Segment Tree basic recursion doubt

[codeku (Mehul Jain)]

Why are we returning in every case? For example while building min segment tree

if(s<e)
return;

if(s==e)
{

tree[index]= a[s];

return; // why is this done?

}

[aman212yadav (Aman Yadav)]

@codeku
hello mehul,
we are returning because that is the base case.

[codeku (Mehul Jain)]

Got it, thank you