TopK

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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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.

Date	Author	Language	Status	Score
Mar 15, 2026 23:24	Dominique Garmier	CPPg++13.3.0	Success	70,857
Mar 15, 2026 23:18	Dominique Garmier	CPPg++13.3.0	Success	70,070
Mar 15, 2026 23:14	Dominique Garmier	CPPclang++18.1.3	Success	72,649
Mar 15, 2026 22:57	Dominique Garmier	CPPg++13.3.0	Success	71,289
Mar 15, 2026 22:48	Dominique Garmier	CPPg++13.3.0	Success	70,827
Mar 15, 2026 22:45	Dominique Garmier	CPPg++13.3.0	Success	70,014+0.25 RP
Mar 15, 2026 22:39	Dominique Garmier	CPPg++13.3.0	Success	70,135+1.51 RP
Mar 15, 2026 22:38	Dominique Garmier	CPPg++13.3.0	Success	71,273
Mar 15, 2026 22:32	Dominique Garmier	CPPg++13.3.0	Success	70,886+3.32 RP
Mar 15, 2026 22:21	Dominique Garmier	CPPg++13.3.0	Success	72,765
Mar 15, 2026 22:16	Dominique Garmier	CPPg++13.3.0	Success	72,592+76.63 RP
Mar 15, 2026 22:13	Dominique Garmier	CPPg++13.3.0	Success	2,498,116
Mar 15, 2026 22:11	Elijah Kin	CPPg++13.3.0	Success	145,549+0.23 RP
Mar 15, 2026 22:11	Elijah Kin	CPPclang++18.1.3	Success	152,632
Mar 15, 2026 22:10	Elijah Kin	CPPclang++18.1.3	Success	154,376
Mar 15, 2026 22:09	Elijah Kin	CPPg++13.3.0	Success	146,032+0.36 RP
Mar 15, 2026 22:04	Elijah Kin	CPPg++13.3.0	Success	146,800+0.87 RP
Mar 15, 2026 22:02	Elijah Kin	CPPg++13.3.0	Success	157,732
Mar 15, 2026 21:56	Elijah Kin	CPPg++13.3.0	Success	150,411
Mar 15, 2026 21:43	Elijah Kin	CPPg++13.3.0	Success	150,305
Mar 15, 2026 21:32	Elijah Kin	CPPg++13.3.0	Success	148,703+4.92 RP
Mar 15, 2026 21:22	Elijah Kin	CPPg++13.3.0	Success	160,446+0.48 RP
Mar 15, 2026 20:50	Elijah Kin	CPPg++13.3.0	Success	161,689+12.40 RP
Mar 15, 2026 20:48	Elijah Kin	CPPg++13.3.0	Success	203,732
Mar 15, 2026 20:47	Elijah Kin	CPPg++13.3.0	Success	203,605
Mar 15, 2026 20:43	Elijah Kin	CPPg++13.3.0	Success	203,968
Mar 15, 2026 20:33	Elijah Kin	CPPg++13.3.0	Success	203,586
Mar 15, 2026 20:25	Elijah Kin	CPPg++13.3.0	Success	202,686
Mar 15, 2026 20:20	Elijah Kin	CPPg++13.3.0	Error
Mar 15, 2026 19:58	Elijah Kin	CPPg++13.3.0	Success	214,903
Mar 15, 2026 19:50	Elijah Kin	CPPg++13.3.0	Success	214,276
Mar 15, 2026 19:47	Elijah Kin	CPPg++13.3.0	Success	214,157
Mar 15, 2026 19:38	Elijah Kin	CPPclang++18.1.3	Success	229,157
Mar 15, 2026 19:36	Elijah Kin	CPPg++13.3.0	Success	214,308
Mar 15, 2026 19:15	Elijah Kin	CPPg++13.3.0	Success	202,222+3.50 RP
Mar 15, 2026 19:10	Elijah Kin	CPPg++13.3.0	Success	219,089
Mar 15, 2026 19:07	Elijah Kin	CPPg++13.3.0	Success	217,632+1.95 RP
Mar 15, 2026 19:06	Elijah Kin	CPPg++13.3.0	Success	227,273+0.03 RP
Mar 15, 2026 19:05	Elijah Kin	CPPg++13.3.0	Success	227,451+0.10 RP
Mar 15, 2026 19:04	Elijah Kin	CPPclang++18.1.3	Success	510,230
Mar 15, 2026 19:03	Elijah Kin	CPPclang++18.1.3	Success	510,195
Mar 15, 2026 19:02	Elijah Kin	CPPg++13.3.0	Success	227,978+2.85 RP
Mar 15, 2026 19:00	Elijah Kin	CPPg++13.3.0	Success	243,827+27.31 RP
Mar 15, 2026 18:57	Elijah Kin	CPPg++13.3.0	Success	3,214,803
Mar 15, 2026 18:54	Elijah Kin	CPPclang++18.1.3	Success	1,084,665
Mar 15, 2026 18:53	Elijah Kin	CPPg++13.3.0	Success	729,784+0.07 RP
Mar 15, 2026 18:43	Elijah Kin	CPPg++13.3.0	Success	733,532+13.16 RP
