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.

Back to listJan 7, 2026 22:55

zielajScore: 3,167Success

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 7, 2026 03:55	3,039	127,521,552	97,294,000	3,009,000	2,535,424
2	Jan 7, 2026 19:05	3,044	122,089,392	98,431,000	2,008,000	2,400,256
3	Jan 7, 2026 03:49	3,045	130,230,801	99,471,000	1,004,000	2,404,352
4	Jan 7, 2026 03:49	3,049	134,640,704	99,599,000	1,006,000	2,535,424
5	Jan 7, 2026 04:02	3,057	125,385,467	97,871,000	2,996,000	2,535,424
6	Jan 7, 2026 03:55	3,059	127,405,601	98,934,000	1,998,000	2,408,448
7	Jan 7, 2026 04:01	3,060	122,540,476	97,977,000	2,999,000	2,412,544
8	Jan 7, 2026 03:46	3,060	122,184,882	99,970,000	999,000	2,510,848
9	Jan 7, 2026 03:46	3,063	124,920,664	99,087,000	2,001,000	2,396,160
10	Jan 7, 2026 03:55	3,068	123,199,037	99,255,000	2,005,000	2,404,352
11	Jan 7, 2026 03:46	3,096	127,091,492	100,158,000	2,003,000	2,535,424
12	Jan 7, 2026 03:55	3,098	122,898,300	100,244,000	2,004,000	2,412,544
13	Jan 7, 2026 03:55	3,102	125,345,856	100,371,000	2,007,000	2,404,352
14	Jan 7, 2026 03:46	3,102	129,353,170	100,348,000	2,006,000	2,400,256
15	Jan 7, 2026 22:55	3,110	127,526,923	101,610,000	1,006,000	2,404,352
16	Jan 7, 2026 03:55	3,114	126,011,741	100,778,000	1,995,000	2,396,160
17	Jan 7, 2026 03:46	3,119	123,480,267	101,934,000	999,000	2,535,424
18	Jan 7, 2026 03:55	3,124	122,791,111	102,103,000	1,001,000	2,396,160
19	Jan 7, 2026 03:55	3,129	126,116,873	101,262,000	2,005,000	2,408,448
20	Jan 7, 2026 03:46	3,138	127,655,105	102,564,000	1,005,000	2,535,424
21	Jan 7, 2026 19:05	3,150	124,629,484	101,939,000	1,998,000	2,506,752
22	Jan 7, 2026 03:49	3,163	125,495,933	103,390,000	1,003,000	2,400,256
23	Jan 7, 2026 04:02	3,167	133,059,274	102,516,000	2,010,000	2,273,280
24	Jan 7, 2026 04:01	3,169	132,162,451	104,566,000	0	2,412,544
25	Jan 7, 2026 03:49	3,170	133,522,615	102,614,000	2,012,000	2,506,752
26	Jan 7, 2026 19:08	3,175	131,426,663	103,778,000	997,000	2,404,352
27	Jan 7, 2026 19:08	3,193	123,668,660	103,353,000	2,006,000	2,408,448
28	Jan 7, 2026 22:54	3,207	130,737,247	104,839,000	998,000	2,404,352
29	Jan 7, 2026 03:49	3,207	124,831,594	103,839,000	1,996,000	2,502,656
30	Jan 7, 2026 19:05	3,208	125,232,176	103,863,000	1,997,000	2,396,160
31	Jan 7, 2026 03:49	3,209	130,327,925	104,884,000	998,000	2,404,352
32	Jan 7, 2026 22:54	3,216	126,777,564	104,135,000	2,002,000	2,498,560
33	Jan 7, 2026 03:49	3,218	131,109,368	104,185,000	2,003,000	2,396,160
34	Jan 7, 2026 03:49	3,225	131,784,934	104,422,000	2,008,000	2,404,352
35	Jan 7, 2026 03:49	3,237	133,386,963	106,815,000	0	2,502,656
36	Jan 7, 2026 03:55	3,240	134,147,826	104,910,000	1,998,000	2,408,448
37	Jan 7, 2026 19:08	3,243	128,161,539	105,004,000	2,000,000	2,408,448
38	Jan 7, 2026 22:54	3,248	135,707,618	105,192,000	2,003,000	2,408,448
39	Jan 7, 2026 03:46	3,260	133,910,592	107,571,000	0	2,273,280
40	Jan 7, 2026 03:46	3,266	132,096,270	105,786,000	1,995,000	2,383,872
41	Jan 7, 2026 03:46	3,281	129,712,926	107,286,000	1,002,000	2,404,352
42	Jan 7, 2026 04:02	3,298	130,503,028	106,843,000	1,997,000	2,535,424
43	Jan 7, 2026 22:55	3,339	136,693,300	109,196,000	1,001,000	2,535,424
44	Jan 7, 2026 22:55	3,357	131,406,141	108,771,000	1,995,000	2,400,256
45	Jan 7, 2026 04:01	3,448	143,068,277	111,790,000	1,996,000	2,273,280

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