-
Data Structure
-
- Find the Sum of All Elements in an Array
- Find the Maximum Element in an Array
- Find the Minimum Element in an Array
- Count Even and Odd Numbers in an Array
- Search an Element in an Array (Linear Search)
- Copy One Array into Another
- Reverse an Array
- Print Alternate Elements of an Array
- Find the Length of an Array
- Check if an Array is Sorted
- Find the First Element of an Array
- Find the Last Element of an Array
- Count the Number of Positive and Negative Elements in an Array
- Replace All Elements with Zero in an Array
- Sum of Elements at Even Indices
- Sum of Elements at Odd Indices
- Find the Average of Array Elements
- Count the Number of Zeros in an Array
- Remove Duplicate Elements from an Array
- Move All Zeros to the End of an Array
- Rotate an Array by K Positions
- Rotate an Array by One Position
- Check if Two Arrays Are Equal
- Merge Two Sorted Arrays
- Find Missing Number in an Array
- Find Duplicate Elements in an Array
- Count Frequency of Each Element
- Find the Majority Element in an Array
- Find All Unique Elements in an Array
- Insert an Element at a Given Position in an Array
- Delete an Element from a Given Position in an Array
- Find the Index of an Element in an Array
- Find Union of Two Arrays
- Find Intersection of Two Arrays
- Sort an Array of 0s and 1s
- Find the Largest Sum Contiguous Subarray (Kadane’s Algorithm – Intro)
- Kadane’s Algorithm (Maximum Subarray Sum)
- Two Sum Problem
- Subarray with Given Sum
- Longest Subarray with Sum K
- Rearrange Array Alternately (Max–Min)
- Leaders in an Array
- Equilibrium Index of an Array
- Stock Buy and Sell (Single Transaction)
- Stock Buy and Sell (Multiple Transactions)
- Sort an Array of 0s, 1s, and 2s
- Find the Majority Element (Moore’s Voting Algorithm)
- Find All Pairs with Given Sum
- Longest Consecutive Sequence
- Product of Array Except Self
- Maximum Product Subarray
- Find the First Missing Positive Integer
- Count Inversions in an Array
- Rearrange Array by Sign (Positive and Negative)
- Check if Array Can Be Divided into Equal Sum Subarrays
- Trapping Rain Water
- Find Minimum in Rotated Sorted Array
- Search in Rotated Sorted Array
- Median of Two Sorted Arrays
- Merge Intervals
- Count Reverse Pairs
- Longest Subarray with Equal 0s and 1s
- Largest Rectangle in Histogram
- Maximum Sum Rectangle in 2D Matrix
- Subarray Sum Equals K
- Count Distinct Elements in Every Window
- Sliding Window Maximum
- Find K Maximum Elements
- Minimum Number of Jumps to Reach End
- Chocolate Distribution Problem
- Find All Triplets With Zero Sum (3Sum)
- Kth Smallest Element in an Array
- Maximum Length Bitonic Subarray
- Find the Second Smallest Element in an Array
- Find the Second Largest Element in an Array
-
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
