Int main$()\{$

int $n=3$

for $($ int $i=1$;$in$;$i++)$;

for $($int $j=1$;$jn-i$;$j++)$;

printf$("")$

$\}$

For int $k=1$;$ki$;$k++$

Char $c={?}^{\text{'}}{B}^{\text{'}}+i^{**}2$;

Printf$("\%$c$",$ c$)$

$\}$

Printf$("$

;

$\}$

Return $0$; $\}$

What is final output