Complete the code. There are $3$ functions that need to be modified to output the desired result. Fill the columns first with random $1$ digit values, then fill the data array with random $1$ digit values.

$//$Create this function

TriMatx $*$fillMat$($int rows$)\{$

TriMatx $*$triMt$=$new TriMatx;

triMt$->$size$=0$;

triMt$->$col$=0$;

triMt$->$indx$=0$;

triMt$->$data$=0$;

return triMt;

$\}$

$//$Create this function

void prntAry$($TriMatx $*$triMt$)\{$

$\}$

$//$Create this function

void mrkSort$($TriMatx $*$triMt$)\{$

$\}$