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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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
Mar 22, 2026 02:08	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 02:08	olliecrow	CSHARP9.0.14	Success	13,206
Mar 22, 2026 02:06	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 02:05	olliecrow	CSHARP9.0.14	Success	13,154
Mar 22, 2026 02:04	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 02:03	olliecrow	RUSTrust-1.94.0	Success	14,684
Mar 22, 2026 02:02	olliecrow	CSHARP9.0.14	Success	12,958
Mar 22, 2026 02:02	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 02:01	olliecrow	ZIG0.14.0	Success	11,243+29.26 RP
Mar 22, 2026 01:59	olliecrow	CSHARP9.0.14	Success	13,404
Mar 22, 2026 01:59	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:56	olliecrow	CSHARP9.0.14	Success	13,090
Mar 22, 2026 01:56	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:53	olliecrow	CSHARP9.0.14	Success	13,018
Mar 22, 2026 01:52	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:50	olliecrow	ZIG0.14.0	Success	13,113
Mar 22, 2026 01:50	olliecrow	CSHARP9.0.14	Success	13,166
Mar 22, 2026 01:50	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:48	olliecrow	ZIG0.14.0	Success	11,717
Mar 22, 2026 01:47	olliecrow	CSHARP9.0.14	Success	13,112
Mar 22, 2026 01:46	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:44	olliecrow	CSHARP9.0.14	Success	13,144
Mar 22, 2026 01:43	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:41	olliecrow	CSHARP9.0.14	Success	13,113
Mar 22, 2026 01:40	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:38	olliecrow	CSHARP9.0.14	Success	13,117
Mar 22, 2026 01:38	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:35	olliecrow	CSHARP9.0.14	Success	13,020
Mar 22, 2026 01:35	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:34	olliecrow	RUSTrust-1.94.0	Success	15,087
Mar 22, 2026 01:34	olliecrow	CSHARP9.0.14	Success	13,143
Mar 22, 2026 01:33	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:31	olliecrow	CSHARP9.0.14	Success	13,057
Mar 22, 2026 01:31	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:28	olliecrow	CSHARP9.0.14	Success	13,099
Mar 22, 2026 01:28	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:27	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:27	olliecrow	CSHARP9.0.14	Success	13,160
Mar 22, 2026 01:26	olliecrow	ZIG0.14.0	Success	11,431+7.92 RP
Mar 22, 2026 01:25	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:25	olliecrow	CSHARP9.0.14	Success	13,159
Mar 22, 2026 01:23	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:23	olliecrow	CSHARP9.0.14	Success	13,165
Mar 22, 2026 01:21	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:21	olliecrow	CSHARP9.0.14	Success	13,044
Mar 22, 2026 01:19	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:19	olliecrow	CSHARP9.0.14	Success	13,180
Mar 22, 2026 01:17	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:17	olliecrow	CSHARP9.0.14	Success	12,953
Mar 22, 2026 01:15	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:15	olliecrow	CSHARP9.0.14	Success	13,213
Mar 22, 2026 01:15	olliecrow	RUSTrust-1.94.0	Success	14,640
Mar 22, 2026 01:13	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:13	olliecrow	CSHARP9.0.14	Success	13,187
Mar 22, 2026 01:13	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:11	olliecrow	CSHARP9.0.14	Success	13,309
Mar 22, 2026 01:11	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:10	olliecrow	CSHARP9.0.14	Success	13,066
Mar 22, 2026 01:09	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:08	olliecrow	CSHARP9.0.14	Success	13,109
Mar 22, 2026 01:07	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:06	olliecrow	CSHARP9.0.14	Success	13,166
Mar 22, 2026 01:05	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:04	olliecrow	CSHARP9.0.14	Success	13,112
Mar 22, 2026 01:03	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:02	olliecrow	CSHARP9.0.14	Success	12,846+2.72 RP
Mar 22, 2026 01:02	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 01:01	olliecrow	CSHARP9.0.14	Success	13,127
Mar 22, 2026 01:00	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:59	olliecrow	CSHARP9.0.14	Success	13,051
Mar 22, 2026 00:58	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:58	olliecrow	ZIG0.14.0	Success	13,136
Mar 22, 2026 00:58	olliecrow	CSHARP9.0.14	Success	12,898
Mar 22, 2026 00:58	olliecrow	RUSTrust-1.94.0	Success	14,705
Mar 22, 2026 00:57	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:57	olliecrow	CSHARP9.0.14	Success	13,235
Mar 22, 2026 00:56	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:56	olliecrow	CSHARP9.0.14	Success	13,323
Mar 22, 2026 00:55	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:55	olliecrow	CSHARP9.0.14	Success	13,155
Mar 22, 2026 00:54	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:54	olliecrow	CSHARP9.0.14	Success	13,086
Mar 22, 2026 00:53	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:53	olliecrow	CSHARP9.0.14	Success	13,192
Mar 22, 2026 00:52	olliecrow	CSHARP9.0.14	Success	13,035
Mar 22, 2026 00:52	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:51	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:51	olliecrow	CSHARP9.0.14	Success	13,212
Mar 22, 2026 00:50	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:50	olliecrow	CSHARP9.0.14	Success	13,155
Mar 22, 2026 00:49	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:48	olliecrow	CSHARP9.0.14	Success	13,011
Mar 22, 2026 00:47	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:47	olliecrow	RUSTrust-1.94.0	Success	14,768
Mar 22, 2026 00:46	olliecrow	CSHARP9.0.14	Success	13,164
Mar 22, 2026 00:45	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:44	olliecrow	CSHARP9.0.14	Success	13,061
Mar 22, 2026 00:44	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:42	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 00:42	olliecrow	CSHARP9.0.14	Success	13,206

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