Left View
Problem
A tree is constructed in the same fashion as in question 3. Find out the left view of the tree. Left view of a level is the leftmost node at that level.
Input format and constraints are similar to the question 3.
Output format:
In a single line print the left view of the tree from level one to last.
Time Limit: 5
Memory Limit: 256
Source Limit:
Explanation
Constructed Tree:
1
\
4
/ \
4 5
\
6
Left View:
1 4 4 6
