getline() a string giving difficulty

Question

i am doing a task where i am inputting ist no of times you want to have input and then i am inputting a full line by the use of getline but sime how i am not able to do that

Answer 1

You are mixing formatted input and unformatted input functions.

operator>> leaves the trailing newline after the number you extracted in the input buffer, but this isn't a problem for subsequent reads done with operator>> because it skips all the whitespace it finds before reading. On the other hand, getline reads until it finds the delimiter (\n by default) without skipping anything.

Long story short: if you want to use getline you have to clean the buffer from the \n after your cin>>test;:

#include <limits>
// ...

cin>>test;
cin.ignore(numeric_limits<streamsize>::max(), '\n');

Answer 2

I believe your problem is you are giving input stream as a parameter where you should give buffer. Try this.

{  
    char szInput[256];  
    cin.getline( szInput,256);  
    len = strlen(szInput);  
    cout<<len;  
}

Answer 3

for(j=1;j<=test;j++)     
{          
getline( cin,s);         
len = s.length();         
cout<<len;      
} 

This is reading in the int and the string with the one carridge return.

It reads 1 as the total and then nothing as the string (hence the length of 0). Try 1TEST and this should give you a length of 4.