Why is this not giving the correct output?

#1

Why is this not giving the correct output?
AND Please check the if the condition that is I think there will be equality sign too in y+1<arr[x].size

#2

@cbcao263
only error is that
you have to return the result vector
after completion of while loop

Modified Code

i hope this help
if you have more doubts regarding this feel free to ask
if your doubt is resolved mark it as resolved from your doubt section inside your course

#3

How I can take the code making perfect for the input. Please help for this one.

#4

this is how to take input for vector of vectors

vector<vector<int> > arr2;
	while(n--)
	{
		vector<int>v;
		for(int i=0;i<m;i++)
		{
			int x;cin>>x;
			v.push_back(x);
		}
        arr2.push_back(v);
	}

Modified Code

you have ask same doubt with same code with same error again DOUBT

you can ask doubts regarding this here
i will help you
Please mark THAT DOUBT as resolved

#5

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