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
Jun 20, 2026 05:23	Victor Mercklé	CPPg++13.3.0	Success	6,401
Jun 20, 2026 05:15	Victor Mercklé	CPPg++13.3.0	Success	6,396+1.47 RP
Jun 20, 2026 05:10	Victor Mercklé	CPPg++13.3.0	Success	6,417
Jun 20, 2026 05:05	Victor Mercklé	CPPg++13.3.0	Success	6,451
Jun 20, 2026 05:00	Victor Mercklé	CPPg++13.3.0	Success	8,427
Jun 20, 2026 04:53	Victor Mercklé	CPPg++13.3.0	Success	13,660
Jun 20, 2026 04:39	Victor Mercklé	CPPg++13.3.0	Success	6,525
Jun 20, 2026 04:34	Victor Mercklé	CPPg++14.2.0	Success	7,855
Jun 20, 2026 04:29	Victor Mercklé	CPPg++14.2.0	Success	10,397
Jun 20, 2026 04:24	Victor Mercklé	CPPg++14.2.0	Error
Jun 20, 2026 04:12	Victor Mercklé	CPPg++13.3.0	Success	6,425
Jun 20, 2026 04:05	Victor Mercklé	CPPg++13.3.0	Success	8,595
Jun 20, 2026 03:56	Victor Mercklé	CPPg++13.3.0	Success	6,404
Jun 20, 2026 03:51	Victor Mercklé	CPPg++13.3.0	Success	6,402+5.83 RP
Jun 20, 2026 03:46	Victor Mercklé	CPPg++13.3.0	Success	6,431
Jun 20, 2026 03:41	Victor Mercklé	CPPg++13.3.0	Success	6,426+6.51 RP
Jun 20, 2026 03:36	Victor Mercklé	CPPg++13.3.0	Success	6,553
Jun 20, 2026 03:28	Victor Mercklé	CPPg++13.3.0	Success	6,536
Jun 20, 2026 03:23	Victor Mercklé	CPPg++13.3.0	Success	6,486
Jun 20, 2026 03:18	Victor Mercklé	CPPg++13.3.0	Success	6,453+10.26 RP
Jun 20, 2026 03:13	Victor Mercklé	CPPg++13.3.0	Success	6,896
Jun 20, 2026 03:06	Victor Mercklé	CPPg++13.3.0	Success	7,828
Jun 19, 2026 17:15	Victor Mercklé	CPPg++13.3.0	Success	6,555
Jun 19, 2026 17:09	Victor Mercklé	CPPg++13.3.0	Success	6,761
Jun 19, 2026 17:04	Victor Mercklé	CPPg++13.3.0	Success	6,703
Jun 19, 2026 16:59	Victor Mercklé	CPPg++13.3.0	Success	10,540
Jun 19, 2026 16:52	Victor Mercklé	CPPg++13.3.0	Success	11,879
Jun 19, 2026 11:22	chereshnya123	CPPg++13.3.0	Success	90,714+52.48 RP
Jun 18, 2026 16:49	chereshnya123	CPPg++13.3.0	Error
Jun 16, 2026 16:10	Maya Rebholz	CPPg++10.5.0	Error
Jun 15, 2026 14:32	Maya Rebholz	CPPg++10.5.0	Success	11,490
Jun 15, 2026 14:28	Maya Rebholz	CPPg++10.5.0	Success	11,951
Jun 15, 2026 14:26	Maya Rebholz	CPPg++10.5.0	Success	11,779
Jun 15, 2026 14:25	Maya Rebholz	CPPg++10.5.0	Success	11,434
Jun 15, 2026 14:23	Maya Rebholz	CPPg++10.5.0	Success	11,318
Jun 15, 2026 14:21	Maya Rebholz	CPPg++10.5.0	Success	11,542
Jun 15, 2026 14:02	Maya Rebholz	CPPg++10.5.0	Success	11,219
Jun 15, 2026 13:59	Maya Rebholz	CPPg++10.5.0	Success	11,568
Jun 15, 2026 13:51	Maya Rebholz	CPPg++10.5.0	Success	11,204+2.15 RP
Jun 15, 2026 13:45	Maya Rebholz	CPPg++10.5.0	Success	11,239
Jun 15, 2026 01:22	Maya Rebholz	CPPg++10.5.0	Success	11,231+74.00 RP
Jun 15, 2026 00:44	Maya Rebholz	CPPg++10.5.0	Success	12,249+5.95 RP
Jun 15, 2026 00:36	Maya Rebholz	CPPg++10.5.0	Success	13,032
Jun 15, 2026 00:33	Maya Rebholz	CPPg++10.5.0	Error
Jun 15, 2026 00:28	Maya Rebholz	CPPg++10.5.0	Success	12,339+15.97 RP
Jun 15, 2026 00:14	Maya Rebholz	CPPg++10.5.0	Success	12,587+33.96 RP
Jun 15, 2026 00:12	Maya Rebholz	CPPg++10.5.0	Success	13,149+125.92 RP
Jun 15, 2026 00:07	Maya Rebholz	CPPg++10.5.0	Success	31,513+5.00 RP
Jun 14, 2026 17:17	chereshnya123	CPPg++13.3.0	Error
Jun 13, 2026 22:16	Maya Rebholz	CPPg++10.5.0	Success	15,758+1.45 RP
