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Added array problems in DSA
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‎dsa/arrays/01-Easy-Problems.md

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| Problem | Difficulty | Solution Link |
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|-----------------------------------------------------------------------------------------------------------------|------------|-----------------------------------------------------------------------------------------------------------------------------|
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| [Largest Element in an Array](https://www.geeksforgeeks.org/c-program-find-largest-element-array/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/largest-element-in-array4009/1) |
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| [Second Largest Element in an Array without sorting](https://www.geeksforgeeks.org/find-second-largest-element-array/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/second-largest3735/1) |
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| [Check if the array is sorted](https://www.geeksforgeeks.org/array-sorted-not-iterative-recursive/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/check-if-an-array-is-sorted0701/1) |
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| [Remove duplicates from Sorted array](https://www.geeksforgeeks.org/remove-duplicates-sorted-array/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/remove-duplicate-elements-from-sorted-array/1) |
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| [Left Rotate an array by one place](https://www.geeksforgeeks.org/array-rotation/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/reversal-algorithm5340/1) |
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| [Left rotate an array by D places](https://www.geeksforgeeks.org/array-rotation/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/rotate-array-by-n-elements/0) |
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| [Move Zeros to end](https://www.geeksforgeeks.org/move-zeroes-end-array/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/move-all-zeroes-to-end-of-array0751/1) |
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| [Linear Search](https://www.geeksforgeeks.org/linear-search/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/searching-a-number0324/1) |
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| [Find the Union](https://www.geeksforgeeks.org/find-union-and-intersection-of-two-unsorted-arrays/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/union-of-two-arrays3538/1) |
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| [Find missing number in an array](https://www.geeksforgeeks.org/find-the-missing-number/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/missing-number-in-array1416/1) |
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| [Maximum Consecutive Ones](https://www.geeksforgeeks.org/maximum-consecutive-ones-or-zeros-in-a-binary-array/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/max-consecutive-ones/1) |
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| [Find the number that appears once, and other numbers twice](https://www.geeksforgeeks.org/find-the-element-that-appears-once-in-a-sorted-array/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/element-appears-once/0) |
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| [Longest subarray with given sum K(positives)](https://www.geeksforgeeks.org/longest-subarray-with-sum-k/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/longest-sub-array-with-sum-k0809/1) |
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| [Longest subarray with sum K (Positives + Negatives)](https://www.geeksforgeeks.org/find-the-largest-subarray-with-0-sum/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/largest-subarray-with-0-sum/1) |

‎dsa/arrays/Medium-Problems.md renamed to ‎dsa/arrays/02-Medium-Problems.md

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‎dsa/arrays/03-Hard-Problems.md

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| Problem | Difficulty | Solution Link |
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|---------------------------------------------------------------------------------------------------------------------------------|------------|-----------------------------------------------------------------------------------------------------------------------------|
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| [Pascal's Triangle](https://www.geeksforgeeks.org/pascal-triangle/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/pascals-triangle/1) |
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| [Majority Element (n/3 times)](https://www.geeksforgeeks.org/n3-repeated-number-array-o1-space/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/majority-element-1587115620/1) |
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| [3-Sum Problem](https://www.geeksforgeeks.org/find-a-triplet-that-sum-to-a-given-value/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/triplet-sum-in-array-1587115621/1) |
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| [4-Sum Problem](https://www.geeksforgeeks.org/4-sum-problem/) | Hard | [Solution](https://practice.geeksforgeeks.org/problems/4-sum-problem/1) |
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| [Largest Subarray with 0 Sum](https://www.geeksforgeeks.org/find-the-largest-subarray-with-0-sum/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/largest-subarray-with-0-sum/1) |
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| [Count number of subarrays with given xor K](https://www.geeksforgeeks.org/count-number-of-subarrays-with-given-xor/) | Hard | [Solution](https://practice.geeksforgeeks.org/problems/count-number-of-subarrays-with-given-xor/1) |
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| [Merge Overlapping Subintervals](https://www.geeksforgeeks.org/merging-intervals/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/merge-intervals/1) |
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| [Merge two sorted arrays without extra space](https://www.geeksforgeeks.org/merge-two-sorted-arrays-o1-extra-space/) | Medium | [Solution](https://practice.geeksforgeeks.org/problems/merge-two-sorted-arrays-1587115620/1) |
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| [Find the repeating and missing number](https://www.geeksforgeeks.org/find-a-repeating-and-a-missing-number/) | Hard | [Solution](https://practice.geeksforgeeks.org/problems/find-missing-and-repeating2512/1) |
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| [Count Inversions](https://www.geeksforgeeks.org/counting-inversions/) | Hard | [Solution](https://practice.geeksforgeeks.org/problems/inversion-of-array-1587115620/1) |
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| [Reverse Pairs](https://www.geeksforgeeks.org/count-reverse-pairs-in-an-array/) | Hard | [Solution](https://practice.geeksforgeeks.org/problems/reverse-pairs/1) |
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| [Maximum Product Subarray](https://www.geeksforgeeks.org/maximum-product-subarray/) | Easy | [Solution](https://practice.geeksforgeeks.org/problems/maximum-product-subarray3604/1) |

‎dsa/arrays/Hard-Problems.md

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