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 15, 2026 03:12	limanjun99	CPPg++13.3.0	Success	15,111
Mar 15, 2026 03:07	limanjun99	CPPg++13.3.0	Error
Mar 15, 2026 03:07	limanjun99	CPPg++13.3.0	Success	14,423+119.51 RP
Mar 15, 2026 01:14	limanjun99	CPPg++13.3.0	Error
Mar 15, 2026 01:08	limanjun99	CPPg++13.3.0	Success	17,427+76.24 RP
Mar 14, 2026 20:15	Elijah Kin	CPPg++13.3.0	Success	493,047
Mar 14, 2026 20:05	Elijah Kin	CPPg++13.3.0	Error
Mar 14, 2026 19:56	Elijah Kin	CPPg++13.3.0	Error
Mar 14, 2026 19:17	Dominique Garmier	CPPg++13.3.0	Success	88,572+15.84 RP
Mar 14, 2026 17:23	Dominique Garmier	CPPg++13.3.0	Success	103,024+1.05 RP
Mar 14, 2026 16:20	Dominique Garmier	CPPclang++18.1.3	Success	104,319
Mar 14, 2026 16:16	limanjun99	CPPg++13.3.0	Success	20,097+78.30 RP
Mar 14, 2026 16:12	Dominique Garmier	CPPclang++18.1.3	Success	112,304
Mar 14, 2026 16:11	Dominique Garmier	CPPg++13.3.0	Success	113,108
Mar 14, 2026 15:33	limanjun99	CPPg++13.3.0	Success	23,850+10.84 RP
Mar 14, 2026 15:32	limanjun99	CPPg++13.3.0	Success	24,483+4.94 RP
Mar 14, 2026 15:25	limanjun99	CPPg++13.3.0	Success	32,379
Mar 14, 2026 15:23	limanjun99	CPPg++13.3.0	Error
Mar 14, 2026 15:01	limanjun99	CPPg++13.3.0	Success	26,102
Mar 14, 2026 14:50	limanjun99	CPPg++13.3.0	Success	24,783+15.06 RP
Mar 14, 2026 14:43	limanjun99	CPPg++13.3.0	Success	29,293
Mar 14, 2026 14:36	limanjun99	CPPg++13.3.0	Success	25,744+51.59 RP
Mar 14, 2026 14:34	limanjun99	CPPg++13.3.0	Success	39,990
Mar 14, 2026 14:31	limanjun99	CPPg++13.3.0	Success	29,687+37.37 RP
Mar 14, 2026 13:58	limanjun99	CPPg++13.3.0	Success	33,391+37.37 RP
Mar 14, 2026 09:54	limanjun99	CPPg++13.3.0	Error
Mar 14, 2026 09:52	limanjun99	CPPg++13.3.0	Error
Mar 14, 2026 09:44	limanjun99	CPPg++13.3.0	Success	38,151+15.83 RP
Mar 14, 2026 09:40	limanjun99	CPPg++13.3.0	Success	47,824
Mar 14, 2026 09:40	limanjun99	CPPg++13.3.0	Success	40,603+20.29 RP
Mar 14, 2026 09:35	limanjun99	CPPg++13.3.0	Success	44,249+201.99 RP
Mar 14, 2026 09:34	limanjun99	CPPg++13.3.0	Error
Mar 14, 2026 05:27	limanjun99	CPPg++13.3.0	Error
Mar 14, 2026 05:02	limanjun99	CPPg++13.3.0	Success	416,641+1.36 RP
Mar 14, 2026 04:55	limanjun99	CPPg++13.3.0	Success	441,628+2.21 RP
Mar 14, 2026 04:48	limanjun99	CPPg++13.3.0	Success	489,442+20.43 RP
Mar 13, 2026 15:55	Dominique Garmier	CPPclang++18.1.3	Success	326,643
Mar 13, 2026 15:05	Dominique Garmier	CPPclang++18.1.3	Success	104,150+7.85 RP
Mar 13, 2026 14:27	Dominique Garmier	CPPclang++18.1.3	Success	113,417+57.52 RP
Mar 13, 2026 14:24	Dominique Garmier	CPPclang++18.1.3	Success	326,795
Mar 13, 2026 11:24	Dominique Garmier	CPPg++13.3.0	Success	326,233+30.65 RP
Mar 13, 2026 04:34	olliecrow	CPPg++13.3.0	Success	14,377
Mar 13, 2026 04:22	olliecrow	CPPg++13.3.0	Success	14,427
Mar 13, 2026 04:18	olliecrow	CPPg++13.3.0	Error
Mar 13, 2026 04:00	olliecrow	CPPg++13.3.0	Error
Mar 13, 2026 03:45	olliecrow	CPPg++13.3.0	Error
Mar 13, 2026 03:37	olliecrow	CPPg++13.3.0	Success	14,327
Mar 13, 2026 03:36	olliecrow	RUSTrust-1.94.0	Success	14,682
Mar 13, 2026 03:31	olliecrow	CPPg++13.3.0	Error
