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 listMar 21, 2026 02:14

Dominique GarmierScore: 16,751Success

Source Code

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Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 20, 2026 12:21	16,600	573,909,966	542,791,000	4,998,000	2,506,752
2	Mar 19, 2026 13:24	16,630	576,511,401	540,792,000	7,996,000	2,457,600
3	Mar 19, 2026 11:50	16,631	573,418,052	542,827,000	5,998,000	2,461,696
4	Mar 20, 2026 12:16	16,640	573,333,977	544,116,000	5,001,000	2,457,600
5	Mar 19, 2026 13:30	16,642	574,627,016	543,177,000	6,001,000	2,310,144
6	Mar 19, 2026 20:04	16,642	577,979,083	545,200,000	4,001,000	2,457,600
7	Mar 20, 2026 13:32	16,650	579,042,600	544,455,000	5,004,000	2,359,296
8	Mar 20, 2026 17:23	16,651	574,409,404	543,485,000	5,994,000	2,400,256
9	Mar 19, 2026 13:30	16,652	576,498,275	542,527,000	6,993,000	2,310,144
10	Mar 20, 2026 17:23	16,653	578,939,833	543,543,000	5,994,000	2,461,696
11	Mar 19, 2026 13:06	16,660	574,309,904	545,766,000	3,998,000	2,453,504
12	Mar 19, 2026 12:59	16,666	582,131,017	543,963,000	5,999,000	2,310,144
13	Mar 19, 2026 00:26	16,668	580,662,296	545,051,000	5,000,000	2,273,280
14	Mar 19, 2026 11:50	16,668	579,751,934	543,029,000	7,000,000	2,273,280
15	Mar 19, 2026 13:24	16,668	576,467,274	545,042,000	5,000,000	2,457,600
16	Mar 19, 2026 13:24	16,672	571,984,032	543,187,000	7,002,000	2,457,600
17	Mar 19, 2026 19:57	16,672	579,574,535	544,163,000	6,001,000	2,490,368
18	Mar 20, 2026 13:10	16,673	579,802,445	544,223,000	6,002,000	2,453,504
19	Mar 19, 2026 13:30	16,675	574,159,415	545,272,000	5,002,000	2,445,312
20	Mar 20, 2026 11:34	16,677	574,484,099	543,336,000	7,004,000	2,449,408
21	Mar 19, 2026 11:50	16,679	576,112,759	544,409,000	5,993,000	2,301,952
22	Mar 25, 2026 01:03	16,681	576,344,465	544,480,000	5,994,000	2,449,408
23	Mar 19, 2026 10:54	16,682	581,572,904	543,508,000	6,993,000	2,367,488
24	Mar 20, 2026 11:34	16,682	573,910,757	544,527,000	5,994,000	2,400,256
25	Mar 20, 2026 17:23	16,682	577,746,501	545,503,000	4,995,000	2,367,488
26	Mar 19, 2026 13:06	16,684	578,853,401	545,582,000	4,996,000	2,453,504
27	Mar 19, 2026 13:06	16,688	575,139,147	544,700,000	5,996,000	2,461,696
28	Mar 19, 2026 11:45	16,689	590,123,492	544,745,000	5,997,000	2,379,776
29	Mar 19, 2026 11:50	16,689	581,198,735	544,754,000	5,997,000	2,359,296
30	Mar 20, 2026 13:42	16,690	579,741,115	543,778,000	6,997,000	2,453,504
31	Mar 19, 2026 20:04	16,691	574,065,477	544,810,000	5,997,000	2,506,752
32	Mar 19, 2026 13:06	16,697	579,670,651	545,987,000	4,999,000	2,420,736
33	Mar 20, 2026 12:05	16,698	574,534,733	546,046,000	5,000,000	2,416,640
34	Mar 19, 2026 12:59	16,699	576,278,730	545,054,000	6,000,000	2,359,296
35	Mar 20, 2026 12:21	16,701	579,238,260	544,127,000	7,001,000	2,383,872
