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 22, 2026 02:01

olliecrowScore: 11,243Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 22, 2026 02:18	11,132	393,430,136	350,354,000	17,017,000	2,273,280
2	Mar 22, 2026 02:09	11,140	387,970,147	349,637,000	17,981,000	2,453,504
3	Mar 22, 2026 02:22	11,145	388,925,151	346,808,000	20,988,000	2,494,464
4	Mar 22, 2026 02:18	11,159	390,419,887	351,226,000	17,010,000	2,523,136
5	Mar 22, 2026 01:52	11,174	392,518,721	352,750,000	15,988,000	2,277,376
6	Mar 22, 2026 02:09	11,178	388,848,452	350,881,000	17,993,000	2,416,640
7	Mar 22, 2026 01:52	11,180	391,040,351	352,954,000	15,997,000	2,420,736
8	Mar 22, 2026 02:18	11,183	395,396,358	352,039,000	17,001,000	2,408,448
9	Mar 22, 2026 02:33	11,185	390,228,843	354,098,000	15,004,000	2,326,528
10	Mar 22, 2026 02:18	11,192	398,002,971	351,312,000	18,016,000	2,420,736
11	Mar 22, 2026 01:20	11,193	395,244,539	350,341,000	19,018,000	2,469,888
12	Mar 22, 2026 01:52	11,195	392,580,454	352,475,000	16,974,000	2,412,544
13	Mar 22, 2026 01:13	11,198	391,201,783	352,559,000	16,978,000	2,482,176
14	Mar 22, 2026 02:18	11,198	392,026,830	354,569,000	14,981,000	2,338,816
15	Mar 22, 2026 01:30	11,199	391,903,185	357,594,000	11,986,000	2,273,280
16	Mar 22, 2026 02:22	11,199	393,329,124	351,580,000	17,978,000	2,486,272
17	Mar 22, 2026 02:09	11,200	394,426,631	354,618,000	14,983,000	2,416,640
18	Mar 22, 2026 01:20	11,200	388,290,530	355,613,000	13,984,000	2,420,736
19	Mar 22, 2026 01:20	11,202	390,782,380	352,693,000	16,985,000	2,420,736
20	Mar 22, 2026 02:18	11,203	394,056,554	353,726,000	15,987,000	2,420,736
21	Mar 22, 2026 02:01	11,208	397,120,611	358,860,000	10,995,000	2,416,640
22	Mar 22, 2026 01:30	11,208	394,616,622	352,881,000	16,994,000	2,326,528
23	Mar 22, 2026 01:28	11,210	390,483,071	355,919,000	13,996,000	2,387,968
24	Mar 22, 2026 01:20	11,211	392,404,486	355,980,000	13,999,000	2,420,736
25	Mar 22, 2026 01:13	11,212	401,990,095	354,007,000	16,000,000	2,428,928
26	Mar 22, 2026 01:13	11,213	388,552,663	356,044,000	14,001,000	2,420,736
27	Mar 22, 2026 02:22	11,214	390,818,686	350,069,000	20,003,000	2,355,200
28	Mar 22, 2026 02:09	11,216	390,112,498	352,125,000	18,006,000	2,424,832
29	Mar 22, 2026 01:13	11,218	394,346,693	355,186,000	15,007,000	2,416,640
30	Mar 22, 2026 01:52	11,218	389,546,268	355,195,000	15,008,000	2,383,872
31	Mar 22, 2026 01:37	11,219	389,880,538	355,221,000	15,009,000	2,375,680
32	Mar 22, 2026 01:30	11,223	395,862,638	352,401,000	17,969,000	2,416,640
33	Mar 22, 2026 01:30	11,224	401,405,323	356,367,000	14,014,000	2,412,544
34	Mar 22, 2026 01:20	11,225	399,140,094	354,409,000	16,018,000	2,412,544
35	Mar 22, 2026 02:09	11,228	396,928,007	357,542,000	12,983,000	2,273,280
36	Mar 22, 2026 01:13	11,229	402,479,799	354,588,000	15,981,000	2,482,176
37	Mar 22, 2026 01:20	11,230	396,588,538	349,599,000	20,975,000	2,420,736
38	Mar 22, 2026 02:33	11,231	391,786,653	353,628,000	16,982,000	2,473,984
39	Mar 22, 2026 01:46	11,231	396,936,630	355,633,000	14,984,000	2,408,448
40	Mar 22, 2026 01:20	11,232	392,192,480	354,671,000	15,985,000	2,416,640
41	Mar 22, 2026 02:09	11,234	394,245,287	356,729,000	13,989,000	2,424,832
42	Mar 22, 2026 02:22	11,234	393,062,351	357,730,000	12,990,000	2,424,832
43	Mar 22, 2026 01:37	11,236	393,378,961	357,788,000	12,992,000	2,363,392
44	Mar 22, 2026 01:52	11,239	394,671,971	354,905,000	15,995,000	2,416,640
