Programming Interview Question

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Q1. Write a program to remove repeated word from string.(don't take extra memory).

Example:
Input- "hello hi is hello this";

Output- "hello hi is this"



Q2. arr1 {1,3,4,5,8}
    arr2 {2,6,7,9,11}
    arr3 {10,12,13,14}

Find the middle point after merging these array...if there are two middle point find both. (Don’t take extra space).



Q3. Print array like..

1 2 3 4 5
2 1 2 3 4
3 2 1 2 3
4 3 2 1 2

5 4 3 2 1

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