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 13, 2021 11:00

Andrey TsvetkovScore: 96,205Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 11:08	95,432	63,146,509	33,293,000	2,017,000	2,334,720
2	Jul 13, 2021 10:59	95,446	60,617,562	32,288,000	3,027,000	2,523,136
3	Jul 13, 2021 11:08	95,465	60,343,952	32,295,000	3,027,000	2,523,136
4	Jul 13, 2021 10:45	95,465	60,174,603	32,295,000	3,027,000	2,334,720
5	Jul 13, 2021 11:00	95,470	56,542,461	32,297,000	3,027,000	2,523,136
6	Jul 13, 2021 10:36	95,622	61,407,721	32,348,000	3,032,000	2,527,232
7	Jul 13, 2021 11:04	95,654	57,948,719	33,370,000	2,022,000	2,514,944
8	Jul 13, 2021 10:59	95,659	58,436,360	33,372,000	2,022,000	2,527,232
9	Jul 13, 2021 11:00	95,686	58,103,960	34,393,000	1,011,000	2,527,232
10	Jul 13, 2021 10:36	95,689	55,885,777	32,371,000	3,034,000	2,531,328
11	Jul 13, 2021 11:04	95,692	59,747,627	32,372,000	3,034,000	2,334,720
12	Jul 13, 2021 10:45	95,746	67,006,033	34,414,000	1,012,000	2,523,136
13	Jul 13, 2021 11:08	95,759	60,826,754	34,419,000	1,012,000	2,527,232
14	Jul 13, 2021 11:00	95,816	58,003,326	33,427,000	2,025,000	2,523,136
15	Jul 13, 2021 10:59	95,819	60,831,611	34,441,000	1,012,000	2,396,160
16	Jul 13, 2021 11:04	95,819	59,780,741	33,428,000	2,025,000	2,523,136
17	Jul 13, 2021 10:36	95,819	56,992,097	33,428,000	2,025,000	2,519,040
18	Jul 13, 2021 10:36	95,819	61,303,292	34,441,000	1,012,000	2,523,136
19	Jul 13, 2021 10:59	95,824	60,362,566	34,442,000	1,013,000	2,531,328
20	Jul 13, 2021 10:45	95,843	59,094,674	34,449,000	1,013,000	2,523,136
21	Jul 13, 2021 10:45	95,873	55,846,207	33,446,000	2,027,000	2,519,040
22	Jul 13, 2021 11:04	95,884	55,746,811	34,464,000	1,013,000	2,531,328
23	Jul 13, 2021 10:36	95,930	60,362,214	34,480,000	1,014,000	2,334,720
24	Jul 13, 2021 11:08	95,943	57,592,139	33,471,000	2,028,000	2,527,232
25	Jul 13, 2021 11:04	95,957	60,104,528	33,476,000	2,028,000	2,531,328
26	Jul 13, 2021 11:08	95,986	59,364,407	34,501,000	1,014,000	2,334,720
27	Jul 13, 2021 10:59	95,989	59,259,680	35,516,000	0	2,519,040
28	Jul 13, 2021 10:45	95,992	63,955,289	34,503,000	1,014,000	2,531,328
29	Jul 13, 2021 11:08	95,997	61,105,494	33,490,000	2,029,000	2,334,720
30	Jul 13, 2021 11:00	96,016	57,027,170	34,511,000	1,015,000	2,334,720
31	Jul 13, 2021 11:00	96,030	59,450,959	33,501,000	2,030,000	2,527,232
32	Jul 13, 2021 10:36	96,097	60,366,409	33,525,000	2,031,000	2,523,136
33	Jul 13, 2021 11:04	96,111	58,542,664	35,561,000	0	2,334,720
34	Jul 13, 2021 11:00	96,111	63,023,843	34,545,000	1,016,000	2,514,944
35	Jul 13, 2021 10:45	96,143	58,259,473	34,557,000	1,016,000	2,334,720