45	Mar 22, 2026 02:09	11,241	399,388,024	351,942,000	18,996,000	2,441,216
46	Mar 22, 2026 02:22	11,243	398,648,916	353,026,000	18,001,000	2,465,792
47	Mar 22, 2026 02:22	11,246	395,694,861	358,111,000	13,004,000	2,482,176
48	Mar 22, 2026 01:49	11,248	391,169,578	356,174,000	15,007,000	2,437,120
49	Mar 22, 2026 01:13	11,248	392,013,710	358,186,000	13,006,000	2,527,232
50	Mar 22, 2026 02:09	11,249	390,115,621	349,200,000	22,012,000	2,416,640
51	Mar 22, 2026 01:46	11,250	394,912,535	356,256,000	15,010,000	2,416,640
52	Mar 22, 2026 01:37	11,253	396,283,053	359,331,000	12,011,000	2,273,280
53	Mar 22, 2026 01:27	11,258	398,973,969	351,536,000	19,973,000	2,367,488
54	Mar 22, 2026 01:37	11,260	393,600,237	354,613,000	16,981,000	2,478,080
55	Mar 22, 2026 01:13	11,260	396,563,516	353,586,000	17,978,000	2,416,640
56	Mar 22, 2026 02:22	11,261	397,625,390	357,619,000	13,985,000	2,334,720
57	Mar 22, 2026 01:46	11,262	395,547,461	361,646,000	9,990,000	2,273,280
58	Mar 22, 2026 01:28	11,265	399,244,869	353,747,000	17,987,000	2,416,640
59	Mar 22, 2026 01:37	11,266	390,762,927	358,771,000	12,991,000	2,416,640
60	Mar 22, 2026 01:30	11,268	390,958,720	356,866,000	14,994,000	2,273,280
61	Mar 22, 2026 01:52	11,270	394,162,049	359,928,000	11,997,000	2,285,568
62	Mar 22, 2026 01:13	11,272	395,155,845	357,973,000	13,998,000	2,273,280
63	Mar 22, 2026 02:18	11,274	399,194,662	357,033,000	15,001,000	2,494,464
64	Mar 22, 2026 01:30	11,275	397,514,316	358,066,000	14,002,000	2,273,280
65	Mar 22, 2026 02:22	11,276	396,201,205	356,093,000	16,004,000	2,416,640
66	Mar 22, 2026 01:52	11,278	393,572,448	360,172,000	12,005,000	2,273,280
67	Mar 22, 2026 01:37	11,280	396,709,599	356,233,000	16,010,000	2,297,856
68	Mar 22, 2026 02:33	11,287	399,150,161	355,494,000	16,975,000	2,424,832
69	Mar 22, 2026 02:18	11,288	392,161,261	357,533,000	14,980,000	2,396,160
70	Mar 22, 2026 02:18	11,289	399,949,900	353,549,000	18,975,000	2,465,792
71	Mar 22, 2026 01:20	11,293	394,006,757	356,676,000	15,985,000	2,412,544
72	Mar 22, 2026 01:28	11,323	394,222,730	358,672,000	14,986,000	2,416,640
73	Mar 22, 2026 02:09	11,330	395,834,323	358,908,000	14,996,000	2,412,544
74	Mar 22, 2026 01:30	11,340	395,142,432	362,209,000	12,006,000	2,416,640
75	Mar 22, 2026 01:49	11,350	395,857,435	360,562,000	13,983,000	2,486,272
76	Mar 22, 2026 01:37	11,358	396,242,722	358,819,000	15,991,000	2,416,640
77	Mar 22, 2026 01:49	11,360	404,041,970	355,900,000	18,994,000	2,494,464
78	Mar 22, 2026 02:22	11,366	396,452,184	357,072,000	18,003,000	2,273,280
79	Mar 22, 2026 01:37	11,402	406,222,981	363,248,000	13,008,000	2,306,048
80	Mar 22, 2026 01:52	11,421	398,790,708	361,890,000	14,995,000	2,424,832
81	Mar 22, 2026 01:52	11,446	401,015,914	360,738,000	16,987,000	2,273,280
82	Mar 22, 2026 01:27	11,518	399,605,505	364,084,000	16,003,000	2,355,200
83	Mar 22, 2026 01:27	11,630	402,676,980	366,798,000	16,990,000	2,457,600
84	Mar 22, 2026 01:30	12,047	417,184,051	378,586,000	18,979,000	2,412,544
85	Mar 22, 2026 02:01	12,213	425,919,715	385,034,000	18,001,000	2,273,280
86	Mar 22, 2026 01:13	12,214	433,886,812	386,069,000	17,003,000	2,273,280
87	Mar 22, 2026 01:37	12,276	430,888,576	390,116,000	15,004,000	2,416,640
88	Mar 22, 2026 01:20	12,353	434,546,458	391,673,000	15,986,000	2,424,832
89	Mar 22, 2026 01:30	12,786	449,494,525	407,930,000	13,997,000	2,473,984
90	Mar 22, 2026 02:01	13,656	486,912,552	430,883,000	19,765,000	2,269,184

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