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 07:41Victor MerckléVictor MerckléError
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Sep 1, 2026 07:410295,865,418852,494,0001,028,0002,170,880expected "1024662 ", got "1024661 "stderr
2Sep 1, 2026 07:419,767293,033,928844,252,0001,031,0002,170,880stderr
3Sep 1, 2026 07:419,841295,248,026852,348,0002,015,0002,170,880stderr