Day22 q2: Sum of Left Leaves SnowScriptWinterOfCode#464 cpp code adde…

…d by Akansha77
Akansha77 · Jan 25, 2024 · 58e95e1 · 58e95e1
1 parent e7c19ec
commit 58e95e1
Showing 1 changed file with 31 additions and 0 deletions.
diff --git a/Day-22/q2: Sum of Left Leaves/Akansha--C.cpp b/Day-22/q2: Sum of Left Leaves/Akansha--C.cpp
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+/**
+ * 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 {
+     void solve(TreeNode*root,int &sum,int &flag){
+        if(root==NULL)return ;
+        if(root->left==NULL && root->right==NULL &&flag==1){
+            sum+=root->val;
+        }
+        flag=1;
+        solve(root->left,sum,flag);
+        flag=0;
+        solve(root->right,sum,flag);
+
+    }
+public:
+    int sumOfLeftLeaves(TreeNode* root) {
+         int sum=0;
+        int flag=0;
+        solve(root,sum,flag);
+        return sum;
+    }
+};