A signal is defined by$,$

Which is the value of the composite signal defined as $?$

$0$ for all integer values of $$

$-1$ for all integer values of

$1$ for all integer values of

$2$ for all integer values of

v$[$n$]$

v$[$n$]=1$; n $=1$

v$[$n$]=1$; n $=1$

v$[$n$]=0$; n $=0$ and$|$n$|>1$

v$[$n$]+$ v