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Pragy Agarwal
2019-11-29 18:29:46 +05:30
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Recursion and Backtracking/2.md
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@@ -125,9 +125,10 @@ Sorted Permutation Rank (Optional)
> Given S, find the rank of the string amongst its permutations sorted lexicographically. > Given S, find the rank of the string amongst its permutations sorted lexicographically.
Assume that no characters are repeated. Assume that no characters are repeated.
```python ```
Input : 'acb' Input : 'acb'
Output : 2 Output : 2
Explanation:
The order permutations with letters 'a', 'c', and 'b' : The order permutations with letters 'a', 'c', and 'b' :
abc abc
acb acb