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
Apr 29, 2026 14:34	TudyM	CPPclang++20.1.2	Success	25,184+4.63 RP
Apr 29, 2026 14:31	TudyM	CPPclang++20.1.2	Success	25,481+6.62 RP
Apr 29, 2026 14:29	TudyM	CPPclang++20.1.2	Success	25,918+9.03 RP
Apr 29, 2026 14:27	TudyM	CPPclang++20.1.2	Success	27,047
Apr 29, 2026 14:25	TudyM	CPPclang++20.1.2	Success	27,017
Apr 29, 2026 14:23	olliecrow	CPPg++10.5.0	Success	11,893
Apr 29, 2026 14:22	TudyM	CPPclang++20.1.2	Success	26,539+14.41 RP
Apr 29, 2026 14:20	TudyM	CPPclang++20.1.2	Success	27,700
Apr 29, 2026 14:19	TudyM	CPPg++10.5.0	Success	29,352
Apr 29, 2026 14:17	TudyM	CPPg++14.2.0	Success	28,377
Apr 29, 2026 14:15	TudyM	CPPclang++20.1.2	Success	27,594+1.45 RP
Apr 29, 2026 13:55	TudyM	CPPclang++20.1.2	Success	39,671
Apr 29, 2026 13:51	TudyM	CPPclang++20.1.2	Success	29,142
Apr 29, 2026 13:47	TudyM	CPPg++14.2.0	Success	31,239
Apr 29, 2026 13:43	TudyM	CPPclang++20.1.2	Success	27,705+19.53 RP
Apr 29, 2026 13:39	TudyM	CPPclang++20.1.2	Success	29,290+0.92 RP
Apr 29, 2026 13:36	TudyM	CPPclang++20.1.2	Success	29,643
Apr 29, 2026 13:33	TudyM	CPPclang++20.1.2	Success	29,990
Apr 29, 2026 13:29	TudyM	CPPclang++20.1.2	Success	29,369+1.72 RP
Apr 29, 2026 13:23	TudyM	CPPclang++20.1.2	Success	29,518+40.48 RP
Apr 29, 2026 03:17	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	12,566+21.02 RP
Apr 29, 2026 03:13	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	14,681
Apr 29, 2026 02:59	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	12,927
Apr 29, 2026 02:54	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	12,907+16.28 RP
Apr 29, 2026 01:46	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	13,195
Apr 29, 2026 01:33	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 01:24	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 01:09	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 00:40	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	13,184+2.81 RP
Apr 29, 2026 00:30	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	13,233+14.29 RP
Apr 29, 2026 00:28	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	13,627
Apr 29, 2026 00:16	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 00:14	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 29, 2026 00:01	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	17,013
Apr 28, 2026 23:54	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 28, 2026 23:46	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,805
Apr 28, 2026 23:41	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 28, 2026 23:36	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 28, 2026 23:31	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 28, 2026 23:22	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,524
Apr 28, 2026 23:20	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,460
Apr 28, 2026 23:00	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	13,488+20.11 RP
Apr 28, 2026 21:48	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	335,749
Apr 28, 2026 21:42	olliecrow	CPPg++13.3.0	Success	11,961
Apr 28, 2026 21:28	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,914
Apr 28, 2026 21:22	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,590
Apr 28, 2026 19:39	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Error
Apr 28, 2026 19:36	olliecrow	GOgo1.26.2	Success	78,287
Apr 28, 2026 19:30	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	13,864+4.45 RP
