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
Jun 25, 2025 00:15	Ian Mckibben	CPPclang++18.1.3	Success	572,071
Jun 24, 2025 23:53	Ian Mckibben	CPPclang++18.1.3	Success	15,357
Jun 24, 2025 23:49	Ian Mckibben	CPPclang++18.1.3	Success	15,406
Jun 24, 2025 23:48	Ian Mckibben	CPPclang++18.1.3	Success	15,431
Jun 24, 2025 23:48	Ian Mckibben	CPPclang++18.1.3	Success	15,401
Jun 24, 2025 23:47	Ian Mckibben	CPPg++13.3.0	Error
Jun 24, 2025 23:46	Ian Mckibben	CPPg++13.3.0	Error
Jun 24, 2025 23:24	Ian Mckibben	CPPg++13.3.0	Success	15,417
Jun 24, 2025 23:19	Ian Mckibben	CPPg++13.3.0	Success	15,485
Jun 24, 2025 23:19	Ian Mckibben	CPPg++13.3.0	Success	15,747
Jun 24, 2025 22:15	Ian Mckibben	CPPg++13.3.0	Error
Jun 24, 2025 22:06	Ian Mckibben	CPPg++13.3.0	Success	21,143
Jun 24, 2025 22:01	Ian Mckibben	CPPg++13.3.0	Success	32,496
Jun 24, 2025 22:01	Ian Mckibben	CPPg++13.3.0	Success	25,813
Jun 24, 2025 22:00	Ian Mckibben	CPPg++13.3.0	Success	29,555
Jun 24, 2025 21:57	Ian Mckibben	CPPg++13.3.0	Success	27,924
Jun 24, 2025 21:53	Ian Mckibben	CPPg++13.3.0	Success	29,175
Jun 24, 2025 21:49	Ian Mckibben	CPPg++13.3.0	Success	25,830
Jun 24, 2025 21:48	Ian Mckibben	CPPg++13.3.0	Success	25,773
Jun 24, 2025 21:43	Ian Mckibben	CPPg++13.3.0	Success	22,833
Jun 24, 2025 21:41	Ian Mckibben	CPPg++13.3.0	Success	22,296
Jun 24, 2025 21:40	Ian Mckibben	CPPg++13.3.0	Error
Jun 24, 2025 21:39	Ian Mckibben	CPPg++13.3.0	Error
Jun 23, 2025 17:50	Ian Mckibben	CPPg++13.3.0	Success	28,805
Jun 23, 2025 17:47	Ian Mckibben	CPPg++13.3.0	Success	29,148
Jun 23, 2025 17:34	Ian Mckibben	CPPg++13.3.0	Success	21,413
Jun 23, 2025 17:34	Ian Mckibben	CPPg++13.3.0	Success	21,344
Jun 23, 2025 17:32	Ian Mckibben	CPPg++13.3.0	Success	20,551
Jun 23, 2025 17:31	Ian Mckibben	CPPg++13.3.0	Success	21,096
Jun 23, 2025 17:30	Ian Mckibben	CPPg++13.3.0	Success	24,994
Jun 23, 2025 17:28	Ian Mckibben	CPPg++13.3.0	Success	29,284
Jun 23, 2025 17:22	Ian Mckibben	CPPg++13.3.0	Success	31,690
Jun 23, 2025 17:13	Ian Mckibben	CPPg++13.3.0	Success	30,637
Jun 23, 2025 16:46	Ian Mckibben	CPPg++13.3.0	Success	76,599
Jun 23, 2025 16:31	Ian Mckibben	CPPg++13.3.0	Success	96,907
Jun 23, 2025 16:29	Ian Mckibben	CPPg++13.3.0	Success	121,349
Jun 23, 2025 16:07	Ian Mckibben	CPPg++13.3.0	Success	198,173
Jun 23, 2025 16:07	Ian Mckibben	CPPg++13.3.0	Success	142,101
Jun 23, 2025 15:46	Ian Mckibben	CPPg++13.3.0	Success	302,623
Jun 23, 2025 15:20	Ian Mckibben	CPPg++13.3.0	Success	490,235
Jun 23, 2025 06:36	Ian Mckibben	CPPg++13.3.0	Error
Jun 23, 2025 06:36	Ian Mckibben	CPPg++13.3.0	Error
Jun 23, 2025 06:20	Ian Mckibben	CPPg++13.3.0	Success	15,527
Jun 23, 2025 04:17	Ian Mckibben	CPPg++13.3.0	Success	506,808
Jun 23, 2025 04:13	Ian Mckibben	CPPclang++18.1.3	Success	508,694
Jun 23, 2025 03:45	Ian Mckibben	CPPclang++18.1.3	Success	15,195
Jun 23, 2025 03:41	Ian Mckibben	CPPclang++18.1.3	Success	15,158+2.69 RP
Jun 23, 2025 03:37	Ian Mckibben	CPPclang++18.1.3	Success	15,354
Jun 23, 2025 03:37	Ian Mckibben	CPPclang++18.1.3	Success	15,220+6.33 RP
Jun 23, 2025 03:36	Ian Mckibben	CPPclang++18.1.3	Success	16,137
