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
May 14, 2026 09:36	Josu San Martin	CPPg++14.2.0	Success	3,355
May 14, 2026 03:45	Josu San Martin	CPPg++13.3.0	Success	3,341
May 14, 2026 03:44	Josu San Martin	CPPg++14.2.0	Success	3,394
May 14, 2026 01:13	Josu San Martin	CPPg++13.3.0	Success	3,373
May 14, 2026 01:12	Josu San Martin	CPPg++14.2.0	Success	3,383
May 13, 2026 21:35	Josu San Martin	CPPg++14.2.0	Success	3,341
May 13, 2026 21:19	Josu San Martin	CPPg++14.2.0	Success	3,321
May 13, 2026 21:14	Josu San Martin	CPPg++14.2.0	Success	3,323
May 13, 2026 20:52	Josu San Martin	CPPg++14.2.0	Success	3,415
May 13, 2026 20:12	Josu San Martin	CPPg++14.2.0	Error
May 13, 2026 20:04	Josu San Martin	CPPg++14.2.0	Success	3,374
May 13, 2026 19:41	Josu San Martin	CPPg++14.2.0	Success	3,321+16.23 RP
May 13, 2026 19:41	Pavel Skripkin	RUSTrust-1.95.0	Success	11,774
May 13, 2026 19:39	Pavel Skripkin	RUSTrust-1.95.0	Success	15,738
May 13, 2026 19:35	Pavel Skripkin	RUSTrust-1.95.0	Success	16,589
May 13, 2026 19:31	Pavel Skripkin	RUSTrust-1.95.0	Success	16,970
May 13, 2026 19:30	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 19:29	Josu San Martin	CPPg++14.2.0	Success	3,339+26.67 RP
May 13, 2026 19:24	Pavel Skripkin	RUSTrust-1.95.0	Success	16,786
May 13, 2026 19:19	Pavel Skripkin	RUSTrust-1.95.0	Success	12,126
May 13, 2026 19:16	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 19:14	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 19:13	Josu San Martin	CPPg++13.3.0	Success	3,384
May 13, 2026 19:08	Pavel Skripkin	RUSTrust-1.95.0	Success	11,623
May 13, 2026 19:06	Pavel Skripkin	RUSTrust-1.95.0	Success	16,319
May 13, 2026 19:03	Pavel Skripkin	RUSTrust-1.95.0	Success	11,512+3.68 RP
May 13, 2026 19:01	Pavel Skripkin	RUSTrust-1.95.0	Success	12,107
May 13, 2026 19:00	Pavel Skripkin	RUSTrust-1.95.0	Success	12,159
May 13, 2026 18:54	Josu San Martin	CPPg++13.3.0	Success	3,369+42.55 RP
May 13, 2026 18:51	Pavel Skripkin	RUSTrust-1.95.0	Success	11,949
May 13, 2026 18:49	Pavel Skripkin	RUSTrust-1.95.0	Success	11,561+110.26 RP
May 13, 2026 18:34	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 18:28	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 18:26	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 18:24	Josu San Martin	CPPg++13.3.0	Success	3,422
May 13, 2026 18:18	Pavel Skripkin	RUSTrust-1.95.0	Success	15,592
May 13, 2026 18:00	Josu San Martin	CPPg++13.3.0	Success	3,418+8.53 RP
May 13, 2026 17:46	Josu San Martin	CPPg++13.3.0	Success	3,460
May 13, 2026 17:36	Josu San Martin	CPPg++13.3.0	Success	3,458
May 13, 2026 16:50	Josu San Martin	CPPg++13.3.0	Success	3,463
May 13, 2026 16:42	Pavel Skripkin	RUSTrust-1.95.0	Success	13,421
May 13, 2026 16:28	Josu San Martin	CPPg++13.3.0	Success	3,461
May 13, 2026 16:11	Josu San Martin	CPPg++13.3.0	Success	3,468
May 13, 2026 16:03	Josu San Martin	CPPg++13.3.0	Success	3,462
May 13, 2026 15:38	Pavel Skripkin	RUSTrust-1.95.0	Success	13,984
May 13, 2026 15:18	Pavel Skripkin	RUSTrust-1.95.0	Success	13,250+4.98 RP
May 13, 2026 15:17	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 14:49	Josu San Martin	CPPg++13.3.0	Success	3,428+22.80 RP
May 13, 2026 14:47	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 14:46	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 14:44	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 14:41	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 14:41	Pavel Skripkin	RUSTrust-1.95.0	Error