36	Mar 19, 2026 12:59	16,703	576,427,746	544,210,000	7,002,000	2,285,568
37	Mar 19, 2026 00:58	16,710	577,375,296	545,432,000	5,993,000	2,461,696
38	Mar 20, 2026 13:10	16,710	582,509,090	546,437,000	5,004,000	2,457,600
39	Mar 19, 2026 02:14	16,712	579,024,918	542,509,000	8,991,000	2,424,832
40	Mar 19, 2026 13:24	16,713	574,737,188	544,531,000	6,993,000	2,379,776
41	Mar 20, 2026 11:34	16,715	584,055,229	543,615,000	7,994,000	2,453,504
42	Mar 20, 2026 13:01	16,715	584,217,559	545,597,000	5,995,000	2,371,584
43	Mar 20, 2026 13:01	16,716	582,756,438	542,632,000	8,993,000	2,449,408
44	Mar 19, 2026 13:20	16,718	577,011,708	544,710,000	6,996,000	2,265,088
45	Mar 19, 2026 13:30	16,719	578,683,281	547,744,000	3,998,000	2,453,504
46	Mar 25, 2026 01:03	16,720	583,678,133	543,770,000	7,996,000	2,453,504
47	Mar 20, 2026 12:54	16,723	576,298,726	549,867,000	1,999,000	2,531,328
48	Mar 19, 2026 02:14	16,724	577,840,943	545,887,000	5,998,000	2,453,504
49	Mar 19, 2026 02:14	16,725	582,740,931	548,917,000	2,999,000	2,367,488
50	Mar 19, 2026 19:55	16,725	578,830,767	546,915,000	4,999,000	2,273,280
51	Mar 19, 2026 12:59	16,726	579,265,888	543,944,000	7,999,000	2,461,696
52	Mar 19, 2026 19:55	16,728	581,328,885	548,040,000	4,000,000	2,445,312
53	Mar 20, 2026 13:42	16,728	581,381,183	546,022,000	6,000,000	2,453,504
54	Mar 20, 2026 17:23	16,728	578,023,005	545,009,000	7,000,000	2,318,336
55	Mar 19, 2026 12:59	16,731	579,556,369	546,114,000	6,001,000	2,449,408
56	Mar 19, 2026 00:26	16,733	581,724,859	545,176,000	7,002,000	2,457,600
57	Mar 19, 2026 11:45	16,733	579,750,474	545,213,000	6,989,000	2,404,352
58	Mar 19, 2026 13:30	16,735	579,202,708	546,253,000	6,002,000	2,453,504
59	Mar 19, 2026 13:24	16,736	580,809,835	546,297,000	6,003,000	2,318,336
60	Mar 21, 2026 03:21	16,737	580,142,184	544,341,000	7,990,000	2,400,256
61	Mar 20, 2026 11:49	16,740	579,789,696	546,429,000	5,993,000	2,408,448
62	Mar 20, 2026 11:49	16,741	579,293,262	545,457,000	6,993,000	2,396,160
63	Mar 21, 2026 02:14	16,741	579,013,947	548,446,000	3,995,000	2,457,600
64	Mar 19, 2026 02:14	16,743	578,067,928	545,529,000	6,993,000	2,453,504
65	Mar 19, 2026 13:24	16,743	578,242,894	547,522,000	4,995,000	2,269,184
66	Mar 19, 2026 13:30	16,743	580,026,498	545,511,000	6,993,000	2,453,504
67	Mar 19, 2026 13:09	16,744	581,988,510	545,569,000	6,994,000	2,465,792
68	Mar 19, 2026 01:09	16,747	579,658,925	544,659,000	7,995,000	2,457,600
69	Mar 19, 2026 11:41	16,747	581,089,349	544,664,000	7,995,000	2,359,296
70	Mar 19, 2026 12:48	16,747	577,647,799	545,641,000	6,995,000	2,461,696
71	Mar 19, 2026 13:13	16,748	581,030,671	546,679,000	5,996,000	2,392,064
72	Mar 19, 2026 13:24	16,750	581,913,281	545,752,000	6,996,000	2,273,280
73	Mar 19, 2026 02:14	16,751	583,305,405	546,778,000	5,997,000	2,457,600
