Comparison of every node`s Minimum Absolute Difference

```
int R_nodes(struct TreeNode *root)
{
if(root->left)
return R_nodes(root->left);
else
return root->val;
}
int L_nodes(struct TreeNode *root)
{
if(root->right)
return L_nodes(root->right);
else
return root->val;
}
int getMinimumDifference(struct TreeNode* root) {
int R_min_diff = INT_MAX , L_min_diff =INT_MAX ;
if(root->left)
{
L_min_diff = abs( root->val - L_nodes(root->left));
int LF = getMinimumDifference(root->left) ;
if(L_min_diff > LF )
L_min_diff = LF;
}
if(root->right)
{
R_min_diff = abs( root->val - R_nodes(root->right));
int RF = getMinimumDifference(root->right);
if( R_min_diff > RF)
R_min_diff = RF;
}
return R_min_diff<L_min_diff?R_min_diff:L_min_diff;
}
```