I have a program that creates Pascal's triangle, but I'm not too sure what the Pascal function does. Would anyone be able toexplain the first half of the function?

Project Run Window Help C) square.cpp d lab430.cpp le TriTwo.cpp le TriThree.cpp shooting.cp1 2// Name : Shooting.cpp 9?include 10 using namespace std; 1l void Pascal (int rows) t 12 for (inti-0 ;??rows ;i++){ 13 14 15 16 17 18 19 20 21 int val-1: for (int j=1; j?(rows-1); j++){ cout">=i;>