How i solve this code??

Question

A 0
B 3
C 8
D 15
E 24

Answer 1

can be done in 1 loop easily ,
just see the pattern here ...
1) run a loop for column ... int a=1 to n
2) initially character be A & int i=0,b=2*a+1;
3) print character++ + " " + i , then i+=b;

Answer 2

welcome ☺

Answer 3

thanks

Answer 4

I can't solve this code

Answer 5

i don't understand you

Answer 6

I want another explain