Medium-Problems

Problem	Difficulty	Solution Link
2Sum Problem	Medium	Solution
Sort an array of 0's 1's and 2's	Medium	Solution
Find the Union	Medium	Solution
Print subarray with maximum subarray sum (extended version of above problem)	Medium	Solution
Find the number that appears once, and other numbers twice	Medium	Solution
Rearrange the array in alternating positive and negative items	Medium	Solution
Next Permutation	Medium	Solution
Longest subarray with given sum K(positives)	Medium	Solution
Longest subarray with sum K (Positives + Negatives)	Medium	Solution
Longest Consecutive Sequence in an Array	Medium	Solution
Set Matrix Zeros	Medium	Solution
Rotate Matrix by 90 degrees	Medium	Solution
Print the matrix in spiral manner	Medium	Solution
Pascal's Triangle	Medium	Solution
Majority Element (n/3 times)	Medium	Solution
3-Sum Problem	Medium	Solution
Largest Subarray with 0 Sum	Medium	Solution
Merge Overlapping Subintervals	Medium	Solution
Merge two sorted arrays without extra space	Medium	Solution