Sort UUIDs

Sort 18,000,000 UUIDs as fast as possible.

Input

One UUID per line on STDIN in standard format:

01c39d6f-a905-41b5-b960-55f5be445bf8
790455cb-9813-4298-87ec-9ede1dc38e10
8ff38a09-f995-467b-9d07-5536f621402e
...

Output

All UUIDs sorted in ascending lexicographic order, one per line, to STDOUT.

Restrictions:90s256Mb 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 listMar 3, 2026 23:26

olliecrowScore: 3,488Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 3, 2026 23:20	3,463	3,960,406,407	796,870,000	692,266,000	13,844,480
2	Mar 3, 2026 23:39	3,467	4,081,985,987	889,396,000	601,298,000	13,840,384
3	Mar 3, 2026 23:39	3,467	3,941,236,719	805,583,000	685,276,000	13,840,384
4	Mar 3, 2026 23:20	3,469	3,883,497,475	778,874,000	712,788,000	13,844,480
5	Mar 3, 2026 23:20	3,469	3,887,890,473	838,330,000	653,492,000	13,836,288
6	Mar 3, 2026 23:23	3,473	3,687,843,593	913,380,000	580,167,000	13,828,096
7	Mar 3, 2026 23:26	3,475	3,875,469,614	881,746,000	612,679,000	13,840,384
8	Mar 3, 2026 23:43	3,481	3,880,742,540	869,456,000	627,418,000	13,832,192
9	Mar 3, 2026 23:39	3,481	3,707,737,214	868,252,000	628,371,000	13,840,384
10	Mar 3, 2026 23:43	3,483	3,897,075,660	843,682,000	653,972,000	13,840,384
11	Mar 3, 2026 23:43	3,483	3,727,538,949	896,663,000	600,968,000	13,840,384
12	Mar 3, 2026 23:39	3,483	3,878,929,863	723,862,000	773,985,000	13,832,192
13	Mar 3, 2026 23:39	3,483	4,244,773,671	885,752,000	611,759,000	13,836,288
14	Mar 3, 2026 23:35	3,483	3,929,833,399	748,290,000	749,478,000	13,840,384
15	Mar 3, 2026 23:20	3,484	3,696,775,971	845,477,000	652,732,000	13,840,384
16	Mar 3, 2026 23:20	3,485	3,736,684,500	741,129,000	757,573,000	13,832,192
17	Mar 3, 2026 23:43	3,486	3,777,341,432	702,559,000	796,234,000	13,840,384
18	Mar 3, 2026 23:20	3,487	3,791,860,860	828,781,000	670,474,000	13,828,096
19	Mar 3, 2026 23:23	3,487	3,941,447,374	831,832,000	667,562,000	13,844,480
20	Mar 3, 2026 23:35	3,488	3,985,949,008	807,896,000	692,145,000	13,840,384
21	Mar 3, 2026 23:32	3,492	3,874,756,414	817,016,000	684,368,000	13,836,288
22	Mar 3, 2026 23:23	3,497	3,817,040,296	827,370,000	676,193,000	13,832,192
23	Mar 3, 2026 23:39	3,503	4,083,805,515	834,649,000	671,502,000	13,836,288
24	Mar 3, 2026 23:39	3,503	3,995,106,975	833,097,000	673,292,000	13,832,192
25	Mar 3, 2026 23:43	3,504	3,777,695,294	822,451,000	684,204,000	13,840,384
26	Mar 3, 2026 23:32	3,505	3,700,301,846	873,950,000	633,348,000	13,836,288
27	Mar 3, 2026 23:20	3,507	3,761,954,232	847,552,000	660,506,000	13,832,192
28	Mar 3, 2026 23:43	3,507	3,836,907,251	872,102,000	635,956,000	13,836,288
29	Mar 3, 2026 23:20	3,509	3,715,098,946	904,724,000	604,322,000	13,836,288
30	Mar 3, 2026 23:26	3,510	3,842,739,726	859,636,000	649,711,000	13,832,192
31	Mar 3, 2026 23:26	3,513	3,722,517,549	885,395,000	625,398,000	13,836,288
32	Mar 3, 2026 23:43	3,516	3,885,938,826	874,200,000	637,803,000	13,840,384
33	Mar 3, 2026 23:20	3,519	3,742,209,881	831,012,000	682,366,000	13,836,288
34	Mar 3, 2026 23:43	3,521	3,711,580,705	830,989,000	683,151,000	13,836,288
35	Mar 3, 2026 23:39	3,525	3,628,329,773	889,631,000	625,948,000	13,836,288
36	Mar 3, 2026 23:35	3,527	4,203,091,596	886,376,000	630,442,000	13,832,192
37	Mar 3, 2026 23:39	3,530	3,683,992,990	845,992,000	672,027,000	13,832,192
38	Mar 3, 2026 23:43	3,531	3,708,558,249	850,545,000	667,861,000	13,844,480
39	Mar 3, 2026 23:32	3,533	3,774,525,091	814,624,000	704,508,000	13,840,384

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