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
Aug 8, 2023 11:01	matsuoka-601	CPPg++9.3.0	Error
Aug 8, 2023 11:01	matsuoka-601	CPPg++9.3.0	Error
Aug 8, 2023 10:59	matsuoka-601	CPPg++9.3.0	Error
Aug 8, 2023 10:58	matsuoka-601	CPPg++9.3.0	Error
Aug 8, 2023 10:58	matsuoka-601	CPPg++9.3.0	Error
Aug 8, 2023 08:18	Mark Aliev	GOgo1.20.7	Success	135,196+0.79 RP
Aug 8, 2023 08:02	Mark Aliev	GOgo1.20.7	Success	136,650+73.18 RP
Aug 7, 2023 22:37	Mark Aliev	GOgo1.20.7	Error
Aug 7, 2023 22:07	Mark Aliev	GOgo1.20.7	Error
Aug 7, 2023 22:05	Mark Aliev	GOgo1.20.7	Error
Aug 7, 2023 19:56	Ilya Z	GOgo1.20.7	Success	231,629+43.17 RP
Aug 6, 2023 16:26	matsuoka-601	CPPg++9.3.0	Success	11,209
Aug 6, 2023 16:26	matsuoka-601	CPPg++9.3.0	Success	10,422
Aug 6, 2023 16:26	matsuoka-601	CPPclang++10.0.0	Success	10,884
Aug 6, 2023 16:25	matsuoka-601	CPPclang++10.0.0	Success	10,741
Aug 6, 2023 16:24	matsuoka-601	CPPclang++10.0.0	Success	14,549
Aug 6, 2023 16:24	matsuoka-601	CPPg++9.3.0	Success	14,138
Aug 6, 2023 16:23	matsuoka-601	CPPclang++10.0.0	Error
Jul 25, 2023 16:02	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 16:01	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 16:00	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:54	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:53	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:52	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:51	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:43	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:43	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:43	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:30	matsuoka-601	CPPg++9.3.0	Success	17,350
Jul 25, 2023 15:29	matsuoka-601	CPPg++9.3.0	Success	11,469
Jul 25, 2023 15:22	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:18	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:18	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:16	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:16	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:14	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:14	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:14	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:13	matsuoka-601	CPPg++9.3.0	Error
Jul 25, 2023 15:11	matsuoka-601	CPPg++9.3.0	Success	13,854
Jul 25, 2023 15:09	matsuoka-601	CPPg++9.3.0	Success	10,371
Jul 25, 2023 15:09	matsuoka-601	CPPg++9.3.0	Success	16,591
Jul 25, 2023 15:09	matsuoka-601	CPPg++9.3.0	Success	13,800
Jul 24, 2023 16:09	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 16:07	matsuoka-601	CPPclang++10.0.0	Error
Jul 24, 2023 14:54	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 14:54	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 14:53	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 14:53	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 14:51	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 14:50	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 14:50	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 14:34	matsuoka-601	CPPg++9.3.0	Success	10,408
