From 633b16bbe30e064af73944476d108cd6d904fde7 Mon Sep 17 00:00:00 2001
From: Yash Goyal <63150203+yash-goyal8@users.noreply.github.com>
Date: Fri, 2 Oct 2020 19:49:45 +0530
Subject: [PATCH] Create 513 Find_Bottom_left_Tree_value.cpp

solution to the leetcode problem (513) in cpp
---
 513 Find_Bottom_left_Tree_value.cpp | 36 +++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 513 Find_Bottom_left_Tree_value.cpp

diff --git a/513 Find_Bottom_left_Tree_value.cpp b/513 Find_Bottom_left_Tree_value.cpp
new file mode 100644
index 0000000..4ac57bb
--- /dev/null
+++ b/513 Find_Bottom_left_Tree_value.cpp	
@@ -0,0 +1,36 @@
+/**
+ * Definition for a binary tree node.
+ * struct TreeNode {
+ *     int val;
+ *     TreeNode *left;
+ *     TreeNode *right;
+ *     TreeNode() : val(0), left(nullptr), right(nullptr) {}
+ *     TreeNode(int x) : val(x), left(nullptr), right(nullptr) {}
+ *     TreeNode(int x, TreeNode *left, TreeNode *right) : val(x), left(left), right(right) {}
+ * };
+ */
+class Solution {
+public:
+    int findBottomLeftValue(TreeNode* root) {
+        queue<TreeNode*> que;
+        que.push(root);
+        vector<vector<int>> res;
+        while(!que.empty()){
+            int size = que.size();
+            vector<int> row;
+            for(int i=0;i<size;i++){
+                TreeNode *front = que.front();
+                que.pop();
+                row.push_back(front->val);
+                if(front->left!=NULL){
+                    que.push(front->left);
+                }
+                if(front->right!=NULL){
+                    que.push(front->right);
+                }
+            }
+            res.push_back(row);
+        }
+        return res[res.size()-1][0];
+    }
+};