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Moscow Mathematical Olympiad
1954 Moscow Mathematical Olympiad
268
MMO 268 Moscow MO 1954 1234567891011... 9899100 delete 100 digits
MMO 268 Moscow MO 1954 1234567891011... 9899100 delete 100 digits
Source:
August 13, 2019
maximum
Digits
number theory
Problem Statement
Delete
100
100
100
digits from the number
1234567891011...9899100
1234567891011... 9899100
1234567891011...9899100
so that the remaining number were as big as possible.
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