Ans : Total 20 green-eyed people were there in the village.
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Hi,
You can use Recursion logic of Catalan Numbers.
M. Vamsee
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Hi,
Can anybody help me in solving the following problem:
Convert a binary search tree in to a doubly linked list in level order
without using extra space :
BST
1
/ \
@Ashim : Yes
@Shiv Shankar : The Question says : *the students arrange themselves in
random order in the queue.
*69* *is possible only when the students arrange
themselves in decreasing order of their rank.
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Does anybody know the solution for the following problem :
*A headmaster of a primary school performs an activity with the students of
a class to encourage them to perform better in academics. He asks them to
stand in queue, starts calling the students out one by one and asks them
their rank in