#include "include/TreeNode.h" #include bool in_order(struct TreeNode *root, int target, int sum) { if (!root) return false; if (!root->left && !root->right) return sum + root->val == target; return in_order(root->left, target, sum + root->val) || in_order(root->right, target, sum + root->val); } bool hasPathSum(struct TreeNode *root, int targetSum) { return in_order(root, targetSum, 0); } int main() { return 0; }