Write a C++ program that erase the nonalphabetical string from the vector.Ask us

Question

Write a C++ program that erase the nonalphabetical string from the vector.Ask user to enter 3 string.
Example: string is: Apple,Cat,Ship,Bat,Car,Cry

Use push_back to add that in vector.

UserInput(How many char word want): 3
then delete Apple,Ship from the vector 
Loop until user find correct word
UserInput(Guess a character from the word):r
Display:Word found: _ _ _
then delete the word of lenght 3 that has r in it
UserInput(Guess a character from the word):a
Display:Word found: _ a _
Now all the remaining word of lenght 3 has character a at same place

UserInput(Guess a character from the word):t
remove all the remaining word that has character t (cat, bat)
Display:Word found: _ a _

UserInput(Guess a character from the word):r
Display:Word found: _ a r

UserInput(Guess a character from the word):c
Display:Word found: c a r
Congratulations you win!!

Explanation / Answer

#include <iostream>

#include <string>

#include <ctype.h>

#include <vector>

#include <algorithm>

using namespace std;

int main() {

//declaring vector of string type

vector <string> words;

//declaring 3 strings

string first, second, third;

//take input from user

cout<<" Enter 3 strings"<<endl;

getline(cin, first);

getline(cin, second);

getline(cin, third);

//push the strings in the vector

words.push_back(first);

words.push_back(second);

words.push_back(third);

int indexes[3];

//erase non alphabetical strings from the vector

// non alphabetical strings are those which contains letters other than alphabets

// traverse through each string in the vector

for(int i = 0; i < words.size() ; i++)

{

int flag = 0;

//traverse through each letter in individual string

for(char c : words[i])

{

if(!isalpha(c)){

//storing the indexes of strings to be deleted

indexes[i] = 1;

break;

}

}

}

//delete all the strings at stored indexes

for(int j = 0; j< 3; j++){

if(indexes[j] == 1){

auto index = std::find(begin(words), end(words), words[j]);

words.erase(index);

}

}

//display

cout<<" String after erasing";

for(int i=0; i<words.size() ; i++){

cout<<" "<<words[i];

}

return 0;

}

output

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