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
Dec 19, 2025 08:21	Rajarshi Basu	CPPg++13.3.0	Error
Dec 19, 2025 08:19	Rajarshi Basu	CPPg++13.3.0	Error
Dec 19, 2025 08:18	Rajarshi Basu	CPPg++13.3.0	Error
Dec 19, 2025 08:14	Rajarshi Basu	CPPg++13.3.0	Success	8,047
Dec 19, 2025 08:13	Rajarshi Basu	CPPg++13.3.0	Success	7,950+2.53 RP
Dec 19, 2025 08:12	Rajarshi Basu	CPPg++13.3.0	Success	7,966+2.20 RP
Dec 18, 2025 13:40	Rajarshi Basu	CPPg++13.3.0	Success	8,012
Dec 18, 2025 13:30	Rajarshi Basu	CPPg++13.3.0	Success	8,069
Dec 18, 2025 13:30	Rajarshi Basu	CPPg++13.3.0	Error
Dec 18, 2025 13:29	Rajarshi Basu	CPPg++13.3.0	Error
Dec 18, 2025 13:07	Rajarshi Basu	CPPg++13.3.0	Success	8,004
Dec 18, 2025 13:07	Rajarshi Basu	CPPg++13.3.0	Success	7,981
Dec 18, 2025 13:07	Rajarshi Basu	CPPg++13.3.0	Success	7,980+9.51 RP
Dec 17, 2025 19:28	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:27	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:23	Rajarshi Basu	CPPg++13.3.0	Success	8,063
Dec 17, 2025 19:23	Rajarshi Basu	CPPg++13.3.0	Success	8,242
Dec 17, 2025 19:17	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:17	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:13	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:13	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:13	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:06	Rajarshi Basu	CPPg++13.3.0	Success	8,241
Dec 17, 2025 19:06	Rajarshi Basu	CPPg++13.3.0	Success	8,236
Dec 17, 2025 19:05	Rajarshi Basu	CPPg++13.3.0	Success	8,261
Dec 17, 2025 19:05	Rajarshi Basu	CPPg++13.3.0	Success	8,185
Dec 17, 2025 19:05	Rajarshi Basu	CPPg++13.3.0	Success	8,647
Dec 17, 2025 19:05	Rajarshi Basu	CPPg++13.3.0	Success	8,251
Dec 17, 2025 19:04	Rajarshi Basu	CPPg++13.3.0	Success	8,536
Dec 17, 2025 19:04	Rajarshi Basu	CPPg++13.3.0	Success	8,938
Dec 17, 2025 19:04	Rajarshi Basu	CPPg++13.3.0	Success	8,450
Dec 17, 2025 19:04	Rajarshi Basu	CPPg++13.3.0	Success	8,319
Dec 17, 2025 19:03	Rajarshi Basu	CPPg++13.3.0	Success	8,269
Dec 17, 2025 19:03	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:03	Rajarshi Basu	CPPg++13.3.0	Success	8,071
Dec 17, 2025 19:03	Rajarshi Basu	CPPg++13.3.0	Success	8,134
Dec 17, 2025 19:02	Rajarshi Basu	CPPg++13.3.0	Success	8,115
Dec 17, 2025 19:02	Rajarshi Basu	CPPg++13.3.0	Success	8,201
Dec 17, 2025 19:02	Rajarshi Basu	CPPg++13.3.0	Success	8,702
Dec 17, 2025 19:02	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:01	Rajarshi Basu	CPPg++13.3.0	Success	9,793
Dec 17, 2025 19:01	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:01	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:01	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:01	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 19:00	Rajarshi Basu	CPPg++13.3.0	Success	10,502
Dec 17, 2025 19:00	Rajarshi Basu	CPPg++13.3.0	Success	8,258
Dec 17, 2025 19:00	Rajarshi Basu	CPPg++13.3.0	Success	8,411
Dec 17, 2025 19:00	Rajarshi Basu	CPPg++13.3.0	Success	9,046
Dec 17, 2025 18:59	Rajarshi Basu	CPPg++13.3.0	Success	8,510
Dec 17, 2025 18:59	Rajarshi Basu	CPPg++13.3.0	Success	8,682
