Problems in getline() function...

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i was tried to count how many times i need click buttons to write a message in a mobile...getline() function is not working for the first time it takes nothing and second time it takes input...the output format should be:

C#

Case #1: 29
Case #2: 41

but my output is showing :

C#

Case #1: 0

C#

Case #2: 29

for the same input:

HTML

2
welcome to ulab
good luck and have fu

my code:

What I have tried:

#include <iostream>
#include
using namespace std;

int main()
{
   int n;
   while(cin>>n)
   {
       for(int j=1;j<=n;j++)
       {
           string s;
           getline(cin,s);
           int len=0,count=0;
           for(int i=0;s[i]!='\0';i++)
            len++;
           for(int i=0;i<len;i++)>
           {
               //cout<<s[i]<<" ";
               if(s[i]=='a'||s[i]=='d'||s[i]=='g'||s[i]=='j'||s[i]=='m'||s[i]=='p'||s[i]=='t'||s[i]=='w'||s[i]==' ')
                count++;
               else if(s[i]=='b'||s[i]=='e'||s[i]=='h'||s[i]=='k'||s[i]=='n'||s[i]=='q'||s[i]=='u'||s[i]=='x')
                count+=2;
                else if(s[i]=='c'||s[i]=='f'||s[i]=='i'||s[i]=='l'||s[i]=='o'||s[i]=='r'||s[i]=='v'||s[i]=='y')
                    count+=3;
                else if(s[i]=='z'||s[i]=='s')
                    count+=4;


           }
           cout<<"Case #"<<j<<": "<<count<<endl;
       }
   }



    //cout << "Hello world!" << endl;
    return 0;
}

Posted 29-Apr-16 3:27am

Member 12270086

Updated 29-Apr-16 5:06am

jeron1

v2

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Richard MacCutchan · Accepted Answer · 2016-04-29T05:06:00

Your first call to getline, will be consuming the <CR> character at the end of your number, so your string variable will be an empty string. You should call getline to clear the input. You also should not use that for loop top get the length of the input string, since you can either get it by s.length(), or use an iterator on the string. The simplest way to get your code working would be to modify the beginning as follows:

C++

   string s;
   while(cin>>n)
   {
       getline(cin,s); // consume the CR character
       for(int j = 1; j <= n; j++)
       {
           getline(cin, s);
           int count = 0;
           int len=s.length();
...