Help me. thanks.
Give a sequence of numbers a1,a2...an. (n<=2*10^5, 0<a[i]<=10^6). Find the maximum of (a[i] mod a[j]) a[i]>=a[j], (1<=i,j<=n).
For example
input
3 2 4 5
output 1 ( 5 mod 4)
intput
3 15 22 44
output
14 ( 44 mod 15 ).
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ALGORITHM
Help me. thanks.
Give a sequence of numbers a1,a2...an. (n<=2*10^5, 0<a[i]<=10^6). Find the maximum of (a[i] mod a[j]) a[i]>=a[j], (1<=i,j<=n).
For example
input
3 2 4 5
output 1 ( 5 mod 4)
intput
3 15 22 44
output
14 ( 44 mod 15 ).
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