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 11, 2026 19:56

olliecrowScore: 17,599Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 11, 2026 20:05	17,485	603,479,323	552,996,000	23,999,000	2,293,760
2	Feb 11, 2026 20:05	17,489	601,856,780	552,126,000	25,005,000	2,383,872
3	Feb 11, 2026 19:59	17,508	604,723,611	553,759,000	23,989,000	2,457,600
4	Feb 11, 2026 20:04	17,509	601,310,666	552,814,000	24,991,000	2,371,584
5	Feb 11, 2026 20:05	17,511	599,679,694	552,875,000	24,994,000	2,453,504
6	Feb 11, 2026 20:05	17,512	603,843,900	553,904,000	23,995,000	2,461,696
7	Feb 11, 2026 19:54	17,516	599,850,343	554,024,000	24,001,000	2,404,352
8	Feb 11, 2026 19:59	17,518	600,581,543	552,083,000	26,003,000	2,424,832
9	Feb 11, 2026 19:56	17,520	600,762,058	552,143,000	26,006,000	2,277,376
10	Feb 11, 2026 19:57	17,530	603,924,916	553,512,000	24,978,000	2,277,376
11	Feb 11, 2026 19:54	17,532	605,273,758	553,583,000	24,981,000	2,457,600
12	Feb 11, 2026 19:57	17,534	604,782,362	552,628,000	25,982,000	2,453,504
13	Feb 11, 2026 20:05	17,534	601,313,381	552,642,000	25,983,000	2,318,336
14	Feb 11, 2026 20:05	17,545	602,275,655	553,981,000	24,999,000	2,318,336
15	Feb 11, 2026 19:59	17,550	601,634,132	554,133,000	25,006,000	2,469,888
16	Feb 11, 2026 19:59	17,552	607,470,051	555,204,000	24,008,000	2,449,408
17	Feb 11, 2026 20:05	17,553	608,093,735	555,250,000	24,010,000	2,461,696
18	Feb 11, 2026 20:05	17,556	607,008,111	554,340,000	25,015,000	2,482,176
19	Feb 11, 2026 19:54	17,558	608,944,838	554,443,000	24,974,000	2,457,600
20	Feb 11, 2026 20:05	17,559	604,490,241	553,481,000	25,975,000	2,355,200
21	Feb 11, 2026 22:52	17,559	609,642,871	554,481,000	24,976,000	2,441,216
22	Feb 11, 2026 20:05	17,560	603,110,087	554,507,000	24,977,000	2,494,464
23	Feb 11, 2026 20:05	17,562	607,095,239	555,553,000	23,980,000	2,510,848
24	Feb 11, 2026 20:05	17,562	601,343,800	554,556,000	24,980,000	2,465,792
25	Feb 11, 2026 20:05	17,562	602,228,059	553,579,000	25,980,000	2,465,792
26	Feb 11, 2026 19:51	17,564	606,283,528	554,632,000	24,983,000	2,367,488
27	Feb 11, 2026 19:57	17,568	601,605,585	554,762,000	24,989,000	2,453,504
28	Feb 11, 2026 20:05	17,568	606,326,751	553,761,000	25,988,000	2,465,792
29	Feb 11, 2026 19:59	17,570	601,608,477	553,807,000	25,990,000	2,514,944
30	Feb 11, 2026 21:39	17,571	605,212,005	554,860,000	24,993,000	2,457,600
31	Feb 11, 2026 19:51	17,572	603,369,631	554,896,000	24,995,000	2,461,696
32	Feb 11, 2026 19:59	17,573	607,545,896	554,908,000	24,995,000	2,510,848
33	Feb 11, 2026 21:16	17,574	601,942,455	555,953,000	23,997,000	2,449,408
34	Feb 11, 2026 19:57	17,575	610,740,437	553,974,000	25,998,000	2,367,488
35	Feb 11, 2026 19:51	17,577	604,526,326	556,035,000	24,001,000	2,457,600
36	Feb 11, 2026 19:59	17,581	608,824,549	554,154,000	26,007,000	2,461,696
37	Feb 11, 2026 21:26	17,581	605,730,584	555,138,000	25,051,000	2,387,968
