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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 14, 2021 12:16

Andrey TsvetkovScore: 88,301Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 14, 2021 12:16	84,624	54,156,085	29,291,000	2,020,000	2,502,656
2	Jul 14, 2021 10:28	84,657	54,449,753	28,292,000	3,031,000	2,334,720
3	Jul 14, 2021 12:16	84,868	58,924,239	28,363,000	3,038,000	2,334,720
4	Jul 14, 2021 12:16	84,881	53,261,155	30,393,000	1,013,000	2,510,848
5	Jul 14, 2021 10:28	84,932	57,093,567	30,412,000	1,013,000	2,334,720
6	Jul 14, 2021 12:16	85,000	51,279,895	30,436,000	1,014,000	2,494,464
7	Jul 14, 2021 10:28	85,041	52,942,901	30,450,000	1,015,000	2,367,488
8	Jul 14, 2021 10:28	85,119	55,434,172	29,463,000	2,031,000	2,506,752
9	Jul 14, 2021 10:28	85,154	55,152,244	30,491,000	1,016,000	2,502,656
10	Jul 14, 2021 10:28	85,214	54,837,141	29,495,000	2,034,000	2,334,720
11	Jul 14, 2021 12:16	85,354	58,188,921	30,563,000	1,018,000	2,494,464
12	Jul 14, 2021 12:16	85,549	57,595,567	31,653,000	0	2,314,240
13	Jul 14, 2021 12:16	85,603	63,925,786	30,652,000	1,021,000	2,326,528
14	Jul 14, 2021 12:16	86,070	60,551,523	28,861,000	2,985,000	2,334,720
15	Jul 14, 2021 12:16	86,076	60,339,679	28,863,000	2,985,000	2,334,720
16	Jul 14, 2021 10:28	86,089	55,139,132	28,867,000	2,986,000	2,334,720
17	Jul 14, 2021 10:28	86,097	57,257,271	29,865,000	1,991,000	2,498,560
18	Jul 14, 2021 10:28	86,149	66,424,160	29,883,000	1,992,000	2,334,720
19	Jul 14, 2021 10:45	88,143	93,422,777	32,612,851	0	2,301,952
20	Jul 14, 2021 10:28	88,154	88,654,804	32,616,836	0	2,306,048
21	Jul 14, 2021 12:15	88,208	86,303,965	32,636,983	0	2,179,072
22	Jul 14, 2021 10:50	88,301	96,739,366	32,671,365	0	2,179,072
23	Jul 14, 2021 12:15	88,369	92,221,107	32,696,662	0	2,179,072
24	Jul 14, 2021 10:28	88,394	101,714,933	32,705,964	0	2,179,072
25	Jul 14, 2021 12:16	88,396	110,444,612	32,706,615	0	2,179,072
26	Jul 14, 2021 10:45	88,426	105,493,721	32,717,771	0	2,301,952
27	Jul 14, 2021 12:15	88,432	104,810,554	32,719,781	0	2,301,952
28	Jul 14, 2021 12:15	88,457	103,381,972	32,729,123	0	2,174,976
29	Jul 14, 2021 10:50	88,469	90,459,590	32,733,534	0	2,183,168
30	Jul 14, 2021 12:16	88,636	90,957,684	32,795,232	0	2,179,072
31	Jul 14, 2021 10:28	88,642	97,795,836	32,797,402	0	2,179,072
32	Jul 14, 2021 10:26	88,690	109,170,267	32,815,296	0	2,187,264
33	Jul 14, 2021 10:26	88,758	104,234,310	32,840,395	0	2,187,264
34	Jul 14, 2021 10:28	88,831	96,467,370	32,867,478	0	2,183,168
35	Jul 14, 2021 12:16	88,878	82,308,100	32,884,967	0	2,306,048
36	Jul 14, 2021 12:15	88,995	91,769,244	32,928,216	0	2,191,360
37	Jul 14, 2021 10:28	88,996	90,744,861	32,928,683	0	2,187,264
38	Jul 14, 2021 10:45	89,073	90,224,159	32,956,865	0	2,183,168
39	Jul 14, 2021 12:15	89,127	92,352,716	32,977,050	0	2,183,168
40	Jul 14, 2021 10:26	89,161	91,835,669	32,989,424	0	2,179,072
41	Jul 14, 2021 10:28	89,259	119,324,896	33,025,959	0	2,183,168
42	Jul 14, 2021 10:50	89,351	99,187,940	33,059,853	0	2,306,048

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