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
Nov 26, 2022 17:07	parastrom	RUSTrust-1.65.0	Error
Nov 26, 2022 14:51	Kenneth Maples	CPPclang++10.0.0	Success	22,631
Nov 26, 2022 14:50	Kenneth Maples	CPPclang++10.0.0	Success	22,613
Nov 26, 2022 14:46	Kenneth Maples	CPPclang++10.0.0	Success	20,732
Nov 26, 2022 14:44	Kenneth Maples	CPPclang++10.0.0	Success	55,380
Nov 26, 2022 14:42	Kenneth Maples	CPPclang++10.0.0	Success	20,433+28.89 RP
Nov 26, 2022 03:37	Kenneth Maples	CPPclang++10.0.0	Error
Nov 26, 2022 03:18	Kenneth Maples	CPPclang++10.0.0	Success	21,715+2.85 RP
Nov 26, 2022 03:15	Kenneth Maples	CPPg++9.3.0	Success	21,850+86.87 RP
Nov 24, 2022 09:32	Gaussian-Process	CPPg++9.3.0	Error
Nov 24, 2022 09:19	Gaussian-Process	CPPg++9.3.0	Error
Nov 24, 2022 09:18	Gaussian-Process	CPPg++9.3.0	Error
Nov 24, 2022 08:47	Gaussian-Process	CPPg++9.3.0	Success	50,492+122.43 RP
Nov 24, 2022 02:15	Gaussian-Process	CPPg++9.3.0	Success	132,232+54.01 RP
Nov 24, 2022 02:14	Gaussian-Process	CPPg++9.3.0	Error
Nov 24, 2022 02:13	Gaussian-Process	CPPg++9.3.0	Success	462,546+21.62 RP
Nov 15, 2022 10:52	abhishekren	CPPclang++10.0.0	Success	468,695
Nov 15, 2022 10:50	abhishekren	CPPg++9.3.0	Success	465,831+21.47 RP
Nov 6, 2022 21:43	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 21:42	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 21:21	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 21:19	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:59	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:58	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:57	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:56	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:54	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:52	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:50	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:48	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:43	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:40	Franek Korta	CPPg++9.3.0	Error
Nov 6, 2022 20:38	Franek Korta	CPPg++9.3.0	Error
Oct 31, 2022 13:57	Franek Korta	CPPg++9.3.0	Error
Oct 30, 2022 21:17	Franek Korta	CPPg++9.3.0	Error
Oct 30, 2022 20:17	Franek Korta	CPPg++9.3.0	Error
Oct 30, 2022 16:37	Franek Korta	CPPg++9.3.0	Success	256,482+17.38 RP
Oct 30, 2022 16:35	Franek Korta	CPPg++9.3.0	Error
Oct 30, 2022 16:34	Franek Korta	CPPg++9.3.0	Error
Oct 30, 2022 16:04	Franek Korta	CPPg++9.3.0	Success	464,702
Oct 30, 2022 14:28	Franek Korta	CPPg++9.3.0	Success	462,748+0.14 RP
Oct 30, 2022 14:17	Franek Korta	CPPg++9.3.0	Success	465,841+21.47 RP
Oct 11, 2022 17:49	Kenneth Maples	CPPg++9.3.0	Success	28,019
Oct 11, 2022 17:48	Kenneth Maples	CPPg++9.3.0	Success	27,558
Oct 11, 2022 17:44	Kenneth Maples	CPPg++9.3.0	Success	28,341
Oct 11, 2022 17:44	Kenneth Maples	CPPg++9.3.0	Error
Oct 11, 2022 17:43	Kenneth Maples	CPPg++9.3.0	Error
Oct 11, 2022 17:36	Kenneth Maples	CPPg++9.3.0	Success	26,969+4.08 RP
Oct 11, 2022 17:31	Kenneth Maples	CPPg++9.3.0	Success	93,860
Oct 11, 2022 17:28	Kenneth Maples	CPPg++9.3.0	Success	27,852
