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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 10:18

Andrey TsvetkovScore: 121,208Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 10:22	119,616	68,563,941	41,241,000	3,017,000	2,519,040
2	Jul 13, 2021 10:11	119,851	65,447,056	42,330,000	2,015,000	2,334,720
3	Jul 13, 2021 10:11	120,095	65,282,040	43,426,000	1,009,000	2,531,328
4	Jul 13, 2021 10:22	120,149	61,596,929	42,435,000	2,020,000	2,527,232
5	Jul 13, 2021 10:22	120,162	69,165,536	43,450,000	1,010,000	2,334,720
6	Jul 13, 2021 10:11	120,208	64,767,257	42,456,000	2,021,000	2,334,720
7	Jul 13, 2021 10:22	120,308	66,664,526	42,491,000	2,023,000	2,334,720
8	Jul 13, 2021 10:11	120,384	64,152,891	42,518,000	2,024,000	2,527,232
9	Jul 13, 2021 10:18	120,400	74,022,858	43,536,000	1,012,000	2,334,720
10	Jul 13, 2021 10:18	120,614	73,780,466	44,627,000	0	2,334,720
11	Jul 13, 2021 10:18	120,619	70,810,420	43,615,000	1,014,000	2,531,328
12	Jul 13, 2021 10:22	120,638	70,909,516	43,622,000	1,014,000	2,334,720
13	Jul 13, 2021 10:22	120,722	69,338,568	42,637,000	2,030,000	2,334,720
14	Jul 13, 2021 10:18	120,784	69,140,459	43,675,000	1,015,000	2,334,720
15	Jul 13, 2021 10:11	120,800	73,919,765	43,681,000	1,015,000	2,527,232
16	Jul 13, 2021 10:11	120,870	71,826,537	41,741,000	2,981,000	2,531,328
17	Jul 13, 2021 10:22	121,184	71,211,606	42,846,000	1,992,000	2,523,136
18	Jul 13, 2021 10:11	121,189	78,117,219	42,848,000	1,992,000	2,531,328
19	Jul 13, 2021 10:18	121,208	71,349,385	42,854,000	1,993,000	2,334,720
20	Jul 13, 2021 10:18	121,216	69,447,474	42,857,000	1,993,000	2,334,720
21	Jul 13, 2021 10:18	121,219	74,702,908	41,861,000	2,990,000	2,523,136
22	Jul 13, 2021 10:22	121,224	71,395,420	41,863,000	2,990,000	2,523,136
23	Jul 13, 2021 10:18	121,265	73,113,910	42,874,000	1,994,000	2,322,432
24	Jul 13, 2021 10:11	121,362	71,493,194	41,911,000	2,993,000	2,531,328
25	Jul 13, 2021 10:22	121,722	111,742,299	45,037,141	0	2,207,744
26	Jul 13, 2021 10:22	121,797	71,665,958	42,061,000	3,004,000	2,531,328
27	Jul 13, 2021 10:18	121,853	110,279,798	45,085,652	0	2,203,648
28	Jul 13, 2021 10:11	122,203	70,134,190	42,201,000	3,014,000	2,334,720
29	Jul 13, 2021 10:18	122,219	73,421,594	42,207,000	3,014,000	2,527,232
30	Jul 13, 2021 10:11	122,369	104,720,899	45,276,513	0	2,207,744
31	Jul 13, 2021 10:22	122,400	107,330,988	45,288,043	0	2,211,840
32	Jul 13, 2021 10:18	122,479	98,720,653	45,317,140	0	2,207,744
33	Jul 13, 2021 10:11	122,564	108,639,767	45,348,812	0	2,215,936
34	Jul 13, 2021 10:22	122,641	115,644,278	45,377,152	0	2,211,840
35	Jul 13, 2021 10:18	123,027	106,558,130	45,519,913	0	2,215,936
36	Jul 13, 2021 10:11	123,468	126,045,614	45,683,332	0	2,207,744

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