Question

c++

I want to flip the string when it's string type.
For example, if it is 'apple', I would like to print 'elppa'.

how can i do?

Answer 1

Solution for the problem is provided below, please comment if any doubts:

There are a number of ways to flip a string in C++, based on your requirements you can use it, a function .reverse() is available under "algorithm" header, you can use pointers, using string iteration, etc. Also you can create a function to perform the job done.

The C++ program that flip a string using a defined function:

//add the header files
#include <iostream>
#include <string>
using namespace std;

//the function to perform the flip of a string
//Take thes string as reffernce to make the strinf flipped
void flipString(string &instr)
{
   //Find the length of the string
    int len = instr.length();

    /*flip the characters using a for loop
   //Flip the characters that are at same distance
   //from begining and end to make the flip
   */
    for (int i = 0; i < len / 2; i++)
   {
       //perform the dwap
        char temp =instr[i];
       instr[i] =instr[len - i - 1];
       instr[len - i - 1] = temp;
   }
}

//the main to check the function
int main()
{
   //test string
    string str = "apple";

   //perform the flip
    flipString(str);

   //output the flipped string
    cout << str<<endl;

    return 0;
}

Output: