Could you please explain why we are incrementing i again and again in line 29 and 31..just this confusion

#1

question:

https://practice.geeksforgeeks.org/problems/print-first-letter-of-every-word-in-the-string3632/1/?category[]=Strings&problemStatus=unsolved&difficulty[]=-1&page=1&query=category[]StringsproblemStatusunsolveddifficulty[]-1page1

answer:

#2

Hey @aarijrab
You can do this in one i++ also

Here see this

class Solution{
public:	
	
	string firstAlphabet(string S)
	{
	    // Your code goes here
	    string str="";
	    if(S[0]!=' ') 
	    str+=S[0];
	    
	    int i=1;
	    while(i<S.length())
	    {
	        if(S[i]==' ')
	        {
	            if(i+1<S.length())
	            {
	                str+=S[i+1];
	                // i++;(we can do this because we know that next char cant be first letter again so you can say its lil bit of optimization)
	            }
	            // i++; (removed from here because in else too we are doing i++
	        }
	        // else  (removed else because we want to do i++ in both anyway)
	        i++;
	    }
	    return str;
	}
};
#3

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