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.

Date	Author	Language	Status	Score
May 6, 2026 08:28	olliecrow	CPPclang++18.1.3	Success	11,020
May 6, 2026 08:22	olliecrow	CPPclang++18.1.3	Error
May 6, 2026 05:31	olliecrow	RUSTrust-1.95.0	Success	13,757
May 5, 2026 21:39	olliecrow	GOgo1.26.2	Success	10,852
May 5, 2026 21:16	olliecrow	CPPclang++18.1.3	Success	10,947
May 5, 2026 20:40	olliecrow	RUSTrust-1.95.0	Success	13,877
May 5, 2026 17:18	olliecrow	CPPclang++18.1.3	Success	10,955
May 5, 2026 17:04	olliecrow	CPPg++13.3.0	Success	11,955
May 5, 2026 14:23	olliecrow	RUSTrust-1.95.0	Success	13,731
May 5, 2026 14:05	olliecrow	RUSTrust-1.95.0	Success	15,280
May 5, 2026 13:49	olliecrow	RUSTrust-1.95.0	Error
May 5, 2026 07:35	Victor Mercklé	CPPg++14.2.0	Error
May 5, 2026 01:47	olliecrow	CPPclang++18.1.3	Success	11,124
May 4, 2026 22:31	olliecrow	CPPg++13.3.0	Success	14,005
May 4, 2026 07:08	Victor Mercklé	CPPg++14.2.0	Success	14,420+251.18 RP
May 3, 2026 21:13	TudyM	CPPclang++20.1.2	Success	25,752
May 3, 2026 21:08	TudyM	CPPclang++20.1.2	Success	25,764
May 3, 2026 21:04	TudyM	CPPclang++20.1.2	Success	26,443
May 3, 2026 20:59	TudyM	CPPclang++20.1.2	Success	25,736
May 3, 2026 20:53	TudyM	CPPclang++20.1.2	Success	25,696
May 3, 2026 20:48	TudyM	CPPclang++20.1.2	Success	26,010
May 3, 2026 20:42	TudyM	CPPclang++20.1.2	Success	29,121
May 3, 2026 20:36	TudyM	CPPclang++20.1.2	Success	28,955
May 3, 2026 20:32	TudyM	CPPclang++20.1.2	Success	28,828
May 3, 2026 20:08	TudyM	CPPclang++20.1.2	Success	24,939
May 3, 2026 20:02	TudyM	CPPclang++20.1.2	Success	25,103
May 3, 2026 19:57	TudyM	CPPclang++20.1.2	Success	25,251
May 3, 2026 19:52	TudyM	CPPclang++20.1.2	Success	26,090
May 3, 2026 19:48	TudyM	CPPclang++20.1.2	Success	25,123
May 3, 2026 19:42	TudyM	CPPclang++20.1.2	Success	25,788
May 3, 2026 19:37	TudyM	CPPclang++20.1.2	Success	24,942
May 3, 2026 19:31	TudyM	CPPg++14.2.0	Success	27,592
May 3, 2026 19:26	TudyM	CPPclang++20.1.2	Success	24,824
May 3, 2026 19:22	TudyM	CPPclang++20.1.2	Error
May 3, 2026 19:17	TudyM	CPPclang++20.1.2	Success	25,342
May 3, 2026 19:12	TudyM	CPPclang++20.1.2	Success	25,056
May 3, 2026 19:07	TudyM	CPPclang++20.1.2	Success	24,902
May 3, 2026 19:02	TudyM	CPPclang++20.1.2	Success	24,753+0.85 RP
May 3, 2026 18:57	TudyM	CPPclang++20.1.2	Success	24,805+0.34 RP
May 3, 2026 18:54	TudyM	CPPclang++20.1.2	Success	27,071
May 1, 2026 17:11	Hung T.Nguyen	CPPg++10.5.0	Success	26,994+370.45 RP
May 1, 2026 16:42	Pavel Skripkin	RUSTrust-1.95.0	Success	13,565+121.66 RP
May 1, 2026 11:52	Victor Mercklé	CPPg++14.2.0	Success	88,487
May 1, 2026 11:40	Pavel Skripkin	RUSTrust-1.95.0	Error
May 1, 2026 11:39	Pavel Skripkin	RUSTrust-1.95.0	Error
May 1, 2026 11:39	Pavel Skripkin	RUSTrust-1.95.0	Error
May 1, 2026 11:29	Pavel Skripkin	RUSTrust-1.95.0	Success	19,407
May 1, 2026 11:28	Pavel Skripkin	RUSTrust-1.95.0	Success	20,817
May 1, 2026 11:26	Pavel Skripkin	RUSTrust-1.95.0	Error
May 1, 2026 11:24	Pavel Skripkin	RUSTrust-1.95.0	Error
May 1, 2026 11:24	Victor Mercklé	CPPg++14.2.0	Success	90,655
