Why is it that when i stream a file with getline(), i don't get the last sentence in the file? Is it because of the stream?

Question

An example of the file: (1)little harry went to school.
(2)Then he learned math.
3) it was fun.
Output: only line 1, and 2 are returned, and line 3 is ignored completely.
https://code.sololearn.com/cdGiIRiDrH4y/?ref=app

Answer 1

Okay i inserted the code