public class Main
{
public static int fact(int n) { // void -> int (My Mistake)-01
if(n == 0 || n == 1) {
return 1;
}
// recursion
return n * fact(n-1);
}
public static void main(String[] args) {
System.out.println(fact(5));
}
}
class Solution { public List < List < Integer >> threeSum ( int [] nums ) { Arrays . sort (nums); // first sort...
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