# Count complete odd nodes path of binary tree in typescript Ts program for Count complete odd nodes path of binary tree. Here mentioned other language solution.

``````/*
TypeScript program for
Count odd paths in Binary Tree
*/
// Binary Tree node
class TreeNode
{
public data: number;
public left: TreeNode;
public right: TreeNode;
constructor(data: number)
{
// Set node value
this.data = data;
this.left = null;
this.right = null;
}
}
class BinaryTree
{
public root: TreeNode;
constructor()
{
// Set initial tree root
this.root = null;
}
// Count all paths from root to leaf
// which containing all Odd nodes
public number countOddNodePath(node: TreeNode)
{
if (node == null || node.data % 2 == 0)
{
// When tree node is null or
// its contain even value
return 0;
}
else
{
if (node.left == null && node.right == null)
{
// When get leaf node And
// path contain all Odd nodes
return 1;
}
return this.countOddNodePath(node.left) +
this.countOddNodePath(node.right);
}
}
public static main()
{
// New of binary tree
var tree = new BinaryTree();
/*
Construct Binary Tree
-----------------------
5
/  \
/    \
3      9
/ \    / \
7   6  1   3
/ \    / \
10  3  7   4
*/
tree.root = new TreeNode(5);
tree.root.left = new TreeNode(3);
tree.root.right = new TreeNode(9);
tree.root.right.right = new TreeNode(3);
tree.root.left.right = new TreeNode(6);
tree.root.right.left = new TreeNode(1);
tree.root.left.left = new TreeNode(7);
tree.root.left.left.left = new TreeNode(10);
tree.root.left.left.right = new TreeNode(3);
tree.root.right.left.right = new TreeNode(4);
tree.root.right.left.left = new TreeNode(7);
/*
Given Binary Tree
-----------------------
5
/  \
/    \
3      9
/ \    / \
7   6  1   3
/ \    / \
10  3  7   4
Here
Odd path from root to leaf
-----------------------
5
/  \
/    \
3      9
/      / \
7      1   3
\    /
3  7
---------------------
5->3->7->3
5->9->1->7
5->9->3
----------------------
Result : 3 [number of path]
*/
// Count odd nodes paths from root
// to leaf in a binary tree.
console.log(tree.countOddNodePath(tree.root));
}
}
BinaryTree.main();
/*
file : code.ts
tsc --target es6 code.ts
node code.js
*/``````

Output

``3``

## Comment

Please share your knowledge to improve code and content standard. Also submit your doubts, and test case. We improve by your feedback. We will try to resolve your query as soon as possible.