INPUT FORMAT delhi jaipur mumbai calcutta OUTPUT FORMAT dehil aijpru abimmu aaclttu
You can use std array and sort function mentioned in https://www.codesdope.com/cpp-stdarray/
#include <iostream>
#include <array>
#include <iterator>
#include <algorithm>//for sort
using namespace std;
int main()
{
array<string, 4> a = {"delhi", "jaipur", "mumbai", "calcutta"};
sort(a.begin(),a.end());
for(auto i = a.begin(); i != a.end(); ++i)
{
cout << *i << endl;
}
return 0;
}