Match the following nest loops with their corresponding stride

Question $6$ options:

$1$

N

$1.$

int sum$\_$array$\_$rows$($int a$[$N$][$M$])\{$

int i$,$ j$,$ sum $=0$;

for $($i $=0$; i $<$ N; i$++)$

for $($j $=0$; j $<$ M; j$++)$

sum $+=$ a$[$i$][$j$]$;

return sum;

$\}$

$2.$

int sum$\_$array$\_$rows$($int a$[$N$][$M$])\{$

int i$,$ j$,$ sum $=0$;

for $($j $=0$; j $<$ M; j$++)$

for $($i $=0$; i $<$ N; i$++)$

sum $+=$ a$[$i$][$j$]$;

return sum;

$\}$