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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 listApr 9, 2023 20:16

Franek KortaScore: 84,376Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 9, 2023 20:20	80,732	57,411,107	26,884,000	2,987,000	2,424,832
2	Apr 9, 2023 20:20	80,922	50,569,599	26,947,000	2,994,000	2,269,184
3	Apr 9, 2023 20:19	81,032	52,895,257	28,983,000	999,000	2,424,832
4	Apr 9, 2023 20:19	81,284	52,810,436	29,073,000	1,002,000	2,428,928
5	Apr 9, 2023 20:19	81,305	51,811,038	29,081,000	1,002,000	2,428,928
6	Apr 9, 2023 20:19	81,676	57,721,760	29,213,000	1,007,000	2,269,184
7	Apr 9, 2023 20:20	81,746	54,090,325	29,238,000	1,008,000	2,428,928
8	Apr 9, 2023 20:20	81,792	50,529,840	29,255,000	1,008,000	2,527,232
9	Apr 9, 2023 20:20	82,038	52,063,594	30,354,000	0	2,527,232
10	Apr 9, 2023 20:19	82,262	54,207,174	28,338,000	2,099,000	2,531,328
11	Apr 9, 2023 20:20	82,432	57,702,376	30,500,000	0	2,531,328
12	Apr 9, 2023 20:20	82,473	53,787,575	30,515,000	0	2,527,232
13	Apr 9, 2023 20:19	82,622	50,544,737	29,551,000	1,019,000	2,527,232
14	Apr 9, 2023 20:20	83,343	61,110,873	29,843,000	994,000	2,527,232
15	Apr 9, 2023 20:19	83,346	53,610,343	29,844,000	994,000	2,527,232
16	Apr 9, 2023 20:19	83,435	59,272,184	28,880,000	1,991,000	2,424,832
17	Apr 9, 2023 20:19	83,837	105,840,912	31,019,759	0	2,293,760
18	Apr 9, 2023 20:19	84,195	58,557,623	29,143,000	2,009,000	2,433,024
19	Apr 9, 2023 20:20	84,376	51,630,837	26,184,000	5,035,000	2,428,928
20	Apr 9, 2023 20:19	85,571	85,337,197	31,661,275	0	2,297,856
21	Apr 9, 2023 20:20	86,631	88,457,099	32,053,497	0	2,289,664
22	Apr 9, 2023 20:19	87,299	97,188,035	32,300,730	0	2,289,664
23	Apr 9, 2023 20:20	87,763	112,208,022	32,472,487	0	2,170,880
24	Apr 9, 2023 20:20	89,608	100,177,352	33,154,864	0	2,293,760
25	Apr 9, 2023 20:16	110,878	63,900,243	40,025,000	1,000,000	2,433,024
26	Apr 9, 2023 20:16	112,073	61,867,897	41,467,000	0	2,527,232
27	Apr 9, 2023 20:16	112,962	64,904,500	39,806,000	1,990,000	2,424,832
28	Apr 9, 2023 20:16	113,759	67,977,565	39,085,000	3,006,000	2,420,736
29	Apr 9, 2023 20:16	114,230	66,435,962	40,253,000	2,012,000	2,428,928
30	Apr 9, 2023 20:16	114,446	71,159,574	41,337,000	1,008,000	2,531,328
31	Apr 9, 2023 20:16	115,754	68,957,558	40,790,000	2,039,000	2,437,120
32	Apr 9, 2023 20:16	115,892	67,578,621	42,880,000	0	2,428,928
33	Apr 9, 2023 20:16	117,355	111,545,465	43,421,411	0	2,293,760
34	Apr 9, 2023 20:16	118,234	109,693,421	43,746,418	0	2,179,072
35	Apr 9, 2023 20:16	118,714	116,049,013	43,924,128	0	2,170,880
36	Apr 9, 2023 20:16	119,732	65,117,091	42,241,000	2,060,000	2,531,328

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