74	Mar 19, 2026 12:59	16,751	577,202,020	547,770,000	4,997,000	2,441,216
75	Mar 19, 2026 10:54	16,755	579,520,450	551,909,000	999,000	2,445,312
76	Mar 19, 2026 20:04	16,755	577,210,597	546,909,000	5,999,000	2,306,048
77	Mar 19, 2026 11:41	16,757	581,954,538	548,972,000	3,999,000	2,449,408
78	Mar 20, 2026 17:23	16,760	578,732,467	546,083,000	7,001,000	2,457,600
79	Mar 25, 2026 05:09	16,760	581,979,828	547,094,000	6,001,000	2,453,504
80	Mar 19, 2026 12:59	16,762	584,013,828	548,153,000	5,001,000	2,412,544
81	Mar 19, 2026 11:41	16,764	586,353,374	545,217,000	8,003,000	2,396,160
82	Mar 20, 2026 11:49	16,764	581,862,266	545,195,000	8,002,000	2,387,968
83	Mar 19, 2026 13:20	16,765	581,057,538	545,239,000	8,003,000	2,273,280
84	Mar 20, 2026 13:10	16,766	581,198,743	547,283,000	5,992,000	2,318,336
85	Mar 19, 2026 12:59	16,767	580,069,842	547,319,000	6,003,000	2,453,504
86	Mar 19, 2026 13:30	16,772	576,324,207	547,478,000	6,005,000	2,347,008
87	Mar 20, 2026 12:16	16,773	576,075,458	546,520,000	6,993,000	2,465,792
88	Mar 19, 2026 10:59	16,775	584,004,603	547,573,000	5,995,000	2,453,504
89	Mar 20, 2026 12:54	16,775	580,134,521	546,574,000	6,994,000	2,273,280
90	Mar 19, 2026 13:06	16,777	581,715,080	548,652,000	4,996,000	2,359,296
91	Mar 20, 2026 12:16	16,778	584,952,648	548,690,000	4,997,000	2,273,280
92	Mar 20, 2026 12:54	16,780	586,261,616	547,754,000	5,997,000	2,297,856
93	Mar 19, 2026 12:59	16,781	587,057,672	548,760,000	4,997,000	2,461,696
94	Mar 25, 2026 05:09	16,782	583,682,066	548,806,000	4,998,000	2,449,408
95	Mar 19, 2026 02:14	16,783	589,767,966	548,829,000	4,998,000	2,453,504
96	Mar 20, 2026 17:23	16,783	583,099,033	549,841,000	3,998,000	2,457,600
97	Mar 19, 2026 00:26	16,787	583,668,642	548,976,000	4,999,000	2,293,760
98	Mar 20, 2026 17:23	16,790	582,219,346	548,056,000	6,000,000	2,449,408
99	Mar 19, 2026 11:45	16,793	585,501,675	549,160,000	5,001,000	2,453,504
100	Mar 19, 2026 13:06	16,794	579,513,710	546,210,000	8,003,000	2,379,776
101	Mar 19, 2026 12:48	16,795	579,266,867	547,235,000	7,003,000	2,359,296
102	Mar 19, 2026 13:09	16,795	577,503,608	551,248,000	3,001,000	2,387,968
103	Mar 19, 2026 13:30	16,796	583,441,696	549,278,000	5,002,000	2,453,504
104	Mar 19, 2026 13:24	16,799	581,600,456	547,384,000	6,992,000	2,273,280
105	Mar 19, 2026 11:50	16,801	584,360,188	548,446,000	5,993,000	2,375,680
106	Mar 19, 2026 02:14	16,802	585,758,590	546,484,000	7,992,000	2,297,856
107	Mar 19, 2026 13:06	16,802	584,346,716	546,470,000	7,992,000	2,457,600
108	Mar 19, 2026 00:58	16,803	588,109,214	551,513,000	2,997,000	2,498,560
109	Mar 19, 2026 02:14	16,803	583,815,134	547,499,000	6,993,000	2,449,408
110	Mar 19, 2026 11:50	16,806	581,711,790	548,597,000	5,995,000	2,359,296
