2009 may june exam

To every thats been going thru the pass papers can u plz help me out with question 4c, 5b and 6b. lets share solutions Im willing to post my solution thus far

#include <iostream>
#include <string>
using namespace std;

string ChangeSentence(string senP)
{
string word = senP;
int position;
position = word.find("he";
word.replace(position, word.find("he", "theo";


return word;
}
int main( )
{
string sen;
cout <<"Type in a sentence : " << endl;
getline(cin, sen, '\n';
sen = ChangeSentence(sen);
cout <<" Changed sentence : " << endl;
cout << sen << endl;
system("pause";
return 0;
}

Section B

Question 1.

switch (customerType)
{
case 'S':
discount = amount * 10/100;
break;
case 'D':
discount = amount * 12/100;
break;
case 'P':
discount = amount * 15/100;
break;
case 'O':
if (amount >= 200)
discount = amount * 10/100;
else
discount = 0;
break;
}
finalAmount = amount - discount;
cout << " The final amount after discount is " << finalAmount << endl;

At last am in,"Prince",i have been on da looking class 4 so long