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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 18:57

Andrey TsvetkovError

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Jul 13, 2021 18:57	0	0	0	0	0	Error: expected "429496431851 ", got "373661931984 "
2	Jul 13, 2021 18:59	89,192	56,356,771	32,001,000	1,000,000	2,334,720
3	Jul 13, 2021 18:57	89,249	60,486,647	31,021,000	2,001,000	2,523,136
4	Jul 13, 2021 19:02	89,257	62,545,034	30,023,000	3,002,000	2,523,136
5	Jul 13, 2021 19:02	89,357	56,454,654	31,059,000	2,003,000	2,531,328
6	Jul 13, 2021 19:02	89,400	57,383,215	30,071,000	3,007,000	2,527,232
7	Jul 13, 2021 18:59	89,589	60,910,126	30,135,000	3,013,000	2,334,720
8	Jul 13, 2021 19:02	89,614	58,595,334	31,148,000	2,009,000	2,326,528
9	Jul 13, 2021 18:59	89,638	57,463,506	30,151,000	3,015,000	2,527,232
10	Jul 13, 2021 19:02	89,651	59,267,604	32,166,000	1,005,000	2,334,720
11	Jul 13, 2021 18:59	89,681	57,981,620	31,171,000	2,011,000	2,527,232
12	Jul 13, 2021 18:57	89,703	66,121,442	31,179,000	2,011,000	2,334,720
13	Jul 13, 2021 18:57	89,703	58,463,726	31,179,000	2,011,000	2,334,720
14	Jul 13, 2021 18:59	89,727	58,044,331	31,187,000	2,012,000	2,334,720
15	Jul 13, 2021 18:59	89,816	60,505,093	30,211,000	3,021,000	2,387,968
16	Jul 13, 2021 18:57	90,030	55,749,875	31,293,000	2,018,000	2,334,720
17	Jul 13, 2021 19:02	90,086	64,545,871	30,302,000	3,030,000	2,535,424
18	Jul 13, 2021 18:57	90,214	58,762,360	30,345,000	3,034,000	2,334,720
19	Jul 13, 2021 18:57	90,238	54,984,065	31,365,000	2,023,000	2,334,720
20	Jul 13, 2021 18:59	90,411	54,246,931	30,411,000	3,041,000	2,523,136
21	Jul 13, 2021 18:59	90,514	52,191,159	32,476,000	1,014,000	2,338,816
22	Jul 13, 2021 18:57	90,624	57,665,721	31,499,000	2,032,000	2,334,720
23	Jul 13, 2021 19:02	90,724	57,558,326	32,551,000	1,017,000	2,523,136
24	Jul 13, 2021 18:57	90,908	66,357,252	31,658,000	1,978,000	2,334,720
25	Jul 13, 2021 18:59	90,976	61,873,026	32,641,000	1,020,000	2,510,848
26	Jul 13, 2021 19:02	91,022	96,101,376	33,678,047	0	2,207,744
27	Jul 13, 2021 18:57	91,105	92,782,207	33,708,786	0	2,191,360
28	Jul 13, 2021 19:02	91,122	61,179,375	31,672,000	2,043,000	2,326,528
29	Jul 13, 2021 18:55	91,124	96,089,975	33,715,986	0	2,191,360
30	Jul 13, 2021 19:02	91,164	94,843,813	33,730,725	0	2,191,360
31	Jul 13, 2021 18:59	91,212	93,431,065	33,748,426	0	2,203,648
32	Jul 13, 2021 18:55	91,251	90,462,150	33,762,831	0	2,199,552
33	Jul 13, 2021 18:59	91,332	84,317,103	33,792,838	0	2,199,552
34	Jul 13, 2021 19:02	91,473	59,778,541	31,855,000	1,990,000	2,334,720
35	Jul 13, 2021 18:57	91,516	59,922,352	31,870,000	1,991,000	2,531,328
36	Jul 13, 2021 18:57	91,697	110,842,770	33,927,944	0	2,199,552
37	Jul 13, 2021 19:02	91,823	94,149,126	33,974,447	0	2,207,744
38	Jul 13, 2021 18:59	92,194	94,466,876	34,111,907	0	2,191,360
39	Jul 13, 2021 18:55	92,683	101,098,530	34,292,562	0	2,203,648
40	Jul 13, 2021 18:57	94,060	111,398,306	34,802,064	0	2,203,648

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