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 listFeb 23, 2026 13:21

Josu San MartinScore: 4,088Success

Source Code

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Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 17, 2026 03:37	4,058	158,747,951	131,929,000	1,998,000	2,404,352
2	Mar 18, 2026 01:25	4,066	155,693,650	132,184,000	2,002,000	2,400,256
3	Feb 24, 2026 02:21	4,067	157,853,017	133,223,000	1,001,000	2,293,760
4	Mar 17, 2026 03:37	4,067	162,507,298	132,207,000	2,003,000	2,289,664
5	Feb 24, 2026 02:21	4,071	155,221,008	133,335,000	1,002,000	2,293,760
6	Mar 17, 2026 03:37	4,071	162,090,253	134,354,000	0	2,387,968
7	Mar 18, 2026 01:25	4,072	156,139,391	133,369,000	1,002,000	2,392,064
8	Feb 24, 2026 02:21	4,072	160,381,522	133,370,000	1,002,000	2,400,256
9	Feb 24, 2026 12:47	4,072	166,674,781	134,392,000	0	2,293,760
10	Feb 24, 2026 12:47	4,072	154,898,710	133,387,000	1,002,000	2,293,760
11	Mar 17, 2026 03:37	4,072	161,076,968	133,367,000	1,002,000	2,400,256
12	Feb 24, 2026 12:47	4,073	164,982,645	133,421,000	1,003,000	2,404,352
13	Mar 17, 2026 03:37	4,074	161,816,780	133,428,000	1,003,000	2,289,664
14	Mar 17, 2026 03:37	4,075	164,626,857	134,469,000	0	2,289,664
15	Feb 24, 2026 02:21	4,075	160,132,297	133,466,000	1,003,000	2,392,064
16	Feb 21, 2026 05:44	4,076	162,618,121	134,517,000	0	2,400,256
17	Feb 24, 2026 12:47	4,076	161,004,482	134,512,000	0	2,387,968
18	Feb 24, 2026 12:47	4,076	159,156,631	133,520,000	1,003,000	2,293,760
19	Mar 18, 2026 01:25	4,076	164,138,999	134,511,000	0	2,289,664
20	Mar 17, 2026 03:37	4,076	162,833,302	134,504,000	0	2,396,160
21	Feb 24, 2026 02:21	4,077	164,238,604	134,527,000	0	2,396,160
22	Feb 24, 2026 02:21	4,079	163,104,117	132,629,000	1,994,000	2,293,760
23	Feb 21, 2026 13:38	4,081	164,929,485	133,660,000	997,000	2,293,760
24	Feb 24, 2026 02:21	4,081	158,527,277	133,669,000	997,000	2,514,944
25	Feb 22, 2026 04:23	4,081	165,551,259	133,687,000	997,000	2,293,760
26	Feb 22, 2026 04:23	4,081	163,318,209	133,677,000	997,000	2,392,064
27	Feb 22, 2026 04:23	4,081	160,109,894	133,670,000	997,000	2,392,064
28	Feb 24, 2026 02:21	4,081	168,069,620	132,689,000	1,995,000	2,400,256
29	Feb 24, 2026 02:21	4,081	166,526,964	133,692,000	997,000	2,293,760
30	Feb 21, 2026 05:44	4,081	162,677,372	133,677,000	997,000	2,301,952
31	Feb 24, 2026 12:47	4,081	170,147,786	132,690,000	1,995,000	2,396,160
32	Feb 21, 2026 13:38	4,081	159,818,276	133,683,000	997,000	2,404,352
33	Feb 21, 2026 13:38	4,081	160,890,119	132,678,000	1,995,000	2,293,760
34	Feb 21, 2026 13:38	4,081	163,442,858	132,665,000	1,994,000	2,396,160
35	Feb 24, 2026 12:47	4,082	166,305,536	132,697,000	1,995,000	2,293,760
36	Mar 17, 2026 03:37	4,082	159,704,767	133,718,000	997,000	2,392,064
37	Feb 21, 2026 05:44	4,082	160,996,566	132,705,000	1,995,000	2,396,160
38	Feb 21, 2026 05:44	4,082	158,754,747	132,702,000	1,995,000	2,301,952
39	Feb 21, 2026 13:38	4,083	158,622,461	133,756,000	998,000	2,396,160
40	Feb 22, 2026 04:23	4,084	157,912,026	133,778,000	998,000	2,293,760
41	Feb 22, 2026 04:23	4,084	158,765,054	132,780,000	1,996,000	2,293,760
42	Feb 21, 2026 13:38	4,084	158,267,915	132,765,000	1,996,000	2,293,760
43	Feb 22, 2026 04:23	4,085	163,030,120	133,793,000	998,000	2,293,760
44	Feb 22, 2026 04:23	4,085	161,915,658	132,793,000	1,996,000	2,400,256
45	Feb 21, 2026 05:44	4,085	162,059,430	132,812,000	1,997,000	2,514,944
46	Feb 21, 2026 05:44	4,085	156,820,060	133,795,000	998,000	2,301,952
47	Feb 21, 2026 05:44	4,086	157,212,122	132,828,000	1,997,000	2,301,952
48	Feb 24, 2026 12:47	4,087	158,586,884	132,882,000	1,998,000	2,404,352
