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
Sep 3, 2023 03:45	matsuoka-601	CPPclang++10.0.0	Error
Sep 3, 2023 03:45	matsuoka-601	CPPclang++10.0.0	Error
Sep 3, 2023 03:29	matsuoka-601	CPPclang++10.0.0	Error
Sep 3, 2023 03:28	matsuoka-601	CPPclang++10.0.0	Error
Sep 3, 2023 03:26	matsuoka-601	CPPclang++10.0.0	Error
Sep 3, 2023 03:25	matsuoka-601	CPPclang++10.0.0	Error
Sep 3, 2023 03:23	matsuoka-601	CPPclang++10.0.0	Error
Sep 3, 2023 03:19	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 15:15	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 15:14	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 15:13	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 15:12	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 15:11	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 14:22	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 14:15	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 14:13	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 14:12	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 09:29	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 09:20	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 09:20	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 09:19	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 09:13	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 09:07	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 09:02	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 08:55	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 08:54	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 08:53	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 08:52	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 08:51	matsuoka-601	CPPclang++10.0.0	Error
Sep 2, 2023 08:49	matsuoka-601	CPPclang++10.0.0	Error
Sep 1, 2023 19:58	korsajan	GOgo1.20.6	Success	244,058+40.97 RP
Aug 27, 2023 12:51	matsuoka-601	CPPclang++10.0.0	Success	7,430
Aug 27, 2023 12:30	matsuoka-601	CPPg++9.3.0	Success	7,207
Aug 27, 2023 09:49	matsuoka-601	CPPclang++10.0.0	Success	7,158
Aug 27, 2023 09:48	matsuoka-601	CPPclang++10.0.0	Success	7,379
Aug 27, 2023 09:47	matsuoka-601	CPPclang++10.0.0	Success	7,636
Aug 27, 2023 09:44	matsuoka-601	CPPclang++10.0.0	Success	7,400
Aug 27, 2023 09:37	matsuoka-601	CPPclang++10.0.0	Success	7,129+33.23 RP
Aug 27, 2023 09:30	matsuoka-601	CPPclang++10.0.0	Error
Aug 27, 2023 09:14	matsuoka-601	CPPclang++10.0.0	Success	7,470
Aug 27, 2023 09:13	matsuoka-601	CPPclang++10.0.0	Success	7,302+148.49 RP
Aug 27, 2023 09:12	matsuoka-601	CPPclang++10.0.0	Success	8,220
Aug 27, 2023 08:42	matsuoka-601	CPPclang++10.0.0	Success	8,264
Aug 26, 2023 13:04	Memresable	CPPg++9.3.0	Error
Aug 26, 2023 12:35	Memresable	CPPg++9.3.0	Error
Aug 26, 2023 12:31	Memresable	CPPg++9.3.0	Error
Aug 26, 2023 11:56	Memresable	CPPg++9.3.0	Error
Aug 26, 2023 11:55	Memresable	CPPg++9.3.0	Error
Aug 26, 2023 11:54	Memresable	CPPg++9.3.0	Error
Aug 26, 2023 11:44	Memresable	CPPg++9.3.0	Success	464,190+21.54 RP
Aug 26, 2023 11:42	Memresable	CPPg++9.3.0	Error
Aug 26, 2023 11:36	Memresable	CPPg++9.3.0	Error
Aug 26, 2023 11:16	Memresable	CPPg++9.3.0	Error
Aug 26, 2023 10:17	Memresable	CPPg++9.3.0	Error
Aug 21, 2023 04:27	matsuoka-601	CPPclang++10.0.0	Error
Aug 21, 2023 03:57	matsuoka-601	CPPclang++10.0.0	Success	8,298
Aug 21, 2023 03:57	matsuoka-601	CPPclang++10.0.0	Success	8,318
Aug 21, 2023 03:51	matsuoka-601	CPPclang++10.0.0	Success	8,190+5.20 RP
Aug 21, 2023 03:45	matsuoka-601	CPPclang++10.0.0	Success	8,225+39.20 RP
Aug 20, 2023 15:57	Robert Burke	CPPg++9.3.0	Error
Aug 20, 2023 15:55	Robert Burke	CPPg++9.3.0	Success	7,686
Aug 20, 2023 15:51	Robert Burke	CPPg++9.3.0	Success	7,530
Aug 20, 2023 15:47	Robert Burke	CPPg++9.3.0	Success	7,443
Aug 20, 2023 15:47	Robert Burke	CPPg++9.3.0	Success	7,371+17.80 RP
Aug 20, 2023 15:46	Robert Burke	CPPg++9.3.0	Error
Aug 11, 2023 17:09	Mark Aliev	GOgo1.20.7	Success	140,316
Aug 11, 2023 16:30	Mark Aliev	GOgo1.20.7	Success	130,593
Aug 11, 2023 16:24	Mark Aliev	GOgo1.20.7	Success	125,666
Aug 11, 2023 16:23	Mark Aliev	GOgo1.20.7	Success	128,407
Aug 11, 2023 16:20	Mark Aliev	GOgo1.20.7	Success	125,495
Aug 11, 2023 16:19	Mark Aliev	GOgo1.20.7	Error
Aug 11, 2023 16:17	Mark Aliev	GOgo1.20.7	Error
Aug 11, 2023 16:13	Mark Aliev	GOgo1.20.7	Success	124,780+5.70 RP
Aug 11, 2023 15:48	Mark Aliev	GOgo1.20.7	Success	134,329+0.48 RP
Aug 11, 2023 15:46	Mark Aliev	GOgo1.20.7	Error
Aug 11, 2023 15:44	Mark Aliev	GOgo1.20.7	Success	153,824
Aug 11, 2023 15:41	Mark Aliev	GOgo1.20.7	Success	152,106
Aug 11, 2023 15:39	Mark Aliev	GOgo1.20.7	Error
Aug 11, 2023 15:21	Mark Aliev	GOgo1.20.7	Error
Aug 11, 2023 15:14	Mark Aliev	GOgo1.20.7	Error
Aug 11, 2023 13:42	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 13:38	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 13:09	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 12:51	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 12:48	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 12:47	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 12:24	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 12:13	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 12:12	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 12:08	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 11:22	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 11:18	Cadovvl	CPPg++9.3.0	Error
Aug 11, 2023 10:54	Cadovvl	CPPg++9.3.0	Success	464,803+21.51 RP
Aug 9, 2023 16:44	matsuoka-601	CPPclang++10.0.0	Success	8,660
Aug 9, 2023 13:21	Mikhail Solovev	GOgo1.20.7	Success	187,289+5.06 RP
Aug 9, 2023 13:19	Mikhail Solovev	GOgo1.20.7	Success	206,900+0.38 RP
Aug 9, 2023 13:16	Mikhail Solovev	GOgo1.20.7	Success	208,556
Aug 9, 2023 13:14	Mikhail Solovev	GOgo1.20.7	Success	208,569+4.92 RP
Aug 9, 2023 13:13	Mikhail Solovev	GOgo1.20.7	Error
Aug 9, 2023 13:12	Mikhail Solovev	GOgo1.20.7	Error

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