diff --git a/Count Complete Tree Nodes b/Count Complete Tree Nodes
new file mode 100644
index 0000000..41442c2
--- /dev/null
+++ b/Count Complete Tree Nodes	
@@ -0,0 +1,20 @@
+class Solution {
+public:
+    int countNodes(TreeNode* root) {
+             queue<TreeNode*>q;
+        int ans=0;
+        if(root==NULL) return 0;
+        q.push(root);
+        while(!q.empty()){
+            int n=q.size();
+            for(int i=0;i<n;i++){
+                TreeNode* temp=q.front();
+                ans++;
+                q.pop();
+                if(temp->left!=NULL) q.push(temp->left);
+                if(temp->right!=NULL) q.push(temp->right);
+            }
+        }
+        return ans;
+    }
+};