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
Nov 12, 2025 03:01	Aniruddha Deb	CPPg++13.3.0	Success	14,781
Nov 12, 2025 03:00	Aniruddha Deb	CPPg++13.3.0	Success	14,817
Nov 12, 2025 02:59	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:58	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:56	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:55	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:54	Aniruddha Deb	CPPg++13.3.0	Success	14,786
Nov 12, 2025 02:52	Aniruddha Deb	CPPg++13.3.0	Success	14,754
Nov 12, 2025 02:48	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:47	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:45	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:43	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:41	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:40	Aniruddha Deb	CPPg++13.3.0	Success	14,742
Nov 12, 2025 02:38	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:36	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:34	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:32	Aniruddha Deb	CPPg++13.3.0	Success	14,750
Nov 12, 2025 02:28	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:26	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:26	Aniruddha Deb	CPPg++13.3.0	Success	14,810
Nov 12, 2025 02:24	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:23	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:22	Aniruddha Deb	CPPg++13.3.0	Success	14,789
Nov 12, 2025 02:21	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:19	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:18	Aniruddha Deb	CPPg++13.3.0	Success	14,795
Nov 12, 2025 02:16	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:13	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:10	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:09	Aniruddha Deb	CPPg++13.3.0	Success	14,742
Nov 12, 2025 02:07	Aniruddha Deb	CPPg++13.3.0	Success	14,791
Nov 12, 2025 02:02	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:01	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 02:00	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:56	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:54	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:52	Aniruddha Deb	CPPg++13.3.0	Success	14,740
Nov 12, 2025 01:51	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:49	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:47	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:46	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:39	Aniruddha Deb	CPPg++13.3.0	Success	14,811
Nov 12, 2025 01:38	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:36	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:33	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:31	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:30	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:27	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:26	Aniruddha Deb	CPPg++13.3.0	Success	14,727
Nov 12, 2025 01:24	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:22	Aniruddha Deb	CPPg++13.3.0	Success	14,721
Nov 12, 2025 01:20	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:17	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:13	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:12	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:10	Aniruddha Deb	CPPg++13.3.0	Success	14,819
Nov 12, 2025 01:09	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:07	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:06	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:04	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:03	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 01:01	Aniruddha Deb	CPPg++13.3.0	Success	14,801
Nov 12, 2025 00:59	Aniruddha Deb	CPPg++13.3.0	Success	14,786
Nov 12, 2025 00:58	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:57	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:55	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:54	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:54	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:52	Aniruddha Deb	CPPg++13.3.0	Success	14,723
Nov 12, 2025 00:50	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:48	Aniruddha Deb	CPPg++13.3.0	Success	14,782
Nov 12, 2025 00:47	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:44	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:42	Aniruddha Deb	CPPg++13.3.0	Success	14,808
Nov 12, 2025 00:41	Aniruddha Deb	CPPg++13.3.0	Success	14,739
Nov 12, 2025 00:41	Aniruddha Deb	CPPg++13.3.0	Success	14,756
Nov 12, 2025 00:39	Aniruddha Deb	CPPg++13.3.0	Success	14,710
Nov 12, 2025 00:37	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:37	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:35	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:34	Aniruddha Deb	CPPg++13.3.0	Success	14,781
Nov 12, 2025 00:33	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:32	Aniruddha Deb	CPPg++13.3.0	Success	14,816
Nov 12, 2025 00:30	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:29	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:28	Aniruddha Deb	CPPg++13.3.0	Success	14,791
Nov 12, 2025 00:26	Aniruddha Deb	CPPg++13.3.0	Success	14,811
Nov 12, 2025 00:26	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:25	Aniruddha Deb	CPPg++13.3.0	Success	14,735
Nov 12, 2025 00:23	Aniruddha Deb	CPPg++13.3.0	Success	14,782
Nov 12, 2025 00:18	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:17	Aniruddha Deb	CPPg++13.3.0	Success	14,806
Nov 12, 2025 00:15	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:14	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:10	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:08	Aniruddha Deb	CPPg++13.3.0	Success	14,756
Nov 12, 2025 00:07	Aniruddha Deb	CPPg++13.3.0	Success	14,780
Nov 12, 2025 00:04	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 00:02	Aniruddha Deb	CPPg++13.3.0	Error

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