Jumbling words in a sentence

[Fran]

Hi, I have a program that can jumble one word while keeping the beginning and end characters. How do I do that to an entire sentence an entire sentence. For example, my program currently prints "Enter a word to jumble" I want it to be enter a sentence to jumble the words while keeping them in the same position? Would probably need an array or vector right?

Here is my code

#include <algorithm>
#include <ctime>
#include <cstdlib>
#include <iostream>
#include <string>

using namespace std;

int main()
{
    srand(time(0));

	string userInput;
    

	cout << "Enter a word to jumble \n";
	cin >> userInput;
	string word = userInput;

    if(word.size() > 3)
    {
       random_shuffle(word.begin() + 1, word.end() - 1);
	   cout << word << '\n';
    }
	
   
	system("pause");
	return 0;
}

[Dy7SLyTq]

take it as a string, then have a vector of strings which you add an element to when you hit a space. then just print it in a for loop

[cire]

Very little testing on the following code, so beware, but hopefully it gets the idear across.

#include <algorithm>
#include <ctime>
#include <cstdlib>
#include <iostream>
#include <string>

using namespace std;

template <typename iter_type>
void jumbleMiddle( iter_type begin, iter_type end )
{
    if ( ++begin < --end )
        random_shuffle(begin, end) ;
}


int main()
{
    srand(time(0));

    string sentence;

    cout << "Enter a sentence to jumble \n";
    std::getline(std::cin, sentence) ;

    const std::string word_delims(" \n\t-\r\f.,'!@#$%^&*()_+{}|\\][=~`\":;?><") ;

    std::string::iterator wordBeg = sentence.begin();

    do{
        // Ensure wordBeg is at the beginning of a word.
        while ( wordBeg != sentence.end() && (word_delims.find(*wordBeg) != std::string::npos) )
            ++wordBeg ;

        auto wordEnd = std::find_first_of(wordBeg, sentence.end(), word_delims.begin(), word_delims.end()) ;
        if ( wordBeg != wordEnd )
        {
            jumbleMiddle(wordBeg,wordEnd) ;
            wordBeg = wordEnd ;
        }
    } while ( wordBeg != sentence.end() ) ;

    std::cout << sentence << '\n' ;
}

Some sample output:

Enter a sentence to jumble
Call me Ishmael. Some years ago--never mind how long precisely--having little or no money in my 
purse, and nothing particular to interest me on shore, I thought I would sail about a little and see 
the watery part of the world.
Call me Ihesmal. Smoe yreas ago--neevr mind how lnog pilcresey--havnig lttile or no menoy in my 
purse, and nntohig pcutilarar to iserntet me on srhoe, I tguhhot I wuold sail auobt a lltite and see 
the wertay prat of the wolrd.

[edit: Fix to avoid calling jumbleMiddle with two iterators to sentence.end(), which avoids incrementing said iterator to sentence.end() and causing undefined behavior.]