469. Same Tree
Check if two binary trees are identical. Identical means the two binary trees have the same structure and every identical position has the same value.
Example
Example 1:
Input:{1,2,2,4},{1,2,2,4}
Output:true
Explanation:
1 1
/ /
2 2 and 2 2
/ /
4 4
are identical.
Example 2:
Input:{1,2,3,4},{1,2,3,#,4}
Output:false
Explanation:
1 1
/ /
2 3 and 2 3
/
4 4
are not identical.