Escape Sequences in c++

#include <cstdio>
#include <iostream>

int main()
{
    // escape sequence covered - \' \" \? \\ \0 \a \b \n \r \t
    printf("\n 1. sandeep \t dheeraj\n");

    printf("\n 2. sandeep \v dheeraj\n");
 

    printf("\n 3. sandeep \r dheeraj\n");
 

    printf("\n 4. sandeep \a\a\a dheeraj\n");
 

    printf("\n 5. sandeep\b dhe\0eraj extra\n");
 

    printf("\n 6. \'sandeep\' \\ \n");  // used \' \" \\
 

    printf("\n 7. Ram? \n");
 

    printf("\n 8. Ram\? \n");    //why we use \? this escape sequence
 

    printf("\n 9. \"dheeraj\" \n");
}

OUTPUT:

For further detail click here.