Problems
After receiving the height N of a triangle,
write a program that prints a triangle shape by filling characters starting from ‘A’
in order, beginning from the middle row on the right side as shown below.
<Processing Conditions>
(1) Place the character ‘A’ in the middle row on the right side,
then move to the column on the left and fill from top to bottom.
(2) Repeat this process for each column until reaching the leftmost column.
(After ‘Z’, start again from ‘A’.)
Input
Receive the height N of the triangle (
Output
Print the character triangle of height N in the given format.
Separate the characters with one space.
If the input is out of range, print "INPUT ERROR".
Example
5
E
F B
G C A
H D
I
Tag
Source
JUNGOL
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