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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 15, 2021 22:56

Yurkov AlekseyScore: 98,724Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 15, 2021 23:38	97,595	61,898,062	35,107,000	1,003,000	2,269,184
2	Jul 15, 2021 23:38	97,641	59,990,455	34,120,000	2,007,000	2,289,664
3	Jul 15, 2021 23:38	97,643	57,428,310	35,125,000	1,003,000	2,371,584
4	Jul 15, 2021 23:38	97,727	60,805,496	34,151,000	2,008,000	2,289,664
5	Jul 15, 2021 23:38	97,808	58,126,910	35,184,000	1,005,000	2,289,664
6	Jul 15, 2021 23:38	97,808	59,607,756	34,179,000	2,010,000	2,289,664
7	Jul 15, 2021 23:38	97,951	58,482,105	34,229,000	2,013,000	2,289,664
8	Jul 15, 2021 22:56	97,957	57,389,166	34,231,000	2,013,000	2,531,328
9	Jul 15, 2021 22:56	97,959	58,497,975	35,239,000	1,006,000	2,281,472
10	Jul 15, 2021 22:56	98,016	60,050,736	34,252,000	2,014,000	2,289,664
11	Jul 15, 2021 23:38	98,165	62,759,157	35,313,000	1,008,000	2,289,664
12	Jul 15, 2021 23:38	98,224	59,688,653	34,324,000	2,019,000	2,289,664
13	Jul 15, 2021 23:38	98,289	57,862,050	34,347,000	2,020,000	2,269,184
14	Jul 15, 2021 23:38	98,335	61,578,862	35,401,000	983,000	2,277,376
15	Jul 15, 2021 22:56	98,527	59,140,463	35,443,000	1,012,000	2,289,664
16	Jul 15, 2021 23:38	98,595	63,475,574	35,467,000	1,013,000	2,289,664
17	Jul 15, 2021 23:38	98,643	59,019,798	35,485,000	1,013,000	2,281,472
18	Jul 15, 2021 23:38	98,659	63,780,201	35,490,000	1,014,000	2,289,664
19	Jul 15, 2021 22:56	98,724	58,761,627	35,514,000	1,014,000	2,281,472
20	Jul 15, 2021 22:56	98,738	58,252,890	35,519,000	1,014,000	2,277,376
21	Jul 15, 2021 22:56	98,757	60,796,703	35,525,000	1,015,000	2,273,280
22	Jul 15, 2021 23:38	98,759	65,441,099	36,541,000	0	2,273,280
23	Jul 15, 2021 23:38	98,859	57,441,509	35,562,000	1,016,000	2,289,664
24	Jul 15, 2021 22:56	98,862	64,333,421	36,579,000	0	2,289,664
25	Jul 15, 2021 22:56	98,959	66,404,617	35,598,000	1,017,000	2,289,664
26	Jul 15, 2021 23:38	98,975	106,718,960	36,620,646	0	2,269,184
27	Jul 15, 2021 23:38	99,014	69,134,624	36,635,000	0	2,396,160
28	Jul 15, 2021 23:38	99,086	102,079,074	36,661,775	0	2,256,896
29	Jul 15, 2021 23:38	99,535	64,666,569	35,833,000	995,000	2,289,664
30	Jul 15, 2021 22:56	99,539	105,203,136	36,829,390	0	2,260,992
31	Jul 15, 2021 23:38	99,712	103,570,762	36,893,493	0	2,256,896
32	Jul 15, 2021 22:56	99,763	93,040,197	36,912,368	0	2,273,280
33	Jul 15, 2021 23:38	99,888	106,416,428	36,958,503	0	2,248,704
34	Jul 15, 2021 23:38	99,959	91,507,658	36,984,687	0	2,256,896
35	Jul 15, 2021 22:56	100,152	108,073,827	37,056,147	0	2,256,896
36	Jul 15, 2021 23:38	100,437	104,082,413	37,161,681	0	2,269,184

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