Placement Papers - Microsoft

Microsoft Corporation
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These are some of the questions asked in Microsoft Hyd Interview
       1)reverse the given n-bit unsigned integer?
             I mean if 1011 is the i/p then o/p=1101
       Time copmleity should be as small as possible...
 2)Given 10 points, Asked me to arrange those 10 points so that I have to draw five straight lines and each straight line should       have 4-points
       3) write Open Hashing code with doubly linked list
4)To see my coding style asked me to write linked list reversal       program
       5)Asked About My Project...(about 1hour)
       6)Given an Array of integers as the input asked me to find out smallest subset of the array such that the sum of the all the       elements of that subset array should be all the subsets...
       7)To Give design aspects of writting a software for a car which       will be driven by the blind people.
       8)Given a character array which has one word asked me to reverse       that word.
       9)Given a character array which has "" no of words,       asked me to reverse them
       10)Asked me to write all the test cases for the above.
       11)A Desert has 1000KM legnth, A Camel and 3000 bananas are there       at one end problem is you have to get as many bananas as possible to the other       end by that camel. camel constraints...
       1) It will eat 1 banana for each kilometer even if it is not carrying any bananas(i.e it needs on banana       for just to walk 1km)
       2) It cannot carry more than 1000 bananas.
       12) Given a two dimensional array of size mn, Problem is to take       each and every cell, as there are 8 directions to travel from that cell       one right, two left, three up, four down, other four are through       four diagnols. ecept at the boundaries(<> print all ths       words.
             13) write all the different test cases for the above....
             14) One function which was written by somebody else? that function       spec says the following.
       Takes a two dimensional array as the input which has "N"       no of words and "M" no of non-words... that function returns the no of words.
       Given two cases of inputs...
       1) array has 32words and 32 non words]
       2) array has 30 wrods and 34 non words out of these two which case is better and why?
             15) Given the Robo which has PC interface via the following 3       functions
             1) bool is_ther_any_step(bool);
       Sees any step above if the argument is true and returns true
       If step eists above ti it.
       Sees any step below to it if the argument is false and returns appropriately..
             2) goto_net_step(bool )
             Goes to net upper step
 if the argument is true if the argument is true and no above step then robo gets damaged      
       Goes to down step if the argument is false...
             3) Clean_floor()...
       Cleans that step by pouring water,cleaning and drying..
       Write the program to clean a stair case in any building...