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
Dec 27, 2025 21:42	Josu San Martin	RUSTrust-1.92.0	Success	22,346
Dec 27, 2025 21:42	Josu San Martin	RUSTrust-1.92.0	Success	22,666
Dec 27, 2025 21:41	Josu San Martin	RUSTrust-1.92.0	Success	22,473
Dec 27, 2025 21:37	Josu San Martin	RUSTrust-1.92.0	Success	22,609
Dec 27, 2025 21:00	Josu San Martin	RUSTrust-1.92.0	Success	21,933+2.01 RP
Dec 27, 2025 21:00	Josu San Martin	RUSTrust-1.92.0	Success	24,053
Dec 27, 2025 20:48	Josu San Martin	RUSTrust-1.92.0	Success	22,030+37.43 RP
Dec 27, 2025 20:48	Josu San Martin	RUSTrust-1.92.0	Success	24,559
Dec 27, 2025 20:46	Josu San Martin	RUSTrust-1.92.0	Success	25,649
Dec 27, 2025 20:35	Josu San Martin	RUSTrust-1.92.0	Success	24,010+56.30 RP
Dec 27, 2025 20:20	Josu San Martin	RUSTrust-1.92.0	Success	29,629
Dec 27, 2025 18:47	Josu San Martin	RUSTrust-1.92.0	Success	44,730
Dec 27, 2025 18:47	Josu San Martin	RUSTrust-1.92.0	Success	34,299
Dec 27, 2025 18:47	Josu San Martin	RUSTrust-1.92.0	Success	35,144
Dec 26, 2025 20:50	zielaj	CPPclang++18.1.3	Error	+24.98 RP
Dec 26, 2025 20:47	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:46	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:42	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:40	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:39	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:34	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:32	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:31	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:26	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:25	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:24	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:23	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:22	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 20:21	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 18:33	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 18:32	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 17:18	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 17:14	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 17:13	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 17:11	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 16:01	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:59	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:57	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:54	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:52	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:41	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:40	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:38	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:35	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:29	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:17	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:13	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:12	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 15:06	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 14:54	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:55	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:44	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:43	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:42	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:40	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:39	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:27	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:24	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:19	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:17	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:14	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:08	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 12:06	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 11:58	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 11:53	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 11:50	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 11:48	zielaj	CPPclang++18.1.3	Error
Dec 26, 2025 03:38	Josu San Martin	RUSTrust-1.92.0	Success	27,763+30.90 RP
Dec 26, 2025 03:37	Josu San Martin	RUSTrust-1.92.0	Error
Dec 26, 2025 01:20	Josu San Martin	RUSTrust-1.92.0	Success	46,557
Dec 25, 2025 23:06	zielaj	CPPclang++18.1.3	Error
Dec 25, 2025 23:04	zielaj	CPPclang++18.1.3	Error
Dec 25, 2025 23:01	zielaj	CPPclang++18.1.3	Error
Dec 25, 2025 22:57	zielaj	CPPclang++18.1.3	Error	+34.88 RP
Dec 25, 2025 22:55	zielaj	CPPclang++18.1.3	Error
Dec 25, 2025 22:44	zielaj	CPPclang++18.1.3	Error
Dec 25, 2025 22:17	zielaj	CPPclang++18.1.3	Error	+0.69 RP
Dec 25, 2025 22:06	zielaj	CPPclang++18.1.3	Error
Dec 25, 2025 22:01	zielaj	CPPclang++18.1.3	Error	+3.44 RP
Dec 25, 2025 16:34	Josu San Martin	RUSTrust-1.92.0	Success	30,413
Dec 25, 2025 16:33	Josu San Martin	RUSTrust-1.92.0	Success	30,368+0.08 RP
Dec 24, 2025 21:19	zielaj	CPPclang++18.1.3	Error	+15.01 RP
Dec 24, 2025 21:09	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 20:23	zielaj	CPPclang++18.1.3	Error	+16.18 RP
Dec 24, 2025 20:22	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 20:16	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 20:15	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 20:05	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 20:04	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 20:04	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 19:54	zielaj	CPPclang++18.1.3	Error	+11.34 RP
Dec 24, 2025 13:41	zielaj	CPPclang++18.1.3	Error	+81.69 RP
Dec 24, 2025 13:40	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 13:36	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 13:32	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 13:29	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 12:24	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 12:22	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 12:15	zielaj	CPPclang++18.1.3	Error
Dec 24, 2025 12:10	zielaj	CPPclang++18.1.3	Error

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