Which best describes what is output? Assume v is a large vector of ints.

int i;

int s;

s $=$ v$.$at$(0)$;

for $($i $=0$; i $<$ v$.$size$()$; $++$i$)\{$

if $($s $>$ v$.$at$($i$))\{$

s $=$ v$.$at$($i$)$;

$\}$

$\}$

cout $<<$ s;