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Operations on Datastructures/Union_of_2_arrays.cpp

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+#include <iostream>
+int main()
+{
+   int m,n,i=0,j=0;
+   cout << "Enter size of both arrays:";
+   cin >> m >> n;
+   int a[m];
+   int b[n];
+   cout << "Enter elements of array 1:";
+   for(i=0;i<m;i++)
+    cin >>a[i];
+   cout << "Enter elements of array 2:";
+   for(i=0;i<n;i++)
+    cin >> b[i];
+  i=0;j=0;
+   while((i<m)&&(j<n))
+   {
+     if(a[i]<b[j])
+      cout << a[i++] <<" ";
+     else if(a[i]>b[j])
+      cout << b[j++] <<" ";
+    else
+    {
+      cout << a[i++];
+      j++;
+    }
+   }
+   while(i<m)
+    cout<< a[i++] <<" ";
+   while(j<n)
+    cout<< b[j++]<<" ";
+   return 0;
+}