111	Mar 20, 2026 13:32	16,806	585,874,536	548,619,000	5,995,000	2,371,584
112	Mar 19, 2026 13:30	16,811	582,672,852	547,764,000	6,996,000	2,428,928
113	Mar 20, 2026 13:42	16,811	580,919,343	548,764,000	5,997,000	2,457,600
114	Mar 19, 2026 11:50	16,821	584,799,263	550,109,000	5,000,000	2,379,776
115	Mar 21, 2026 03:21	16,830	584,012,844	550,411,000	4,994,000	2,314,240
116	Mar 19, 2026 11:50	16,836	583,284,448	550,590,000	4,996,000	2,445,312
117	Mar 19, 2026 13:06	16,840	584,732,936	550,716,000	4,997,000	2,449,408
118	Mar 20, 2026 12:05	16,843	582,382,190	551,814,000	3,998,000	2,404,352
119	Mar 19, 2026 19:55	16,846	584,858,124	548,921,000	6,999,000	2,273,280
120	Mar 19, 2026 19:57	16,869	589,564,034	550,696,000	5,996,000	2,445,312
121	Mar 19, 2026 13:24	16,876	585,214,808	551,913,000	4,999,000	2,314,240
122	Mar 19, 2026 12:48	16,922	590,109,790	552,435,000	5,993,000	2,453,504
123	Mar 19, 2026 02:14	16,968	588,269,466	552,946,000	6,999,000	2,306,048
124	Mar 19, 2026 13:13	16,969	590,467,027	554,966,000	4,999,000	2,457,600
125	Mar 19, 2026 00:58	16,972	582,591,220	554,065,000	6,000,000	2,273,280
126	Mar 19, 2026 01:09	16,978	589,869,993	555,266,000	4,993,000	2,273,280
127	Mar 19, 2026 11:50	16,978	586,045,610	554,293,000	5,992,000	2,445,312
128	Mar 20, 2026 12:05	16,978	584,848,743	552,269,000	7,989,000	2,514,944
129	Mar 21, 2026 03:21	16,981	586,448,308	555,391,000	4,994,000	2,367,488
130	Mar 20, 2026 12:21	16,985	584,527,804	553,516,000	6,993,000	2,297,856
131	Mar 19, 2026 13:20	17,000	586,919,577	556,990,000	3,999,000	2,387,968
132	Mar 20, 2026 17:23	17,023	587,185,434	556,757,000	4,997,000	2,400,256
133	Mar 19, 2026 01:09	17,027	587,239,283	556,906,000	4,999,000	2,457,600
134	Mar 19, 2026 13:09	17,031	587,542,175	555,028,000	7,000,000	2,441,216
135	Mar 19, 2026 10:54	17,041	592,114,706	556,352,000	5,993,000	2,273,280
136	Mar 19, 2026 13:06	17,050	591,170,716	555,671,000	6,995,000	2,342,912
137	Mar 25, 2026 01:03	17,057	591,625,543	554,882,000	7,998,000	2,400,256
138	Mar 19, 2026 13:13	17,073	594,616,650	559,421,000	3,995,000	2,482,176
139	Mar 25, 2026 05:09	17,086	587,442,969	558,826,000	4,998,000	2,527,232
140	Mar 20, 2026 13:32	17,145	592,053,298	559,793,000	5,997,000	2,301,952
141	Mar 19, 2026 10:59	17,460	608,059,028	570,164,000	6,001,000	2,437,120
142	Mar 20, 2026 13:01	17,970	625,068,535	586,996,000	5,999,000	2,273,280
143	Mar 19, 2026 19:57	18,026	624,023,368	588,851,000	5,998,000	2,445,312
144	Mar 19, 2026 10:59	18,544	639,552,771	604,957,000	6,999,000	2,519,040
145	Mar 21, 2026 02:14	18,784	649,544,582	612,905,000	6,976,000	2,281,472
146	Mar 21, 2026 02:14	19,786	699,222,150	645,953,000	6,999,000	2,273,280
147	Mar 20, 2026 17:23	19,824	696,585,012	645,259,000	8,920,000	2,273,280

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