Apr 28, 2026 19:21	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	13,950+76.35 RP
Apr 28, 2026 19:17	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,613+9.34 RP
Apr 28, 2026 19:10	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,844+0.04 RP
Apr 28, 2026 18:59	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	18,309
Apr 28, 2026 18:54	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	17,838
Apr 28, 2026 18:49	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	16,022
Apr 28, 2026 18:25	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,977
Apr 28, 2026 16:51	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	321,395
Apr 28, 2026 16:27	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	15,845+79.39 RP
Apr 28, 2026 16:19	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	48,491
Apr 28, 2026 15:01	olliecrow	GOgo1.26.2	Success	72,623
Apr 28, 2026 14:50	olliecrow	RUSTrust-1.95.0	Success	14,577
Apr 28, 2026 14:47	olliecrow	RUSTrust-1.95.0	Success	14,500
Apr 28, 2026 14:46	olliecrow	RUSTrust-1.95.0	Success	14,498
Apr 28, 2026 04:08	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	19,464
Apr 28, 2026 03:40	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	18,125+3.69 RP
Apr 28, 2026 03:15	Mehdi-Dehghan-Fooladi	CPPg++14.2.0	Success	18,247+178.91 RP
Apr 27, 2026 22:35	TudyM	CPPclang++20.1.2	Success	33,643
Apr 27, 2026 22:29	TudyM	CPPclang++20.1.2	Success	33,524+1.53 RP
Apr 27, 2026 22:20	TudyM	CPPclang++20.1.2	Success	33,697+6.99 RP
Apr 27, 2026 22:14	TudyM	CPPclang++20.1.2	Success	37,488
Apr 27, 2026 22:09	TudyM	CPPclang++20.1.2	Error
Apr 27, 2026 22:04	Pavel Skripkin	RUSTrust-1.95.0	Error
Apr 27, 2026 22:03	TudyM	CPPclang++20.1.2	Success	35,053
Apr 27, 2026 22:02	Pavel Skripkin	RUSTrust-1.95.0	Success	16,410+46.38 RP
Apr 27, 2026 21:59	TudyM	CPPclang++20.1.2	Success	35,170
Apr 27, 2026 21:56	Pavel Skripkin	RUSTrust-1.95.0	Error
Apr 27, 2026 21:55	Pavel Skripkin	RUSTrust-1.95.0	Error
Apr 27, 2026 21:54	TudyM	CPPclang++20.1.2	Success	35,088
Apr 27, 2026 21:49	TudyM	CPPclang++20.1.2	Success	34,510+1.45 RP
Apr 27, 2026 21:46	Pavel Skripkin	RUSTrust-1.95.0	Success	18,240
Apr 27, 2026 21:44	TudyM	CPPclang++20.1.2	Success	34,684+6.69 RP
Apr 27, 2026 21:41	TudyM	CPPclang++20.1.2	Success	40,109
Apr 27, 2026 21:29	Victor Mercklé	CPPg++14.2.0	Success	22,609+73.35 RP
Apr 27, 2026 21:28	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 21:19	Pavel Skripkin	RUSTrust-1.95.0	Success	17,762+0.16 RP
Apr 27, 2026 21:10	Pavel Skripkin	RUSTrust-1.95.0	Success	18,297
Apr 27, 2026 21:04	Pavel Skripkin	RUSTrust-1.95.0	Success	22,344
Apr 27, 2026 21:03	Pavel Skripkin	RUSTrust-1.95.0	Error
Apr 27, 2026 21:01	Pavel Skripkin	RUSTrust-1.95.0	Success	25,622
Apr 27, 2026 20:59	Alexander Krivolapov	RUSTrust-1.95.0	Success	14,497+264.03 RP
Apr 27, 2026 20:39	Pavel Skripkin	RUSTrust-1.95.0	Success	26,817
Apr 27, 2026 20:29	Pavel Skripkin	RUSTrust-1.95.0	Success	17,767+1.26 RP
Apr 27, 2026 20:08	Pavel Skripkin	RUSTrust-1.95.0	Success	18,165
Apr 27, 2026 20:06	Pavel Skripkin	RUSTrust-1.92.0	Error
Apr 27, 2026 20:05	Alexander Krivolapov	RUSTrust-1.95.0	Error
Apr 27, 2026 20:05	Pavel Skripkin	RUSTrust-1.92.0	Error
Apr 27, 2026 17:26	Victor Mercklé	CPPg++14.2.0	Success	27,104+311.52 RP
Apr 27, 2026 17:00	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 16:52	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 16:48	Victor Mercklé	CPPg++14.2.0	Error

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