36	Jul 13, 2021 10:59	96,181	63,658,326	34,571,000	1,016,000	2,334,720
37	Jul 13, 2021 11:04	96,205	65,268,689	33,562,000	2,034,000	2,334,720
38	Jul 13, 2021 11:08	96,216	60,041,022	34,583,000	1,017,000	2,334,720
39	Jul 13, 2021 10:45	96,230	61,818,396	33,571,000	2,034,000	2,334,720
40	Jul 13, 2021 10:36	96,270	66,870,796	33,585,000	2,035,000	2,514,944
41	Jul 13, 2021 10:45	96,305	60,815,505	34,615,000	1,018,000	2,334,720
42	Jul 13, 2021 10:59	96,308	66,908,929	33,598,000	2,036,000	2,531,328
43	Jul 13, 2021 11:04	96,319	63,138,839	33,602,000	2,036,000	2,519,040
44	Jul 13, 2021 10:59	96,330	64,958,654	33,606,000	2,036,000	2,523,136
45	Jul 13, 2021 10:36	96,384	70,833,562	33,625,000	2,037,000	2,531,328
46	Jul 13, 2021 10:36	96,424	61,243,782	33,639,000	2,038,000	2,527,232
47	Jul 13, 2021 11:08	96,427	62,167,852	34,659,000	1,019,000	2,334,720
48	Jul 13, 2021 11:08	96,427	60,602,457	34,659,000	1,019,000	2,392,064
49	Jul 13, 2021 10:59	96,438	64,329,106	33,643,000	2,039,000	2,523,136
50	Jul 13, 2021 11:00	96,478	59,340,130	34,678,000	1,019,000	2,527,232
51	Jul 13, 2021 10:45	96,532	61,425,856	33,676,000	2,041,000	2,367,488
52	Jul 13, 2021 11:00	96,805	61,416,686	33,829,000	1,989,000	2,334,720
53	Jul 13, 2021 11:00	96,819	65,323,463	32,838,000	2,985,000	2,527,232
54	Jul 13, 2021 11:04	96,919	64,874,251	33,868,000	1,992,000	2,334,720
55	Jul 13, 2021 10:36	98,872	96,071,420	36,582,683	0	2,211,840
56	Jul 13, 2021 10:45	98,886	96,545,850	36,587,679	0	2,207,744
57	Jul 13, 2021 11:08	98,957	100,395,167	36,614,229	0	2,207,744
58	Jul 13, 2021 11:00	99,008	116,507,397	36,632,880	0	2,203,648
59	Jul 13, 2021 10:59	99,037	101,436,692	36,643,674	0	2,195,456
60	Jul 13, 2021 11:00	99,076	108,609,321	36,658,233	0	2,207,744
61	Jul 13, 2021 10:36	99,091	97,054,156	36,663,735	0	2,207,744
62	Jul 13, 2021 11:04	99,165	104,105,909	36,690,941	0	2,203,648
63	Jul 13, 2021 10:59	99,178	100,783,984	36,695,996	0	2,211,840
64	Jul 13, 2021 11:04	99,187	105,267,768	36,699,341	0	2,203,648
65	Jul 13, 2021 10:45	99,432	103,388,324	36,789,892	0	2,199,552
66	Jul 13, 2021 11:08	99,521	110,246,306	36,822,609	0	2,203,648
67	Jul 13, 2021 11:00	99,569	113,988,955	36,840,555	0	2,207,744
68	Jul 13, 2021 10:45	99,576	96,038,341	36,842,970	0	2,203,648
69	Jul 13, 2021 11:08	99,577	102,083,745	36,843,340	0	2,191,360
70	Jul 13, 2021 10:36	99,684	98,227,774	36,883,071	0	2,199,552
71	Jul 13, 2021 11:04	99,734	90,531,333	36,901,424	0	2,199,552
72	Jul 13, 2021 10:59	99,846	98,385,786	36,942,973	0	2,191,360

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