May 1, 2026 11:23	Pavel Skripkin	RUSTrust-1.95.0	Error
May 1, 2026 11:22	Pavel Skripkin	RUSTrust-1.95.0	Error
May 1, 2026 11:21	Pavel Skripkin	RUSTrust-1.95.0	Error
May 1, 2026 11:19	Pavel Skripkin	RUSTrust-1.95.0	Success	16,666
May 1, 2026 11:13	Pavel Skripkin	RUSTrust-1.95.0	Success	16,246+6.15 RP
May 1, 2026 11:11	Pavel Skripkin	RUSTrust-1.95.0	Error
May 1, 2026 11:08	Pavel Skripkin	RUSTrust-1.95.0	Success	16,474
May 1, 2026 10:55	Victor Mercklé	CPPg++14.2.0	Success	108,559
May 1, 2026 10:34	Victor Mercklé	CPPg++14.2.0	Success	225,147
May 1, 2026 10:05	Victor Mercklé	CPPg++14.2.0	Success	217,873
May 1, 2026 09:30	Victor Mercklé	CPPg++14.2.0	Success	216,748
May 1, 2026 08:28	Dominique Garmier	CPPg++14.2.0	Success	13,402
May 1, 2026 08:26	Dominique Garmier	CPPg++14.2.0	Success	13,274+11.95 RP
May 1, 2026 06:27	olliecrow	RUSTrust-1.95.0	Success	16,210
May 1, 2026 06:23	olliecrow	RUSTrust-1.95.0	Success	15,665
May 1, 2026 06:09	olliecrow	CPPclang++18.1.3	Success	11,196
May 1, 2026 02:25	olliecrow	GOgo1.26.2	Success	10,410
May 1, 2026 02:09	olliecrow	RUSTrust-1.95.0	Success	16,444
May 1, 2026 01:48	olliecrow	CPPclang++18.1.3	Success	10,545
May 1, 2026 01:47	Charles Cabergs	CPPclang++18.1.3	Success	34,866
May 1, 2026 01:46	olliecrow	CPPclang++18.1.3	Success	10,884
Apr 30, 2026 21:35	Dominique Garmier	CPPg++13.3.0	Success	101,072
Apr 30, 2026 07:27	Charles Cabergs	CPPg++13.3.0	Success	35,187
Apr 30, 2026 01:21	olliecrow	GOgo1.26.2	Success	10,405
Apr 30, 2026 00:59	olliecrow	RUSTrust-1.95.0	Success	15,004
Apr 30, 2026 00:49	olliecrow	CPPg++10.5.0	Success	11,651
Apr 29, 2026 20:38	Alexander Krivolapov	RUSTrust-1.95.0	Error
Apr 29, 2026 20:32	Alexander Krivolapov	RUSTrust-1.95.0	Error
Apr 29, 2026 20:26	Alexander Krivolapov	RUSTrust-1.95.0	Error
Apr 29, 2026 20:21	Alexander Krivolapov	RUSTrust-1.95.0	Error
Apr 29, 2026 20:12	Alexander Krivolapov	RUSTrust-1.95.0	Error
Apr 29, 2026 16:19	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,507
Apr 29, 2026 15:17	olliecrow	GOgo1.26.2	Success	31,878
Apr 29, 2026 15:17	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,404
Apr 29, 2026 15:06	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 15:05	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 15:03	olliecrow	GOgo1.26.2	Success	31,829
Apr 29, 2026 14:59	TudyM	CPPclang++20.1.2	Success	24,842
Apr 29, 2026 14:57	TudyM	CPPclang++20.1.2	Success	24,936
Apr 29, 2026 14:55	TudyM	CPPclang++20.1.2	Success	26,392
Apr 29, 2026 14:52	TudyM	CPPclang++20.1.2	Success	24,826+0.34 RP
Apr 29, 2026 14:50	TudyM	CPPclang++20.1.2	Success	24,922
Apr 29, 2026 14:48	TudyM	CPPclang++20.1.2	Success	24,947
Apr 29, 2026 14:45	TudyM	CPPclang++20.1.2	Success	25,099
Apr 29, 2026 14:43	TudyM	CPPclang++20.1.2	Success	24,923
Apr 29, 2026 14:41	TudyM	CPPclang++20.1.2	Success	24,847+4.67 RP
Apr 29, 2026 14:40	TudyM	CPPclang++20.1.2	Success	25,232
Apr 29, 2026 14:38	TudyM	CPPclang++20.1.2	Success	25,366
Apr 29, 2026 14:36	TudyM	CPPclang++20.1.2	Success	25,139+0.71 RP

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