Here is my C$++$ code, one thing i do not know is that how to get the number of times duplicate repeated itself$($Without vectors or unordered map$)$ Example i want to output to look like this:

Rows:

$3$ Columns: $4$

Lets populate arrays:

$3757$

$5729$

$6421$

Thank you, $7$ repeats $3$ times, $2$ repeats $2$ times, $5$ repeats $2$ times.