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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Joad Nacer

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Oct 2, 2024 17:54	0	0	0	0	0	Error: expected "1024443 ", got "1024732 "	stderr
2	Oct 2, 2024 17:31	4,734	180,914,139	142,199,000	14,019,000	2,465,792
3	Oct 2, 2024 17:46	4,753	178,361,170	144,854,000	11,987,000	2,461,696
4	Oct 2, 2024 17:33	4,767	186,837,005	144,296,000	13,026,000	2,334,720
5	Oct 2, 2024 17:47	4,778	184,353,463	141,706,000	15,966,000	2,334,720
6	Oct 2, 2024 17:31	4,796	189,692,774	141,226,000	17,027,000	2,461,696
7	Oct 2, 2024 17:33	4,802	181,639,990	144,521,000	13,953,000	2,342,912
8	Oct 2, 2024 17:47	4,817	184,893,410	143,962,000	14,996,000	2,334,720
9	Oct 2, 2024 17:31	4,822	184,220,487	146,114,000	13,010,000	2,342,912
10	Oct 2, 2024 17:33	4,826	188,625,542	146,242,000	13,021,000	2,342,912
11	Oct 2, 2024 17:45	4,834	187,666,767	142,578,000	16,949,000	2,465,792
12	Oct 2, 2024 17:31	4,838	183,511,658	145,684,000	13,969,000	2,334,720
13	Oct 2, 2024 17:33	4,843	183,064,508	142,836,000	16,980,000	2,342,912
14	Oct 2, 2024 17:33	4,870	182,432,976	149,742,000	10,981,000	2,342,912
15	Oct 2, 2024 17:31	4,876	182,203,400	146,911,000	13,991,000	2,330,624
16	Oct 2, 2024 17:47	4,883	186,914,762	146,133,000	15,013,000	2,330,624
17	Oct 2, 2024 17:46	4,891	200,766,658	145,368,000	16,040,000	2,469,888
18	Oct 3, 2024 11:15	4,896	184,710,787	149,596,000	11,967,000	2,461,696
19	Oct 2, 2024 17:47	4,901	183,366,274	149,743,000	11,979,000	2,342,912
20	Oct 2, 2024 17:31	4,904	186,937,283	143,839,000	17,979,000	2,334,720
21	Oct 2, 2024 17:31	4,917	196,618,522	149,231,000	13,020,000	2,334,720
22	Oct 2, 2024 17:45	4,923	193,089,775	147,512,000	14,950,000	2,334,720
23	Oct 2, 2024 17:47	4,925	188,049,120	142,570,000	19,939,000	2,293,760
24	Oct 2, 2024 17:33	4,925	188,766,232	148,561,000	13,958,000	2,469,888
25	Oct 2, 2024 17:47	4,925	187,142,539	149,578,000	12,963,000	2,461,696
26	Oct 2, 2024 17:47	4,928	183,150,187	148,667,000	13,968,000	2,334,720
27	Oct 2, 2024 17:33	4,929	189,686,859	146,702,000	15,967,000	2,465,792
28	Oct 2, 2024 17:33	4,964	187,585,217	150,833,000	12,985,000	2,465,792
29	Oct 2, 2024 17:33	4,972	188,068,018	149,075,000	15,007,000	2,457,600
30	Oct 2, 2024 17:45	4,975	193,923,575	151,156,000	13,013,000	2,461,696
31	Oct 2, 2024 17:33	4,984	188,590,845	150,522,000	13,955,000	2,465,792
32	Oct 2, 2024 17:47	4,986	186,367,555	151,588,000	12,964,000	2,461,696
33	Oct 2, 2024 17:31	4,989	189,607,363	149,674,000	14,967,000	2,461,696
34	Oct 2, 2024 17:33	5,002	188,055,243	154,059,000	11,004,000	2,334,720
35	Oct 2, 2024 17:33	5,004	188,344,409	150,106,000	15,010,000	2,469,888
36	Oct 2, 2024 17:33	5,016	196,961,982	150,559,000	14,956,000	2,334,720
37	Oct 3, 2024 11:15	5,037	194,801,780	151,202,000	15,020,000	2,334,720
38	Oct 2, 2024 17:33	5,184	194,469,292	159,061,000	12,004,000	2,465,792
39	Oct 2, 2024 17:47	5,209	197,340,169	159,912,000	11,993,000	2,334,720
40	Oct 2, 2024 17:33	5,225	202,179,278	159,475,000	12,957,000	2,342,912
41	Oct 3, 2024 11:15	5,270	200,263,279	161,923,000	11,994,000	2,465,792
42	Oct 2, 2024 17:31	5,308	197,936,726	158,136,000	17,014,000	2,461,696
43	Oct 2, 2024 17:46	5,992	220,548,528	186,764,000	10,986,000	2,457,600

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