May 13, 2026 13:59	Josu San Martin	CPPg++13.3.0	Success	3,455+5.02 RP
May 13, 2026 12:41	Josu San Martin	CPPg++13.3.0	Success	3,461+5.83 RP
May 13, 2026 12:12	Josu San Martin	CPPg++14.2.0	Success	3,538
May 13, 2026 11:55	Josu San Martin	CPPg++13.3.0	Success	3,519
May 13, 2026 09:12	Josu San Martin	CPPg++13.3.0	Success	3,553
May 13, 2026 08:19	Josu San Martin	CPPg++13.3.0	Success	3,468+8.29 RP
May 13, 2026 07:17	Josu San Martin	CPPg++13.3.0	Success	3,487
May 13, 2026 06:07	Josu San Martin	CPPg++13.3.0	Success	3,511
May 13, 2026 06:05	Josu San Martin	CPPg++13.3.0	Success	3,478+4.13 RP
May 13, 2026 06:00	Josu San Martin	CPPg++13.3.0	Success	3,483
May 13, 2026 05:52	Josu San Martin	CPPg++13.3.0	Success	3,483+1.65 RP
May 13, 2026 05:15	Josu San Martin	CPPg++13.3.0	Success	3,488
May 13, 2026 05:13	Josu San Martin	CPPg++10.5.0	Success	3,629
May 13, 2026 05:09	Josu San Martin	CPPg++13.3.0	Success	3,524
May 13, 2026 05:06	Josu San Martin	CPPg++13.3.0	Success	3,485+23.68 RP
May 13, 2026 05:01	Josu San Martin	CPPg++13.3.0	Success	3,528
May 13, 2026 04:52	Josu San Martin	CPPg++13.3.0	Success	3,523
May 13, 2026 04:46	Josu San Martin	CPPg++13.3.0	Success	3,529
May 13, 2026 04:43	Josu San Martin	CPPg++13.3.0	Success	3,514+4.04 RP
May 13, 2026 04:40	Josu San Martin	CPPg++13.3.0	Success	3,519+3.23 RP
May 13, 2026 04:35	Josu San Martin	CPPg++13.3.0	Success	3,523
May 13, 2026 04:06	Josu San Martin	CPPg++13.3.0	Success	3,523+15.23 RP
May 13, 2026 03:56	Josu San Martin	CPPg++13.3.0	Success	3,542+45.49 RP
May 13, 2026 03:44	Josu San Martin	CPPg++13.3.0	Success	3,600+55.95 RP
May 13, 2026 03:26	Josu San Martin	CPPg++14.2.0	Success	3,701
May 13, 2026 02:26	Josu San Martin	CPPg++13.3.0	Success	3,674+150.47 RP
May 13, 2026 01:02	Josu San Martin	CPPg++13.3.0	Success	3,892
May 13, 2026 00:16	Josu San Martin	CPPg++13.3.0	Success	3,889+17.73 RP
May 13, 2026 00:11	Josu San Martin	CPPg++13.3.0	Success	3,916+11.68 RP
May 12, 2026 23:56	Josu San Martin	CPPg++13.3.0	Success	3,938
May 12, 2026 23:47	Josu San Martin	CPPg++13.3.0	Success	3,934+26.85 RP
May 12, 2026 23:31	Josu San Martin	CPPg++13.3.0	Success	3,976+16.34 RP
May 12, 2026 23:16	Josu San Martin	CPPg++13.3.0	Success	4,002+27.17 RP
May 12, 2026 23:00	Josu San Martin	CPPg++13.3.0	Success	4,074
May 12, 2026 22:27	Josu San Martin	CPPg++13.3.0	Success	4,062
May 12, 2026 22:20	Josu San Martin	CPPg++13.3.0	Success	4,062
May 12, 2026 21:48	Josu San Martin	CPPg++13.3.0	Success	4,052
May 12, 2026 21:07	Josu San Martin	CPPg++13.3.0	Success	4,063
May 12, 2026 20:13	Josu San Martin	CPPg++13.3.0	Success	4,054
May 12, 2026 20:11	Victor Mercklé	CSHARP10.0.7	Success	8,172+445.18 RP
May 12, 2026 20:05	Victor Mercklé	ZIG0.16.0	Success	8,146+188.53 RP
May 12, 2026 18:41	Josu San Martin	CPPg++13.3.0	Success	4,073
May 12, 2026 08:20	Victor Mercklé	CPPg++13.3.0	Success	6,649
May 12, 2026 07:22	Victor Mercklé	CPPg++13.3.0	Success	6,683
May 12, 2026 07:04	Victor Mercklé	CPPg++13.3.0	Success	6,754
May 12, 2026 04:17	Chang Jia Jun	CPPg++10.5.0	Success	193,550+51.67 RP
May 12, 2026 01:42	Victor Mercklé	CPPg++13.3.0	Success	7,113

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