0	2,248,704
58	Jul 18, 2021 22:08	88,940	114,034,652	32,907,953	0	2,240,512
59	Jul 18, 2021 22:09	89,143	99,687,069	32,982,833	0	2,252,800
60	Jul 18, 2021 22:05	89,175	84,620,834	32,994,595	0	2,240,512
61	Jul 18, 2021 22:08	89,209	123,396,962	33,007,351	0	2,256,896
62	Jul 18, 2021 22:06	89,341	101,782,491	33,056,023	0	2,244,608
63	Jul 18, 2021 22:08	89,355	94,119,592	33,061,284	0	2,244,608
64	Jul 18, 2021 22:08	89,405	94,784,798	33,079,939	0	2,240,512
65	Jul 18, 2021 22:06	89,406	110,578,843	33,080,164	0	2,248,704
66	Jul 18, 2021 22:08	89,455	91,260,590	33,098,471	0	2,252,800
67	Jul 18, 2021 22:06	89,494	103,437,002	33,112,623	0	2,236,416
68	Jul 18, 2021 22:05	89,625	98,818,982	33,161,242	0	2,228,224
69	Jul 18, 2021 22:05	89,764	101,983,034	33,212,519	0	2,244,608
70	Jul 18, 2021 22:04	89,870	110,103,878	33,252,001	0	2,248,704
71	Jul 18, 2021 22:09	89,949	98,509,166	33,280,990	0	2,236,416

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