Set 106Question 57
Shanto's GCD-Optimal Subsequence Planner
ExtremeWritten in CMust finish in 5 seconds
Shanto must precompute, for every possible team SIZE at a delivery service, the maximum GCD achievable among rating sequences forming an increasing subsequence, all in one efficient pass.
What your program reads
Line1: N. Line2: N integers. Line3: Q. Next Q lines: K.
What your program prints
Max GCD for each K, or -1.
Limits
1 ≤ N,Q ≤ 10^5
Example input
5 4 8 6 12 3 2 2 4
Expected output
4 -1
main.c
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