Unique strings

Count the exact number of unique tokens as fast as possible.

Input

One token per line on STDIN:

JWXcKKaWzvFL5
Rof
3ztCpA
5wHcGN
*UiEMthaTS*g

Output

Print the exact count of unique tokens to STDOUT.

Constraints

Character set: 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@#%*
Maximum token length: 16
Approximately 1,000,000 unique tokens

Restrictions:20s512Mb 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 listAug 20, 2023 15:47

Robert Burke

Score: 7,371

Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 14, 2022 06:19	6,706	289,253,710	221,298,192	0	2,277,376
2	Aug 14, 2022 06:19	6,711	287,185,590	221,468,179	0	2,269,184
3	Aug 20, 2023 15:53	6,751	294,487,982	222,795,579	0	2,273,280
4	Aug 20, 2023 15:53	6,764	290,394,663	223,197,598	0	2,273,280
5	Jul 29, 2022 16:26	6,785	280,115,772	223,897,161	0	2,277,376
6	Jul 29, 2022 16:26	6,786	277,935,251	223,925,658	0	2,281,472
7	Jul 29, 2022 16:26	6,788	281,563,823	224,000,679	0	2,273,280
8	Aug 20, 2023 15:47	6,816	282,747,128	224,934,709	0	2,273,280
9	Aug 20, 2023 15:53	6,824	275,537,497	225,203,497	0	2,265,088
10	Aug 20, 2023 15:47	6,852	283,216,648	226,114,855	0	2,273,280
11	Aug 20, 2023 15:47	6,859	277,357,936	226,340,186	0	2,273,280
12	Aug 14, 2022 06:19	6,880	284,696,112	227,053,140	0	2,269,184
13	Jul 29, 2022 16:26	7,301	262,782,767	235,938,000	4,998,000	2,461,696
14	Aug 20, 2023 15:47	7,323	265,402,190	235,666,000	5,991,000	2,367,488
15	Jul 29, 2022 16:26	7,328	269,654,644	238,814,000	2,997,000	2,461,696
16	Aug 20, 2023 15:47	7,330	270,438,897	236,892,000	4,997,000	2,371,584
17	Aug 20, 2023 15:47	7,333	269,277,854	235,992,000	5,999,000	2,367,488
18	Aug 20, 2023 15:53	7,342	264,447,263	238,268,000	4,004,000	2,371,584
19	Jul 29, 2022 16:26	7,350	266,334,651	238,568,000	3,992,000	2,273,280
20	Aug 20, 2023 15:53	7,351	267,122,369	238,590,000	3,993,000	2,363,392
21	Jul 29, 2022 16:26	7,351	273,593,299	235,581,000	6,987,000	2,375,680
22	Aug 14, 2022 06:19	7,358	262,881,300	239,827,000	2,997,000	2,367,488
23	Jul 29, 2022 16:26	7,358	265,189,431	240,821,000	1,998,000	2,281,472
24	Aug 14, 2022 06:19	7,368	261,759,711	237,145,000	6,003,000	2,334,720
25	Jul 29, 2022 16:26	7,371	267,718,290	238,237,000	5,004,000	2,506,752
26	Jul 29, 2022 16:26	7,379	270,781,047	236,530,000	6,986,000	2,359,296
27	Jul 29, 2022 16:26	7,381	269,084,896	238,586,000	4,991,000	2,510,848
28	Aug 14, 2022 06:19	7,383	265,398,748	237,636,000	5,990,000	2,437,120
29	Jul 29, 2022 16:26	7,386	262,972,879	238,740,000	4,994,000	2,371,584
30	Aug 20, 2023 15:47	7,398	270,853,080	240,125,000	4,002,000	2,371,584
31	Aug 20, 2023 15:53	7,399	266,650,558	240,157,000	4,002,000	2,387,968
32	Aug 20, 2023 15:53	7,400	276,116,390	240,186,000	4,003,000	2,363,392
33	Aug 20, 2023 15:53	7,402	265,731,442	240,246,000	4,004,000	2,359,296
34	Aug 20, 2023 15:53	7,402	269,888,347	238,294,000	5,982,000	2,371,584
35	Aug 14, 2022 06:19	7,403	270,302,052	240,303,000	4,005,000	2,359,296
36	Aug 14, 2022 06:19	7,404	269,284,963	239,331,000	5,006,000	2,367,488
37	Aug 14, 2022 06:19	7,406	271,498,400	239,397,000	5,008,000	2,367,488
38	Aug 14, 2022 06:19	7,410	274,250,531	242,549,000	1,996,000	2,269,184
39	Aug 14, 2022 06:19	7,419	277,339,538	238,822,000	5,995,000	2,531,328
40	Aug 14, 2022 06:19	7,421	274,995,056	238,897,000	5,997,000	2,367,488
41	Aug 20, 2023 15:47	7,430	266,936,042	239,187,000	6,004,000	2,338,816
42	Aug 20, 2023 15:47	7,433	271,952,086	238,269,000	7,007,000	2,453,504
43	Aug 20, 2023 15:53	7,443	273,600,523	242,615,000	2,995,000	2,523,136
44	Aug 20, 2023 15:47	7,472	268,896,516	243,575,000	2,994,000	2,367,488
45	Aug 20, 2023 15:53	7,480	268,180,824	241,854,000	4,997,000	2,363,392
46	Aug 20, 2023 15:47	7,529	277,141,753	245,466,000	3,005,000	2,367,488
47	Aug 20, 2023 15:53	7,534	272,241,047	244,620,000	3,993,000	2,445,312
48	Aug 20, 2023 15:47	7,644	282,541,780	248,263,000	4,004,000	2,363,392

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