update links

Author: mahendra-rk

README.md

@@ -8,8 +8,79 @@ You can also refer to my [Java Notes](http://blog.rampatra.com/category/java) fo
 
 ## Contents
 
+<div align="right">
+    <b><a href="https://github.com/mahendra-rk/interview">↥ back to Interview</a></b>
+</div>
+
 1. [Basic Practice](/src/main/java/com/rampatra/):  
     1. [Arrays](/src/main/java/com/rampatra/arrays)
+       - [ArrangeNosToFormBiggestNo](/src/main/java/com/rampatra/arrays/ArrangeNosToFormBiggestNo.java)
+       - [BooleanMatrix](/src/main/java/com/rampatra/arrays/BooleanMatrix.java)
+       - [CelebrityProblem](/src/main/java/com/rampatra/arrays/CelebrityProblem.java)
+       - [ConsecutiveElements](/src/main/java/com/rampatra/arrays/ConsecutiveElements.java)
+       - [CountDivisors](/src/main/java/com/rampatra/arrays/CountDivisors.java)
+       - [CountSmallerElementsOnRHS](/src/main/java/com/rampatra/arrays/CountSmallerElementsOnRHS.java)
+       - [DistinctPairs](/src/main/java/com/rampatra/arrays/DistinctPairs.java)
+       - [DuplicatesInArray](/src/main/java/com/rampatra/arrays/DuplicatesInArray.java)
+       - [DuplicatesInArrayWithinKDistance](/src/main/java/com/rampatra/arrays/DuplicatesInArrayWithinKDistance.java)
+       - [EqualProbabilityRandomNoGenerator](/src/main/java/com/rampatra/arrays/EqualProbabilityRandomNoGenerator.java)
+       - [EquilibriumIndex](/src/main/java/com/rampatra/arrays/EquilibriumIndex.java)
+       - [FixedPoint](/src/main/java/com/rampatra/arrays/FixedPoint.java)
+       - [FlattenArray](/src/main/java/com/rampatra/arrays/FlattenArray.java)
+       - [IntersectionAndUnionOf2SortedArrays](/src/main/java/com/rampatra/arrays/IntersectionAndUnionOf2SortedArrays.java)
+       - [InversionsInArray](/src/main/java/com/rampatra/arrays/InversionsInArray.java)
+       - [KLargestElements](/src/main/java/com/rampatra/arrays/KLargestElements.java)
+       - [KthLargestElement](/src/main/java/com/rampatra/arrays/KthLargestElement.java)
+       - [LargestProductContiguousSubArray](/src/main/java/com/rampatra/arrays/LargestProductContiguousSubArray.java)
+       - [LargestSumContiguousSubArray](/src/main/java/com/rampatra/arrays/LargestSumContiguousSubArray.java)
+       - [LeadersInArray](/src/main/java/com/rampatra/arrays/LeadersInArray.java)
+       - [LongestBitonicSubArray](/src/main/java/com/rampatra/arrays/LongestBitonicSubArray.java)
+       - [LongestConsecutiveSubsequence](/src/main/java/com/rampatra/arrays/LongestConsecutiveSubsequence.java)
+       - [MajorityElement](/src/main/java/com/rampatra/arrays/MajorityElement.java)
+       - [MajorityElementInSortedArray](/src/main/java/com/rampatra/arrays/MajorityElementInSortedArray.java)
+       - [MatrixInSpiral](/src/main/java/com/rampatra/arrays/MatrixInSpiral.java)
+       - [MaxDiffWithLargerElementAfterSmallerElement](/src/main/java/com/rampatra/arrays/MaxDiffWithLargerElementAfterSmallerElement.java)
+       - [MaxInAllSubArrays](/src/main/java/com/rampatra/arrays/MaxInAllSubArrays.java)
+       - [MaxIndexDiff](/src/main/java/com/rampatra/arrays/MaxIndexDiff.java)
+       - [MaxMinWithMinComparisons](/src/main/java/com/rampatra/arrays/MaxMinWithMinComparisons.java)
+       - [MaxSpan](/src/main/java/com/rampatra/arrays/MaxSpan.java)
+       - [MaximumSizeSquareSubMatrix](/src/main/java/com/rampatra/arrays/MaximumSizeSquareSubMatrix.java)
+       - [MaximumSumNonAdjacentSubSequence](/src/main/java/com/rampatra/arrays/MaximumSumNonAdjacentSubSequence.java)
