added USAMO 2026 P1 solution#213
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dwrensha
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Jun 3, 2026
| ⌊nx⌋ - ∑_{k=1}^n ⌊kx⌋/k | ||
| maximal, and what is the maximal value that this expression can take? | ||
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| Mathematical solution sketch by Evan Chen: https://web.evanchen.cc/twitch/Ep177-USAMO-2026-1-Solution.pdf |
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Please put this comment about the solution and any of the solution-specific declarations into a snip begin ... snip end block, as described in https://github.com/dwrensha/compfiles#extracting-problems
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