Dec 17, 2025 18:59	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 18:59	Rajarshi Basu	CPPg++13.3.0	Success	10,082
Dec 17, 2025 18:59	Rajarshi Basu	CPPg++13.3.0	Success	11,878
Dec 17, 2025 18:57	Rajarshi Basu	CPPg++13.3.0	Success	9,028
Dec 17, 2025 18:57	Rajarshi Basu	CPPg++13.3.0	Success	8,986
Dec 17, 2025 18:57	Rajarshi Basu	CPPg++13.3.0	Success	9,176
Dec 17, 2025 18:57	Rajarshi Basu	CPPg++13.3.0	Success	9,170
Dec 17, 2025 18:56	Rajarshi Basu	CPPg++13.3.0	Success	9,101
Dec 17, 2025 18:56	Rajarshi Basu	CPPg++13.3.0	Success	10,058
Dec 17, 2025 18:56	Rajarshi Basu	CPPg++13.3.0	Success	9,161
Dec 17, 2025 18:56	Rajarshi Basu	CPPg++13.3.0	Success	9,060
Dec 17, 2025 18:54	Rajarshi Basu	CPPg++13.3.0	Success	10,581
Dec 17, 2025 18:52	Rajarshi Basu	CPPg++13.3.0	Success	8,981
Dec 17, 2025 18:51	Rajarshi Basu	CPPg++13.3.0	Success	14,160
Dec 17, 2025 18:48	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 18:46	Rajarshi Basu	CPPg++13.3.0	Success	11,156
Dec 17, 2025 18:43	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 18:43	Rajarshi Basu	CPPg++13.3.0	Success	30,437
Dec 17, 2025 18:43	Rajarshi Basu	CPPg++13.3.0	Success	28,934
Dec 17, 2025 18:43	Rajarshi Basu	CPPg++13.3.0	Success	27,268
Dec 17, 2025 18:42	Rajarshi Basu	CPPg++13.3.0	Success	11,285
Dec 17, 2025 18:40	Rajarshi Basu	CPPg++13.3.0	Success	11,144
Dec 17, 2025 18:37	Rajarshi Basu	CPPg++13.3.0	Success	11,486
Dec 17, 2025 18:37	Rajarshi Basu	CPPg++13.3.0	Success	11,370
Dec 17, 2025 18:37	Rajarshi Basu	CPPg++13.3.0	Success	11,396
Dec 17, 2025 18:37	Rajarshi Basu	CPPg++13.3.0	Success	11,227
Dec 17, 2025 18:36	Rajarshi Basu	CPPg++13.3.0	Success	11,183
Dec 17, 2025 18:36	Rajarshi Basu	CPPg++13.3.0	Success	11,353
Dec 17, 2025 18:36	Rajarshi Basu	CPPg++13.3.0	Success	11,407
Dec 17, 2025 18:36	Rajarshi Basu	CPPg++13.3.0	Success	11,561
Dec 17, 2025 18:35	Rajarshi Basu	CPPg++13.3.0	Success	11,710
Dec 17, 2025 18:35	Rajarshi Basu	CPPg++13.3.0	Success	12,509
Dec 17, 2025 18:35	Rajarshi Basu	CPPg++13.3.0	Success	12,128
Dec 17, 2025 18:35	Rajarshi Basu	CPPg++13.3.0	Success	11,114
Dec 17, 2025 18:34	Rajarshi Basu	CPPg++13.3.0	Success	11,666
Dec 17, 2025 18:31	Rajarshi Basu	CPPg++13.3.0	Success	12,066
Dec 17, 2025 18:30	Rajarshi Basu	CPPg++13.3.0	Success	12,716
Dec 17, 2025 18:29	Rajarshi Basu	CPPg++13.3.0	Success	25,905
Dec 17, 2025 18:28	Rajarshi Basu	CPPg++13.3.0	Success	15,682
Dec 17, 2025 18:26	Rajarshi Basu	CPPg++13.3.0	Success	16,420
Dec 17, 2025 18:25	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 18:18	Rajarshi Basu	CPPg++13.3.0	Success	12,991
Dec 17, 2025 18:16	Rajarshi Basu	CPPg++13.3.0	Success	15,021
Dec 17, 2025 18:13	Rajarshi Basu	CPPg++13.3.0	Success	12,244
Dec 17, 2025 18:12	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 18:11	Rajarshi Basu	CPPg++13.3.0	Error
Dec 17, 2025 18:11	Rajarshi Basu	CPPg++13.3.0	Success	26,543
Dec 17, 2025 18:10	Rajarshi Basu	CPPg++13.3.0	Success	12,602
Dec 17, 2025 17:06	Rajarshi Basu	CPPg++13.3.0	Error

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