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given a linked list which has two types of pointers, a normal next pointer which points to next element in the list and random pointer which points to random element in the list. Question was to clone this linked list
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Software Development Engineer In Test (SDET)

Interviewed at Microsoft

4★
Sep 26, 2012

given a linked list which has two types of pointers, a normal next pointer which points to next element in the list and random pointer which points to random element in the list. Question was to clone this linked list

Write the algorithm for this: If you have a string aaabbc the output should be a3b2c1, for the string aabcc the output should be a2b1c2 and so on. You should not allocate memory for a new string and you can do this only by reading each character once. Ps: if the result is bigger than the original string (like abc -> a1b1c1) just return null or some message that makes that clear.
avatar

Software Development Engineer In Test (SDET)

Interviewed at Microsoft

4★
Oct 28, 2013

Write the algorithm for this: If you have a string aaabbc the output should be a3b2c1, for the string aabcc the output should be a2b1c2 and so on. You should not allocate memory for a new string and you can do this only by reading each character once. Ps: if the result is bigger than the original string (like abc -> a1b1c1) just return null or some message that makes that clear.

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