Jun 23, 2025 03:34	Ian Mckibben	CPPclang++18.1.3	Success	15,417
Jun 23, 2025 03:32	Ian Mckibben	CPPclang++18.1.3	Success	15,368+1.48 RP
Jun 23, 2025 03:32	Ian Mckibben	CPPclang++18.1.3	Error
Jun 23, 2025 03:31	Ian Mckibben	CPPclang++18.1.3	Success	15,795
Jun 23, 2025 03:22	Ian Mckibben	CPPg++13.3.0	Error
Jun 23, 2025 03:21	Ian Mckibben	CPPg++13.3.0	Error
Jun 23, 2025 03:06	Ian Mckibben	CPPg++13.3.0	Success	15,472
Jun 22, 2025 17:26	Keefe	CPPg++13.3.0	Error
Jun 22, 2025 17:24	Keefe	CPPg++13.3.0	Error
Jun 22, 2025 17:16	Keefe	CPPg++13.3.0	Success	28,948
Jun 22, 2025 17:12	Keefe	CPPg++13.3.0	Error
Jun 22, 2025 17:11	Keefe	CPPg++13.3.0	Error
Jun 22, 2025 17:09	Keefe	CPPg++13.3.0	Success	66,431
Jun 22, 2025 17:06	Keefe	CPPg++13.3.0	Error
Jun 22, 2025 17:04	Keefe	CPPg++13.3.0	Error
Jun 22, 2025 17:03	Ian Mckibben	CPPg++13.3.0	Success	16,463
Jun 22, 2025 17:02	Ian Mckibben	CPPg++13.3.0	Success	15,503
Jun 22, 2025 17:02	Ian Mckibben	CPPg++13.3.0	Success	16,343
Jun 22, 2025 17:00	Ian Mckibben	CPPg++13.3.0	Success	17,200
Jun 22, 2025 16:58	Ian Mckibben	CPPg++13.3.0	Success	15,456
Jun 22, 2025 16:58	Ian Mckibben	CPPg++13.3.0	Success	15,471
Jun 22, 2025 16:58	Ian Mckibben	CPPg++13.3.0	Success	15,458
Jun 22, 2025 16:58	Ian Mckibben	CPPg++13.3.0	Success	15,453
Jun 22, 2025 16:56	Ian Mckibben	CPPg++13.3.0	Success	15,403+4.15 RP
Jun 22, 2025 16:55	Ian Mckibben	CPPg++13.3.0	Success	15,502+2.82 RP
Jun 22, 2025 16:40	Ian Mckibben	CPPg++13.3.0	Success	15,852
Jun 22, 2025 16:40	Ian Mckibben	CPPg++13.3.0	Success	22,671
Jun 22, 2025 16:39	Ian Mckibben	CPPg++13.3.0	Success	21,428
Jun 22, 2025 16:38	Ian Mckibben	CPPg++13.3.0	Success	15,570+6.86 RP
Jun 22, 2025 16:34	Ian Mckibben	CPPg++13.3.0	Success	15,738+8.09 RP
Jun 22, 2025 16:32	Ian Mckibben	CPPg++13.3.0	Success	15,941+11.44 RP
Jun 22, 2025 16:30	Ian Mckibben	CPPg++13.3.0	Success	16,237+18.72 RP
Jun 22, 2025 16:29	Ian Mckibben	CPPg++13.3.0	Success	22,925
Jun 22, 2025 16:27	Ian Mckibben	CPPg++13.3.0	Success	22,568
Jun 22, 2025 16:26	Ian Mckibben	CPPg++13.3.0	Success	22,567
Jun 22, 2025 06:14	Ian Mckibben	CPPg++13.3.0	Success	16,746+1.56 RP
Jun 22, 2025 06:11	Ian Mckibben	CPPg++13.3.0	Success	16,828
Jun 22, 2025 06:10	Ian Mckibben	CPPg++13.3.0	Success	16,934
Jun 22, 2025 06:09	Ian Mckibben	CPPg++13.3.0	Success	16,790+0.50 RP
Jun 22, 2025 06:05	Ian Mckibben	CPPg++13.3.0	Success	16,804+5.51 RP
Jun 22, 2025 06:04	Ian Mckibben	CPPg++13.3.0	Success	16,961+13.39 RP
Jun 22, 2025 06:02	Ian Mckibben	CPPg++13.3.0	Success	17,355+6.04 RP
Jun 22, 2025 06:00	Ian Mckibben	CPPg++13.3.0	Success	17,539+10.25 RP
Jun 22, 2025 06:00	Ian Mckibben	CPPg++13.3.0	Success	18,143
Jun 22, 2025 06:00	Ian Mckibben	CPPg++13.3.0	Success	18,527
Jun 22, 2025 05:57	Ian Mckibben	CPPg++13.3.0	Success	17,860+20.57 RP
Jun 22, 2025 05:56	Ian Mckibben	CPPg++13.3.0	Success	18,541+3.04 RP
Jun 22, 2025 05:55	Ian Mckibben	CPPg++13.3.0	Success	18,646+7.21 RP
Jun 22, 2025 05:52	Ian Mckibben	CPPg++13.3.0	Success	18,900+5.40 RP
Jun 22, 2025 05:52	Ian Mckibben	CPPg++13.3.0	Success	19,095+6.77 RP

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