Write a program that takes paragraph from the user and prints all unique words in that paragraph in c++

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The idea is to use map in STL to keep track of words already occurred.

// C++ program to print unique words in a string

#include <bits/stdc++.h>

using namespace std;

// Prints unique words in a file

void printUniquedWords(char filename[])

{

    // Open a file stream

    fstream fs(filename);

    // Create a map to store count of all words

    map<string, int> mp;

    // Keep reading words while there are words to read

    string word;

    while (fs >> word)

    {

        // If this is first occurrence of word

        if (!mp.count(word))

            mp.insert(make_pair(word, 1));

        else

            mp[word]++;

    }

    fs.close();

    // Traverse map and print all words whose count

    //is 1

    for (map<string, int> :: iterator p = mp.begin();

         p != mp.end(); p++)

    {

        if (p->second == 1)

            cout << p->first << endl;

    }

}

// Driver program

int main()

{

    // Create a file for testing and write something in it

    char filename[] = "test.txt";

    ofstream fs(filename, ios::trunc);

    fs << "geeks for geeks quiz code geeks practice for qa";

    fs.close();

    printUniquedWords(filename);

    return 0;

}

Output:

code practice qa quiz

Thanks to Utkarsh for suggesting above code.

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Explanation:

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idk i had the answer

solution:

the auto-correct option of the auto-correct tool enables you to add and delete words that do not follow abbreviation rules because:

it is a feature that allows outlook to correct common spelling and typing errors and to replace characters with symbols. we can also can use auto-correct as a shortcut, which means we can type a small string of characters and have those characters replaced by a longer string.