A file contains a sequence of charaters. Each character can be repeated any number of times in a file. Find a smallest subsequence which contains all the characters in the file atleast once.
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- Find minimum steps required
- Some java fun !
- some more stupid array questions
- a different doubly linked list
- largest common structurally similar sub tree
- Find two non repeated numbers
- simple array qusetions
- find nth max element in BST(Binary search tree)
- Find nth fibonacci number
- Randomized Shuffling Problem
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- Find possible parenthesizing
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