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.

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matsuoka-601

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Run Statistics

#	Date	Error
1	Jul 9, 2024 08:06	Error: expected "1021627 ", got "1021625 "	stderr
2	Jul 9, 2024 08:04	Error: expected "1024360 ", got "1024358 "	stderr
3	Jul 9, 2024 08:04	Error: expected "1025710 ", got "1025709 "	stderr
4	Jul 9, 2024 08:04	Error: expected "1024619 ", got "1024618 "	stderr
5	Jul 9, 2024 08:04	Error: expected "1021380 ", got "1021377 "	stderr
6	Jul 9, 2024 08:04	Error: expected "1019787 ", got "1019786 "	stderr
7	Jul 9, 2024 08:05	Error: expected "1019291 ", got "1019287 "	stderr
8	Jul 9, 2024 08:06	Error: expected "1026111 ", got "1026109 "	stderr
9	Jul 9, 2024 08:06	Error: expected "1023830 ", got "1023829 "	stderr
10	Jul 9, 2024 08:06	Error: expected "1024769 ", got "1024767 "	stderr
11	Jul 9, 2024 08:03	Error: expected "1020272 ", got "1020269 "	stderr
12	Jul 9, 2024 08:07	Error: expected "1021421 ", got "1021420 "	stderr
13	Jul 9, 2024 08:07	Error: expected "1022792 ", got "1022789 "	stderr
14	Jul 9, 2024 08:07	Error: expected "1020546 ", got "1020545 "	stderr
15	Jul 9, 2024 08:07	Error: expected "1023568 ", got "1023566 "	stderr
16	Jul 9, 2024 08:09	Error: expected "1019966 ", got "1019963 "	stderr
17	Jul 9, 2024 08:29	Error: expected "1020470 ", got "1020469 "	stderr
18	Jul 9, 2024 08:29	Error: expected "1022154 ", got "1022153 "	stderr
19	Jul 9, 2024 08:29	Error: expected "1020869 ", got "1020868 "	stderr
20	Jul 9, 2024 08:29	Error: expected "1023759 ", got "1023758 "	stderr
21	Jul 9, 2024 07:56	Error: expected "1023403 ", got "1023402 "	stderr
22	Jul 9, 2024 07:42	Error: expected "1024936 ", got "1024935 "	stderr
23	Jul 9, 2024 07:42	Error: expected "1023515 ", got "1023514 "	stderr
24	Jul 9, 2024 07:44	Error: expected "1024579 ", got "1024578 "	stderr
25	Jul 9, 2024 07:50	Error: expected "1018334 ", got "1018333 "	stderr
26	Jul 9, 2024 07:53	Error: expected "1025014 ", got "1025012 "	stderr
27	Jul 9, 2024 07:55	Error: expected "1026049 ", got "1026047 "	stderr
28	Jul 9, 2024 07:55	Error: expected "1018878 ", got "1018877 "	stderr
29	Jul 9, 2024 07:55	Error: expected "1020670 ", got "1020668 "	stderr
30	Jul 9, 2024 07:56	Error: expected "1023513 ", got "1023511 "	stderr
31	Jul 8, 2024 18:39	Error: expected "1024293 ", got "1024291 "	stderr
32	Jul 9, 2024 07:56	Error: expected "1026592 ", got "1026591 "	stderr
33	Jul 9, 2024 07:57	Error: expected "1023889 ", got "1023888 "	stderr
34	Jul 9, 2024 07:57	Error: expected "1025517 ", got "1025516 "	stderr
35	Jul 9, 2024 07:57	Error: expected "1024003 ", got "1024002 "	stderr
36	Jul 9, 2024 07:57	Error: expected "1025256 ", got "1025255 "	stderr
37	Jul 9, 2024 08:00	Error: expected "1020480 ", got "1020479 "	stderr
38	Jul 9, 2024 08:03	Error: expected "1020267 ", got "1020266 "	stderr
39	Jul 9, 2024 08:03	Error: expected "1024723 ", got "1024720 "	stderr
40	Jul 9, 2024 08:03	Error: expected "1024623 ", got "1024622 "	stderr

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