public boolean hasPathSum(TreeNode root, int sum) {
if (root == null) {
return false;
}
if (root.left == null && root.right == null) {
return root.val==sum;
}
return hasPathSum(root.left, sum - root.val) || hasPathSum(root.right, sum - root.val);
}
Leetcode112:路径总和
最新推荐文章于 2024-09-19 16:06:18 发布