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	1:20.1.2-0ubuntu1~24.04.2	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 listNov 29, 2024 01:48

Yuriy LyfenkoScore: 59,408Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Nov 19, 2025 18:04	59,097	543,734,872	19,879,000	1,987,000	2,527,232
2	Nov 19, 2025 18:04	59,124	542,342,619	19,888,000	1,988,000	2,527,232
3	Nov 19, 2025 18:04	59,127	550,687,897	19,889,000	1,988,000	2,531,328
4	Nov 19, 2025 18:04	59,135	542,921,219	19,891,000	1,989,000	2,527,232
5	Nov 19, 2025 18:03	59,151	541,357,623	19,897,000	1,989,000	2,527,232
6	Nov 19, 2025 18:03	59,178	543,568,267	19,906,000	1,990,000	2,441,216
7	Nov 29, 2024 01:46	59,181	545,811,417	19,907,000	1,990,000	2,519,040
8	Nov 19, 2025 18:04	59,197	543,306,083	19,912,000	1,991,000	2,527,232
9	Nov 19, 2025 18:04	59,200	544,487,408	19,913,000	1,991,000	2,527,232
10	Nov 19, 2025 18:04	59,200	540,008,660	19,913,000	1,991,000	2,527,232
11	Nov 29, 2024 01:46	59,203	543,437,248	19,914,000	1,991,000	2,527,232
12	Nov 19, 2025 18:04	59,203	542,678,292	19,914,000	1,991,000	2,527,232
13	Apr 11, 2025 20:40	59,216	541,046,200	19,919,000	1,991,000	2,269,184
14	Nov 29, 2024 01:44	59,222	549,919,955	19,920,000	1,992,000	2,269,184
15	Nov 19, 2025 18:04	59,224	547,200,788	19,921,000	1,992,000	2,527,232
16	Nov 29, 2024 01:48	59,257	545,314,467	19,932,000	1,993,000	2,527,232
17	Nov 19, 2025 18:04	59,281	543,677,655	19,940,000	1,994,000	2,527,232
18	Nov 29, 2024 01:44	59,284	547,308,809	19,941,000	1,994,000	2,527,232
19	Nov 19, 2025 18:04	59,286	550,327,429	19,942,000	1,994,000	2,269,184
20	Dec 12, 2024 18:38	59,286	549,513,607	19,942,000	1,994,000	2,527,232
21	Nov 29, 2024 01:46	59,289	541,494,626	19,943,000	1,994,000	2,531,328
22	Nov 19, 2025 18:04	59,292	543,108,776	19,944,000	1,994,000	2,527,232
23	Nov 29, 2024 01:46	59,319	541,688,279	19,953,000	1,995,000	2,527,232
24	Nov 29, 2024 01:46	59,324	543,950,405	19,955,000	1,995,000	2,445,312
25	Nov 29, 2024 01:48	59,327	549,549,094	19,956,000	1,995,000	2,433,024
26	Apr 11, 2025 20:40	59,327	545,142,619	19,956,000	1,995,000	2,265,088
27	Nov 29, 2024 01:48	59,330	543,351,214	19,957,000	1,995,000	2,527,232
28	Nov 19, 2025 18:04	59,330	545,595,233	19,957,000	1,995,000	2,527,232
29	Nov 19, 2025 18:03	59,330	542,096,621	19,957,000	1,995,000	2,527,232
30	Nov 19, 2025 18:04	59,332	542,748,323	19,958,000	1,995,000	2,433,024
31	Sep 10, 2024 13:55	59,335	540,229,023	19,959,000	1,995,000	2,531,328
32	Nov 29, 2024 01:46	59,341	540,585,178	19,960,000	1,996,000	2,527,232
33	Nov 29, 2024 01:48	59,346	548,979,081	19,962,000	1,996,000	2,527,232
34	Sep 10, 2024 13:54	59,357	542,148,613	19,966,000	1,996,000	2,531,328
35	Nov 29, 2024 01:44	59,362	544,905,872	19,968,000	1,996,000	2,531,328
36	Nov 29, 2024 01:48	59,362	545,113,748	19,968,000	1,996,000	2,527,232
37	Nov 29, 2024 01:48	59,365	551,549,683	19,969,000	1,996,000	2,433,024
38	Nov 29, 2024 01:46	59,373	547,498,493	19,971,000	1,997,000	2,527,232
39	Nov 29, 2024 01:46	59,378	543,224,983	19,973,000	1,997,000	2,527,232
40	Nov 29, 2024 01:44	59,381	544,783,209	20,973,000	998,000	2,527,232
41	Nov 29, 2024 01:45	59,392	542,750,653	19,978,000	1,997,000	2,527,232
