Question

C++

PART B: (STRING) – 40%

Program Description:

Write a word search program that searches an input data file for a word specified by the user. The program should display the number of times the word appears  in the input data file.  

In addition, the program should read and display each word with the count of vowels in each word.  For example :

The 1

Friend 2

Wrote 2

Write functions to process and display the results.

No non-constant global variables should be used.

Test your program using the file provided “paragraph.dat”.

Answer 1

CODE:

#include <iostream>
#include <fstream>

using namespace std;

//counting no. of vowels
int vowelsCount(string s){
    int count=0;
  
    //iterating each character of string
    for(int i=0;i<s.length();i++){
        //converting char to lower case
        s[i] = tolower(s[i]);
        //increment count if char is vowel
        if(s[i]=='a' || s[i]=='e' || s[i]=='i'|| s[i]=='o'|| s[i]=='u'){
            count++;
        }
    }
  
    //printing the count
    return count;
}

int main()
{
    //creating file object
    ifstream inFile;
  
    //opening file
    inFile.open("paragraph.dat");
  
    //if file not opened
     if (!inFile) {
        cout << "Unable to open file";
        exit(1); // terminate with error
    }
  
    //reading word
    string word;
    cout<<"Enter word: ";
    cin>>word;
  
    string s;
  
    //reading files contents
    int count=0;
    while (inFile >> s) {
        if(s == word){
            count++;
        }
        //printing words with given no of vowels
        cout<<s<<" "<<vowelsCount(s)<<endl;
    }
    //printing word frequency
    cout<<word<<" is present in paragraph.dat "<<count<<" times";
  
    //closing file
    inFile.close();
  
    return 0;
}
SCREENSHOT:

OUTPUT:

FILE