Looking for help for a coding assignment in C++. I would like some help with cod

Question

Looking for help for a coding assignment in C++.




I would like some help with coding a simple program with comments to go along with the code for ease of understanding. I am not looking for anything complex just something as simple as possible in order for me to understand what is going on.


Here is the question:

Looking for a program that counts how often, each word occur in a text file. All while using multiset<string>.

So from reading the question if one where to write a simple sentence it would count how many times each word was used. I would say a minimum of 5 words per sentence to keep it a small code.

Thanks in advance

Explanation / Answer

#include <iostream>

#include <fstream>

#include <string>

#include <set>

using namespace std;

int main ()

{

multiset<string> mymultiset; //multiset to store words

multiset<string>::iterator it; //iterator for multiset

//filestream to open a file for input

ifstream inFile;

inFile.open("input.txt");

//if file not found then program exits from here

if(inFile.fail())

{

cout<<"Cannot open the file input.txt";

system("pause");

exit(0);

}

//reads all words from the file and

//stores them in a multiset

string word;

while(!inFile.eof())

{

inFile>>word;

mymultiset.insert(word);

}

//counting the words in multiset

for (it=mymultiset.begin(); it!=mymultiset.end(); it++)

cout << *it<<" = "<<mymultiset.count(*it)<<endl;

//closing the file

inFile.close();

system("pause");

return 0;

}

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