42	Sep 10, 2024 13:54	59,405	541,530,668	19,982,000	1,998,000	2,531,328
43	Nov 29, 2024 01:48	59,408	541,592,904	19,983,000	1,998,000	2,527,232
44	Apr 11, 2025 20:40	59,414	546,698,143	18,986,000	2,997,000	2,527,232
45	Apr 11, 2025 20:40	59,414	547,706,508	19,985,000	1,998,000	2,527,232
46	Nov 29, 2024 01:44	59,419	544,986,036	19,987,000	1,998,000	2,527,232
47	Nov 29, 2024 01:48	59,424	545,136,317	19,989,000	1,998,000	2,527,232
48	Nov 29, 2024 01:48	59,438	546,149,145	19,993,000	1,999,000	2,527,232
49	Nov 29, 2024 01:48	59,443	541,952,676	19,995,000	1,999,000	2,527,232
50	Nov 29, 2024 01:46	59,443	545,224,042	19,995,000	1,999,000	2,527,232
51	Nov 29, 2024 01:46	59,446	542,787,136	19,996,000	1,999,000	2,527,232
52	Sep 10, 2024 13:54	59,451	540,998,841	19,998,000	1,999,000	2,269,184
53	Apr 11, 2025 20:40	59,454	544,687,499	19,999,000	1,999,000	2,527,232
54	Dec 12, 2024 18:38	59,462	542,410,841	20,001,000	2,000,000	2,527,232
55	Nov 19, 2025 18:04	59,465	545,544,183	20,002,000	2,000,000	2,527,232
56	Nov 29, 2024 01:44	59,470	545,120,156	20,004,000	2,000,000	2,527,232
57	Nov 29, 2024 01:44	59,478	539,726,443	20,007,000	2,000,000	2,527,232
58	Nov 29, 2024 01:46	59,478	543,164,035	20,007,000	2,000,000	2,527,232
59	Sep 10, 2024 13:54	59,481	549,587,443	20,008,000	2,000,000	2,269,184
60	Nov 19, 2025 18:04	59,500	541,820,417	20,014,000	2,001,000	2,527,232
61	Nov 29, 2024 01:46	59,519	545,778,002	20,020,000	2,002,000	2,527,232
62	Sep 10, 2024 13:55	59,519	544,249,611	21,021,000	1,001,000	2,531,328
63	Nov 29, 2024 01:45	59,519	543,009,427	20,020,000	2,002,000	2,527,232
64	Nov 29, 2024 01:48	59,527	547,486,069	20,023,000	2,002,000	2,527,232
65	Nov 29, 2024 01:48	59,530	549,098,154	20,024,000	2,002,000	2,527,232
66	Apr 11, 2025 20:40	59,530	545,061,264	20,024,000	2,002,000	2,265,088
67	Nov 29, 2024 01:46	59,535	550,712,104	20,026,000	2,002,000	2,527,232
68	Nov 29, 2024 01:44	59,557	543,928,704	20,033,000	2,003,000	2,527,232
69	Sep 10, 2024 13:54	59,562	544,419,373	20,035,000	2,003,000	2,535,424
70	Nov 29, 2024 01:48	59,565	548,195,433	20,036,000	2,003,000	2,527,232
71	Nov 29, 2024 01:46	59,586	548,919,100	20,043,000	2,004,000	2,527,232
72	Sep 10, 2024 13:54	59,589	541,072,338	20,044,000	2,004,000	2,531,328
73	Apr 11, 2025 20:40	59,592	549,202,485	20,045,000	2,004,000	2,269,184
74	Nov 29, 2024 01:46	59,597	549,740,237	20,047,000	2,004,000	2,527,232
75	Dec 12, 2024 18:38	59,600	543,677,474	20,048,000	2,004,000	2,527,232
76	Nov 29, 2024 01:44	59,619	548,062,649	20,054,000	2,005,000	2,527,232
77	Sep 10, 2024 13:55	59,619	542,065,321	20,054,000	2,005,000	2,445,312
78	Nov 29, 2024 01:45	59,632	542,798,735	20,059,000	2,005,000	2,519,040
79	Apr 11, 2025 20:40	59,632	548,430,410	20,059,000	2,005,000	2,265,088
80	Nov 29, 2024 01:48	59,646	554,350,456	20,063,000	2,006,000	2,527,232
81	Apr 11, 2025 20:40	59,678	543,144,379	20,074,000	2,007,000	2,265,088
82	Nov 19, 2025 18:04	59,751	542,846,855	20,099,000	2,009,000	2,527,232
83	Nov 29, 2024 01:48	59,762	542,158,156	20,102,000	2,010,000	2,531,328
84	Nov 19, 2025 18:04	61,638	544,696,683	20,823,000	1,983,000	2,527,232

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