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GeezerVison is showing github.com — Algorithm/leetcode_solved/leetcode_0100_Same_Tree.java at master · OneCodeMonkey/Algorithm Expand file tree/ Copy pathleetcode_0100_Same_Tree.javaMore file actions 19 lines (19 loc) · 536 Bytes / Copy pathleetcode_0100_Same_Tree.javaFile metadata and controls19 lines (19 loc) · 536 Bytes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 // Runtime 0 ms Beats 100.00% of users with Java // Memory 36.22 MB Beats 100.00% of users with Java // Recursion. // T:O(n), S:O(1) // class Solution { public boolean isSameTree(TreeNode p, TreeNode q) { if (p == null && q == null) { return true; } if ((p != null && q == null) || (p == null && q != null)) { return false; } if (p.val != q.val) { return false; } return isSameTree(p.left, q.left) && isSameTree(p.right, q.right); } } |
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