Jun 13, 2026 22:13	Maya Rebholz	CPPg++10.5.0	Error
Jun 13, 2026 22:05	Maya Rebholz	CPPg++10.5.0	Success	15,794+28.41 RP
Jun 13, 2026 21:57	Maya Rebholz	CPPg++10.5.0	Success	16,585
Jun 13, 2026 21:50	Maya Rebholz	CPPg++10.5.0	Success	17,898
Jun 13, 2026 21:46	Maya Rebholz	CPPg++10.5.0	Success	16,686
Jun 13, 2026 21:39	Maya Rebholz	CPPg++10.5.0	Success	17,239
Jun 13, 2026 21:21	Maya Rebholz	CPPg++10.5.0	Success	16,536+87.84 RP
Jun 13, 2026 20:50	Maya Rebholz	CPPg++10.5.0	Success	19,346+24.53 RP
Jun 13, 2026 20:43	Maya Rebholz	CPPg++10.5.0	Error
Jun 13, 2026 19:50	Maya Rebholz	CPPg++10.5.0	Success	23,014
Jun 13, 2026 19:48	Maya Rebholz	CPPg++10.5.0	Success	23,022
Jun 13, 2026 19:46	Maya Rebholz	CPPg++10.5.0	Success	23,112
Jun 13, 2026 19:44	Maya Rebholz	CPPg++10.5.0	Error
Jun 13, 2026 19:42	Maya Rebholz	CPPg++10.5.0	Error
Jun 13, 2026 19:40	Maya Rebholz	CPPg++10.5.0	Success	23,286
Jun 13, 2026 19:10	Maya Rebholz	CPPg++10.5.0	Success	22,063
Jun 13, 2026 18:57	Maya Rebholz	CPPg++10.5.0	Success	22,450
Jun 13, 2026 18:54	Maya Rebholz	CPPg++10.5.0	Success	22,107
Jun 13, 2026 14:49	chereshnya123	CPPg++13.3.0	Success	203,105
Jun 13, 2026 14:38	Maya Rebholz	CPPg++10.5.0	Success	25,235
Jun 13, 2026 13:04	chereshnya123	CPPg++14.2.0	Success	187,773
Jun 13, 2026 08:34	Victor Mercklé	ZIG0.16.0	Success	6,521
Jun 13, 2026 08:21	Victor Mercklé	ZIG0.16.0	Success	6,508+0.47 RP
Jun 13, 2026 07:47	Victor Mercklé	ZIG0.16.0	Success	6,541
Jun 12, 2026 18:47	Maya Rebholz	CPPg++10.5.0	Success	20,563
Jun 12, 2026 18:41	Maya Rebholz	CPPg++10.5.0	Success	20,310+0.19 RP
Jun 12, 2026 18:36	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 18:34	Maya Rebholz	CPPg++10.5.0	Success	20,318+1.55 RP
Jun 12, 2026 18:32	Maya Rebholz	CPPg++10.5.0	Success	20,382+4.63 RP
Jun 12, 2026 18:26	Maya Rebholz	CPPg++10.5.0	Success	20,576+29.19 RP
Jun 12, 2026 18:21	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 18:20	Maya Rebholz	CPPg++10.5.0	Success	21,924
Jun 12, 2026 18:18	Maya Rebholz	CPPg++10.5.0	Success	21,891+25.64 RP
Jun 12, 2026 18:16	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 18:11	Maya Rebholz	CPPg++10.5.0	Success	23,227
Jun 12, 2026 18:10	Maya Rebholz	CPPg++10.5.0	Success	23,193+2.15 RP
Jun 12, 2026 18:08	Maya Rebholz	CPPg++10.5.0	Success	23,309+0.13 RP
Jun 12, 2026 18:06	Maya Rebholz	CPPg++10.5.0	Success	23,316+5.68 RP
Jun 12, 2026 18:04	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 18:02	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 18:00	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 17:58	Maya Rebholz	CPPg++10.5.0	Success	23,629+4.17 RP
Jun 12, 2026 17:56	Maya Rebholz	CPPg++10.5.0	Success	23,864+16.56 RP
Jun 12, 2026 07:50	Victor Mercklé	RUSTrust-1.95.0	Success	6,497
Jun 12, 2026 07:39	Victor Mercklé	RUSTrust-1.95.0	Success	6,496+0.47 RP
Jun 12, 2026 07:08	Victor Mercklé	RUSTrust-1.95.0	Success	6,500
Jun 12, 2026 05:42	Victor Mercklé	GOgo1.26.2	Success	6,552
Jun 12, 2026 05:21	Victor Mercklé	GOgo1.26.2	Success	6,529
Jun 12, 2026 04:20	Victor Mercklé	GOgo1.26.2	Success	6,551
Jun 12, 2026 01:36	Maya Rebholz	CPPg++10.5.0	Success	24,846+123.91 RP

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