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Putnam
1986 Putnam
A2
Putnam 1986 A2
Putnam 1986 A2
Source:
August 5, 2019
Putnam
Problem Statement
What is the units (i.e., rightmost) digit of
⌊
1
0
20000
1
0
100
+
3
⌋
?
\left\lfloor \frac{10^{20000}}{10^{100}+3}\right\rfloor ?
⌊
1
0
100
+
3
1
0
20000
⌋
?
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