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Interview Question for Interns


Country: United States
Interview Type: Phone Interview
More Questions from This Interview



Comment hidden because of low score. Click to expand.
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of 0 vote

You mean like a multi-map . I am not understanding the question here.

- David Billa February 01, 2013 | Flag Reply
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of 0 vote

do you want to retrieve all the keys that are mapped to same value in a hashmap?

get the EntrySet of the hashmap, and retrieve the <Entry>entries in the set with the given value, which are nothing but the pairs having the same value.

- goutham467 February 01, 2013 | Flag Reply
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0
of 0 vote

Sorry....my bad..mapping here means ... pair should get add to the given value....

btw I gave 2 impl :

1. Sorting the array like the classic 2Sum problem.
2. Storing the arraying a arraylist and then checking for each element if (arrayList.comtains(givenSum - A[i]) && arraylist.getIndex(givenSum - A[i]) != i)...then its a pair we want....

It was asked in Amazon

- A February 01, 2013 | Flag Reply


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