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
Mar 21, 2026 21:20	olliecrow	RUSTrust-1.94.0	Success	14,787
Mar 21, 2026 21:19	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:19	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:18	olliecrow	CSHARP9.0.14	Success	12,942
Mar 21, 2026 21:18	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:17	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:17	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:16	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:16	olliecrow	CSHARP9.0.14	Success	12,907
Mar 21, 2026 21:16	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:15	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:14	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:13	olliecrow	CSHARP9.0.14	Success	13,040
Mar 21, 2026 21:12	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:12	olliecrow	RUSTrust-1.94.0	Success	14,683
Mar 21, 2026 21:11	olliecrow	CSHARP9.0.14	Success	13,054
Mar 21, 2026 21:11	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:11	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:10	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:09	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:09	olliecrow	CSHARP9.0.14	Success	13,274
Mar 21, 2026 21:09	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:08	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:08	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:07	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:06	olliecrow	CSHARP9.0.14	Success	13,198
Mar 21, 2026 21:06	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:06	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:06	olliecrow	RUSTrust-1.94.0	Success	14,777
Mar 21, 2026 21:05	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:04	olliecrow	CSHARP9.0.14	Success	13,049
Mar 21, 2026 21:04	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:04	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:03	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:02	olliecrow	CSHARP9.0.14	Success	13,189
Mar 21, 2026 21:02	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:02	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:01	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:01	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 21:00	olliecrow	CSHARP9.0.14	Success	13,160
Mar 21, 2026 21:00	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:59	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:59	olliecrow	RUSTrust-1.94.0	Success	14,678
Mar 21, 2026 20:58	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:58	olliecrow	CSHARP9.0.14	Success	12,909
Mar 21, 2026 20:58	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:57	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:56	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:56	olliecrow	CSHARP9.0.14	Success	12,969
Mar 21, 2026 20:55	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:55	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:54	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:53	olliecrow	CSHARP9.0.14	Success	13,149
Mar 21, 2026 20:53	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:53	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:52	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:52	olliecrow	RUSTrust-1.94.0	Success	14,682
Mar 21, 2026 20:51	olliecrow	CSHARP9.0.14	Success	12,937
Mar 21, 2026 20:51	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:51	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:50	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:49	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:48	olliecrow	CSHARP9.0.14	Success	13,170
Mar 21, 2026 20:48	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:47	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:47	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:46	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:45	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:45	olliecrow	CSHARP9.0.14	Success	13,063
Mar 21, 2026 20:45	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:45	olliecrow	RUSTrust-1.94.0	Success	14,657
Mar 21, 2026 20:44	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:44	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:43	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:41	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:41	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:39	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:39	olliecrow	CSHARP9.0.14	Success	12,946
Mar 21, 2026 20:38	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:38	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:37	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:36	olliecrow	CSHARP9.0.14	Success	13,169
Mar 21, 2026 20:36	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:36	olliecrow	RUSTrust-1.94.0	Success	15,422
Mar 21, 2026 20:35	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:35	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:34	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:33	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:33	olliecrow	CSHARP9.0.14	Success	12,891+11.58 RP
Mar 21, 2026 20:33	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:32	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:30	olliecrow	CSHARP9.0.14	Success	12,988+2.36 RP
Mar 21, 2026 20:29	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:29	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:28	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:27	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:26	olliecrow	CSHARP9.0.14	Success	13,166
Mar 21, 2026 20:26	olliecrow	RUSTrust-1.94.0	Success	14,636
Mar 21, 2026 20:25	olliecrow	RUSTrust-1.94.0	Error
Mar 21, 2026 20:24	olliecrow	RUSTrust-1.94.0	Error

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