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 26, 2024 22:47

Yuriy LyfenkoScore: 59,532Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 26, 2024 22:46	59,208	548,754,180	19,916,000	1,991,000	2,531,328
2	Jul 26, 2024 22:47	59,224	548,278,708	19,921,000	1,992,000	2,269,184
3	Jul 26, 2024 22:46	59,286	546,297,610	19,942,000	1,994,000	2,273,280
4	Jul 26, 2024 22:46	59,289	543,585,240	19,943,000	1,994,000	2,535,424
5	Jul 26, 2024 22:41	59,305	546,127,414	19,949,000	1,994,000	2,437,120
6	Jul 26, 2024 22:47	59,319	544,654,081	19,953,000	1,995,000	2,269,184
7	Jul 26, 2024 22:47	59,327	549,351,691	19,956,000	1,995,000	2,535,424
8	Jul 26, 2024 22:41	59,359	544,217,716	19,967,000	1,996,000	2,531,328
9	Jul 26, 2024 22:47	59,365	544,983,176	19,969,000	1,996,000	2,273,280
10	Jul 26, 2024 22:47	59,381	543,125,325	19,974,000	1,997,000	2,531,328
11	Jul 26, 2024 22:46	59,408	546,736,223	19,983,000	1,998,000	2,531,328
12	Jul 26, 2024 22:47	59,422	540,054,760	19,988,000	1,998,000	2,273,280
13	Jul 26, 2024 22:41	59,430	544,503,673	19,990,000	1,999,000	2,269,184
14	Jul 26, 2024 22:47	59,430	543,608,298	19,990,000	1,999,000	2,531,328
15	Jul 26, 2024 22:47	59,430	546,092,946	19,990,000	1,999,000	2,269,184
16	Jul 26, 2024 22:47	59,438	547,576,516	19,993,000	1,999,000	2,273,280
17	Jul 26, 2024 22:47	59,441	544,991,060	20,946,000	1,047,000	2,535,424
18	Jul 26, 2024 22:47	59,454	544,366,620	19,999,000	1,999,000	2,531,328
19	Jul 26, 2024 22:41	59,465	548,308,341	20,002,000	2,000,000	2,531,328
20	Jul 26, 2024 22:47	59,470	541,171,382	20,004,000	2,000,000	2,531,328
21	Jul 26, 2024 22:47	59,478	544,046,846	20,007,000	2,000,000	2,269,184
22	Jul 26, 2024 22:46	59,489	553,647,140	20,010,000	2,001,000	2,269,184
23	Jul 26, 2024 22:46	59,497	544,855,943	20,013,000	2,001,000	2,437,120
24	Jul 26, 2024 22:47	59,500	541,204,074	20,014,000	2,001,000	2,535,424
25	Jul 26, 2024 22:47	59,503	548,706,043	20,015,000	2,001,000	2,531,328
26	Jul 26, 2024 22:41	59,505	544,310,918	20,016,000	2,001,000	2,531,328
27	Jul 26, 2024 22:41	59,505	540,127,940	20,016,000	2,001,000	2,269,184
28	Jul 26, 2024 22:47	59,511	544,790,989	20,018,000	2,001,000	2,269,184
29	Jul 26, 2024 22:47	59,514	542,681,208	20,019,000	2,001,000	2,531,328
30	Jul 26, 2024 22:47	59,524	544,509,317	20,022,000	2,002,000	2,535,424
31	Jul 26, 2024 22:47	59,532	547,042,127	20,025,000	2,002,000	2,269,184
32	Jul 26, 2024 22:47	59,538	545,264,766	20,027,000	2,002,000	2,269,184
33	Jul 26, 2024 22:47	59,554	547,100,227	20,986,000	1,049,000	2,531,328
34	Jul 26, 2024 22:46	59,559	546,892,947	20,034,000	2,003,000	2,428,928
35	Jul 26, 2024 22:47	59,568	555,679,202	20,037,000	2,003,000	2,531,328
36	Jul 26, 2024 22:41	59,568	543,778,288	20,037,000	2,003,000	2,531,328
37	Jul 26, 2024 22:47	59,589	544,094,868	20,044,000	2,004,000	2,269,184
38	Jul 26, 2024 22:47	59,600	542,909,029	20,048,000	2,004,000	2,531,328
39	Jul 26, 2024 22:41	59,624	545,829,240	20,056,000	2,005,000	2,531,328
40	Jul 26, 2024 22:47	59,654	543,359,458	20,066,000	2,006,000	2,428,928
41	Jul 26, 2024 22:41	59,668	541,259,200	20,070,000	2,007,000	2,531,328
42	Jul 26, 2024 22:47	59,703	548,444,543	20,082,000	2,008,000	2,531,328
43	Jul 26, 2024 22:47	59,705	544,810,015	20,083,000	2,008,000	2,531,328
44	Jul 26, 2024 22:46	59,714	548,755,471	20,086,000	2,008,000	2,269,184
45	Jul 26, 2024 22:46	59,714	543,221,736	21,090,000	1,004,000	2,531,328
46	Jul 26, 2024 22:47	62,268	587,614,821	23,039,085	0	2,248,704
47	Jul 26, 2024 22:41	62,324	593,955,283	23,060,031	0	2,252,800
48	Jul 26, 2024 22:47	62,328	583,544,564	23,061,259	0	2,252,800
49	Jul 26, 2024 22:41	62,357	588,988,147	23,072,100	0	2,252,800
50	Jul 26, 2024 22:47	62,432	588,291,866	23,099,676	0	2,248,704
51	Jul 26, 2024 22:47	62,451	597,704,412	23,106,957	0	2,293,760
52	Jul 26, 2024 22:46	62,476	590,275,186	23,116,208	0	2,297,856
53	Jul 26, 2024 22:47	62,498	581,113,167	23,124,221	0	2,252,800
54	Jul 26, 2024 22:47	62,499	589,510,096	23,124,649	0	2,248,704
55	Jul 26, 2024 22:46	62,513	599,034,083	23,129,639	0	2,248,704
56	Jul 26, 2024 22:47	62,537	589,638,053	23,138,616	0	2,252,800
57	Jul 26, 2024 22:47	62,550	591,726,703	23,143,512	0	2,252,800
58	Jul 26, 2024 22:47	62,556	589,660,512	23,145,696	0	2,285,568
59	Jul 26, 2024 22:41	62,605	601,345,547	23,163,734	0	2,256,896
60	Jul 26, 2024 22:46	62,704	599,964,673	23,200,558	0	2,297,856

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