Solutions to Google’s Billboard puzzle
Solutions to Google’s Billboard puzzle
1
en = N[[ExponentialE], 1000];
Table[x = (Floor[en(10^k)10^10] – Floor[en(10^k)]10^10);
If[PrimeQ[x], {k, x}, {k, 0}], {k, 0, 100}]
2
dnslog 216.239.0.0/16 | grep ‘^[1-9][0-9]*.com.A’
3
-m
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