diff options
Diffstat (limited to 'path_sum.cpp')
-rw-r--r-- | path_sum.cpp | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/path_sum.cpp b/path_sum.cpp deleted file mode 100644 index 41498ca..0000000 --- a/path_sum.cpp +++ /dev/null @@ -1,23 +0,0 @@ -#include "leetcode.h" - -class Solution { -public: - bool hasPathSum(TreeNode *root, int targetSum) { - if (root == NULL) - return false; - stack<pair<TreeNode *, int>> s; - s.push({root, root->val}); - while (!s.empty()) { - TreeNode *curr = s.top().first; - int total = s.top().second; - s.pop(); - if (curr->right) - s.push({curr->right, total + curr->right->val}); - if (curr->left) - s.push({curr->left, total + curr->left->val}); - if (!curr->right && !curr->left && total == targetSum) - return true; - } - return false; - } -}; |