Amazon 28 August 2013 placement online test and interview

Amazon placement test

This is the first round question from amazon campus placement (August 2013)

Online Round Coding Question:

Q1. Given a float number 7.64, convert it into the string WITHOUT using any inbuilt function/library.

for eg:

input

float no.: 7.64

output

string: 7.64

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Q2. Given the inorder and preorder traversals of a Binary Tree, output the postorder traversal of it.

for eg:

input:

Inorder: 7, 8, 4, 1, 6, 2, 5

Preorder: 1, 4, 7, 8, 2, 6, 4

output:

Postorder: 8, 7, 4, 6, 5, 2, 1 Another 20 multiple choice questions were there from "interviewstreet" as we have discussed it in our post from where amazon conduct there technical placement test And we suggest you to go through the syllabus of amazon which is official mail from amazon Syllabus for amazon placement test You can practice MCQ's from "geeksquiz". It is really a good blog. After this 28 students we shortlisted and they were called for personal technical interview that is round 2

Want to know from where amazon prepare their technical questions?

here is the round 2 of amazon placement August 2013 

Amazon placement interview Round 2 :-

Candidate no - 1 , round 2 amazon placment interview Candidate no - 2 , round 2 amazon placment interview Candidate no - 3 , round 2 amazon placment interview Candidate no - 4 , round 2 amazon placment interview All the best for your placement. Cheers !!