Initial commit

This commit is contained in:
Arkaprabha Chakraborty
2022-07-26 16:15:18 +05:30
commit cef4c4dcc4
65 changed files with 1806 additions and 0 deletions

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@@ -0,0 +1,23 @@
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:
bool hasPathSum(TreeNode *root, int targetSum) {
if (root == nullptr) {
return false;
} else if (root->left == nullptr && root->right == nullptr) {
return targetSum == root->val;
} else {
return hasPathSum(root->left, targetSum - root->val) ||
hasPathSum(root->right, targetSum - root->val);
}
}
};