NumberGameIII
You’re given an array S of positive integers.
Return number x from S, such that each number of S is a multiple of x, or -1 if such x doesn’t exist.
Examples:
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For
s=[3,6,3,15,9]the output should beNumberGameIII(s)=3.
Each number ofSis a multiple of3, and3belongs toS, so the answer is3. -
For s=[4,7] the output should be NumberGameIII(s)=-1.7is not a multiple of4.4is not a multiple of7. So the answer is-1.
Input/Output:
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[execution time limit] 0.5 seconds
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[input] array.integer S
An array of positive integers.
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[output] integer
xif suchxexists,-1otherwise.
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