C++ program to count number of words and number of words starting in A in a text file

#include<iostream>
#include<fstream>
#include<string.h>
using namespace std;
int main()
{
char chprev,ch;
int wordcount=0,wordcountA=0;
fstream file;
file.open(“student.txt”,ios::in|ios::out);
file.seekg(0);
chprev=' ';
while(file)
{
file.get(ch);
if(ch=='A'  && chprev==' ')
{
wordcountA++;
}
if(ch!=' ' && chprev==' ')
{
wordcount++;
}
chprev=ch;
}
cout<<”Number of words: “ <<wordcount<<endl;
cout<<”Number of words start with A”<<wordcountA<<endl;
return 0;
}