+       - [MedianOfStream](/src/main/java/com/rampatra/arrays/MedianOfStream.java)
+       - [MedianOfTwoSortedArrays](/src/main/java/com/rampatra/arrays/MedianOfTwoSortedArrays.java)
+       - [MergeArrayOfNIntoArrayOfMPlusN](/src/main/java/com/rampatra/arrays/MergeArrayOfNIntoArrayOfMPlusN.java)
+       - [MinimumDistanceBetweenTwoNos](/src/main/java/com/rampatra/arrays/MinimumDistanceBetweenTwoNos.java)
+       - [MissingAndRepeatingElements](/src/main/java/com/rampatra/arrays/MissingAndRepeatingElements.java)
+       - [MissingNumber](/src/main/java/com/rampatra/arrays/MissingNumber.java)
+       - [NextGreaterElement](/src/main/java/com/rampatra/arrays/NextGreaterElement.java)
+       - [NextLargerNumber](/src/main/java/com/rampatra/arrays/NextLargerNumber.java)
+       - [NthSmallestNumber](/src/main/java/com/rampatra/arrays/NthSmallestNumber.java)
+       - [NumberOccurringOddTimes](/src/main/java/com/rampatra/arrays/NumberOccurringOddTimes.java)
+       - [OccurrencesInSortedArray](/src/main/java/com/rampatra/arrays/OccurrencesInSortedArray.java)
+       - [PairDiff](/src/main/java/com/rampatra/arrays/PairDiff.java)
+       - [PairSum](/src/main/java/com/rampatra/arrays/PairSum.java)
+       - [PivotedBinarySearch](/src/main/java/com/rampatra/arrays/PivotedBinarySearch.java)
+       - [ProductArrayPuzzle](/src/main/java/com/rampatra/arrays/ProductArrayPuzzle.java)
+       - [ReservoirSampling](/src/main/java/com/rampatra/arrays/ReservoirSampling.java)
+       - [ReverseArray](/src/main/java/com/rampatra/arrays/ReverseArray.java)
+       - [RotateArray](/src/main/java/com/rampatra/arrays/RotateArray.java)
+       - [RotateMatrixBy90Degrees](/src/main/java/com/rampatra/arrays/RotateMatrixBy90Degrees.java)
+       - [RotatedIndex](/src/main/java/com/rampatra/arrays/RotatedIndex.java)
+       - [SearchInSorted2DArray](/src/main/java/com/rampatra/arrays/SearchInSorted2DArray.java)
+       - [Segregate0s1sAnd2s](/src/main/java/com/rampatra/arrays/Segregate0s1sAnd2s.java)
+       - [Segregate0sAnd1s](/src/main/java/com/rampatra/arrays/Segregate0sAnd1s.java)
+       - [SegregateEvenAndOddNos](/src/main/java/com/rampatra/arrays/SegregateEvenAndOddNos.java)
+       - [SmallestAndSecondSmallest](/src/main/java/com/rampatra/arrays/SmallestAndSecondSmallest.java)
+       - [SmallestMissingNumber](/src/main/java/com/rampatra/arrays/SmallestMissingNumber.java)
+       - [SortedSubSequence](/src/main/java/com/rampatra/arrays/SortedSubSequence.java)
+       - [SubArrayOfSum](/src/main/java/com/rampatra/arrays/SubArrayOfSum.java)
+       - [SubsetOfArray](/src/main/java/com/rampatra/arrays/SubsetOfArray.java)
+       - [SymmetricDifference](/src/main/java/com/rampatra/arrays/SymmetricDifference.java)
+       - [TripletOfSum](/src/main/java/com/rampatra/arrays/TripletOfSum.java)
+       - [TwoElementsSumClosestToZero](/src/main/java/com/rampatra/arrays/TwoElementsSumClosestToZero.java)
+       - [TwoRepeatingElements](/src/main/java/com/rampatra/arrays/TwoRepeatingElements.java)
+       - [TwoStacksInOneArray](/src/main/java/com/rampatra/arrays/TwoStacksInOneArray.java)
+       - [UnsortedSubArray](/src/main/java/com/rampatra/arrays/UnsortedSubArray.java)
     2. [Backtracking](/src/main/java/com/rampatra/backtracking)
     3. [Bits](/src/main/java/com/rampatra/bits)
     4. [Blockchain Demo](/src/main/java/com/rampatra/blockchain)