38	Feb 11, 2026 19:59	17,582	601,424,723	555,202,000	25,009,000	2,445,312
39	Feb 11, 2026 19:54	17,583	611,053,209	552,239,000	28,012,000	2,461,696
40	Feb 11, 2026 19:54	17,583	605,196,519	555,229,000	25,010,000	2,363,392
41	Feb 11, 2026 19:54	17,586	605,895,913	554,332,000	26,015,000	2,367,488
42	Feb 11, 2026 19:51	17,588	608,699,688	553,435,000	26,972,000	2,387,968
43	Feb 11, 2026 19:51	17,589	604,570,196	554,463,000	25,974,000	2,351,104
44	Feb 11, 2026 21:39	17,591	608,382,308	555,532,000	24,978,000	2,277,376
45	Feb 11, 2026 19:51	17,592	606,754,813	555,556,000	24,980,000	2,293,760
46	Feb 11, 2026 20:05	17,592	606,190,570	555,541,000	24,979,000	2,461,696
47	Feb 11, 2026 20:05	17,592	602,240,622	553,547,000	26,977,000	2,273,280
48	Feb 11, 2026 21:16	17,592	602,370,401	554,557,000	25,979,000	2,318,336
49	Feb 11, 2026 19:57	17,593	607,693,475	555,602,000	24,982,000	2,277,376
50	Feb 11, 2026 20:04	17,593	603,834,099	554,580,000	25,980,000	2,461,696
51	Feb 11, 2026 21:53	17,594	603,951,800	555,611,000	24,982,000	2,514,944
52	Feb 11, 2026 19:57	17,595	601,299,223	554,637,000	25,983,000	2,457,600
53	Feb 11, 2026 20:05	17,596	608,575,547	555,671,000	24,985,000	2,457,600
54	Feb 11, 2026 19:59	17,597	604,403,213	554,722,000	25,986,000	2,277,376
55	Feb 11, 2026 21:12	17,597	605,208,474	555,729,000	24,987,000	2,318,336
56	Feb 11, 2026 19:51	17,598	605,777,167	555,751,000	24,988,000	2,322,432
57	Feb 11, 2026 19:54	17,598	605,419,757	554,753,000	25,988,000	2,453,504
58	Feb 11, 2026 20:05	17,599	610,866,471	555,789,000	24,990,000	2,433,024
59	Feb 11, 2026 19:59	17,600	604,372,417	555,814,000	24,991,000	2,441,216
60	Feb 11, 2026 19:54	17,601	603,721,906	555,827,000	24,992,000	2,367,488
61	Feb 11, 2026 19:57	17,601	607,243,811	555,828,000	24,992,000	2,445,312
62	Feb 11, 2026 19:57	17,601	605,104,560	555,836,000	24,992,000	2,404,352
63	Feb 11, 2026 20:10	17,602	606,470,846	554,858,000	25,993,000	2,273,280
64	Feb 11, 2026 20:10	17,602	607,503,869	553,882,000	26,994,000	2,482,176
65	Feb 11, 2026 22:52	17,605	604,767,766	554,982,000	25,999,000	2,363,392
66	Feb 11, 2026 20:05	17,610	607,432,268	555,125,000	26,005,000	2,342,912
67	Feb 11, 2026 19:54	17,612	607,251,481	555,201,000	26,009,000	2,457,600
68	Feb 11, 2026 20:05	17,613	606,426,243	557,231,000	24,009,000	2,404,352
69	Feb 11, 2026 19:57	17,618	613,702,169	555,407,000	25,972,000	2,396,160
70	Feb 11, 2026 20:10	17,619	608,261,256	555,442,000	25,973,000	2,469,888
71	Feb 11, 2026 21:12	17,619	606,759,275	554,469,000	26,974,000	2,457,600
72	Feb 11, 2026 20:05	17,620	604,632,937	555,479,000	25,975,000	2,457,600
73	Feb 11, 2026 19:54	17,622	606,197,940	557,520,000	24,022,000	2,457,600
74	Feb 11, 2026 19:57	17,624	605,012,263	556,617,000	24,982,000	2,453,504
75	Feb 11, 2026 20:05	17,624	606,636,244	556,599,000	24,982,000	2,277,376
76	Feb 11, 2026 20:04	17,625	604,279,529	556,655,000	24,984,000	2,277,376
