C Language Nested Loops Set 24

Get the following output:

E E E E E
D D D D D
C C C C C
B B B B B
A A A A A

code

Get the following output:

A
A B
A B C
A B C D
A B C D E

code

Get the following output:

A B C D E
A B C D
A B C
A B
A

code