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 30, 2022 17:58

Bernard Teo

Score: 4,877

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 30, 2022 17:58	4,757	179,486,052	151,975,000	4,999,000	2,347,008
2	Aug 30, 2022 17:58	4,769	180,730,434	152,364,000	5,011,000	2,273,280
3	Aug 30, 2022 17:58	4,774	190,912,575	150,525,000	7,024,000	2,273,280
4	Aug 30, 2022 17:58	4,776	187,105,884	151,631,000	5,985,000	2,379,776
5	Aug 30, 2022 17:58	4,782	178,283,411	154,811,000	2,996,000	2,502,656
6	Aug 30, 2022 17:58	4,789	179,897,169	154,042,000	4,001,000	2,363,392
7	Aug 30, 2022 17:58	4,805	183,436,010	153,533,000	5,017,000	2,273,280
8	Aug 30, 2022 17:58	4,809	184,487,383	153,703,000	4,990,000	2,449,408
9	Aug 30, 2022 17:58	4,823	181,983,745	153,155,000	6,006,000	2,465,792
10	Aug 30, 2022 17:58	4,847	186,939,544	157,941,000	1,999,000	2,387,968
11	Aug 30, 2022 17:58	4,856	230,460,414	160,260,076	0	2,293,760
12	Aug 30, 2022 17:58	4,857	181,729,799	157,284,000	3,005,000	2,461,696
13	Aug 30, 2022 17:58	4,867	181,673,857	157,627,000	2,992,000	2,297,856
14	Aug 30, 2022 17:58	4,867	187,037,483	155,630,000	4,988,000	2,506,752
15	Aug 30, 2022 17:58	4,870	189,784,638	155,733,000	4,991,000	2,383,872
16	Aug 30, 2022 17:58	4,872	187,517,347	157,795,000	2,996,000	2,428,928
17	Aug 30, 2022 17:58	4,877	183,847,759	156,929,000	3,998,000	2,326,528
18	Aug 30, 2022 17:58	4,878	183,353,352	156,985,000	3,999,000	2,396,160
19	Aug 30, 2022 17:58	4,889	225,863,728	161,327,323	0	2,297,856
20	Aug 30, 2022 17:58	4,890	184,954,361	156,369,000	5,011,000	2,281,472
21	Aug 30, 2022 17:58	4,905	222,906,822	161,878,349	0	2,297,856
22	Aug 30, 2022 17:58	4,912	221,840,798	162,092,590	0	2,293,760
23	Aug 30, 2022 17:58	4,914	221,861,341	162,148,737	0	2,301,952
24	Aug 30, 2022 17:58	4,914	227,455,937	162,149,352	0	2,174,976
25	Aug 30, 2022 17:58	4,915	229,134,885	162,194,288	0	2,293,760
26	Aug 30, 2022 17:58	4,915	227,886,702	162,196,639	0	2,297,856
27	Aug 30, 2022 17:58	4,919	228,040,094	162,338,238	0	2,289,664
28	Aug 30, 2022 17:58	4,930	227,644,096	162,690,457	0	2,293,760
29	Aug 30, 2022 17:58	4,933	224,388,369	162,794,068	0	2,297,856
30	Aug 30, 2022 17:58	4,934	232,685,582	162,826,839	0	2,297,856
31	Aug 30, 2022 17:58	4,936	228,104,822	162,896,424	0	2,297,856
32	Aug 30, 2022 17:58	4,943	224,357,256	163,116,832	0	2,301,952
33	Aug 30, 2022 17:58	4,951	225,783,469	163,395,950	0	2,293,760

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