Oct 11, 2022 17:25	Kenneth Maples	CPPg++9.3.0	Success	27,269+18.10 RP
Oct 11, 2022 17:22	Kenneth Maples	CPPg++9.3.0	Success	28,978
Oct 11, 2022 17:21	Kenneth Maples	CPPg++9.3.0	Success	28,685+313.52 RP
Oct 11, 2022 17:05	Kenneth Maples	CPPg++9.3.0	Success	326,729
Oct 11, 2022 16:45	Kenneth Maples	CPPg++9.3.0	Success	284,964+13.54 RP
Oct 11, 2022 16:39	Kenneth Maples	CPPg++9.3.0	Success	463,995+21.55 RP
Sep 29, 2022 15:03	Phib	CPPclang++10.0.0	Success	266,888
Sep 29, 2022 14:59	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 08:32	Phib	CPPclang++10.0.0	Success	106,443
Sep 29, 2022 08:03	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 08:01	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 07:58	Phib	CPPclang++10.0.0	Success	101,407
Sep 29, 2022 07:57	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 07:54	Phib	CPPclang++10.0.0	Success	101,503
Sep 29, 2022 07:53	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 07:51	Phib	CPPclang++10.0.0	Success	127,857
Sep 29, 2022 07:48	Phib	CPPclang++10.0.0	Success	99,477+11.76 RP
Sep 29, 2022 07:46	Phib	CPPclang++10.0.0	Success	151,479
Sep 29, 2022 07:43	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 07:42	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 07:41	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 07:39	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 07:35	Phib	CPPclang++10.0.0	Success	112,657+30.48 RP
Sep 29, 2022 07:33	Phib	CPPclang++10.0.0	Success	171,564+2.34 RP
Sep 29, 2022 07:32	Phib	CPPclang++10.0.0	Success	178,731+16.88 RP
Sep 29, 2022 07:30	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 07:27	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 07:24	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 06:29	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 06:00	Phib	CPPclang++10.0.0	Error
Sep 29, 2022 02:05	woodsy-sounding-wilful-sapwood	CPPclang++10.0.0	Success	330,100+8.77 RP
Sep 29, 2022 01:59	woodsy-sounding-wilful-sapwood	CPPg++9.3.0	Success	464,531+21.53 RP
Sep 29, 2022 01:58	woodsy-sounding-wilful-sapwood	CPPg++9.3.0	Error
Sep 28, 2022 21:55	Phib	CPPclang++10.0.0	Error
Sep 28, 2022 21:55	Phib	CPPclang++10.0.0	Error
Sep 28, 2022 21:54	Phib	CPPclang++10.0.0	Success	262,511
Sep 28, 2022 21:53	Phib	CPPclang++10.0.0	Error
Sep 28, 2022 21:52	Phib	CPPclang++10.0.0	Error
Sep 28, 2022 21:51	Phib	CPPclang++10.0.0	Error
Sep 28, 2022 21:51	Phib	CPPclang++10.0.0	Error
Sep 28, 2022 21:50	Phib	CPPclang++10.0.0	Error
Sep 28, 2022 21:47	Phib	CPPclang++10.0.0	Success	255,957+2.31 RP
Sep 28, 2022 21:46	Phib	CPPclang++10.0.0	Error
Sep 28, 2022 21:44	Phib	CPPclang++10.0.0	Success	272,009+2.53 RP
Sep 28, 2022 21:41	Phib	CPPclang++10.0.0	Success	292,136+12.81 RP
Sep 28, 2022 21:40	Phib	CPPclang++10.0.0	Error
Sep 28, 2022 21:27	Phib	CPPclang++10.0.0	Success	466,928+21.42 RP
Sep 10, 2022 19:41	eldon-chung	CPPg++9.3.0	Success	33,945
Sep 10, 2022 19:40	eldon-chung	CPPg++9.3.0	Success	33,892+0.67 RP
Sep 10, 2022 19:38	eldon-chung	CPPg++9.3.0	Success	34,001

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