Inside if condition in phone keypad problem

#1

in time 16:30 when if statement is written we do not change j but we do i+1 during recursive call why?

#2

@sushantshukla92 It is simple that is corner case for handlling 0 and 1 digit. if 0 and 1 will come in input string it will skip it and move to next input digit we if do change the j value with i+1 the that number will be skipped. Just try to run it with if still didn’t get it you will understand it better.