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 listSep 1, 2026 10:50Victor MerckléVictor MerckléError
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Sep 1, 2026 10:500263,856,891756,661,0002,024,0002,170,880expected "1021293 ", got "1021292 "stderr
2Sep 1, 2026 10:508,748262,459,816753,752,0001,035,0002,170,880stderr
3Sep 1, 2026 10:508,853265,598,329760,317,0001,042,0002,170,880stderr