Mar 15, 2026 18:37	Elijah Kin	CPPg++13.3.0	Success	21,346,600
Mar 15, 2026 18:34	Elijah Kin	CPPg++13.3.0	Success	21,495,162+0.47 RP
Mar 15, 2026 11:17	Dominique Garmier	CPPclang++18.1.3	Success	166,473
Mar 15, 2026 11:13	Dominique Garmier	CPPg++13.3.0	Success	163,600+0.11 RP
Mar 15, 2026 11:10	Dominique Garmier	CPPg++13.3.0	Success	523,195
Mar 13, 2026 22:49	olliecrow	CPPg++13.3.0	Success	60,197
Mar 13, 2026 22:40	olliecrow	CPPg++13.3.0	Success	60,276
Mar 13, 2026 22:29	olliecrow	CPPg++13.3.0	Success	60,697
Mar 13, 2026 21:48	olliecrow	CPPg++13.3.0	Success	60,362
Mar 13, 2026 21:39	olliecrow	CPPg++13.3.0	Success	60,430
Mar 13, 2026 17:18	olliecrow	CPPg++13.3.0	Success	60,503
Mar 13, 2026 17:02	olliecrow	CPPg++13.3.0	Success	60,208
Mar 13, 2026 15:34	olliecrow	CPPg++13.3.0	Success	60,346
Mar 13, 2026 15:03	Dominique Garmier	CPPclang++18.1.3	Success	525,803
Mar 13, 2026 15:01	olliecrow	CPPg++13.3.0	Success	60,257
Mar 13, 2026 14:41	Dominique Garmier	CPPclang++18.1.3	Success	999,308
Mar 13, 2026 14:19	olliecrow	CPPg++13.3.0	Success	62,659
Mar 13, 2026 11:17	Dominique Garmier	CPPg++13.3.0	Success	163,895+61.01 RP
Mar 13, 2026 06:53	olliecrow	CPPg++13.3.0	Success	60,427
Mar 13, 2026 06:29	olliecrow	CPPg++13.3.0	Success	60,184+1.02 RP
Mar 13, 2026 04:32	olliecrow	CPPg++13.3.0	Success	60,554+0.15 RP
Mar 12, 2026 04:52	olliecrow	CPPg++13.3.0	Success	63,970
Mar 12, 2026 04:30	olliecrow	CPPg++13.3.0	Success	60,608+0.12 RP
Mar 12, 2026 04:07	olliecrow	CPPg++13.3.0	Success	60,651+0.69 RP
Mar 12, 2026 03:45	olliecrow	CPPg++13.3.0	Success	60,986
Mar 12, 2026 03:31	olliecrow	CPPg++13.3.0	Success	60,997
Mar 12, 2026 03:00	olliecrow	CPPg++13.3.0	Success	60,922
Mar 11, 2026 02:52	Sergey Serebryakov	CPPg++13.3.0	Success	74,635
Mar 11, 2026 02:46	Sergey Serebryakov	CPPg++13.3.0	Success	74,300+134.59 RP
Mar 10, 2026 06:08	olliecrow	CPPg++13.3.0	Success	60,905+0.27 RP
Mar 6, 2026 10:54	olliecrow	CPPclang++18.1.3	Success	62,427
Mar 6, 2026 10:49	olliecrow	CPPg++13.3.0	Success	61,005+1.13 RP
Mar 6, 2026 10:41	olliecrow	CPPg++13.3.0	Success	61,430+19.63 RP
Mar 6, 2026 00:09	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 19:22	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 19:02	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 18:58	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 18:57	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 18:56	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 18:55	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 18:54	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 01:48	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 01:45	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 01:43	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 01:35	olliecrow	CPPg++13.3.0	Success	69,884
Mar 5, 2026 01:19	olliecrow	CPPg++13.3.0	Error
Mar 5, 2026 01:14	olliecrow	CPPg++13.3.0	Success	69,854+0.02 RP
Mar 5, 2026 00:57	olliecrow	CPPg++13.3.0	Success	70,378
Mar 5, 2026 00:17	olliecrow	CPPg++13.3.0	Success	69,865+0.06 RP
Mar 4, 2026 23:51	olliecrow	CPPg++13.3.0	Error
Mar 4, 2026 23:46	olliecrow	CPPg++13.3.0	Error
Mar 4, 2026 23:44	olliecrow	CPPg++13.3.0	Error
Mar 4, 2026 23:09	olliecrow	CPPg++13.3.0	Success	69,976

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