Find the largest number in a binary tree

Answer Posted / raghuram.a

Well..it's not a binary search tree.So we need to traverse
entire binary tree and check with the all node elements and
find the max value.
struct node
{
int data;
struct node *l;
struct node *r;
};
typedef struct node *nd;
int maximum(nd root)
{
static int max;
nd cur = root;
if(cur!=NULL)
{
if(cur->data>max)
max=cur->data;
maximum(root->l);
maximum(root->r);
}
return max;
}

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