fix links

Author: PallavJain01

README.md

@@ -5,32 +5,32 @@ These questions test your ability to apply various techniques such as hashing, s
 ## Foundation Questions ❤️
 | Array Questions | Practice Link | Code Solutions | Video Solutions | HINT
 -|-|-|-|-
-Wave Array| [Solve](https://practice.geeksforgeeks.org/problems/wave-array-1587115621/1?utm_source=geeksforgeeks) |
-Subarray with given sum| [Solve](https://Solve.com/problems/subarray-sum-equals-k/) |
-Missing number in array| [Solve](https://Solve.com/problems/missing-number/) |
-Rotate Array | [Solve](https://Solve.com/problems/rotate-array/) | | [Video](https://youtu.be/0OTPqrEd74g) 
-Find duplicates in an array| [Solve](https://Solve.com/problems/find-all-duplicates-in-an-array/) | 
-Remove all occurrences of Given Number | [Solve](https://Solve.com/problems/remove-element/)
-Remove Duplicates from Sorted Array | [Solve](https://Solve.com/problems/remove-duplicates-from-sorted-array/)
-Move all zeroes to end of array| [Solve](https://Solve.com/problems/move-zeroes/)
-Sort an array of 0s, 1s and 2s | [Solve](https://Solve.com/problems/sort-colors/submissions/) | 
-Intersection of two arrays| [Solve](https://Solve.com/problems/intersection-of-two-arrays/)
-Reverse an array| [Solve](https://Solve.com/problems/reverse-string/)
+Wave Array| [Leetcode](https://practice.geeksforgeeks.org/problems/wave-array-1587115621/1?utm_source=geeksforgeeks) |
+Subarray with given sum| [Leetcode](https://Leetcode.com/problems/subarray-sum-equals-k/) |
+Missing number in array| [Leetcode](https://Leetcode.com/problems/missing-number/) |
+Rotate Array | [Leetcode](https://Leetcode.com/problems/rotate-array/) | | [Video](https://youtu.be/0OTPqrEd74g) 
+Find duplicates in an array| [Leetcode](https://Leetcode.com/problems/find-all-duplicates-in-an-array/) | 
+Remove all occurrences of Given Number | [Leetcode](https://Leetcode.com/problems/remove-element/)
+Remove Duplicates from Sorted Array | [Leetcode](https://Leetcode.com/problems/remove-duplicates-from-sorted-array/)
+Move all zeroes to end of array| [Leetcode](https://Leetcode.com/problems/move-zeroes/)
+Sort an array of 0s, 1s and 2s | [Leetcode](https://Leetcode.com/problems/sort-colors/submissions/) | 
+Intersection of two arrays| [Leetcode](https://Leetcode.com/problems/intersection-of-two-arrays/)
+Reverse an array| [Leetcode](https://Leetcode.com/problems/reverse-string/)
 Swapping Elements in an array|
-Remove Min and Max in an Array| [Solve](https://leetcode.com/problems/removing-minimum-and-maximum-from-array/)
+Remove Min and Max in an Array| [Leetcode](https://leetcode.com/problems/removing-minimum-and-maximum-from-array/)
 
 ## Medium Questions ❤️‍🔥
 | Array Questions | Practice Link | Code Solutions | Video Solutions | HINT
 | ------------- | :-------------: | :-------------: | :---------: |:---------: |
-Valid Moutain Array | [Solve](https://Solve.com/problems/valid-mountain-array/) | [Code](#) | [Video](https://youtu.be/tVDTjm_fYbQ) | 2 pointers
-Majority Element | [Solve](https://Solve.com/problems/majority-element/) | [Code](#) | [Video](https://www.youtube.com/watch?v=cLE1J34pYUo) | Sorting / or Boyer-Moore Voting Algorithm
-Kth largest/smallest element in an array | [Solve](https://Solve.com/problems/kth-largest-element-in-an-array/) | [Code](https://github.com/CodingWallah/Arrays-DSA-Coding-Questions/blob/main/kth-largest-smallest.md) | [Video](#) | soritng / priority q
-Trapping Rain Water|[Solve](https://Solve.com/problems/trapping-rain-water/)
-Coin Change|[Solve](https://Solve.com/problems/coin-change/)
-Stock span problem|[Solve](https://Solve.com/problems/online-stock-span/)
-Merge k Sorted Arrays|[Solve](https://Solve.com/problems/merge-k-sorted-lists/)
-Next Permutation |[Solve](https://Solve.com/problems/next-permutation) | [Code](#) | [Video](#) | 2 poniters 
-Kadane's Algorithm|[Solve](https://Solve.com/problems/maximum-subarray)
+Valid Moutain Array | [Leetcode](https://Leetcode.com/problems/valid-mountain-array/) | [Code](#) | [Video](https://youtu.be/tVDTjm_fYbQ) | 2 pointers
+Majority Element | [Leetcode](https://Leetcode.com/problems/majority-element/) | [Code](#) | [Video](https://www.youtube.com/watch?v=cLE1J34pYUo) | Sorting / or Boyer-Moore Voting Algorithm
+Kth largest/smallest element in an array | [Leetcode](https://Leetcode.com/problems/kth-largest-element-in-an-array/) | [Code](https://github.com/CodingWallah/Arrays-DSA-Coding-Questions/blob/main/kth-largest-smallest.md) | [Video](#) | soritng / priority q
+Trapping Rain Water|[Leetcode](https://Leetcode.com/problems/trapping-rain-water/)
+Coin Change|[Leetcode](https://Leetcode.com/problems/coin-change/)
+Stock span problem|[Leetcode](https://Leetcode.com/problems/online-stock-span/)
+Merge k Sorted Arrays|[Leetcode](https://Leetcode.com/problems/merge-k-sorted-lists/)
+Next Permutation |[Leetcode](https://Leetcode.com/problems/next-permutation) | [Code](#) | [Video](#) | 2 poniters 
+Kadane's Algorithm|[Leetcode](https://Leetcode.com/problems/maximum-subarray)