Mar 11, 2026 17:10	olliecrow	CPPg++13.3.0	Success	14,366
Mar 11, 2026 17:03	olliecrow	CPPg++13.3.0	Success	14,399
Mar 11, 2026 16:58	olliecrow	CPPg++13.3.0	Success	14,332
Mar 11, 2026 16:54	olliecrow	CPPg++13.3.0	Error
Mar 11, 2026 16:52	olliecrow	RUSTrust-1.94.0	Success	14,668
Mar 11, 2026 16:35	olliecrow	RUSTrust-1.94.0	Success	14,919
Mar 11, 2026 16:29	olliecrow	CPPg++13.3.0	Success	14,372
Mar 11, 2026 16:26	olliecrow	RUSTrust-1.94.0	Success	15,122
Mar 11, 2026 16:21	olliecrow	RUSTrust-1.94.0	Success	14,929
Mar 11, 2026 16:21	olliecrow	CPPg++13.3.0	Success	14,461
Mar 11, 2026 16:14	olliecrow	RUSTrust-1.94.0	Success	14,585
Mar 11, 2026 16:09	olliecrow	CPPg++13.3.0	Success	14,338
Mar 11, 2026 16:03	olliecrow	CPPg++13.3.0	Success	14,320
Mar 11, 2026 03:46	olliecrow	CPPg++13.3.0	Success	14,357
Mar 10, 2026 14:15	olliecrow	CPPg++13.3.0	Success	14,445
Mar 10, 2026 14:11	olliecrow	CPPg++13.3.0	Success	14,387
Mar 10, 2026 13:58	olliecrow	CPPg++13.3.0	Success	14,346
Mar 10, 2026 13:50	olliecrow	CPPg++13.3.0	Success	14,316+0.78 RP
Mar 10, 2026 13:49	olliecrow	CPPg++13.3.0	Success	14,425
Mar 10, 2026 13:43	olliecrow	CPPg++13.3.0	Success	14,429
Mar 10, 2026 13:29	olliecrow	CPPg++13.3.0	Success	14,332+0.24 RP
Mar 10, 2026 13:24	olliecrow	CPPg++13.3.0	Success	14,372
Mar 10, 2026 13:11	olliecrow	CPPg++13.3.0	Success	14,432
Mar 10, 2026 13:07	olliecrow	CPPg++13.3.0	Error
Mar 10, 2026 06:27	olliecrow	RUSTrust-1.93.0	Success	16,847
Mar 10, 2026 06:23	olliecrow	RUSTrust-1.93.0	Success	19,530
Mar 10, 2026 05:46	olliecrow	RUSTrust-1.94.0	Success	14,764
Mar 10, 2026 05:26	olliecrow	RUSTrust-1.94.0	Success	23,920
Mar 10, 2026 04:32	olliecrow	CPPg++13.3.0	Success	14,337+0.10 RP
Mar 10, 2026 04:31	olliecrow	CPPg++13.3.0	Error
Mar 10, 2026 04:24	olliecrow	CPPg++13.3.0	Success	14,419
Mar 10, 2026 04:20	olliecrow	CPPg++13.3.0	Success	14,473
Mar 9, 2026 21:39	Pavel Samygin	CPPclang++18.1.3	Success	54,866
Mar 9, 2026 21:26	Pavel Samygin	CPPclang++18.1.3	Error
Mar 9, 2026 21:25	Pavel Samygin	CPPclang++18.1.3	Error
Mar 9, 2026 21:16	Pavel Samygin	CPPclang++18.1.3	Success	13,285
Mar 9, 2026 21:16	Pavel Samygin	CPPclang++18.1.3	Success	13,331
Mar 9, 2026 21:15	Pavel Samygin	CPPclang++18.1.3	Error
Mar 9, 2026 21:09	Pavel Samygin	CPPclang++18.1.3	Success	12,909+4.06 RP
Mar 9, 2026 21:05	Pavel Samygin	CPPclang++18.1.3	Success	13,815
Mar 9, 2026 21:04	Pavel Samygin	CPPclang++18.1.3	Success	13,466
Mar 9, 2026 21:00	Pavel Samygin	CPPclang++18.1.3	Success	12,977+67.16 RP
Mar 9, 2026 20:42	Pavel Samygin	CPPclang++18.1.3	Success	18,391
Mar 9, 2026 20:25	Pavel Samygin	CPPclang++18.1.3	Success	14,216+1.48 RP
Mar 9, 2026 20:18	Pavel Samygin	CPPclang++18.1.3	Success	14,246+16.08 RP
Mar 9, 2026 20:05	Pavel Samygin	CPPclang++18.1.3	Success	14,711
Mar 9, 2026 13:50	Alexander Krivolapov	RUSTrust-1.93.1	Success	129,540
Mar 9, 2026 13:47	Alexander Krivolapov	RUSTrust-1.93.1	Success	38,981
Mar 9, 2026 13:45	Alexander Krivolapov	RUSTrust-1.93.1	Success	36,664
Mar 9, 2026 04:57	olliecrow	CPPg++13.3.0	Error
Mar 9, 2026 04:41	olliecrow	CPPg++13.3.0	Error

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