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 22, 2026 12:12	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:12	olliecrow	CSHARP9.0.14	Success	13,130
Mar 22, 2026 12:11	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:10	olliecrow	CSHARP9.0.14	Success	12,949
Mar 22, 2026 12:10	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:09	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:09	olliecrow	CSHARP9.0.14	Success	13,010
Mar 22, 2026 12:08	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:08	olliecrow	RUSTrust-1.94.0	Success	14,730
Mar 22, 2026 12:06	olliecrow	CSHARP9.0.14	Success	13,118
Mar 22, 2026 12:06	olliecrow	ZIG0.14.0	Error
Mar 22, 2026 12:05	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:05	olliecrow	ZIG0.14.0	Error
Mar 22, 2026 12:04	olliecrow	CSHARP9.0.14	Success	13,156
Mar 22, 2026 12:03	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:03	olliecrow	CSHARP9.0.14	Success	12,948
Mar 22, 2026 12:01	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:01	olliecrow	CSHARP9.0.14	Success	12,920
Mar 22, 2026 12:00	olliecrow	ZIG0.14.0	Success	9,702
Mar 22, 2026 11:59	olliecrow	CSHARP9.0.14	Success	13,227
Mar 22, 2026 11:58	olliecrow	ZIG0.14.0	Success	9,789
Mar 22, 2026 11:58	olliecrow	CSHARP9.0.14	Success	13,164
Mar 22, 2026 11:57	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:57	olliecrow	ZIG0.14.0	Success	9,726
Mar 22, 2026 11:56	olliecrow	CSHARP9.0.14	Success	13,170
Mar 22, 2026 11:55	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:55	olliecrow	ZIG0.14.0	Success	9,727
Mar 22, 2026 11:54	olliecrow	CSHARP9.0.14	Success	13,173
Mar 22, 2026 11:53	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:52	olliecrow	CSHARP9.0.14	Success	13,254
Mar 22, 2026 11:51	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:49	olliecrow	CSHARP9.0.14	Success	13,189
Mar 22, 2026 11:48	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:48	olliecrow	ZIG0.14.0	Success	9,722
Mar 22, 2026 11:47	olliecrow	CSHARP9.0.14	Success	13,314
Mar 22, 2026 11:46	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:46	olliecrow	ZIG0.14.0	Success	9,732
Mar 22, 2026 11:45	olliecrow	CSHARP9.0.14	Success	13,130
Mar 22, 2026 11:45	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:44	olliecrow	RUSTrust-1.94.0	Success	14,920
Mar 22, 2026 11:44	olliecrow	ZIG0.14.0	Success	9,722
Mar 22, 2026 11:43	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:41	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:39	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:39	olliecrow	ZIG0.14.0	Success	9,698
Mar 22, 2026 11:37	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:37	olliecrow	ZIG0.14.0	Success	9,744
Mar 22, 2026 11:35	olliecrow	CSHARP9.0.14	Success	13,235
Mar 22, 2026 11:34	olliecrow	ZIG0.14.0	Success	9,771
Mar 22, 2026 11:31	olliecrow	CSHARP9.0.14	Success	13,188
Mar 22, 2026 11:31	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:30	olliecrow	ZIG0.14.0	Success	9,766
Mar 22, 2026 11:26	olliecrow	CSHARP9.0.14	Success	12,915
Mar 22, 2026 11:25	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:24	olliecrow	CSHARP9.0.14	Success	13,163
Mar 22, 2026 11:23	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:22	olliecrow	CSHARP9.0.14	Success	13,203
Mar 22, 2026 11:21	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:21	olliecrow	ZIG0.14.0	Success	9,697
Mar 22, 2026 11:20	olliecrow	CSHARP9.0.14	Success	12,990
Mar 22, 2026 11:19	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:19	olliecrow	ZIG0.14.0	Success	9,790
Mar 22, 2026 11:18	olliecrow	CSHARP9.0.14	Success	13,082
Mar 22, 2026 11:17	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:17	olliecrow	RUSTrust-1.94.0	Success	15,152
Mar 22, 2026 11:17	olliecrow	ZIG0.14.0	Success	9,746
Mar 22, 2026 11:16	olliecrow	CSHARP9.0.14	Success	13,353
Mar 22, 2026 11:15	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:15	olliecrow	ZIG0.14.0	Success	9,747
Mar 22, 2026 11:14	olliecrow	CSHARP9.0.14	Success	13,068
Mar 22, 2026 11:13	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:13	olliecrow	ZIG0.14.0	Success	9,748
Mar 22, 2026 11:12	olliecrow	CSHARP9.0.14	Success	13,054
Mar 22, 2026 11:11	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:10	olliecrow	CSHARP9.0.14	Success	13,005
Mar 22, 2026 11:09	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:08	olliecrow	CSHARP9.0.14	Success	13,069
Mar 22, 2026 11:07	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:07	olliecrow	ZIG0.14.0	Success	9,718
Mar 22, 2026 11:06	olliecrow	CSHARP9.0.14	Success	12,964
Mar 22, 2026 11:05	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:05	olliecrow	ZIG0.14.0	Success	9,720
Mar 22, 2026 11:04	olliecrow	CSHARP9.0.14	Success	13,110
Mar 22, 2026 11:03	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:03	olliecrow	ZIG0.14.0	Success	9,783
Mar 22, 2026 11:02	olliecrow	CSHARP9.0.14	Success	13,091
Mar 22, 2026 11:02	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 11:01	olliecrow	ZIG0.14.0	Success	9,788
Mar 22, 2026 11:00	olliecrow	CSHARP9.0.14	Success	13,184
Mar 22, 2026 11:00	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 10:59	olliecrow	ZIG0.14.0	Success	9,731
Mar 22, 2026 10:58	olliecrow	CSHARP9.0.14	Success	13,042
Mar 22, 2026 10:58	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 10:58	olliecrow	RUSTrust-1.94.0	Success	15,090
Mar 22, 2026 10:57	olliecrow	ZIG0.14.0	Success	9,776
Mar 22, 2026 10:57	olliecrow	CSHARP9.0.14	Success	12,972
Mar 22, 2026 10:56	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 10:55	olliecrow	ZIG0.14.0	Success	9,767
Mar 22, 2026 10:54	olliecrow	CSHARP9.0.14	Success	13,202
Mar 22, 2026 10:54	olliecrow	RUSTrust-1.94.0	Error

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