Compute the smallest positive integer that does not appear in any problem statement on any round at HMMT November 2023.
A number or a short expression. Spacing and $ signs are ignored.
Solution
The number 22 does not appear on any round. On the other hand, the numbers 1 through 21 appear as follows. Number123456789101112131415161718192021RoundGutsGutsGutsGutsGutsGutsGutsGutsGutsGutsGeneralGutsThemeGutsGutsGutsGutsGutsGutsGutsTeamProblem211317131421013281033281917302023337
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Source: Omni-MATH,
licensed Apache-2.0.
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