Unique strings v2 Sergey Svistunov

Same problem as Unique strings, but with 3 CPUs available and scoring based on wall time instead of CPU time.

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
Back to listMay 5, 2026 07:50Victor MerckléVictor MerckléError
Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 5, 2026 07:50021,179,04502,379,0002,519,040expected "1023445 ", got "0 "stderr
2May 5, 2026 07:50020,270,78502,351,0002,531,328expected "1021140 ", got "0 "stderr
3May 5, 2026 07:50020,075,69202,333,0002,514,944expected "1022386 ", got "0 "stderr