Jul 24, 2023 09:36	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 09:35	matsuoka-601	CPPg++9.3.0	Error
Jul 24, 2023 09:31	matsuoka-601	CPPg++9.3.0	Error
Jul 18, 2023 10:41	Anılcan Gülkaya	CPPg++9.3.0	Error
Jul 18, 2023 10:34	Anılcan Gülkaya	CPPg++9.3.0	Error
Jul 18, 2023 10:32	Anılcan Gülkaya	CPPg++9.3.0	Error
Jul 18, 2023 10:31	Anılcan Gülkaya	CPPg++9.3.0	Error
Jul 18, 2023 10:30	Anılcan Gülkaya	CPPg++9.3.0	Error
Jul 16, 2023 11:14	Tamo	RUSTrust-1.71.0	Error
Jul 16, 2023 11:12	Tamo	RUSTrust-1.71.0	Error
Jul 16, 2023 11:07	Tamo	RUSTrust-1.71.0	Error
Jul 16, 2023 10:40	Tamo	RUSTrust-1.71.0	Error
Jul 16, 2023 10:32	Tamo	RUSTrust-1.71.0	Success	249,257+40.12 RP
Jul 11, 2023 14:59	Andrew Epstein	CPPg++9.3.0	Success	255,404
Jul 10, 2023 04:01	Sedat Kapanoğlu	RUSTrust-1.70.0	Error
Jul 10, 2023 03:53	Sedat Kapanoğlu	RUSTrust-1.70.0	Error
Jul 7, 2023 19:07	Andrew Epstein	CPPg++9.3.0	Success	178,923
Jul 7, 2023 16:32	Andrew Epstein	CPPg++9.3.0	Success	178,265
Jul 7, 2023 02:48	Nguyen Thanh Vinh	CPPg++9.3.0	Success	464,134+21.55 RP
Jul 5, 2023 22:06	Radek Szymanski	CPPg++9.3.0	Success	130,593
Jul 5, 2023 21:54	Radek Szymanski	CPPg++9.3.0	Success	124,367
Jul 5, 2023 21:53	Radek Szymanski	CPPclang++10.0.0	Success	236,368
Jul 5, 2023 21:53	Radek Szymanski	CPPg++9.3.0	Success	124,300+23.72 RP
Jul 5, 2023 21:40	Radek Szymanski	CPPg++9.3.0	Success	178,507
Jul 5, 2023 21:38	Radek Szymanski	CPPg++9.3.0	Success	179,823
Jul 5, 2023 21:36	Radek Szymanski	CPPg++9.3.0	Error
Jul 5, 2023 21:35	Radek Szymanski	CPPg++9.3.0	Success	178,670
Jul 5, 2023 21:33	Radek Szymanski	CPPg++9.3.0	Success	300,043
Jul 5, 2023 21:32	Radek Szymanski	CPPg++9.3.0	Success	178,325
Jul 5, 2023 21:28	Radek Szymanski	CPPg++9.3.0	Success	177,248
Jul 5, 2023 21:27	Radek Szymanski	CPPg++9.3.0	Success	198,869
Jul 5, 2023 21:27	Radek Szymanski	CPPg++9.3.0	Success	177,989
Jul 5, 2023 21:26	Radek Szymanski	CPPg++9.3.0	Success	177,385
Jul 5, 2023 21:25	Radek Szymanski	CPPg++9.3.0	Error
Jul 5, 2023 21:24	Radek Szymanski	CPPg++9.3.0	Success	176,278+10.17 RP
Jul 5, 2023 21:23	Radek Szymanski	CPPg++9.3.0	Success	215,047
Jul 5, 2023 21:21	Radek Szymanski	CPPclang++10.0.0	Success	354,420
Jul 5, 2023 21:20	Radek Szymanski	CPPg++9.3.0	Success	351,289
Jul 5, 2023 20:57	Radek Szymanski	CPPg++9.3.0	Success	214,789+0.93 RP
Jul 5, 2023 20:54	Radek Szymanski	CPPclang++10.0.0	Success	299,015
Jul 5, 2023 20:53	Radek Szymanski	CPPg++9.3.0	Success	219,146+4.72 RP
Jul 5, 2023 20:50	Radek Szymanski	CPPg++9.3.0	Success	244,412+1.01 RP
Jul 5, 2023 20:45	Radek Szymanski	CPPg++9.3.0	Success	250,567+4.17 RP
Jul 5, 2023 20:29	Radek Szymanski	CPPg++9.3.0	Success	279,791+14.23 RP
Jul 5, 2023 20:27	Radek Szymanski	CPPg++9.3.0	Error
Jul 5, 2023 19:34	Radek Szymanski	CPPg++9.3.0	Error
Jul 5, 2023 19:33	Radek Szymanski	CPPg++9.3.0	Success	464,844+21.51 RP

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