[FIXED]Why this weird C++ error?

general
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1

code-https://pastebin.com/MvCgjV2S
This simple code should take in a string and print the same…i am using getline(cin,s) as the string can contain spaces,but i dont know why,whenever I use getline(cin,s),an extra blank line is getting printed,but when I use cin,it works perfectly fine(although now the string cant have space)…why is this error happening.
I am attaching screenshots for the same.
1)PROOF OF EXTRA BLANK LINE-http://ctrlv.in/976495
2)AFTER REPLACING GETLINE WITH CIN-http://ctrlv.in/976496

2

use getchar() before the while loop

3

Thanks…it worked…any idea why it was not working earlier?..

4

Trailing newline character after “5” is the most probable reason. It will then take string like “\nstring”. But again, i am not 100% sure for this case.

5

The reason is you’ve used cin >> t before using getline. The " >> " operator leaves a newline ‘\n’ character in the input buffer. This may become a problem when you do unformatted input, like getline(), which reads input until a newline character is found. The getline now takes that ‘\n’ which was created by " >> " operator and it is considered as an input. So remember, whenever you use getline after cin, you must use getchar(). getchar() gets this ‘\n’ character.

6

i would say better use cin.ignore() it will work the same

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