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 listFeb 17, 2023 21:03

Liam

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Run Statistics

#	Date	Score	Wall Time	CPU User	Memory	Error
1	Feb 20, 2023 01:01	0	0	0	0	Error: expected "1023178 ", got "1023176 "
2	Feb 20, 2023 01:00	0	0	0	0	Error: expected "1024679 ", got "1024670 "
3	Feb 20, 2023 01:01	0	0	0	0	Error: expected "1024665 ", got "1024663 "
4	Feb 20, 2023 01:01	0	0	0	0	Error: expected "1024925 ", got "1024923 "
5	Feb 20, 2023 01:01	0	0	0	0	Error: expected "1024666 ", got "1024665 "
6	Feb 20, 2023 01:01	0	0	0	0	Error: expected "1023645 ", got "1023641 "
7	Feb 20, 2023 01:01	0	0	0	0	Error: expected "1019895 ", got "1019892 "
8	Feb 20, 2023 01:01	0	0	0	0	Error: expected "1025747 ", got "1025742 "
9	Feb 20, 2023 01:01	0	0	0	0	Error: expected "1025523 ", got "1025520 "
10	Feb 20, 2023 01:00	0	0	0	0	Error: expected "1022293 ", got "1022289 "
11	Feb 20, 2023 01:01	0	0	0	0	Error: expected "1025686 ", got "1025685 "
12	Feb 20, 2023 01:05	0	0	0	0	Error: expected "1019983 ", got "1013794 "
13	Feb 20, 2023 01:06	0	0	0	0	Error: expected "1021595 ", got "1009005 "
14	Feb 20, 2023 01:07	0	0	0	0	Error: expected "1025515 ", got "919084 "
15	Feb 20, 2023 01:07	0	0	0	0	Error: expected "1019492 ", got "1018880 "
16	Feb 20, 2023 01:08	0	0	0	0	Error: expected "1024415 ", got "1023779 "
17	Mar 19, 2023 18:14	0	0	0	0	Error: expected "1023329 ", got "918229 "
18	Feb 20, 2023 00:57	0	0	0	0	Error: expected "1022566 ", got "1022542 "
19	Feb 20, 2023 00:57	0	0	0	0	Error: expected "1018834 ", got "1018833 "
20	Feb 20, 2023 00:57	0	0	0	0	Error: expected "1025299 ", got "1025292 "
21	Feb 20, 2023 00:57	0	0	0	0	Error: expected "1018868 ", got "1018865 "
22	Feb 20, 2023 00:56	0	0	0	0	Error: expected "1025248 ", got "1025246 "
23	Feb 20, 2023 01:04	35,415	1,231,126,369	1,168,691,538	2,179,072
24	Feb 20, 2023 01:04	35,609	1,251,971,083	1,175,100,447	2,187,264
25	Feb 20, 2023 01:04	36,118	1,263,266,091	1,191,902,592	2,195,456
26	Feb 20, 2023 00:59	58,240	1,979,676,340	1,921,935,146	2,187,264
27	Feb 20, 2023 00:59	58,895	2,000,877,082	1,943,539,238	2,187,264
28	Feb 20, 2023 00:59	62,336	2,123,605,391	2,057,076,842	2,187,264
29	Feb 20, 2023 00:59	62,483	2,131,186,014	2,061,954,215	2,183,168
30	Feb 20, 2023 00:59	62,501	2,121,459,389	2,062,534,500	2,191,360
31	Feb 20, 2023 00:59	62,712	2,130,023,795	2,069,482,800	2,174,976
32	Feb 17, 2023 21:03	83,017	2,806,177,347	2,739,573,096	2,297,856
33	Feb 17, 2023 21:03	83,298	2,810,074,866	2,748,833,644	2,301,952
34	Feb 17, 2023 21:03	83,586	2,822,144,120	2,758,323,120	2,179,072

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