why does the following code not work when inputing $1$ into the first line? #include

#include

int main$()\{$

int sets $=0$;

float po$,$ hc$,$ sg $=0$;

int lowestSpec;

int cnter $=0$;

int counter $=0$;

int newArray$[$sets$][4]$;

float flowRate;

printf$("$Enter the number of limestones to compare:"$)$;

scanf$("\%$d$",$ &sets$)$;

int multiples$[$sets$][3]$;

lowestSpec$=10000$;

for $($int i $=0$; i $<$ sets; i$++)\{$

counter$++$;

cnter$++$;

printf$("$Enter the Information, $\%$d :$",$ cnter$)$;

scanf$("\%$d$",$ &multiples$[$i$][0])$;

scanf$("\%$d$",$ &multiples$[$i$][1])$;

scanf$("\%$d$",$ &multiples$[$i$][2])$;

$\}$

for $($int i $=0$; i $<$ sets; i$++)\{$

if $($multiples$[$i$][2]<$ lowestSpec$)\{$

printf$("\%$d$",$ multiples$[$i$][2])$;

lowestSpec $=$ multiples$[$i$][2]$;

$\}$

$\}$;

printf$("$The lowest specific gravity is$,\%$d$",$ lowestSpec$)$;

for $($int i $=0$; i $<$ sets; i$++)\{$

for $($int j $=0$; j $<3$; j$++)\{$

newArray$[$i$][$j$]=$ multiples$[$i$][$j$]$;

$\}$

$\}$

for $($int i $=0$; i $<$ sets; i$++)\{$

flowRate $=$ newArray$[$i$][1]*(-900)$;

newArray$[$i$][3]=$ flowRate;

$\}$;

printf$("\%$d$",$ newArray$[1][3])$;

$\}$