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 listAug 17, 2026 13:22Victor MerckléVictor MerckléError
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Aug 17, 2026 13:28075,481,144187,321,0001,272,0002,170,880expected "1020576 ", got "1020575 "stderr
2Aug 17, 2026 13:282,45873,743,642186,360,0001,256,0002,170,880stderr
3Aug 17, 2026 13:282,56376,898,980187,828,0001,014,0002,170,880stderr