Programming in C++, 2nd Edition

754 Working with Strings

Explanation: In the above program, s1 is a string object that is initialized with string “C plus

plus”. The x is a character pointer. The object s1 invokes the function begin() and returns

the starting address of the string s1 to the character pointer x. The contents of x printed are ‘C’;

that is, the first character of the string.

18.10 MORE PROGRAMS

18.26 Write a program to count total number of vowels present in the given string.

#include<iostream>

#include<string>

using namespace std;

int main()

{

string s1;

string s2(“aeiou”);

int i,j,c=0;

cout<<“\n Enter a string:”;

getline(cin,s1);

int l=s1.length();

for (i=0;i<l;i++) ...