49	Feb 21, 2026 13:38	4,087	158,702,592	133,864,000	998,000	2,293,760
50	Mar 17, 2026 04:55	4,088	163,380,135	133,917,000	999,000	2,289,664
51	Feb 22, 2026 16:49	4,088	156,861,281	132,892,000	1,998,000	2,293,760
52	Feb 21, 2026 13:38	4,088	157,727,590	132,891,000	1,998,000	2,392,064
53	Feb 21, 2026 05:44	4,088	157,885,089	133,921,000	999,000	2,396,160
54	Feb 21, 2026 05:44	4,089	161,450,897	132,936,000	1,999,000	2,301,952
55	Feb 22, 2026 16:49	4,089	157,680,452	133,922,000	999,000	2,293,760
56	Mar 17, 2026 04:55	4,089	159,936,941	132,948,000	1,999,000	2,396,160
57	Feb 22, 2026 04:23	4,090	161,065,700	133,972,000	999,000	2,293,760
58	Feb 22, 2026 16:49	4,091	160,740,364	133,992,000	999,000	2,293,760
59	Feb 21, 2026 05:44	4,091	157,798,059	134,005,000	1,000,000	2,301,952
60	Feb 21, 2026 05:44	4,091	156,863,830	133,993,000	999,000	2,396,160
61	Feb 21, 2026 05:44	4,091	159,440,353	133,015,000	2,000,000	2,400,256
62	Feb 21, 2026 05:44	4,092	160,222,456	133,024,000	2,000,000	2,301,952
63	Feb 22, 2026 16:49	4,092	156,412,605	134,032,000	1,000,000	2,400,256
64	Feb 21, 2026 05:44	4,092	162,321,675	134,031,000	1,000,000	2,301,952
65	Feb 21, 2026 05:44	4,092	158,132,531	134,030,000	1,000,000	2,301,952
66	Mar 17, 2026 04:55	4,094	157,720,878	133,096,000	2,001,000	2,400,256
67	Feb 22, 2026 16:49	4,095	161,464,435	133,127,000	2,001,000	2,392,064
68	Feb 22, 2026 04:23	4,096	154,911,293	134,153,000	1,001,000	2,293,760
69	Feb 22, 2026 16:49	4,096	162,725,628	134,153,000	1,001,000	2,387,968
70	Feb 24, 2026 12:47	4,096	164,342,111	134,168,000	1,001,000	2,396,160
71	Feb 22, 2026 16:49	4,098	157,596,306	133,216,000	2,003,000	2,293,760
72	Feb 22, 2026 16:49	4,098	158,246,148	133,234,000	2,003,000	2,293,760
73	Feb 21, 2026 05:44	4,100	158,582,541	135,284,000	0	2,293,760
74	Feb 23, 2026 00:30	4,100	157,775,500	134,296,000	1,002,000	2,293,760
75	Feb 21, 2026 05:44	4,101	160,261,755	135,348,000	0	2,293,760
76	Feb 23, 2026 00:30	4,102	164,253,758	135,376,000	0	2,293,760
77	Feb 23, 2026 00:30	4,104	159,606,442	134,423,000	1,003,000	2,293,760
78	Feb 23, 2026 00:30	4,111	168,620,094	134,667,000	997,000	2,400,256
79	Feb 21, 2026 05:44	4,112	164,881,500	134,689,000	997,000	2,301,952
80	Feb 22, 2026 16:49	4,115	158,750,359	133,813,000	1,997,000	2,400,256
81	Feb 23, 2026 00:30	4,116	158,979,478	134,842,000	998,000	2,293,760
82	Feb 22, 2026 14:27	4,119	164,174,966	134,923,000	999,000	2,396,160
83	Feb 23, 2026 13:53	4,120	161,696,179	133,976,000	1,999,000	2,293,760
84	Feb 22, 2026 14:27	4,120	158,787,358	133,955,000	1,999,000	2,293,760
85	Feb 22, 2026 14:27	4,121	162,225,847	135,992,000	0	2,293,760
86	Feb 23, 2026 13:53	4,121	157,903,770	134,997,000	999,000	2,387,968
87	Feb 22, 2026 14:27	4,121	156,984,313	134,981,000	999,000	2,396,160
88	Feb 22, 2026 14:27	4,122	162,484,066	135,020,000	1,000,000	2,293,760
89	Feb 23, 2026 13:21	4,122	158,754,904	135,017,000	1,000,000	2,404,352
90	Feb 22, 2026 14:27	4,127	161,550,039	135,200,000	1,001,000	2,293,760
91	Feb 23, 2026 13:53	4,129	166,859,887	134,248,000	2,003,000	2,396,160
92	Feb 22, 2026 14:27	4,129	161,130,088	136,258,000	0	2,293,760
93	Feb 22, 2026 14:27	4,130	159,804,319	136,292,000	0	2,293,760
94	Feb 22, 2026 14:27	4,131	165,140,288	136,334,000	0	2,396,160
95	Feb 23, 2026 13:21	4,134	166,154,877	135,435,000	1,003,000	2,404,352
96	Feb 23, 2026 13:21	4,135	162,880,659	135,456,000	1,003,000	2,396,160
97	Feb 23, 2026 00:30	4,183	158,356,453	137,050,000	1,000,000	2,514,944
98	Mar 17, 2026 03:37	4,193	165,131,026	137,384,000	995,000	2,289,664
99	Feb 21, 2026 13:38	4,242	161,719,007	137,991,000	1,999,000	2,400,256

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