Merge pull request #7 from jainsras/jainsras

added Median_of_two_sorted_arrays.cpp

Author: Ashish-kumar7

Median_of_two_sorted_arrays.cpp

@@ -0,0 +1,42 @@
+class Solution {
+public:
+    double find(vector<int>& nums1, vector<int>& nums2)
+    {
+           int n = nums1.size(),m = nums2.size();
+     
+        int l = 0,h = n;
+        while(l<=h)
+        {
+            int part1= (l+h)/2;
+            int part2=(n+m+1)/2 - part1;
+            
+            int l1=(part1==0)? INT_MIN: nums1[part1-1];
+            int r1= (part1==n)? INT_MAX: nums1[part1];
+            int l2=(part2==0)? INT_MIN: nums2[part2-1];
+            int r2= (part2==m)? INT_MAX: nums2[part2];
+            
+            if(l1<=r2 && l2<=r1)
+            {
+                if((n+m)%2)
+                    return (double)max(l1,l2);
+                else
+                {
+                    return (double)(max(l1,l2)+ min(r1,r2))/2.0;
+                }
+            }
+            
+            else if(l1>r2)
+                h=part1-1;
+            else
+                l=part1+1;
+        }
+        return 0;
+    }
+    double findMedianSortedArrays(vector<int>& nums1, vector<int>& nums2) {
+        int n=nums1.size(),m=nums2.size();
+        if(n>m)return find(nums2,nums1);
+        else return find(nums1,nums2);
+        
+    }
+    
+};