it is a simple question and can be done by this method
class Solution {
public:
double findMedianSortedArrays(vector<int>& nums1, vector<int>& nums2) {
int n = nums1.size() + nums2.size();
int m = n/2;
int newA[2000];
int i =0;
int n1 = 0;
int n2 = 0;
while(n1<nums1.size() && n2 < nums2.size() && i<=m){
if(nums1[n1] < nums2[n2])
newA[i++] = nums1[n1++];
else
newA[i++ ] = nums2[n2++];
}
while(n1<nums1.size() && i<=m){
newA[i++] = nums1[n1++];
}
while(n2<nums2.size() && i<=m){
newA[i++] = nums2[n2++];
}
if(n%2 != 0){
return newA[m];
}
return ((newA[m-1]+newA[m])*1.0)/2;
}
};