77	Feb 11, 2026 20:05	17,625	615,787,725	556,643,000	24,983,000	2,461,696
78	Feb 11, 2026 19:59	17,629	604,991,639	555,767,000	25,989,000	2,330,624
79	Feb 11, 2026 19:51	17,630	610,801,354	556,811,000	24,991,000	2,490,368
80	Feb 11, 2026 19:57	17,630	601,874,786	553,785,000	27,989,000	2,457,600
81	Feb 11, 2026 19:51	17,634	606,539,004	557,931,000	23,997,000	2,457,600
82	Feb 11, 2026 20:05	17,635	605,281,014	557,968,000	23,998,000	2,461,696
83	Feb 11, 2026 19:57	17,637	607,380,339	557,033,000	25,001,000	2,416,640
84	Feb 11, 2026 19:59	17,637	604,563,187	557,027,000	25,001,000	2,457,600
85	Feb 11, 2026 20:05	17,638	603,784,813	558,038,000	24,001,000	2,523,136
86	Feb 11, 2026 21:26	17,638	611,418,979	556,043,000	26,002,000	2,461,696
87	Feb 11, 2026 19:54	17,639	610,028,614	557,074,000	25,003,000	2,453,504
88	Feb 11, 2026 19:57	17,640	607,784,895	558,124,000	24,005,000	2,457,600
89	Feb 11, 2026 21:53	17,640	603,758,013	556,112,000	26,005,000	2,387,968
90	Feb 11, 2026 19:54	17,641	605,241,505	558,133,000	24,005,000	2,404,352
91	Feb 11, 2026 21:16	17,642	604,156,444	557,186,000	25,008,000	2,273,280
92	Feb 11, 2026 21:39	17,646	608,942,912	558,298,000	24,012,000	2,457,600
93	Feb 11, 2026 19:54	17,647	616,911,275	557,375,000	24,972,000	2,371,584
94	Feb 11, 2026 19:59	17,647	610,324,839	556,370,000	25,970,000	2,453,504
95	Feb 11, 2026 19:59	17,650	611,901,712	556,462,000	25,974,000	2,392,064
96	Feb 11, 2026 20:05	17,651	609,534,421	557,513,000	24,978,000	2,465,792
97	Feb 11, 2026 20:05	17,654	610,249,189	557,595,000	24,981,000	2,449,408
98	Feb 11, 2026 19:59	17,655	610,424,896	557,630,000	24,983,000	2,453,504
99	Feb 11, 2026 19:54	17,657	608,886,195	558,685,000	23,986,000	2,486,272
100	Feb 11, 2026 20:05	17,657	608,563,644	558,684,000	23,986,000	2,514,944
101	Feb 11, 2026 22:52	17,657	610,147,517	557,692,000	24,986,000	2,457,600
102	Feb 11, 2026 21:53	17,660	610,510,371	556,805,000	25,990,000	2,269,184
103	Feb 11, 2026 19:57	17,661	608,837,732	557,827,000	24,992,000	2,269,184
104	Feb 11, 2026 19:59	17,661	607,415,522	555,833,000	26,991,000	2,277,376
105	Feb 11, 2026 21:26	17,663	614,433,595	556,898,000	25,995,000	2,510,848
106	Feb 11, 2026 19:56	17,667	602,602,631	557,999,000	24,999,000	2,277,376
107	Feb 11, 2026 20:05	17,667	606,696,483	558,008,000	25,000,000	2,322,432
108	Feb 11, 2026 19:59	17,676	609,600,512	557,309,000	26,014,000	2,478,080
109	Feb 11, 2026 19:54	17,677	611,605,047	557,364,000	25,970,000	2,510,848
110	Feb 11, 2026 19:56	17,678	609,100,279	557,365,000	26,017,000	2,457,600
111	Feb 11, 2026 21:12	17,682	612,993,562	557,530,000	25,978,000	2,306,048
112	Feb 11, 2026 19:57	17,684	613,168,480	557,597,000	25,981,000	2,457,600
113	Feb 11, 2026 19:59	17,686	608,287,159	557,669,000	25,984,000	2,355,200
114	Feb 11, 2026 20:05	17,704	609,688,298	559,233,000	25,010,000	2,277,376

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